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Use teltonika uboot for RUTX
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54
6.1/package/boot/uboot-ipq40xx/src/arch/mips/config.mk
Normal file
54
6.1/package/boot/uboot-ipq40xx/src/arch/mips/config.mk
Normal file
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@ -0,0 +1,54 @@
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#
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# (C) Copyright 2003
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# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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#
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# See file CREDITS for list of people who contributed to this
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||||
# project.
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||||
#
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||||
# This program is free software; you can redistribute it and/or
|
||||
# modify it under the terms of the GNU General Public License as
|
||||
# published by the Free Software Foundation; either version 2 of
|
||||
# the License, or (at your option) any later version.
|
||||
#
|
||||
# This program is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with this program; if not, write to the Free Software
|
||||
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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# MA 02111-1307 USA
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#
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CROSS_COMPILE ?= mips_4KC-
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CONFIG_STANDALONE_LOAD_ADDR ?= 0x80200000 -T mips.lds
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PLATFORM_CPPFLAGS += -DCONFIG_MIPS -D__MIPS__
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#
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# From Linux arch/mips/Makefile
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#
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# GCC uses -G 0 -mabicalls -fpic as default. We don't want PIC in the kernel
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# code since it only slows down the whole thing. At some point we might make
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# use of global pointer optimizations but their use of $28 conflicts with
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# the current pointer optimization.
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#
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# The DECStation requires an ECOFF kernel for remote booting, other MIPS
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# machines may also. Since BFD is incredibly buggy with respect to
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# crossformat linking we rely on the elf2ecoff tool for format conversion.
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#
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# cflags-y += -G 0 -mno-abicalls -fno-pic -pipe
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# cflags-y += -msoft-float
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# LDFLAGS_vmlinux += -G 0 -static -n -nostdlib
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# MODFLAGS += -mlong-calls
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#
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# On the other hand, we want PIC in the U-Boot code to relocate it from ROM
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# to RAM. $28 is always used as gp.
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#
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PLATFORM_CPPFLAGS += -G 0 -mabicalls -fpic
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PLATFORM_CPPFLAGS += -msoft-float
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PLATFORM_LDFLAGS += -G 0 -static -n -nostdlib
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PLATFORM_RELFLAGS += -ffunction-sections -fdata-sections
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LDFLAGS_FINAL += --gc-sections
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@ -0,0 +1,48 @@
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#
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# (C) Copyright 2003-2006
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# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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#
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# See file CREDITS for list of people who contributed to this
|
||||
# project.
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||||
#
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||||
# This program is free software; you can redistribute it and/or
|
||||
# modify it under the terms of the GNU General Public License as
|
||||
# published by the Free Software Foundation; either version 2 of
|
||||
# the License, or (at your option) any later version.
|
||||
#
|
||||
# This program is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with this program; if not, write to the Free Software
|
||||
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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# MA 02111-1307 USA
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#
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include $(TOPDIR)/config.mk
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LIB = $(obj)lib$(CPU).o
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START = start.o
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SOBJS-y = cache.o
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COBJS-y = cpu.o interrupts.o time.o
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SRCS := $(START:.o=.S) $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
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OBJS := $(addprefix $(obj),$(SOBJS-y) $(COBJS-y))
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START := $(addprefix $(obj),$(START))
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all: $(obj).depend $(START) $(LIB)
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$(LIB): $(OBJS)
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$(call cmd_link_o_target, $(OBJS))
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#########################################################################
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# defines $(obj).depend target
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include $(SRCTREE)/rules.mk
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sinclude $(obj).depend
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#########################################################################
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@ -0,0 +1,45 @@
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#
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# (C) Copyright 2011
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# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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#
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# See file CREDITS for list of people who contributed to this
|
||||
# project.
|
||||
#
|
||||
# This program is free software; you can redistribute it and/or
|
||||
# modify it under the terms of the GNU General Public License as
|
||||
# published by the Free Software Foundation; either version 2 of
|
||||
# the License, or (at your option) any later version.
|
||||
#
|
||||
# This program is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with this program; if not, write to the Free Software
|
||||
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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# MA 02111-1307 USA
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#
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include $(TOPDIR)/config.mk
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LIB = $(obj)lib$(SOC).o
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COBJS = au1x00_eth.o au1x00_serial.o au1x00_usb_ohci.o
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SRCS := $(COBJS:.o=.c)
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OBJS := $(addprefix $(obj),$(COBJS))
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all: $(obj).depend $(LIB)
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$(LIB): $(OBJS)
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$(call cmd_link_o_target, $(OBJS))
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#########################################################################
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# defines $(obj).depend target
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include $(SRCTREE)/rules.mk
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sinclude $(obj).depend
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#########################################################################
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@ -0,0 +1,312 @@
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/* Only eth0 supported for now
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*
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* (C) Copyright 2003
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* Thomas.Lange@corelatus.se
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*
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* See file CREDITS for list of people who contributed to this
|
||||
* project.
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||||
*
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||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License as
|
||||
* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
* MA 02111-1307 USA
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*/
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#include <config.h>
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#if defined(CONFIG_SYS_DISCOVER_PHY)
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#error "PHY not supported yet"
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/* We just assume that we are running 100FD for now */
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/* We all use switches, right? ;-) */
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#endif
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/* I assume ethernet behaves like au1000 */
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#ifdef CONFIG_SOC_AU1000
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/* Base address differ between cpu:s */
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#define ETH0_BASE AU1000_ETH0_BASE
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#define MAC0_ENABLE AU1000_MAC0_ENABLE
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#else
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#ifdef CONFIG_SOC_AU1100
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#define ETH0_BASE AU1100_ETH0_BASE
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#define MAC0_ENABLE AU1100_MAC0_ENABLE
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#else
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#ifdef CONFIG_SOC_AU1500
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#define ETH0_BASE AU1500_ETH0_BASE
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#define MAC0_ENABLE AU1500_MAC0_ENABLE
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#else
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#ifdef CONFIG_SOC_AU1550
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#define ETH0_BASE AU1550_ETH0_BASE
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#define MAC0_ENABLE AU1550_MAC0_ENABLE
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#else
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#error "No valid cpu set"
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#endif
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#endif
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#endif
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#endif
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#include <common.h>
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#include <malloc.h>
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#include <net.h>
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#include <command.h>
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#include <asm/io.h>
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#include <asm/au1x00.h>
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#if defined(CONFIG_CMD_MII)
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#include <miiphy.h>
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#endif
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/* Ethernet Transmit and Receive Buffers */
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#define DBUF_LENGTH 1520
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#define PKT_MAXBUF_SIZE 1518
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static char txbuf[DBUF_LENGTH];
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static int next_tx;
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static int next_rx;
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/* 4 rx and 4 tx fifos */
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#define NO_OF_FIFOS 4
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typedef struct{
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u32 status;
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u32 addr;
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u32 len; /* Only used for tx */
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u32 not_used;
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} mac_fifo_t;
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mac_fifo_t mac_fifo[NO_OF_FIFOS];
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#define MAX_WAIT 1000
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#if defined(CONFIG_CMD_MII)
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int au1x00_miiphy_read(const char *devname, unsigned char addr,
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unsigned char reg, unsigned short * value)
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{
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volatile u32 *mii_control_reg = (volatile u32*)(ETH0_BASE+MAC_MII_CNTRL);
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volatile u32 *mii_data_reg = (volatile u32*)(ETH0_BASE+MAC_MII_DATA);
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u32 mii_control;
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unsigned int timedout = 20;
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while (*mii_control_reg & MAC_MII_BUSY) {
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udelay(1000);
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if (--timedout == 0) {
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printf("au1x00_eth: miiphy_read busy timeout!!\n");
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return -1;
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}
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}
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mii_control = MAC_SET_MII_SELECT_REG(reg) |
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MAC_SET_MII_SELECT_PHY(addr) | MAC_MII_READ;
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*mii_control_reg = mii_control;
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timedout = 20;
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while (*mii_control_reg & MAC_MII_BUSY) {
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udelay(1000);
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if (--timedout == 0) {
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printf("au1x00_eth: miiphy_read busy timeout!!\n");
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return -1;
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}
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}
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*value = *mii_data_reg;
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return 0;
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}
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int au1x00_miiphy_write(const char *devname, unsigned char addr,
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unsigned char reg, unsigned short value)
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{
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volatile u32 *mii_control_reg = (volatile u32*)(ETH0_BASE+MAC_MII_CNTRL);
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volatile u32 *mii_data_reg = (volatile u32*)(ETH0_BASE+MAC_MII_DATA);
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u32 mii_control;
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unsigned int timedout = 20;
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while (*mii_control_reg & MAC_MII_BUSY) {
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udelay(1000);
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if (--timedout == 0) {
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printf("au1x00_eth: miiphy_write busy timeout!!\n");
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return -1;
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}
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}
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mii_control = MAC_SET_MII_SELECT_REG(reg) |
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MAC_SET_MII_SELECT_PHY(addr) | MAC_MII_WRITE;
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*mii_data_reg = value;
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*mii_control_reg = mii_control;
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return 0;
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}
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#endif
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|
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static int au1x00_send(struct eth_device *dev, void *packet, int length)
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{
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volatile mac_fifo_t *fifo_tx =
|
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(volatile mac_fifo_t*)(MAC0_TX_DMA_ADDR+MAC_TX_BUFF0_STATUS);
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int i;
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int res;
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|
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/* tx fifo should always be idle */
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||||
fifo_tx[next_tx].len = length;
|
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fifo_tx[next_tx].addr = (virt_to_phys(packet))|TX_DMA_ENABLE;
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au_sync();
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|
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udelay(1);
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i=0;
|
||||
while(!(fifo_tx[next_tx].addr&TX_T_DONE)){
|
||||
if(i>MAX_WAIT){
|
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printf("TX timeout\n");
|
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break;
|
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}
|
||||
udelay(1);
|
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i++;
|
||||
}
|
||||
|
||||
/* Clear done bit */
|
||||
fifo_tx[next_tx].addr = 0;
|
||||
fifo_tx[next_tx].len = 0;
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au_sync();
|
||||
|
||||
res = fifo_tx[next_tx].status;
|
||||
|
||||
next_tx++;
|
||||
if(next_tx>=NO_OF_FIFOS){
|
||||
next_tx=0;
|
||||
}
|
||||
return(res);
|
||||
}
|
||||
|
||||
static int au1x00_recv(struct eth_device* dev){
|
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volatile mac_fifo_t *fifo_rx =
|
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(volatile mac_fifo_t*)(MAC0_RX_DMA_ADDR+MAC_RX_BUFF0_STATUS);
|
||||
|
||||
int length;
|
||||
u32 status;
|
||||
|
||||
for(;;){
|
||||
if(!(fifo_rx[next_rx].addr&RX_T_DONE)){
|
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/* Nothing has been received */
|
||||
return(-1);
|
||||
}
|
||||
|
||||
status = fifo_rx[next_rx].status;
|
||||
|
||||
length = status&0x3FFF;
|
||||
|
||||
if(status&RX_ERROR){
|
||||
printf("Rx error 0x%x\n", status);
|
||||
}
|
||||
else{
|
||||
/* Pass the packet up to the protocol layers. */
|
||||
NetReceive(NetRxPackets[next_rx], length - 4);
|
||||
}
|
||||
|
||||
fifo_rx[next_rx].addr = (virt_to_phys(NetRxPackets[next_rx]))|RX_DMA_ENABLE;
|
||||
|
||||
next_rx++;
|
||||
if(next_rx>=NO_OF_FIFOS){
|
||||
next_rx=0;
|
||||
}
|
||||
} /* for */
|
||||
|
||||
return(0); /* Does anyone use this? */
|
||||
}
|
||||
|
||||
static int au1x00_init(struct eth_device* dev, bd_t * bd){
|
||||
|
||||
volatile u32 *macen = (volatile u32*)MAC0_ENABLE;
|
||||
volatile u32 *mac_ctrl = (volatile u32*)(ETH0_BASE+MAC_CONTROL);
|
||||
volatile u32 *mac_addr_high = (volatile u32*)(ETH0_BASE+MAC_ADDRESS_HIGH);
|
||||
volatile u32 *mac_addr_low = (volatile u32*)(ETH0_BASE+MAC_ADDRESS_LOW);
|
||||
volatile u32 *mac_mcast_high = (volatile u32*)(ETH0_BASE+MAC_MCAST_HIGH);
|
||||
volatile u32 *mac_mcast_low = (volatile u32*)(ETH0_BASE+MAC_MCAST_LOW);
|
||||
volatile mac_fifo_t *fifo_tx =
|
||||
(volatile mac_fifo_t*)(MAC0_TX_DMA_ADDR+MAC_TX_BUFF0_STATUS);
|
||||
volatile mac_fifo_t *fifo_rx =
|
||||
(volatile mac_fifo_t*)(MAC0_RX_DMA_ADDR+MAC_RX_BUFF0_STATUS);
|
||||
int i;
|
||||
|
||||
next_tx = TX_GET_DMA_BUFFER(fifo_tx[0].addr);
|
||||
next_rx = RX_GET_DMA_BUFFER(fifo_rx[0].addr);
|
||||
|
||||
/* We have to enable clocks before releasing reset */
|
||||
*macen = MAC_EN_CLOCK_ENABLE;
|
||||
udelay(10);
|
||||
|
||||
/* Enable MAC0 */
|
||||
/* We have to release reset before accessing registers */
|
||||
*macen = MAC_EN_CLOCK_ENABLE|MAC_EN_RESET0|
|
||||
MAC_EN_RESET1|MAC_EN_RESET2;
|
||||
udelay(10);
|
||||
|
||||
for(i=0;i<NO_OF_FIFOS;i++){
|
||||
fifo_tx[i].len = 0;
|
||||
fifo_tx[i].addr = virt_to_phys(&txbuf[0]);
|
||||
fifo_rx[i].addr = (virt_to_phys(NetRxPackets[i]))|RX_DMA_ENABLE;
|
||||
}
|
||||
|
||||
/* Put mac addr in little endian */
|
||||
#define ea eth_get_dev()->enetaddr
|
||||
*mac_addr_high = (ea[5] << 8) | (ea[4] ) ;
|
||||
*mac_addr_low = (ea[3] << 24) | (ea[2] << 16) |
|
||||
(ea[1] << 8) | (ea[0] ) ;
|
||||
#undef ea
|
||||
*mac_mcast_low = 0;
|
||||
*mac_mcast_high = 0;
|
||||
|
||||
/* Make sure the MAC buffer is in the correct endian mode */
|
||||
#ifdef __LITTLE_ENDIAN
|
||||
*mac_ctrl = MAC_FULL_DUPLEX;
|
||||
udelay(1);
|
||||
*mac_ctrl = MAC_FULL_DUPLEX|MAC_RX_ENABLE|MAC_TX_ENABLE;
|
||||
#else
|
||||
*mac_ctrl = MAC_BIG_ENDIAN|MAC_FULL_DUPLEX;
|
||||
udelay(1);
|
||||
*mac_ctrl = MAC_BIG_ENDIAN|MAC_FULL_DUPLEX|MAC_RX_ENABLE|MAC_TX_ENABLE;
|
||||
#endif
|
||||
|
||||
return(1);
|
||||
}
|
||||
|
||||
static void au1x00_halt(struct eth_device* dev){
|
||||
volatile u32 *macen = (volatile u32*)MAC0_ENABLE;
|
||||
|
||||
/* Put MAC0 in reset */
|
||||
*macen = 0;
|
||||
}
|
||||
|
||||
int au1x00_enet_initialize(bd_t *bis){
|
||||
struct eth_device* dev;
|
||||
|
||||
if ((dev = (struct eth_device*)malloc(sizeof *dev)) == NULL) {
|
||||
puts ("malloc failed\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
memset(dev, 0, sizeof *dev);
|
||||
|
||||
sprintf(dev->name, "Au1X00 ethernet");
|
||||
dev->iobase = 0;
|
||||
dev->priv = 0;
|
||||
dev->init = au1x00_init;
|
||||
dev->halt = au1x00_halt;
|
||||
dev->send = au1x00_send;
|
||||
dev->recv = au1x00_recv;
|
||||
|
||||
eth_register(dev);
|
||||
|
||||
#if defined(CONFIG_CMD_MII)
|
||||
miiphy_register(dev->name,
|
||||
au1x00_miiphy_read, au1x00_miiphy_write);
|
||||
#endif
|
||||
|
||||
return 1;
|
||||
}
|
|
@ -0,0 +1,131 @@
|
|||
/*
|
||||
* AU1X00 UART support
|
||||
*
|
||||
* Hardcoded to UART 0 for now
|
||||
* Speed and options also hardcoded to 115200 8N1
|
||||
*
|
||||
* Copyright (c) 2003 Thomas.Lange@corelatus.se
|
||||
*
|
||||
* See file CREDITS for list of people who contributed to this
|
||||
* project.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License as
|
||||
* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
* MA 02111-1307 USA
|
||||
*/
|
||||
|
||||
#include <config.h>
|
||||
#include <common.h>
|
||||
#include <asm/au1x00.h>
|
||||
|
||||
/******************************************************************************
|
||||
*
|
||||
* serial_init - initialize a channel
|
||||
*
|
||||
* This routine initializes the number of data bits, parity
|
||||
* and set the selected baud rate. Interrupts are disabled.
|
||||
* Set the modem control signals if the option is selected.
|
||||
*
|
||||
* RETURNS: N/A
|
||||
*/
|
||||
|
||||
int serial_init (void)
|
||||
{
|
||||
volatile u32 *uart_fifoctl = (volatile u32*)(UART0_ADDR+UART_FCR);
|
||||
volatile u32 *uart_enable = (volatile u32*)(UART0_ADDR+UART_ENABLE);
|
||||
|
||||
/* Enable clocks first */
|
||||
*uart_enable = UART_EN_CE;
|
||||
|
||||
/* Then release reset */
|
||||
/* Must release reset before setting other regs */
|
||||
*uart_enable = UART_EN_CE|UART_EN_E;
|
||||
|
||||
/* Activate fifos, reset tx and rx */
|
||||
/* Set tx trigger level to 12 */
|
||||
*uart_fifoctl = UART_FCR_ENABLE_FIFO|UART_FCR_CLEAR_RCVR|
|
||||
UART_FCR_CLEAR_XMIT|UART_FCR_T_TRIGGER_12;
|
||||
|
||||
serial_setbrg();
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
void serial_setbrg (void)
|
||||
{
|
||||
volatile u32 *uart_clk = (volatile u32*)(UART0_ADDR+UART_CLK);
|
||||
volatile u32 *uart_lcr = (volatile u32*)(UART0_ADDR+UART_LCR);
|
||||
volatile u32 *sys_powerctrl = (u32 *)SYS_POWERCTRL;
|
||||
int sd;
|
||||
int divisorx2;
|
||||
|
||||
/* sd is system clock divisor */
|
||||
/* see section 10.4.5 in au1550 datasheet */
|
||||
sd = (*sys_powerctrl & 0x03) + 2;
|
||||
|
||||
/* calulate 2x baudrate and round */
|
||||
divisorx2 = ((CONFIG_SYS_MIPS_TIMER_FREQ/(sd * 16 * CONFIG_BAUDRATE)));
|
||||
|
||||
if (divisorx2 & 0x01)
|
||||
divisorx2 = divisorx2 + 1;
|
||||
|
||||
*uart_clk = divisorx2 / 2;
|
||||
|
||||
/* Set parity, stop bits and word length to 8N1 */
|
||||
*uart_lcr = UART_LCR_WLEN8;
|
||||
}
|
||||
|
||||
void serial_putc (const char c)
|
||||
{
|
||||
volatile u32 *uart_lsr = (volatile u32*)(UART0_ADDR+UART_LSR);
|
||||
volatile u32 *uart_tx = (volatile u32*)(UART0_ADDR+UART_TX);
|
||||
|
||||
if (c == '\n') serial_putc ('\r');
|
||||
|
||||
/* Wait for fifo to shift out some bytes */
|
||||
while((*uart_lsr&UART_LSR_THRE)==0);
|
||||
|
||||
*uart_tx = (u32)c;
|
||||
}
|
||||
|
||||
void serial_puts (const char *s)
|
||||
{
|
||||
while (*s)
|
||||
{
|
||||
serial_putc (*s++);
|
||||
}
|
||||
}
|
||||
|
||||
int serial_getc (void)
|
||||
{
|
||||
volatile u32 *uart_rx = (volatile u32*)(UART0_ADDR+UART_RX);
|
||||
char c;
|
||||
|
||||
while (!serial_tstc());
|
||||
|
||||
c = (*uart_rx&0xFF);
|
||||
return c;
|
||||
}
|
||||
|
||||
int serial_tstc (void)
|
||||
{
|
||||
volatile u32 *uart_lsr = (volatile u32*)(UART0_ADDR+UART_LSR);
|
||||
|
||||
if(*uart_lsr&UART_LSR_DR){
|
||||
/* Data in rfifo */
|
||||
return(1);
|
||||
}
|
||||
return 0;
|
||||
}
|
File diff suppressed because it is too large
Load diff
|
@ -0,0 +1,416 @@
|
|||
/*
|
||||
* URB OHCI HCD (Host Controller Driver) for USB.
|
||||
*
|
||||
* (C) Copyright 1999 Roman Weissgaerber <weissg@vienna.at>
|
||||
* (C) Copyright 2000-2001 David Brownell <dbrownell@users.sourceforge.net>
|
||||
*
|
||||
* usb-ohci.h
|
||||
*/
|
||||
|
||||
|
||||
static int cc_to_error[16] = {
|
||||
|
||||
/* mapping of the OHCI CC status to error codes */
|
||||
/* No Error */ 0,
|
||||
/* CRC Error */ USB_ST_CRC_ERR,
|
||||
/* Bit Stuff */ USB_ST_BIT_ERR,
|
||||
/* Data Togg */ USB_ST_CRC_ERR,
|
||||
/* Stall */ USB_ST_STALLED,
|
||||
/* DevNotResp */ -1,
|
||||
/* PIDCheck */ USB_ST_BIT_ERR,
|
||||
/* UnExpPID */ USB_ST_BIT_ERR,
|
||||
/* DataOver */ USB_ST_BUF_ERR,
|
||||
/* DataUnder */ USB_ST_BUF_ERR,
|
||||
/* reservd */ -1,
|
||||
/* reservd */ -1,
|
||||
/* BufferOver */ USB_ST_BUF_ERR,
|
||||
/* BuffUnder */ USB_ST_BUF_ERR,
|
||||
/* Not Access */ -1,
|
||||
/* Not Access */ -1
|
||||
};
|
||||
|
||||
/* ED States */
|
||||
|
||||
#define ED_NEW 0x00
|
||||
#define ED_UNLINK 0x01
|
||||
#define ED_OPER 0x02
|
||||
#define ED_DEL 0x04
|
||||
#define ED_URB_DEL 0x08
|
||||
|
||||
/* usb_ohci_ed */
|
||||
struct ed {
|
||||
__u32 hwINFO;
|
||||
__u32 hwTailP;
|
||||
__u32 hwHeadP;
|
||||
__u32 hwNextED;
|
||||
|
||||
struct ed *ed_prev;
|
||||
__u8 int_period;
|
||||
__u8 int_branch;
|
||||
__u8 int_load;
|
||||
__u8 int_interval;
|
||||
__u8 state;
|
||||
__u8 type;
|
||||
__u16 last_iso;
|
||||
struct ed *ed_rm_list;
|
||||
|
||||
struct usb_device *usb_dev;
|
||||
__u32 unused[3];
|
||||
} __attribute__((aligned(16)));
|
||||
typedef struct ed ed_t;
|
||||
|
||||
|
||||
/* TD info field */
|
||||
#define TD_CC 0xf0000000
|
||||
#define TD_CC_GET(td_p) ((td_p >>28) & 0x0f)
|
||||
#define TD_CC_SET(td_p, cc) (td_p) = ((td_p) & 0x0fffffff) | (((cc) & 0x0f) << 28)
|
||||
#define TD_EC 0x0C000000
|
||||
#define TD_T 0x03000000
|
||||
#define TD_T_DATA0 0x02000000
|
||||
#define TD_T_DATA1 0x03000000
|
||||
#define TD_T_TOGGLE 0x00000000
|
||||
#define TD_R 0x00040000
|
||||
#define TD_DI 0x00E00000
|
||||
#define TD_DI_SET(X) (((X) & 0x07)<< 21)
|
||||
#define TD_DP 0x00180000
|
||||
#define TD_DP_SETUP 0x00000000
|
||||
#define TD_DP_IN 0x00100000
|
||||
#define TD_DP_OUT 0x00080000
|
||||
|
||||
#define TD_ISO 0x00010000
|
||||
#define TD_DEL 0x00020000
|
||||
|
||||
/* CC Codes */
|
||||
#define TD_CC_NOERROR 0x00
|
||||
#define TD_CC_CRC 0x01
|
||||
#define TD_CC_BITSTUFFING 0x02
|
||||
#define TD_CC_DATATOGGLEM 0x03
|
||||
#define TD_CC_STALL 0x04
|
||||
#define TD_DEVNOTRESP 0x05
|
||||
#define TD_PIDCHECKFAIL 0x06
|
||||
#define TD_UNEXPECTEDPID 0x07
|
||||
#define TD_DATAOVERRUN 0x08
|
||||
#define TD_DATAUNDERRUN 0x09
|
||||
#define TD_BUFFEROVERRUN 0x0C
|
||||
#define TD_BUFFERUNDERRUN 0x0D
|
||||
#define TD_NOTACCESSED 0x0F
|
||||
|
||||
|
||||
#define MAXPSW 1
|
||||
|
||||
struct td {
|
||||
__u32 hwINFO;
|
||||
__u32 hwCBP; /* Current Buffer Pointer */
|
||||
__u32 hwNextTD; /* Next TD Pointer */
|
||||
__u32 hwBE; /* Memory Buffer End Pointer */
|
||||
|
||||
__u16 hwPSW[MAXPSW];
|
||||
__u8 unused;
|
||||
__u8 index;
|
||||
struct ed *ed;
|
||||
struct td *next_dl_td;
|
||||
struct usb_device *usb_dev;
|
||||
int transfer_len;
|
||||
__u32 data;
|
||||
|
||||
__u32 unused2[2];
|
||||
} __attribute__((aligned(32)));
|
||||
typedef struct td td_t;
|
||||
|
||||
#define OHCI_ED_SKIP (1 << 14)
|
||||
|
||||
/*
|
||||
* The HCCA (Host Controller Communications Area) is a 256 byte
|
||||
* structure defined in the OHCI spec. that the host controller is
|
||||
* told the base address of. It must be 256-byte aligned.
|
||||
*/
|
||||
|
||||
#define NUM_INTS 32 /* part of the OHCI standard */
|
||||
struct ohci_hcca {
|
||||
__u32 int_table[NUM_INTS]; /* Interrupt ED table */
|
||||
__u16 frame_no; /* current frame number */
|
||||
__u16 pad1; /* set to 0 on each frame_no change */
|
||||
__u32 done_head; /* info returned for an interrupt */
|
||||
u8 reserved_for_hc[116];
|
||||
} __attribute__((aligned(256)));
|
||||
|
||||
|
||||
/*
|
||||
* Maximum number of root hub ports.
|
||||
*/
|
||||
#define MAX_ROOT_PORTS 15 /* maximum OHCI root hub ports */
|
||||
|
||||
/*
|
||||
* This is the structure of the OHCI controller's memory mapped I/O
|
||||
* region. This is Memory Mapped I/O. You must use the readl() and
|
||||
* writel() macros defined in asm/io.h to access these!!
|
||||
*/
|
||||
struct ohci_regs {
|
||||
/* control and status registers */
|
||||
__u32 revision;
|
||||
__u32 control;
|
||||
__u32 cmdstatus;
|
||||
__u32 intrstatus;
|
||||
__u32 intrenable;
|
||||
__u32 intrdisable;
|
||||
/* memory pointers */
|
||||
__u32 hcca;
|
||||
__u32 ed_periodcurrent;
|
||||
__u32 ed_controlhead;
|
||||
__u32 ed_controlcurrent;
|
||||
__u32 ed_bulkhead;
|
||||
__u32 ed_bulkcurrent;
|
||||
__u32 donehead;
|
||||
/* frame counters */
|
||||
__u32 fminterval;
|
||||
__u32 fmremaining;
|
||||
__u32 fmnumber;
|
||||
__u32 periodicstart;
|
||||
__u32 lsthresh;
|
||||
/* Root hub ports */
|
||||
struct ohci_roothub_regs {
|
||||
__u32 a;
|
||||
__u32 b;
|
||||
__u32 status;
|
||||
__u32 portstatus[MAX_ROOT_PORTS];
|
||||
} roothub;
|
||||
} __attribute__((aligned(32)));
|
||||
|
||||
|
||||
/* OHCI CONTROL AND STATUS REGISTER MASKS */
|
||||
|
||||
/*
|
||||
* HcControl (control) register masks
|
||||
*/
|
||||
#define OHCI_CTRL_CBSR (3 << 0) /* control/bulk service ratio */
|
||||
#define OHCI_CTRL_PLE (1 << 2) /* periodic list enable */
|
||||
#define OHCI_CTRL_IE (1 << 3) /* isochronous enable */
|
||||
#define OHCI_CTRL_CLE (1 << 4) /* control list enable */
|
||||
#define OHCI_CTRL_BLE (1 << 5) /* bulk list enable */
|
||||
#define OHCI_CTRL_HCFS (3 << 6) /* host controller functional state */
|
||||
#define OHCI_CTRL_IR (1 << 8) /* interrupt routing */
|
||||
#define OHCI_CTRL_RWC (1 << 9) /* remote wakeup connected */
|
||||
#define OHCI_CTRL_RWE (1 << 10) /* remote wakeup enable */
|
||||
|
||||
/* pre-shifted values for HCFS */
|
||||
# define OHCI_USB_RESET (0 << 6)
|
||||
# define OHCI_USB_RESUME (1 << 6)
|
||||
# define OHCI_USB_OPER (2 << 6)
|
||||
# define OHCI_USB_SUSPEND (3 << 6)
|
||||
|
||||
/*
|
||||
* HcCommandStatus (cmdstatus) register masks
|
||||
*/
|
||||
#define OHCI_HCR (1 << 0) /* host controller reset */
|
||||
#define OHCI_CLF (1 << 1) /* control list filled */
|
||||
#define OHCI_BLF (1 << 2) /* bulk list filled */
|
||||
#define OHCI_OCR (1 << 3) /* ownership change request */
|
||||
#define OHCI_SOC (3 << 16) /* scheduling overrun count */
|
||||
|
||||
/*
|
||||
* masks used with interrupt registers:
|
||||
* HcInterruptStatus (intrstatus)
|
||||
* HcInterruptEnable (intrenable)
|
||||
* HcInterruptDisable (intrdisable)
|
||||
*/
|
||||
#define OHCI_INTR_SO (1 << 0) /* scheduling overrun */
|
||||
#define OHCI_INTR_WDH (1 << 1) /* writeback of done_head */
|
||||
#define OHCI_INTR_SF (1 << 2) /* start frame */
|
||||
#define OHCI_INTR_RD (1 << 3) /* resume detect */
|
||||
#define OHCI_INTR_UE (1 << 4) /* unrecoverable error */
|
||||
#define OHCI_INTR_FNO (1 << 5) /* frame number overflow */
|
||||
#define OHCI_INTR_RHSC (1 << 6) /* root hub status change */
|
||||
#define OHCI_INTR_OC (1 << 30) /* ownership change */
|
||||
#define OHCI_INTR_MIE (1 << 31) /* master interrupt enable */
|
||||
|
||||
|
||||
/* Virtual Root HUB */
|
||||
struct virt_root_hub {
|
||||
int devnum; /* Address of Root Hub endpoint */
|
||||
void *dev; /* was urb */
|
||||
void *int_addr;
|
||||
int send;
|
||||
int interval;
|
||||
};
|
||||
|
||||
/* USB HUB CONSTANTS (not OHCI-specific; see hub.h) */
|
||||
|
||||
/* destination of request */
|
||||
#define RH_INTERFACE 0x01
|
||||
#define RH_ENDPOINT 0x02
|
||||
#define RH_OTHER 0x03
|
||||
|
||||
#define RH_CLASS 0x20
|
||||
#define RH_VENDOR 0x40
|
||||
|
||||
/* Requests: bRequest << 8 | bmRequestType */
|
||||
#define RH_GET_STATUS 0x0080
|
||||
#define RH_CLEAR_FEATURE 0x0100
|
||||
#define RH_SET_FEATURE 0x0300
|
||||
#define RH_SET_ADDRESS 0x0500
|
||||
#define RH_GET_DESCRIPTOR 0x0680
|
||||
#define RH_SET_DESCRIPTOR 0x0700
|
||||
#define RH_GET_CONFIGURATION 0x0880
|
||||
#define RH_SET_CONFIGURATION 0x0900
|
||||
#define RH_GET_STATE 0x0280
|
||||
#define RH_GET_INTERFACE 0x0A80
|
||||
#define RH_SET_INTERFACE 0x0B00
|
||||
#define RH_SYNC_FRAME 0x0C80
|
||||
/* Our Vendor Specific Request */
|
||||
#define RH_SET_EP 0x2000
|
||||
|
||||
|
||||
/* Hub port features */
|
||||
#define RH_PORT_CONNECTION 0x00
|
||||
#define RH_PORT_ENABLE 0x01
|
||||
#define RH_PORT_SUSPEND 0x02
|
||||
#define RH_PORT_OVER_CURRENT 0x03
|
||||
#define RH_PORT_RESET 0x04
|
||||
#define RH_PORT_POWER 0x08
|
||||
#define RH_PORT_LOW_SPEED 0x09
|
||||
|
||||
#define RH_C_PORT_CONNECTION 0x10
|
||||
#define RH_C_PORT_ENABLE 0x11
|
||||
#define RH_C_PORT_SUSPEND 0x12
|
||||
#define RH_C_PORT_OVER_CURRENT 0x13
|
||||
#define RH_C_PORT_RESET 0x14
|
||||
|
||||
/* Hub features */
|
||||
#define RH_C_HUB_LOCAL_POWER 0x00
|
||||
#define RH_C_HUB_OVER_CURRENT 0x01
|
||||
|
||||
#define RH_DEVICE_REMOTE_WAKEUP 0x00
|
||||
#define RH_ENDPOINT_STALL 0x01
|
||||
|
||||
#define RH_ACK 0x01
|
||||
#define RH_REQ_ERR -1
|
||||
#define RH_NACK 0x00
|
||||
|
||||
|
||||
/* OHCI ROOT HUB REGISTER MASKS */
|
||||
|
||||
/* roothub.portstatus [i] bits */
|
||||
#define RH_PS_CCS 0x00000001 /* current connect status */
|
||||
#define RH_PS_PES 0x00000002 /* port enable status*/
|
||||
#define RH_PS_PSS 0x00000004 /* port suspend status */
|
||||
#define RH_PS_POCI 0x00000008 /* port over current indicator */
|
||||
#define RH_PS_PRS 0x00000010 /* port reset status */
|
||||
#define RH_PS_PPS 0x00000100 /* port power status */
|
||||
#define RH_PS_LSDA 0x00000200 /* low speed device attached */
|
||||
#define RH_PS_CSC 0x00010000 /* connect status change */
|
||||
#define RH_PS_PESC 0x00020000 /* port enable status change */
|
||||
#define RH_PS_PSSC 0x00040000 /* port suspend status change */
|
||||
#define RH_PS_OCIC 0x00080000 /* over current indicator change */
|
||||
#define RH_PS_PRSC 0x00100000 /* port reset status change */
|
||||
|
||||
/* roothub.status bits */
|
||||
#define RH_HS_LPS 0x00000001 /* local power status */
|
||||
#define RH_HS_OCI 0x00000002 /* over current indicator */
|
||||
#define RH_HS_DRWE 0x00008000 /* device remote wakeup enable */
|
||||
#define RH_HS_LPSC 0x00010000 /* local power status change */
|
||||
#define RH_HS_OCIC 0x00020000 /* over current indicator change */
|
||||
#define RH_HS_CRWE 0x80000000 /* clear remote wakeup enable */
|
||||
|
||||
/* roothub.b masks */
|
||||
#define RH_B_DR 0x0000ffff /* device removable flags */
|
||||
#define RH_B_PPCM 0xffff0000 /* port power control mask */
|
||||
|
||||
/* roothub.a masks */
|
||||
#define RH_A_NDP (0xff << 0) /* number of downstream ports */
|
||||
#define RH_A_PSM (1 << 8) /* power switching mode */
|
||||
#define RH_A_NPS (1 << 9) /* no power switching */
|
||||
#define RH_A_DT (1 << 10) /* device type (mbz) */
|
||||
#define RH_A_OCPM (1 << 11) /* over current protection mode */
|
||||
#define RH_A_NOCP (1 << 12) /* no over current protection */
|
||||
#define RH_A_POTPGT (0xff << 24) /* power on to power good time */
|
||||
|
||||
/* urb */
|
||||
#define N_URB_TD 48
|
||||
typedef struct
|
||||
{
|
||||
ed_t *ed;
|
||||
__u16 length; /* number of tds associated with this request */
|
||||
__u16 td_cnt; /* number of tds already serviced */
|
||||
int state;
|
||||
unsigned long pipe;
|
||||
int actual_length;
|
||||
td_t *td[N_URB_TD]; /* list pointer to all corresponding TDs associated with this request */
|
||||
} urb_priv_t;
|
||||
#define URB_DEL 1
|
||||
|
||||
/*
|
||||
* This is the full ohci controller description
|
||||
*
|
||||
* Note how the "proper" USB information is just
|
||||
* a subset of what the full implementation needs. (Linus)
|
||||
*/
|
||||
|
||||
|
||||
typedef struct ohci {
|
||||
struct ohci_hcca *hcca; /* hcca */
|
||||
/*dma_addr_t hcca_dma;*/
|
||||
|
||||
int irq;
|
||||
int disabled; /* e.g. got a UE, we're hung */
|
||||
int sleeping;
|
||||
unsigned long flags; /* for HC bugs */
|
||||
|
||||
struct ohci_regs *regs; /* OHCI controller's memory */
|
||||
|
||||
ed_t *ed_rm_list[2]; /* lists of all endpoints to be removed */
|
||||
ed_t *ed_bulktail; /* last endpoint of bulk list */
|
||||
ed_t *ed_controltail; /* last endpoint of control list */
|
||||
int intrstatus;
|
||||
__u32 hc_control; /* copy of the hc control reg */
|
||||
struct usb_device *dev[32];
|
||||
struct virt_root_hub rh;
|
||||
|
||||
const char *slot_name;
|
||||
} ohci_t;
|
||||
|
||||
#define NUM_EDS 8 /* num of preallocated endpoint descriptors */
|
||||
|
||||
struct ohci_device {
|
||||
ed_t ed[NUM_EDS];
|
||||
int ed_cnt;
|
||||
};
|
||||
|
||||
/* hcd */
|
||||
/* endpoint */
|
||||
static int ep_link(ohci_t * ohci, ed_t * ed);
|
||||
static int ep_unlink(ohci_t * ohci, ed_t * ed);
|
||||
static ed_t * ep_add_ed(struct usb_device * usb_dev, unsigned long pipe);
|
||||
|
||||
/*-------------------------------------------------------------------------*/
|
||||
|
||||
/* we need more TDs than EDs */
|
||||
#define NUM_TD 64
|
||||
|
||||
/* +1 so we can align the storage */
|
||||
td_t gtd[NUM_TD+1];
|
||||
/* pointers to aligned storage */
|
||||
td_t *ptd;
|
||||
|
||||
/* TDs ... */
|
||||
static inline struct td *
|
||||
td_alloc (struct usb_device *usb_dev)
|
||||
{
|
||||
int i;
|
||||
struct td *td;
|
||||
|
||||
td = NULL;
|
||||
for (i = 0; i < NUM_TD; i++) {
|
||||
if (ptd[i].usb_dev == NULL) {
|
||||
td = &ptd[i];
|
||||
td->usb_dev = usb_dev;
|
||||
break;
|
||||
}
|
||||
}
|
||||
return td;
|
||||
}
|
||||
|
||||
static inline void
|
||||
ed_free (struct ed *ed)
|
||||
{
|
||||
ed->usb_dev = NULL;
|
||||
}
|
|
@ -0,0 +1,24 @@
|
|||
#
|
||||
# (C) Copyright 2011
|
||||
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
||||
#
|
||||
# See file CREDITS for list of people who contributed to this
|
||||
# project.
|
||||
#
|
||||
# This program is free software; you can redistribute it and/or
|
||||
# modify it under the terms of the GNU General Public License as
|
||||
# published by the Free Software Foundation; either version 2 of
|
||||
# the License, or (at your option) any later version.
|
||||
#
|
||||
# This program is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with this program; if not, write to the Free Software
|
||||
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
# MA 02111-1307 USA
|
||||
#
|
||||
|
||||
PLATFORM_CPPFLAGS += -mtune=4kc
|
234
6.1/package/boot/uboot-ipq40xx/src/arch/mips/cpu/mips32/cache.S
Normal file
234
6.1/package/boot/uboot-ipq40xx/src/arch/mips/cpu/mips32/cache.S
Normal file
|
@ -0,0 +1,234 @@
|
|||
/*
|
||||
* Cache-handling routined for MIPS CPUs
|
||||
*
|
||||
* Copyright (c) 2003 Wolfgang Denk <wd@denx.de>
|
||||
*
|
||||
* See file CREDITS for list of people who contributed to this
|
||||
* project.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License as
|
||||
* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
* MA 02111-1307 USA
|
||||
*/
|
||||
|
||||
#include <asm-offsets.h>
|
||||
#include <config.h>
|
||||
#include <asm/asm.h>
|
||||
#include <asm/regdef.h>
|
||||
#include <asm/mipsregs.h>
|
||||
#include <asm/addrspace.h>
|
||||
#include <asm/cacheops.h>
|
||||
|
||||
#ifndef CONFIG_SYS_MIPS_CACHE_MODE
|
||||
#define CONFIG_SYS_MIPS_CACHE_MODE CONF_CM_CACHABLE_NONCOHERENT
|
||||
#endif
|
||||
|
||||
#define RA t8
|
||||
|
||||
/*
|
||||
* 16kB is the maximum size of instruction and data caches on MIPS 4K,
|
||||
* 64kB is on 4KE, 24K, 5K, etc. Set bigger size for convenience.
|
||||
*
|
||||
* Note that the above size is the maximum size of primary cache. U-Boot
|
||||
* doesn't have L2 cache support for now.
|
||||
*/
|
||||
#define MIPS_MAX_CACHE_SIZE 0x10000
|
||||
|
||||
#define INDEX_BASE CKSEG0
|
||||
|
||||
.macro cache_op op addr
|
||||
.set push
|
||||
.set noreorder
|
||||
.set mips3
|
||||
cache \op, 0(\addr)
|
||||
.set pop
|
||||
.endm
|
||||
|
||||
.macro f_fill64 dst, offset, val
|
||||
LONG_S \val, (\offset + 0 * LONGSIZE)(\dst)
|
||||
LONG_S \val, (\offset + 1 * LONGSIZE)(\dst)
|
||||
LONG_S \val, (\offset + 2 * LONGSIZE)(\dst)
|
||||
LONG_S \val, (\offset + 3 * LONGSIZE)(\dst)
|
||||
LONG_S \val, (\offset + 4 * LONGSIZE)(\dst)
|
||||
LONG_S \val, (\offset + 5 * LONGSIZE)(\dst)
|
||||
LONG_S \val, (\offset + 6 * LONGSIZE)(\dst)
|
||||
LONG_S \val, (\offset + 7 * LONGSIZE)(\dst)
|
||||
#if LONGSIZE == 4
|
||||
LONG_S \val, (\offset + 8 * LONGSIZE)(\dst)
|
||||
LONG_S \val, (\offset + 9 * LONGSIZE)(\dst)
|
||||
LONG_S \val, (\offset + 10 * LONGSIZE)(\dst)
|
||||
LONG_S \val, (\offset + 11 * LONGSIZE)(\dst)
|
||||
LONG_S \val, (\offset + 12 * LONGSIZE)(\dst)
|
||||
LONG_S \val, (\offset + 13 * LONGSIZE)(\dst)
|
||||
LONG_S \val, (\offset + 14 * LONGSIZE)(\dst)
|
||||
LONG_S \val, (\offset + 15 * LONGSIZE)(\dst)
|
||||
#endif
|
||||
.endm
|
||||
|
||||
/*
|
||||
* mips_init_icache(uint PRId, ulong icache_size, unchar icache_linesz)
|
||||
*/
|
||||
LEAF(mips_init_icache)
|
||||
blez a1, 9f
|
||||
mtc0 zero, CP0_TAGLO
|
||||
/* clear tag to invalidate */
|
||||
PTR_LI t0, INDEX_BASE
|
||||
PTR_ADDU t1, t0, a1
|
||||
1: cache_op Index_Store_Tag_I t0
|
||||
PTR_ADDU t0, a2
|
||||
bne t0, t1, 1b
|
||||
/* fill once, so data field parity is correct */
|
||||
PTR_LI t0, INDEX_BASE
|
||||
2: cache_op Fill t0
|
||||
PTR_ADDU t0, a2
|
||||
bne t0, t1, 2b
|
||||
/* invalidate again - prudent but not strictly neccessary */
|
||||
PTR_LI t0, INDEX_BASE
|
||||
1: cache_op Index_Store_Tag_I t0
|
||||
PTR_ADDU t0, a2
|
||||
bne t0, t1, 1b
|
||||
9: jr ra
|
||||
END(mips_init_icache)
|
||||
|
||||
/*
|
||||
* mips_init_dcache(uint PRId, ulong dcache_size, unchar dcache_linesz)
|
||||
*/
|
||||
LEAF(mips_init_dcache)
|
||||
blez a1, 9f
|
||||
mtc0 zero, CP0_TAGLO
|
||||
/* clear all tags */
|
||||
PTR_LI t0, INDEX_BASE
|
||||
PTR_ADDU t1, t0, a1
|
||||
1: cache_op Index_Store_Tag_D t0
|
||||
PTR_ADDU t0, a2
|
||||
bne t0, t1, 1b
|
||||
/* load from each line (in cached space) */
|
||||
PTR_LI t0, INDEX_BASE
|
||||
2: LONG_L zero, 0(t0)
|
||||
PTR_ADDU t0, a2
|
||||
bne t0, t1, 2b
|
||||
/* clear all tags */
|
||||
PTR_LI t0, INDEX_BASE
|
||||
1: cache_op Index_Store_Tag_D t0
|
||||
PTR_ADDU t0, a2
|
||||
bne t0, t1, 1b
|
||||
9: jr ra
|
||||
END(mips_init_dcache)
|
||||
|
||||
/*
|
||||
* mips_cache_reset - low level initialisation of the primary caches
|
||||
*
|
||||
* This routine initialises the primary caches to ensure that they have good
|
||||
* parity. It must be called by the ROM before any cached locations are used
|
||||
* to prevent the possibility of data with bad parity being written to memory.
|
||||
*
|
||||
* To initialise the instruction cache it is essential that a source of data
|
||||
* with good parity is available. This routine will initialise an area of
|
||||
* memory starting at location zero to be used as a source of parity.
|
||||
*
|
||||
* RETURNS: N/A
|
||||
*
|
||||
*/
|
||||
NESTED(mips_cache_reset, 0, ra)
|
||||
move RA, ra
|
||||
li t2, CONFIG_SYS_ICACHE_SIZE
|
||||
li t3, CONFIG_SYS_DCACHE_SIZE
|
||||
li t4, CONFIG_SYS_CACHELINE_SIZE
|
||||
move t5, t4
|
||||
|
||||
li v0, MIPS_MAX_CACHE_SIZE
|
||||
|
||||
/*
|
||||
* Now clear that much memory starting from zero.
|
||||
*/
|
||||
PTR_LI a0, CKSEG1
|
||||
PTR_ADDU a1, a0, v0
|
||||
2: PTR_ADDIU a0, 64
|
||||
f_fill64 a0, -64, zero
|
||||
bne a0, a1, 2b
|
||||
|
||||
/*
|
||||
* The caches are probably in an indeterminate state,
|
||||
* so we force good parity into them by doing an
|
||||
* invalidate, load/fill, invalidate for each line.
|
||||
*/
|
||||
|
||||
/*
|
||||
* Assume bottom of RAM will generate good parity for the cache.
|
||||
*/
|
||||
|
||||
/*
|
||||
* Initialize the I-cache first,
|
||||
*/
|
||||
move a1, t2
|
||||
move a2, t4
|
||||
PTR_LA t7, mips_init_icache
|
||||
jalr t7
|
||||
|
||||
/*
|
||||
* then initialize D-cache.
|
||||
*/
|
||||
move a1, t3
|
||||
move a2, t5
|
||||
PTR_LA t7, mips_init_dcache
|
||||
jalr t7
|
||||
|
||||
jr RA
|
||||
END(mips_cache_reset)
|
||||
|
||||
/*
|
||||
* dcache_status - get cache status
|
||||
*
|
||||
* RETURNS: 0 - cache disabled; 1 - cache enabled
|
||||
*
|
||||
*/
|
||||
LEAF(dcache_status)
|
||||
mfc0 t0, CP0_CONFIG
|
||||
li t1, CONF_CM_UNCACHED
|
||||
andi t0, t0, CONF_CM_CMASK
|
||||
move v0, zero
|
||||
beq t0, t1, 2f
|
||||
li v0, 1
|
||||
2: jr ra
|
||||
END(dcache_status)
|
||||
|
||||
/*
|
||||
* dcache_disable - disable cache
|
||||
*
|
||||
* RETURNS: N/A
|
||||
*
|
||||
*/
|
||||
LEAF(dcache_disable)
|
||||
mfc0 t0, CP0_CONFIG
|
||||
li t1, -8
|
||||
and t0, t0, t1
|
||||
ori t0, t0, CONF_CM_UNCACHED
|
||||
mtc0 t0, CP0_CONFIG
|
||||
jr ra
|
||||
END(dcache_disable)
|
||||
|
||||
/*
|
||||
* dcache_enable - enable cache
|
||||
*
|
||||
* RETURNS: N/A
|
||||
*
|
||||
*/
|
||||
LEAF(dcache_enable)
|
||||
mfc0 t0, CP0_CONFIG
|
||||
ori t0, CONF_CM_CMASK
|
||||
xori t0, CONF_CM_CMASK
|
||||
ori t0, CONFIG_SYS_MIPS_CACHE_MODE
|
||||
mtc0 t0, CP0_CONFIG
|
||||
jr ra
|
||||
END(dcache_enable)
|
|
@ -0,0 +1,49 @@
|
|||
#
|
||||
# (C) Copyright 2003
|
||||
# Wolfgang Denk, DENX Software Engineering, <wd@denx.de>
|
||||
#
|
||||
# See file CREDITS for list of people who contributed to this
|
||||
# project.
|
||||
#
|
||||
# This program is free software; you can redistribute it and/or
|
||||
# modify it under the terms of the GNU General Public License as
|
||||
# published by the Free Software Foundation; either version 2 of
|
||||
# the License, or (at your option) any later version.
|
||||
#
|
||||
# This program is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with this program; if not, write to the Free Software
|
||||
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
# MA 02111-1307 USA
|
||||
#
|
||||
|
||||
#
|
||||
# Default optimization level for MIPS32
|
||||
#
|
||||
# Note: Toolchains with binutils prior to v2.16
|
||||
# are no longer supported by U-Boot MIPS tree!
|
||||
#
|
||||
MIPSFLAGS := -march=mips32r2
|
||||
|
||||
# Handle special prefix in ELDK 4.0 toolchain
|
||||
ifneq (,$(findstring 4KCle,$(CROSS_COMPILE)))
|
||||
ENDIANNESS := -EL
|
||||
endif
|
||||
|
||||
ifdef CONFIG_SYS_LITTLE_ENDIAN
|
||||
ENDIANNESS := -EL
|
||||
endif
|
||||
|
||||
ifdef CONFIG_SYS_BIG_ENDIAN
|
||||
ENDIANNESS := -EB
|
||||
endif
|
||||
|
||||
# Default to EB if no endianess is configured
|
||||
ENDIANNESS ?= -EB
|
||||
|
||||
PLATFORM_CPPFLAGS += $(MIPSFLAGS) $(ENDIANNESS)
|
||||
PLATFORM_LDFLAGS += $(ENDIANNESS)
|
116
6.1/package/boot/uboot-ipq40xx/src/arch/mips/cpu/mips32/cpu.c
Normal file
116
6.1/package/boot/uboot-ipq40xx/src/arch/mips/cpu/mips32/cpu.c
Normal file
|
@ -0,0 +1,116 @@
|
|||
/*
|
||||
* (C) Copyright 2003
|
||||
* Wolfgang Denk, DENX Software Engineering, <wd@denx.de>
|
||||
*
|
||||
* See file CREDITS for list of people who contributed to this
|
||||
* project.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License as
|
||||
* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
* MA 02111-1307 USA
|
||||
*/
|
||||
|
||||
#include <common.h>
|
||||
#include <command.h>
|
||||
#include <netdev.h>
|
||||
#include <asm/mipsregs.h>
|
||||
#include <asm/cacheops.h>
|
||||
#include <asm/reboot.h>
|
||||
|
||||
#define cache_op(op,addr) \
|
||||
__asm__ __volatile__( \
|
||||
" .set push \n" \
|
||||
" .set noreorder \n" \
|
||||
" .set mips3\n\t \n" \
|
||||
" cache %0, %1 \n" \
|
||||
" .set pop \n" \
|
||||
: \
|
||||
: "i" (op), "R" (*(unsigned char *)(addr)))
|
||||
|
||||
void __attribute__((weak)) _machine_restart(void)
|
||||
{
|
||||
}
|
||||
|
||||
int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
|
||||
{
|
||||
_machine_restart();
|
||||
|
||||
fprintf(stderr, "*** reset failed ***\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
void flush_cache(ulong start_addr, ulong size)
|
||||
{
|
||||
unsigned long lsize = CONFIG_SYS_CACHELINE_SIZE;
|
||||
unsigned long addr = start_addr & ~(lsize - 1);
|
||||
unsigned long aend = (start_addr + size - 1) & ~(lsize - 1);
|
||||
|
||||
/* aend will be miscalculated when size is zero, so we return here */
|
||||
if (size == 0)
|
||||
return;
|
||||
|
||||
while (1) {
|
||||
cache_op(Hit_Writeback_Inv_D, addr);
|
||||
cache_op(Hit_Invalidate_I, addr);
|
||||
if (addr == aend)
|
||||
break;
|
||||
addr += lsize;
|
||||
}
|
||||
}
|
||||
|
||||
void flush_dcache_range(ulong start_addr, ulong stop)
|
||||
{
|
||||
unsigned long lsize = CONFIG_SYS_CACHELINE_SIZE;
|
||||
unsigned long addr = start_addr & ~(lsize - 1);
|
||||
unsigned long aend = (stop - 1) & ~(lsize - 1);
|
||||
|
||||
while (1) {
|
||||
cache_op(Hit_Writeback_Inv_D, addr);
|
||||
if (addr == aend)
|
||||
break;
|
||||
addr += lsize;
|
||||
}
|
||||
}
|
||||
|
||||
void invalidate_dcache_range(ulong start_addr, ulong stop)
|
||||
{
|
||||
unsigned long lsize = CONFIG_SYS_CACHELINE_SIZE;
|
||||
unsigned long addr = start_addr & ~(lsize - 1);
|
||||
unsigned long aend = (stop - 1) & ~(lsize - 1);
|
||||
|
||||
while (1) {
|
||||
cache_op(Hit_Invalidate_D, addr);
|
||||
if (addr == aend)
|
||||
break;
|
||||
addr += lsize;
|
||||
}
|
||||
}
|
||||
|
||||
void write_one_tlb(int index, u32 pagemask, u32 hi, u32 low0, u32 low1)
|
||||
{
|
||||
write_c0_entrylo0(low0);
|
||||
write_c0_pagemask(pagemask);
|
||||
write_c0_entrylo1(low1);
|
||||
write_c0_entryhi(hi);
|
||||
write_c0_index(index);
|
||||
tlb_write_indexed();
|
||||
}
|
||||
|
||||
int cpu_eth_init(bd_t *bis)
|
||||
{
|
||||
#ifdef CONFIG_SOC_AU1X00
|
||||
au1x00_enet_initialize(bis);
|
||||
#endif
|
||||
return 0;
|
||||
}
|
|
@ -0,0 +1,46 @@
|
|||
#
|
||||
# (C) Copyright 2011
|
||||
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
||||
#
|
||||
# See file CREDITS for list of people who contributed to this
|
||||
# project.
|
||||
#
|
||||
# This program is free software; you can redistribute it and/or
|
||||
# modify it under the terms of the GNU General Public License as
|
||||
# published by the Free Software Foundation; either version 2 of
|
||||
# the License, or (at your option) any later version.
|
||||
#
|
||||
# This program is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with this program; if not, write to the Free Software
|
||||
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
# MA 02111-1307 USA
|
||||
#
|
||||
|
||||
include $(TOPDIR)/config.mk
|
||||
|
||||
LIB = $(obj)lib$(SOC).o
|
||||
|
||||
SOBJS = incaip_wdt.o
|
||||
COBJS = incaip_clock.o asc_serial.o
|
||||
|
||||
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
|
||||
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
|
||||
|
||||
all: $(obj).depend $(LIB)
|
||||
|
||||
$(LIB): $(OBJS)
|
||||
$(call cmd_link_o_target, $(OBJS))
|
||||
|
||||
#########################################################################
|
||||
|
||||
# defines $(obj).depend target
|
||||
include $(SRCTREE)/rules.mk
|
||||
|
||||
sinclude $(obj).depend
|
||||
|
||||
#########################################################################
|
|
@ -0,0 +1,285 @@
|
|||
/*
|
||||
* (INCA) ASC UART support
|
||||
*/
|
||||
|
||||
#include <config.h>
|
||||
#include <common.h>
|
||||
#include <asm/inca-ip.h>
|
||||
#include "asc_serial.h"
|
||||
|
||||
|
||||
#define SET_BIT(reg, mask) reg |= (mask)
|
||||
#define CLEAR_BIT(reg, mask) reg &= (~mask)
|
||||
#define CLEAR_BITS(reg, mask) CLEAR_BIT(reg, mask)
|
||||
#define SET_BITS(reg, mask) SET_BIT(reg, mask)
|
||||
#define SET_BITFIELD(reg, mask, off, val) {reg &= (~mask); reg |= (val << off);}
|
||||
|
||||
extern uint incaip_get_fpiclk(void);
|
||||
|
||||
static int serial_setopt (void);
|
||||
|
||||
/* pointer to ASC register base address */
|
||||
static volatile incaAsc_t *pAsc = (incaAsc_t *)INCA_IP_ASC;
|
||||
|
||||
/******************************************************************************
|
||||
*
|
||||
* serial_init - initialize a INCAASC channel
|
||||
*
|
||||
* This routine initializes the number of data bits, parity
|
||||
* and set the selected baud rate. Interrupts are disabled.
|
||||
* Set the modem control signals if the option is selected.
|
||||
*
|
||||
* RETURNS: N/A
|
||||
*/
|
||||
|
||||
int serial_init (void)
|
||||
{
|
||||
/* we have to set PMU.EN13 bit to enable an ASC device*/
|
||||
INCAASC_PMU_ENABLE(13);
|
||||
|
||||
/* and we have to set CLC register*/
|
||||
CLEAR_BIT(pAsc->asc_clc, ASCCLC_DISS);
|
||||
SET_BITFIELD(pAsc->asc_clc, ASCCLC_RMCMASK, ASCCLC_RMCOFFSET, 0x0001);
|
||||
|
||||
/* initialy we are in async mode */
|
||||
pAsc->asc_con = ASCCON_M_8ASYNC;
|
||||
|
||||
/* select input port */
|
||||
pAsc->asc_pisel = (CONSOLE_TTY & 0x1);
|
||||
|
||||
/* TXFIFO's filling level */
|
||||
SET_BITFIELD(pAsc->asc_txfcon, ASCTXFCON_TXFITLMASK,
|
||||
ASCTXFCON_TXFITLOFF, INCAASC_TXFIFO_FL);
|
||||
/* enable TXFIFO */
|
||||
SET_BIT(pAsc->asc_txfcon, ASCTXFCON_TXFEN);
|
||||
|
||||
/* RXFIFO's filling level */
|
||||
SET_BITFIELD(pAsc->asc_txfcon, ASCRXFCON_RXFITLMASK,
|
||||
ASCRXFCON_RXFITLOFF, INCAASC_RXFIFO_FL);
|
||||
/* enable RXFIFO */
|
||||
SET_BIT(pAsc->asc_rxfcon, ASCRXFCON_RXFEN);
|
||||
|
||||
/* enable error signals */
|
||||
SET_BIT(pAsc->asc_con, ASCCON_FEN);
|
||||
SET_BIT(pAsc->asc_con, ASCCON_OEN);
|
||||
|
||||
/* acknowledge ASC interrupts */
|
||||
ASC_INTERRUPTS_CLEAR(INCAASC_IRQ_LINE_ALL);
|
||||
|
||||
/* disable ASC interrupts */
|
||||
ASC_INTERRUPTS_DISABLE(INCAASC_IRQ_LINE_ALL);
|
||||
|
||||
/* set FIFOs into the transparent mode */
|
||||
SET_BIT(pAsc->asc_txfcon, ASCTXFCON_TXTMEN);
|
||||
SET_BIT(pAsc->asc_rxfcon, ASCRXFCON_RXTMEN);
|
||||
|
||||
/* set baud rate */
|
||||
serial_setbrg();
|
||||
|
||||
/* set the options */
|
||||
serial_setopt();
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
void serial_setbrg (void)
|
||||
{
|
||||
ulong uiReloadValue, fdv;
|
||||
ulong f_ASC;
|
||||
|
||||
f_ASC = incaip_get_fpiclk();
|
||||
|
||||
#ifndef INCAASC_USE_FDV
|
||||
fdv = 2;
|
||||
uiReloadValue = (f_ASC / (fdv * 16 * CONFIG_BAUDRATE)) - 1;
|
||||
#else
|
||||
fdv = INCAASC_FDV_HIGH_BAUDRATE;
|
||||
uiReloadValue = (f_ASC / (8192 * CONFIG_BAUDRATE / fdv)) - 1;
|
||||
#endif /* INCAASC_USE_FDV */
|
||||
|
||||
if ( (uiReloadValue < 0) || (uiReloadValue > 8191) )
|
||||
{
|
||||
#ifndef INCAASC_USE_FDV
|
||||
fdv = 3;
|
||||
uiReloadValue = (f_ASC / (fdv * 16 * CONFIG_BAUDRATE)) - 1;
|
||||
#else
|
||||
fdv = INCAASC_FDV_LOW_BAUDRATE;
|
||||
uiReloadValue = (f_ASC / (8192 * CONFIG_BAUDRATE / fdv)) - 1;
|
||||
#endif /* INCAASC_USE_FDV */
|
||||
|
||||
if ( (uiReloadValue < 0) || (uiReloadValue > 8191) )
|
||||
{
|
||||
return; /* can't impossibly generate that baud rate */
|
||||
}
|
||||
}
|
||||
|
||||
/* Disable Baud Rate Generator; BG should only be written when R=0 */
|
||||
CLEAR_BIT(pAsc->asc_con, ASCCON_R);
|
||||
|
||||
#ifndef INCAASC_USE_FDV
|
||||
/*
|
||||
* Disable Fractional Divider (FDE)
|
||||
* Divide clock by reload-value + constant (BRS)
|
||||
*/
|
||||
/* FDE = 0 */
|
||||
CLEAR_BIT(pAsc->asc_con, ASCCON_FDE);
|
||||
|
||||
if ( fdv == 2 )
|
||||
CLEAR_BIT(pAsc->asc_con, ASCCON_BRS); /* BRS = 0 */
|
||||
else
|
||||
SET_BIT(pAsc->asc_con, ASCCON_BRS); /* BRS = 1 */
|
||||
|
||||
#else /* INCAASC_USE_FDV */
|
||||
|
||||
/* Enable Fractional Divider */
|
||||
SET_BIT(pAsc->asc_con, ASCCON_FDE); /* FDE = 1 */
|
||||
|
||||
/* Set fractional divider value */
|
||||
pAsc->asc_fdv = fdv & ASCFDV_VALUE_MASK;
|
||||
|
||||
#endif /* INCAASC_USE_FDV */
|
||||
|
||||
/* Set reload value in BG */
|
||||
pAsc->asc_bg = uiReloadValue;
|
||||
|
||||
/* Enable Baud Rate Generator */
|
||||
SET_BIT(pAsc->asc_con, ASCCON_R); /* R = 1 */
|
||||
}
|
||||
|
||||
/*******************************************************************************
|
||||
*
|
||||
* serial_setopt - set the serial options
|
||||
*
|
||||
* Set the channel operating mode to that specified. Following options
|
||||
* are supported: CREAD, CSIZE, PARENB, and PARODD.
|
||||
*
|
||||
* Note, this routine disables the transmitter. The calling routine
|
||||
* may have to re-enable it.
|
||||
*
|
||||
* RETURNS:
|
||||
* Returns 0 to indicate success, otherwise -1 is returned
|
||||
*/
|
||||
|
||||
static int serial_setopt (void)
|
||||
{
|
||||
ulong con;
|
||||
|
||||
switch ( ASC_OPTIONS & ASCOPT_CSIZE )
|
||||
{
|
||||
/* 7-bit-data */
|
||||
case ASCOPT_CS7:
|
||||
con = ASCCON_M_7ASYNCPAR; /* 7-bit-data and parity bit */
|
||||
break;
|
||||
|
||||
/* 8-bit-data */
|
||||
case ASCOPT_CS8:
|
||||
if ( ASC_OPTIONS & ASCOPT_PARENB )
|
||||
con = ASCCON_M_8ASYNCPAR; /* 8-bit-data and parity bit */
|
||||
else
|
||||
con = ASCCON_M_8ASYNC; /* 8-bit-data no parity */
|
||||
break;
|
||||
|
||||
/*
|
||||
* only 7 and 8-bit frames are supported
|
||||
* if we don't use IOCTL extensions
|
||||
*/
|
||||
default:
|
||||
return -1;
|
||||
}
|
||||
|
||||
if ( ASC_OPTIONS & ASCOPT_STOPB )
|
||||
SET_BIT(con, ASCCON_STP); /* 2 stop bits */
|
||||
else
|
||||
CLEAR_BIT(con, ASCCON_STP); /* 1 stop bit */
|
||||
|
||||
if ( ASC_OPTIONS & ASCOPT_PARENB )
|
||||
SET_BIT(con, ASCCON_PEN); /* enable parity checking */
|
||||
else
|
||||
CLEAR_BIT(con, ASCCON_PEN); /* disable parity checking */
|
||||
|
||||
if ( ASC_OPTIONS & ASCOPT_PARODD )
|
||||
SET_BIT(con, ASCCON_ODD); /* odd parity */
|
||||
else
|
||||
CLEAR_BIT(con, ASCCON_ODD); /* even parity */
|
||||
|
||||
if ( ASC_OPTIONS & ASCOPT_CREAD )
|
||||
SET_BIT(pAsc->asc_whbcon, ASCWHBCON_SETREN); /* Receiver enable */
|
||||
|
||||
pAsc->asc_con |= con;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
void serial_putc (const char c)
|
||||
{
|
||||
uint txFl = 0;
|
||||
|
||||
if (c == '\n') serial_putc ('\r');
|
||||
|
||||
/* check do we have a free space in the TX FIFO */
|
||||
/* get current filling level */
|
||||
do
|
||||
{
|
||||
txFl = ( pAsc->asc_fstat & ASCFSTAT_TXFFLMASK ) >> ASCFSTAT_TXFFLOFF;
|
||||
}
|
||||
while ( txFl == INCAASC_TXFIFO_FULL );
|
||||
|
||||
pAsc->asc_tbuf = c; /* write char to Transmit Buffer Register */
|
||||
|
||||
/* check for errors */
|
||||
if ( pAsc->asc_con & ASCCON_OE )
|
||||
{
|
||||
SET_BIT(pAsc->asc_whbcon, ASCWHBCON_CLROE);
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
void serial_puts (const char *s)
|
||||
{
|
||||
while (*s)
|
||||
{
|
||||
serial_putc (*s++);
|
||||
}
|
||||
}
|
||||
|
||||
int serial_getc (void)
|
||||
{
|
||||
ulong symbol_mask;
|
||||
char c;
|
||||
|
||||
while (!serial_tstc());
|
||||
|
||||
symbol_mask =
|
||||
((ASC_OPTIONS & ASCOPT_CSIZE) == ASCOPT_CS7) ? (0x7f) : (0xff);
|
||||
|
||||
c = (char)(pAsc->asc_rbuf & symbol_mask);
|
||||
|
||||
return c;
|
||||
}
|
||||
|
||||
int serial_tstc (void)
|
||||
{
|
||||
int res = 1;
|
||||
|
||||
if ( (pAsc->asc_fstat & ASCFSTAT_RXFFLMASK) == 0 )
|
||||
{
|
||||
res = 0;
|
||||
}
|
||||
else if ( pAsc->asc_con & ASCCON_FE )
|
||||
{
|
||||
SET_BIT(pAsc->asc_whbcon, ASCWHBCON_CLRFE);
|
||||
res = 0;
|
||||
}
|
||||
else if ( pAsc->asc_con & ASCCON_PE )
|
||||
{
|
||||
SET_BIT(pAsc->asc_whbcon, ASCWHBCON_CLRPE);
|
||||
res = 0;
|
||||
}
|
||||
else if ( pAsc->asc_con & ASCCON_OE )
|
||||
{
|
||||
SET_BIT(pAsc->asc_whbcon, ASCWHBCON_CLROE);
|
||||
res = 0;
|
||||
}
|
||||
|
||||
return res;
|
||||
}
|
|
@ -0,0 +1,177 @@
|
|||
/* incaAscSio.h - (INCA) ASC UART tty driver header */
|
||||
|
||||
#ifndef __INCincaAscSioh
|
||||
#define __INCincaAscSioh
|
||||
|
||||
#include <asm/inca-ip.h>
|
||||
|
||||
/* channel operating modes */
|
||||
#define ASCOPT_CSIZE 0x00000003
|
||||
#define ASCOPT_CS7 0x00000001
|
||||
#define ASCOPT_CS8 0x00000002
|
||||
#define ASCOPT_PARENB 0x00000004
|
||||
#define ASCOPT_STOPB 0x00000008
|
||||
#define ASCOPT_PARODD 0x00000010
|
||||
#define ASCOPT_CREAD 0x00000020
|
||||
|
||||
#define ASC_OPTIONS (ASCOPT_CREAD | ASCOPT_CS8)
|
||||
|
||||
/* ASC input select (0 or 1) */
|
||||
#define CONSOLE_TTY 0
|
||||
|
||||
/* use fractional divider for baudrate settings */
|
||||
#define INCAASC_USE_FDV
|
||||
|
||||
#ifdef INCAASC_USE_FDV
|
||||
#define INCAASC_FDV_LOW_BAUDRATE 71
|
||||
#define INCAASC_FDV_HIGH_BAUDRATE 453
|
||||
#endif /*INCAASC_USE_FDV*/
|
||||
|
||||
|
||||
#define INCAASC_TXFIFO_FL 1
|
||||
#define INCAASC_RXFIFO_FL 1
|
||||
#define INCAASC_TXFIFO_FULL 16
|
||||
|
||||
/* interrupt lines masks for the ASC device interrupts*/
|
||||
/* change these macroses if it's necessary */
|
||||
#define INCAASC_IRQ_LINE_ALL 0x000F0000 /* all IRQs */
|
||||
|
||||
#define INCAASC_IRQ_LINE_TIR 0x00010000 /* TIR - Tx */
|
||||
#define INCAASC_IRQ_LINE_RIR 0x00020000 /* RIR - Rx */
|
||||
#define INCAASC_IRQ_LINE_EIR 0x00040000 /* EIR - Err */
|
||||
#define INCAASC_IRQ_LINE_TBIR 0x00080000 /* TBIR - Tx Buf*/
|
||||
|
||||
/* interrupt controller access macros */
|
||||
#define ASC_INTERRUPTS_ENABLE(X) \
|
||||
*((volatile unsigned int*) INCA_IP_ICU_IM2_IER) |= X;
|
||||
#define ASC_INTERRUPTS_DISABLE(X) \
|
||||
*((volatile unsigned int*) INCA_IP_ICU_IM2_IER) &= ~X;
|
||||
#define ASC_INTERRUPTS_CLEAR(X) \
|
||||
*((volatile unsigned int*) INCA_IP_ICU_IM2_ISR) = X;
|
||||
|
||||
/* CLC register's bits and bitfields */
|
||||
#define ASCCLC_DISR 0x00000001
|
||||
#define ASCCLC_DISS 0x00000002
|
||||
#define ASCCLC_RMCMASK 0x0000FF00
|
||||
#define ASCCLC_RMCOFFSET 8
|
||||
|
||||
/* CON register's bits and bitfields */
|
||||
#define ASCCON_MODEMASK 0x0007
|
||||
#define ASCCON_M_8SYNC 0x0
|
||||
#define ASCCON_M_8ASYNC 0x1
|
||||
#define ASCCON_M_8IRDAASYNC 0x2
|
||||
#define ASCCON_M_7ASYNCPAR 0x3
|
||||
#define ASCCON_M_9ASYNC 0x4
|
||||
#define ASCCON_M_8WAKEUPASYNC 0x5
|
||||
#define ASCCON_M_8ASYNCPAR 0x7
|
||||
#define ASCCON_STP 0x0008
|
||||
#define ASCCON_REN 0x0010
|
||||
#define ASCCON_PEN 0x0020
|
||||
#define ASCCON_FEN 0x0040
|
||||
#define ASCCON_OEN 0x0080
|
||||
#define ASCCON_PE 0x0100
|
||||
#define ASCCON_FE 0x0200
|
||||
#define ASCCON_OE 0x0400
|
||||
#define ASCCON_FDE 0x0800
|
||||
#define ASCCON_ODD 0x1000
|
||||
#define ASCCON_BRS 0x2000
|
||||
#define ASCCON_LB 0x4000
|
||||
#define ASCCON_R 0x8000
|
||||
|
||||
/* WHBCON register's bits and bitfields */
|
||||
#define ASCWHBCON_CLRREN 0x0010
|
||||
#define ASCWHBCON_SETREN 0x0020
|
||||
#define ASCWHBCON_CLRPE 0x0100
|
||||
#define ASCWHBCON_CLRFE 0x0200
|
||||
#define ASCWHBCON_CLROE 0x0400
|
||||
#define ASCWHBCON_SETPE 0x0800
|
||||
#define ASCWHBCON_SETFE 0x1000
|
||||
#define ASCWHBCON_SETOE 0x2000
|
||||
|
||||
/* ABCON register's bits and bitfields */
|
||||
#define ASCABCON_ABEN 0x0001
|
||||
#define ASCABCON_AUREN 0x0002
|
||||
#define ASCABCON_ABSTEN 0x0004
|
||||
#define ASCABCON_ABDETEN 0x0008
|
||||
#define ASCABCON_FCDETEN 0x0010
|
||||
#define ASCABCON_EMMASK 0x0300
|
||||
#define ASCABCON_EMOFF 8
|
||||
#define ASCABCON_EM_DISAB 0x0
|
||||
#define ASCABCON_EM_DURAB 0x1
|
||||
#define ASCABCON_EM_ALWAYS 0x2
|
||||
#define ASCABCON_TXINV 0x0400
|
||||
#define ASCABCON_RXINV 0x0800
|
||||
|
||||
/* FDV register mask, offset and bitfields*/
|
||||
#define ASCFDV_VALUE_MASK 0x000001FF
|
||||
|
||||
/* WHBABCON register's bits and bitfields */
|
||||
#define ASCWHBABCON_SETABEN 0x0001
|
||||
#define ASCWHBABCON_CLRABEN 0x0002
|
||||
|
||||
/* ABSTAT register's bits and bitfields */
|
||||
#define ASCABSTAT_FCSDET 0x0001
|
||||
#define ASCABSTAT_FCCDET 0x0002
|
||||
#define ASCABSTAT_SCSDET 0x0004
|
||||
#define ASCABSTAT_SCCDET 0x0008
|
||||
#define ASCABSTAT_DETWAIT 0x0010
|
||||
|
||||
/* WHBABSTAT register's bits and bitfields */
|
||||
#define ASCWHBABSTAT_CLRFCSDET 0x0001
|
||||
#define ASCWHBABSTAT_SETFCSDET 0x0002
|
||||
#define ASCWHBABSTAT_CLRFCCDET 0x0004
|
||||
#define ASCWHBABSTAT_SETFCCDET 0x0008
|
||||
#define ASCWHBABSTAT_CLRSCSDET 0x0010
|
||||
#define ASCWHBABSTAT_SETSCSDET 0x0020
|
||||
#define ASCWHBABSTAT_SETSCCDET 0x0040
|
||||
#define ASCWHBABSTAT_CLRSCCDET 0x0080
|
||||
#define ASCWHBABSTAT_CLRDETWAIT 0x0100
|
||||
#define ASCWHBABSTAT_SETDETWAIT 0x0200
|
||||
|
||||
/* TXFCON register's bits and bitfields */
|
||||
#define ASCTXFCON_TXFEN 0x0001
|
||||
#define ASCTXFCON_TXFFLU 0x0002
|
||||
#define ASCTXFCON_TXTMEN 0x0004
|
||||
#define ASCTXFCON_TXFITLMASK 0x3F00
|
||||
#define ASCTXFCON_TXFITLOFF 8
|
||||
|
||||
/* RXFCON register's bits and bitfields */
|
||||
#define ASCRXFCON_RXFEN 0x0001
|
||||
#define ASCRXFCON_RXFFLU 0x0002
|
||||
#define ASCRXFCON_RXTMEN 0x0004
|
||||
#define ASCRXFCON_RXFITLMASK 0x3F00
|
||||
#define ASCRXFCON_RXFITLOFF 8
|
||||
|
||||
/* FSTAT register's bits and bitfields */
|
||||
#define ASCFSTAT_RXFFLMASK 0x003F
|
||||
#define ASCFSTAT_TXFFLMASK 0x3F00
|
||||
#define ASCFSTAT_TXFFLOFF 8
|
||||
|
||||
#define INCAASC_PMU_ENABLE(BIT) *((volatile ulong*)0xBF102000) |= (0x1 << BIT);
|
||||
|
||||
typedef struct /* incaAsc_t */
|
||||
{
|
||||
volatile unsigned long asc_clc; /*0x0000*/
|
||||
volatile unsigned long asc_pisel; /*0x0004*/
|
||||
volatile unsigned long asc_rsvd1[2]; /* for mapping */ /*0x0008*/
|
||||
volatile unsigned long asc_con; /*0x0010*/
|
||||
volatile unsigned long asc_bg; /*0x0014*/
|
||||
volatile unsigned long asc_fdv; /*0x0018*/
|
||||
volatile unsigned long asc_pmw; /* not used */ /*0x001C*/
|
||||
volatile unsigned long asc_tbuf; /*0x0020*/
|
||||
volatile unsigned long asc_rbuf; /*0x0024*/
|
||||
volatile unsigned long asc_rsvd2[2]; /* for mapping */ /*0x0028*/
|
||||
volatile unsigned long asc_abcon; /*0x0030*/
|
||||
volatile unsigned long asc_abstat; /* not used */ /*0x0034*/
|
||||
volatile unsigned long asc_rsvd3[2]; /* for mapping */ /*0x0038*/
|
||||
volatile unsigned long asc_rxfcon; /*0x0040*/
|
||||
volatile unsigned long asc_txfcon; /*0x0044*/
|
||||
volatile unsigned long asc_fstat; /*0x0048*/
|
||||
volatile unsigned long asc_rsvd4; /* for mapping */ /*0x004C*/
|
||||
volatile unsigned long asc_whbcon; /*0x0050*/
|
||||
volatile unsigned long asc_whbabcon; /*0x0054*/
|
||||
volatile unsigned long asc_whbabstat; /* not used */ /*0x0058*/
|
||||
|
||||
} incaAsc_t;
|
||||
|
||||
#endif /* __INCincaAscSioh */
|
|
@ -0,0 +1,24 @@
|
|||
#
|
||||
# (C) Copyright 2011
|
||||
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
||||
#
|
||||
# See file CREDITS for list of people who contributed to this
|
||||
# project.
|
||||
#
|
||||
# This program is free software; you can redistribute it and/or
|
||||
# modify it under the terms of the GNU General Public License as
|
||||
# published by the Free Software Foundation; either version 2 of
|
||||
# the License, or (at your option) any later version.
|
||||
#
|
||||
# This program is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with this program; if not, write to the Free Software
|
||||
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
# MA 02111-1307 USA
|
||||
#
|
||||
|
||||
PLATFORM_CPPFLAGS += -mtune=4kc
|
|
@ -0,0 +1,116 @@
|
|||
/*
|
||||
* (C) Copyright 2003
|
||||
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
||||
*
|
||||
* See file CREDITS for list of people who contributed to this
|
||||
* project.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License as
|
||||
* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
* MA 02111-1307 USA
|
||||
*/
|
||||
|
||||
#include <common.h>
|
||||
#include <asm/inca-ip.h>
|
||||
|
||||
|
||||
/*******************************************************************************
|
||||
*
|
||||
* get_cpuclk - returns the frequency of the CPU.
|
||||
*
|
||||
* Gets the value directly from the INCA-IP hardware.
|
||||
*
|
||||
* RETURNS:
|
||||
* 150.000.000 for 150 MHz
|
||||
* 133.333.333 for 133 MHz (= 400MHz/3)
|
||||
* 100.000.000 for 100 MHz (= 400MHz/4)
|
||||
* NOTE:
|
||||
* This functions should be used by the hardware driver to get the correct
|
||||
* frequency of the CPU. Don't use the macros, which are set to init the CPU
|
||||
* frequency in the ROM code.
|
||||
*/
|
||||
uint incaip_get_cpuclk (void)
|
||||
{
|
||||
/*-------------------------------------------------------------------------*/
|
||||
/* CPU Clock Input Multiplexer (MUX I) */
|
||||
/* Multiplexer MUX I selects the maximum input clock to the CPU. */
|
||||
/*-------------------------------------------------------------------------*/
|
||||
if (*((volatile ulong *) INCA_IP_CGU_CGU_MUXCR) &
|
||||
INCA_IP_CGU_CGU_MUXCR_MUXI) {
|
||||
/* MUX I set to 150 MHz clock */
|
||||
return 150000000;
|
||||
} else {
|
||||
/* MUX I set to 100/133 MHz clock */
|
||||
if (*((volatile ulong *) INCA_IP_CGU_CGU_DIVCR) & 0x40) {
|
||||
/* Division value is 1/3, maximum CPU operating */
|
||||
/* frequency is 133.3 MHz */
|
||||
return 133333333;
|
||||
} else {
|
||||
/* Division value is 1/4, maximum CPU operating */
|
||||
/* frequency is 100 MHz */
|
||||
return 100000000;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/*******************************************************************************
|
||||
*
|
||||
* get_fpiclk - returns the frequency of the FPI bus.
|
||||
*
|
||||
* Gets the value directly from the INCA-IP hardware.
|
||||
*
|
||||
* RETURNS: Frquency in Hz
|
||||
*
|
||||
* NOTE:
|
||||
* This functions should be used by the hardware driver to get the correct
|
||||
* frequency of the CPU. Don't use the macros, which are set to init the CPU
|
||||
* frequency in the ROM code.
|
||||
* The calculation for the
|
||||
*/
|
||||
uint incaip_get_fpiclk (void)
|
||||
{
|
||||
uint clkCPU;
|
||||
|
||||
clkCPU = incaip_get_cpuclk ();
|
||||
|
||||
switch (*((volatile ulong *) INCA_IP_CGU_CGU_DIVCR) & 0xC) {
|
||||
case 0x4:
|
||||
return clkCPU >> 1; /* devided by 2 */
|
||||
break;
|
||||
case 0x8:
|
||||
return clkCPU >> 2; /* devided by 4 */
|
||||
break;
|
||||
default:
|
||||
return clkCPU;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
int incaip_set_cpuclk (void)
|
||||
{
|
||||
extern void ebu_init(long);
|
||||
extern void cgu_init(long);
|
||||
extern void sdram_init(long);
|
||||
char tmp[64];
|
||||
ulong cpuclk;
|
||||
|
||||
if (getenv_f("cpuclk", tmp, sizeof (tmp)) > 0) {
|
||||
cpuclk = simple_strtoul (tmp, NULL, 10) * 1000000;
|
||||
cgu_init (cpuclk);
|
||||
ebu_init (cpuclk);
|
||||
sdram_init (cpuclk);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
|
@ -0,0 +1,71 @@
|
|||
/*
|
||||
* INCA-IP Watchdog timer management code.
|
||||
*
|
||||
* Copyright (c) 2003 Wolfgang Denk <wd@denx.de>
|
||||
*
|
||||
* See file CREDITS for list of people who contributed to this
|
||||
* project.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License as
|
||||
* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
* MA 02111-1307 USA
|
||||
*/
|
||||
|
||||
|
||||
#include <config.h>
|
||||
#include <asm/regdef.h>
|
||||
|
||||
|
||||
#define WD_BASE 0xb8000000
|
||||
#define WD_CON0(value) 0x0020(value)
|
||||
#define WD_CON1(value) 0x0024(value)
|
||||
#define WD_DISABLE 0x00000008
|
||||
#define WD_ENABLE 0x00000000
|
||||
#define WD_WRITE_PW 0xFFFC00F8
|
||||
#define WD_WRITE_ENDINIT 0xFFFC00F3
|
||||
#define WD_WRITE_INIT 0xFFFC00F2
|
||||
|
||||
|
||||
.globl disable_incaip_wdt
|
||||
disable_incaip_wdt:
|
||||
li t0, WD_BASE
|
||||
|
||||
/* Calculate password.
|
||||
*/
|
||||
lw t2, WD_CON1(t0)
|
||||
and t2, 0xC
|
||||
|
||||
lw t3, WD_CON0(t0)
|
||||
and t3, 0xFFFFFF01
|
||||
|
||||
or t3, t2
|
||||
or t3, 0xF0
|
||||
|
||||
sw t3, WD_CON0(t0) /* write password */
|
||||
|
||||
/* Clear ENDINIT.
|
||||
*/
|
||||
li t1, WD_WRITE_INIT
|
||||
sw t1, WD_CON0(t0)
|
||||
|
||||
|
||||
li t1, WD_DISABLE
|
||||
sw t1, WD_CON1(t0) /* disable watchdog */
|
||||
li t1, WD_WRITE_PW
|
||||
sw t1, WD_CON0(t0) /* write password */
|
||||
li t1, WD_WRITE_ENDINIT
|
||||
sw t1, WD_CON0(t0) /* end command */
|
||||
|
||||
jr ra
|
||||
nop
|
|
@ -0,0 +1,33 @@
|
|||
/*
|
||||
* (C) Copyright 2003
|
||||
* Wolfgang Denk, DENX Software Engineering, <wd@denx.de>
|
||||
*
|
||||
* See file CREDITS for list of people who contributed to this
|
||||
* project.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License as
|
||||
* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
* MA 02111-1307 USA
|
||||
*/
|
||||
|
||||
#include <common.h>
|
||||
|
||||
void enable_interrupts(void)
|
||||
{
|
||||
}
|
||||
|
||||
int disable_interrupts(void)
|
||||
{
|
||||
return 0;
|
||||
}
|
385
6.1/package/boot/uboot-ipq40xx/src/arch/mips/cpu/mips32/start.S
Normal file
385
6.1/package/boot/uboot-ipq40xx/src/arch/mips/cpu/mips32/start.S
Normal file
|
@ -0,0 +1,385 @@
|
|||
/*
|
||||
* Startup Code for MIPS32 CPU-core
|
||||
*
|
||||
* Copyright (c) 2003 Wolfgang Denk <wd@denx.de>
|
||||
*
|
||||
* See file CREDITS for list of people who contributed to this
|
||||
* project.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License as
|
||||
* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
* MA 02111-1307 USA
|
||||
*/
|
||||
|
||||
#include <asm-offsets.h>
|
||||
#include <config.h>
|
||||
#include <asm/regdef.h>
|
||||
#include <asm/mipsregs.h>
|
||||
|
||||
#ifndef CONFIG_SYS_MIPS_CACHE_MODE
|
||||
#define CONFIG_SYS_MIPS_CACHE_MODE CONF_CM_CACHABLE_NONCOHERENT
|
||||
#endif
|
||||
|
||||
/*
|
||||
* For the moment disable interrupts, mark the kernel mode and
|
||||
* set ST0_KX so that the CPU does not spit fire when using
|
||||
* 64-bit addresses.
|
||||
*/
|
||||
.macro setup_c0_status set clr
|
||||
.set push
|
||||
mfc0 t0, CP0_STATUS
|
||||
or t0, ST0_CU0 | \set | 0x1f | \clr
|
||||
xor t0, 0x1f | \clr
|
||||
mtc0 t0, CP0_STATUS
|
||||
.set noreorder
|
||||
sll zero, 3 # ehb
|
||||
.set pop
|
||||
.endm
|
||||
|
||||
.macro setup_c0_status_reset
|
||||
#ifdef CONFIG_64BIT
|
||||
setup_c0_status ST0_KX 0
|
||||
#else
|
||||
setup_c0_status 0 0
|
||||
#endif
|
||||
.endm
|
||||
|
||||
#define RVECENT(f,n) \
|
||||
b f; nop
|
||||
#define XVECENT(f,bev) \
|
||||
b f ; \
|
||||
li k0,bev
|
||||
|
||||
.set noreorder
|
||||
|
||||
.globl _start
|
||||
.text
|
||||
_start:
|
||||
RVECENT(reset,0) # U-boot entry point
|
||||
RVECENT(reset,1) # software reboot
|
||||
#ifdef CONFIG_SYS_XWAY_EBU_BOOTCFG
|
||||
/*
|
||||
* Almost all Lantiq XWAY SoC devices have an external bus unit (EBU) to
|
||||
* access external NOR flashes. If the board boots from NOR flash the
|
||||
* internal BootROM does a blind read at address 0xB0000010 to read the
|
||||
* initial configuration for that EBU in order to access the flash
|
||||
* device with correct parameters. This config option is board-specific.
|
||||
*/
|
||||
.word CONFIG_SYS_XWAY_EBU_BOOTCFG
|
||||
.word 0x00000000
|
||||
#else
|
||||
RVECENT(romReserved,2)
|
||||
#endif
|
||||
RVECENT(romReserved,3)
|
||||
RVECENT(romReserved,4)
|
||||
RVECENT(romReserved,5)
|
||||
RVECENT(romReserved,6)
|
||||
RVECENT(romReserved,7)
|
||||
RVECENT(romReserved,8)
|
||||
RVECENT(romReserved,9)
|
||||
RVECENT(romReserved,10)
|
||||
RVECENT(romReserved,11)
|
||||
RVECENT(romReserved,12)
|
||||
RVECENT(romReserved,13)
|
||||
RVECENT(romReserved,14)
|
||||
RVECENT(romReserved,15)
|
||||
RVECENT(romReserved,16)
|
||||
RVECENT(romReserved,17)
|
||||
RVECENT(romReserved,18)
|
||||
RVECENT(romReserved,19)
|
||||
RVECENT(romReserved,20)
|
||||
RVECENT(romReserved,21)
|
||||
RVECENT(romReserved,22)
|
||||
RVECENT(romReserved,23)
|
||||
RVECENT(romReserved,24)
|
||||
RVECENT(romReserved,25)
|
||||
RVECENT(romReserved,26)
|
||||
RVECENT(romReserved,27)
|
||||
RVECENT(romReserved,28)
|
||||
RVECENT(romReserved,29)
|
||||
RVECENT(romReserved,30)
|
||||
RVECENT(romReserved,31)
|
||||
RVECENT(romReserved,32)
|
||||
RVECENT(romReserved,33)
|
||||
RVECENT(romReserved,34)
|
||||
RVECENT(romReserved,35)
|
||||
RVECENT(romReserved,36)
|
||||
RVECENT(romReserved,37)
|
||||
RVECENT(romReserved,38)
|
||||
RVECENT(romReserved,39)
|
||||
RVECENT(romReserved,40)
|
||||
RVECENT(romReserved,41)
|
||||
RVECENT(romReserved,42)
|
||||
RVECENT(romReserved,43)
|
||||
RVECENT(romReserved,44)
|
||||
RVECENT(romReserved,45)
|
||||
RVECENT(romReserved,46)
|
||||
RVECENT(romReserved,47)
|
||||
RVECENT(romReserved,48)
|
||||
RVECENT(romReserved,49)
|
||||
RVECENT(romReserved,50)
|
||||
RVECENT(romReserved,51)
|
||||
RVECENT(romReserved,52)
|
||||
RVECENT(romReserved,53)
|
||||
RVECENT(romReserved,54)
|
||||
RVECENT(romReserved,55)
|
||||
RVECENT(romReserved,56)
|
||||
RVECENT(romReserved,57)
|
||||
RVECENT(romReserved,58)
|
||||
RVECENT(romReserved,59)
|
||||
RVECENT(romReserved,60)
|
||||
RVECENT(romReserved,61)
|
||||
RVECENT(romReserved,62)
|
||||
RVECENT(romReserved,63)
|
||||
XVECENT(romExcHandle,0x200) # bfc00200: R4000 tlbmiss vector
|
||||
RVECENT(romReserved,65)
|
||||
RVECENT(romReserved,66)
|
||||
RVECENT(romReserved,67)
|
||||
RVECENT(romReserved,68)
|
||||
RVECENT(romReserved,69)
|
||||
RVECENT(romReserved,70)
|
||||
RVECENT(romReserved,71)
|
||||
RVECENT(romReserved,72)
|
||||
RVECENT(romReserved,73)
|
||||
RVECENT(romReserved,74)
|
||||
RVECENT(romReserved,75)
|
||||
RVECENT(romReserved,76)
|
||||
RVECENT(romReserved,77)
|
||||
RVECENT(romReserved,78)
|
||||
RVECENT(romReserved,79)
|
||||
XVECENT(romExcHandle,0x280) # bfc00280: R4000 xtlbmiss vector
|
||||
RVECENT(romReserved,81)
|
||||
RVECENT(romReserved,82)
|
||||
RVECENT(romReserved,83)
|
||||
RVECENT(romReserved,84)
|
||||
RVECENT(romReserved,85)
|
||||
RVECENT(romReserved,86)
|
||||
RVECENT(romReserved,87)
|
||||
RVECENT(romReserved,88)
|
||||
RVECENT(romReserved,89)
|
||||
RVECENT(romReserved,90)
|
||||
RVECENT(romReserved,91)
|
||||
RVECENT(romReserved,92)
|
||||
RVECENT(romReserved,93)
|
||||
RVECENT(romReserved,94)
|
||||
RVECENT(romReserved,95)
|
||||
XVECENT(romExcHandle,0x300) # bfc00300: R4000 cache vector
|
||||
RVECENT(romReserved,97)
|
||||
RVECENT(romReserved,98)
|
||||
RVECENT(romReserved,99)
|
||||
RVECENT(romReserved,100)
|
||||
RVECENT(romReserved,101)
|
||||
RVECENT(romReserved,102)
|
||||
RVECENT(romReserved,103)
|
||||
RVECENT(romReserved,104)
|
||||
RVECENT(romReserved,105)
|
||||
RVECENT(romReserved,106)
|
||||
RVECENT(romReserved,107)
|
||||
RVECENT(romReserved,108)
|
||||
RVECENT(romReserved,109)
|
||||
RVECENT(romReserved,110)
|
||||
RVECENT(romReserved,111)
|
||||
XVECENT(romExcHandle,0x380) # bfc00380: R4000 general vector
|
||||
RVECENT(romReserved,113)
|
||||
RVECENT(romReserved,114)
|
||||
RVECENT(romReserved,115)
|
||||
RVECENT(romReserved,116)
|
||||
RVECENT(romReserved,116)
|
||||
RVECENT(romReserved,118)
|
||||
RVECENT(romReserved,119)
|
||||
RVECENT(romReserved,120)
|
||||
RVECENT(romReserved,121)
|
||||
RVECENT(romReserved,122)
|
||||
RVECENT(romReserved,123)
|
||||
RVECENT(romReserved,124)
|
||||
RVECENT(romReserved,125)
|
||||
RVECENT(romReserved,126)
|
||||
RVECENT(romReserved,127)
|
||||
|
||||
/*
|
||||
* We hope there are no more reserved vectors!
|
||||
* 128 * 8 == 1024 == 0x400
|
||||
* so this is address R_VEC+0x400 == 0xbfc00400
|
||||
*/
|
||||
.align 4
|
||||
reset:
|
||||
|
||||
/* Clear watch registers */
|
||||
mtc0 zero, CP0_WATCHLO
|
||||
mtc0 zero, CP0_WATCHHI
|
||||
|
||||
/* WP(Watch Pending), SW0/1 should be cleared */
|
||||
mtc0 zero, CP0_CAUSE
|
||||
|
||||
setup_c0_status_reset
|
||||
|
||||
/* Init Timer */
|
||||
mtc0 zero, CP0_COUNT
|
||||
mtc0 zero, CP0_COMPARE
|
||||
|
||||
#ifndef CONFIG_SKIP_LOWLEVEL_INIT
|
||||
/* CONFIG0 register */
|
||||
li t0, CONF_CM_UNCACHED
|
||||
mtc0 t0, CP0_CONFIG
|
||||
#endif
|
||||
|
||||
/* Initialize $gp */
|
||||
bal 1f
|
||||
nop
|
||||
.word _gp
|
||||
1:
|
||||
lw gp, 0(ra)
|
||||
|
||||
#ifndef CONFIG_SKIP_LOWLEVEL_INIT
|
||||
/* Initialize any external memory */
|
||||
la t9, lowlevel_init
|
||||
jalr t9
|
||||
nop
|
||||
|
||||
/* Initialize caches... */
|
||||
la t9, mips_cache_reset
|
||||
jalr t9
|
||||
nop
|
||||
|
||||
/* ... and enable them */
|
||||
li t0, CONFIG_SYS_MIPS_CACHE_MODE
|
||||
mtc0 t0, CP0_CONFIG
|
||||
#endif
|
||||
|
||||
/* Set up temporary stack */
|
||||
li t0, CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_INIT_SP_OFFSET
|
||||
la sp, 0(t0)
|
||||
|
||||
la t9, board_init_f
|
||||
jr t9
|
||||
nop
|
||||
|
||||
/*
|
||||
* void relocate_code (addr_sp, gd, addr_moni)
|
||||
*
|
||||
* This "function" does not return, instead it continues in RAM
|
||||
* after relocating the monitor code.
|
||||
*
|
||||
* a0 = addr_sp
|
||||
* a1 = gd
|
||||
* a2 = destination address
|
||||
*/
|
||||
.globl relocate_code
|
||||
.ent relocate_code
|
||||
relocate_code:
|
||||
move sp, a0 # set new stack pointer
|
||||
|
||||
li t0, CONFIG_SYS_MONITOR_BASE
|
||||
la t3, in_ram
|
||||
lw t2, -12(t3) # t2 <-- uboot_end_data
|
||||
move t1, a2
|
||||
move s2, a2 # s2 <-- destination address
|
||||
|
||||
/*
|
||||
* Fix $gp:
|
||||
*
|
||||
* New $gp = (Old $gp - CONFIG_SYS_MONITOR_BASE) + Destination Address
|
||||
*/
|
||||
move t6, gp
|
||||
sub gp, CONFIG_SYS_MONITOR_BASE
|
||||
add gp, a2 # gp now adjusted
|
||||
sub s1, gp, t6 # s1 <-- relocation offset
|
||||
|
||||
/*
|
||||
* t0 = source address
|
||||
* t1 = target address
|
||||
* t2 = source end address
|
||||
*/
|
||||
|
||||
/*
|
||||
* Save destination address and size for later usage in flush_cache()
|
||||
*/
|
||||
move s0, a1 # save gd in s0
|
||||
move a0, t1 # a0 <-- destination addr
|
||||
sub a1, t2, t0 # a1 <-- size
|
||||
|
||||
1:
|
||||
lw t3, 0(t0)
|
||||
sw t3, 0(t1)
|
||||
addu t0, 4
|
||||
ble t0, t2, 1b
|
||||
addu t1, 4
|
||||
|
||||
/* If caches were enabled, we would have to flush them here. */
|
||||
|
||||
/* a0 & a1 are already set up for flush_cache(start, size) */
|
||||
la t9, flush_cache
|
||||
jalr t9
|
||||
nop
|
||||
|
||||
/* Jump to where we've relocated ourselves */
|
||||
addi t0, s2, in_ram - _start
|
||||
jr t0
|
||||
nop
|
||||
|
||||
.word _gp
|
||||
.word _GLOBAL_OFFSET_TABLE_
|
||||
.word uboot_end_data
|
||||
.word uboot_end
|
||||
.word num_got_entries
|
||||
|
||||
in_ram:
|
||||
/*
|
||||
* Now we want to update GOT.
|
||||
*
|
||||
* GOT[0] is reserved. GOT[1] is also reserved for the dynamic object
|
||||
* generated by GNU ld. Skip these reserved entries from relocation.
|
||||
*/
|
||||
lw t3, -4(t0) # t3 <-- num_got_entries
|
||||
lw t4, -16(t0) # t4 <-- _GLOBAL_OFFSET_TABLE_
|
||||
lw t5, -20(t0) # t5 <-- _gp
|
||||
sub t4, t5 # compute offset
|
||||
add t4, t4, gp # t4 now holds relocated _G_O_T_
|
||||
addi t4, t4, 8 # skipping first two entries
|
||||
li t2, 2
|
||||
1:
|
||||
lw t1, 0(t4)
|
||||
beqz t1, 2f
|
||||
add t1, s1
|
||||
sw t1, 0(t4)
|
||||
2:
|
||||
addi t2, 1
|
||||
blt t2, t3, 1b
|
||||
addi t4, 4
|
||||
|
||||
/* Clear BSS */
|
||||
lw t1, -12(t0) # t1 <-- uboot_end_data
|
||||
lw t2, -8(t0) # t2 <-- uboot_end
|
||||
add t1, s1 # adjust pointers
|
||||
add t2, s1
|
||||
|
||||
sub t1, 4
|
||||
1:
|
||||
addi t1, 4
|
||||
bltl t1, t2, 1b
|
||||
sw zero, 0(t1)
|
||||
|
||||
move a0, s0 # a0 <-- gd
|
||||
la t9, board_init_r
|
||||
jr t9
|
||||
move a1, s2
|
||||
|
||||
.end relocate_code
|
||||
|
||||
/* Exception handlers */
|
||||
romReserved:
|
||||
b romReserved
|
||||
|
||||
romExcHandle:
|
||||
b romExcHandle
|
|
@ -0,0 +1,86 @@
|
|||
/*
|
||||
* (C) Copyright 2003
|
||||
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
||||
*
|
||||
* See file CREDITS for list of people who contributed to this
|
||||
* project.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License as
|
||||
* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
* MA 02111-1307 USA
|
||||
*/
|
||||
|
||||
#include <common.h>
|
||||
#include <asm/mipsregs.h>
|
||||
|
||||
static unsigned long timestamp;
|
||||
|
||||
/* how many counter cycles in a jiffy */
|
||||
#define CYCLES_PER_JIFFY (CONFIG_SYS_MIPS_TIMER_FREQ + CONFIG_SYS_HZ / 2) / CONFIG_SYS_HZ
|
||||
|
||||
/*
|
||||
* timer without interrupts
|
||||
*/
|
||||
|
||||
int timer_init(void)
|
||||
{
|
||||
/* Set up the timer for the first expiration. */
|
||||
timestamp = 0;
|
||||
write_c0_compare(read_c0_count() + CYCLES_PER_JIFFY);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
ulong get_timer(ulong base)
|
||||
{
|
||||
unsigned int count;
|
||||
unsigned int expirelo = read_c0_compare();
|
||||
|
||||
/* Check to see if we have missed any timestamps. */
|
||||
count = read_c0_count();
|
||||
while ((count - expirelo) < 0x7fffffff) {
|
||||
expirelo += CYCLES_PER_JIFFY;
|
||||
timestamp++;
|
||||
}
|
||||
write_c0_compare(expirelo);
|
||||
|
||||
return (timestamp - base);
|
||||
}
|
||||
|
||||
void __udelay(unsigned long usec)
|
||||
{
|
||||
unsigned int tmo;
|
||||
|
||||
tmo = read_c0_count() + (usec * (CONFIG_SYS_MIPS_TIMER_FREQ / 1000000));
|
||||
while ((tmo - read_c0_count()) < 0x7fffffff)
|
||||
/*NOP*/;
|
||||
}
|
||||
|
||||
/*
|
||||
* This function is derived from PowerPC code (read timebase as long long).
|
||||
* On MIPS it just returns the timer value.
|
||||
*/
|
||||
unsigned long long get_ticks(void)
|
||||
{
|
||||
return get_timer(0);
|
||||
}
|
||||
|
||||
/*
|
||||
* This function is derived from PowerPC code (timebase clock frequency).
|
||||
* On MIPS it returns the number of timer ticks per second.
|
||||
*/
|
||||
ulong get_tbclk(void)
|
||||
{
|
||||
return CONFIG_SYS_HZ;
|
||||
}
|
|
@ -0,0 +1,49 @@
|
|||
#
|
||||
# Copyright (C) 2011 Xiangfu Liu <xiangfu@openmobilefree.net>
|
||||
#
|
||||
# See file CREDITS for list of people who contributed to this
|
||||
# project.
|
||||
#
|
||||
# This program is free software; you can redistribute it and/or
|
||||
# modify it under the terms of the GNU General Public License as
|
||||
# published by the Free Software Foundation; either version 2 of
|
||||
# the License, or (at your option) any later version.
|
||||
#
|
||||
# This program is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with this program; if not, write to the Free Software
|
||||
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
# MA 02111-1307 USA
|
||||
#
|
||||
|
||||
include $(TOPDIR)/config.mk
|
||||
|
||||
LIB = $(obj)lib$(CPU).o
|
||||
|
||||
START = start.o
|
||||
SOBJS-y =
|
||||
COBJS-y = cpu.o timer.o jz_serial.o
|
||||
|
||||
COBJS-$(CONFIG_JZ4740) += jz4740.o
|
||||
|
||||
SRCS := $(START:.o=.S) $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
|
||||
OBJS := $(addprefix $(obj),$(SOBJS-y) $(COBJS-y))
|
||||
START := $(addprefix $(obj),$(START))
|
||||
|
||||
all: $(obj).depend $(START) $(LIB)
|
||||
|
||||
$(LIB): $(OBJS)
|
||||
$(call cmd_link_o_target, $(OBJS))
|
||||
|
||||
#########################################################################
|
||||
|
||||
# defines $(obj).depend target
|
||||
include $(SRCTREE)/rules.mk
|
||||
|
||||
sinclude $(obj).depend
|
||||
|
||||
#########################################################################
|
|
@ -0,0 +1,24 @@
|
|||
#
|
||||
# Copyright (C) 2011 Xiangfu Liu <xiangfu@openmobilefree.net>
|
||||
#
|
||||
# See file CREDITS for list of people who contributed to this
|
||||
# project.
|
||||
#
|
||||
# This program is free software; you can redistribute it and/or
|
||||
# modify it under the terms of the GNU General Public License as
|
||||
# published by the Free Software Foundation; either version 2 of
|
||||
# the License, or (at your option) any later version.
|
||||
#
|
||||
# This program is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with this program; if not, write to the Free Software
|
||||
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
# MA 02111-1307 USA
|
||||
#
|
||||
|
||||
PLATFORM_CPPFLAGS += -march=mips32 -EL
|
||||
PLATFORM_LDFLAGS += -EL
|
152
6.1/package/boot/uboot-ipq40xx/src/arch/mips/cpu/xburst/cpu.c
Normal file
152
6.1/package/boot/uboot-ipq40xx/src/arch/mips/cpu/xburst/cpu.c
Normal file
|
@ -0,0 +1,152 @@
|
|||
/*
|
||||
* (C) Copyright 2003
|
||||
* Wolfgang Denk, DENX Software Engineering, <wd@denx.de>
|
||||
* (C) Copyright 2011
|
||||
* Xiangfu Liu <xiangfu@openmobilefree.net>
|
||||
*
|
||||
* See file CREDITS for list of people who contributed to this
|
||||
* project.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License as
|
||||
* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
* MA 02111-1307 USA
|
||||
*/
|
||||
|
||||
#include <common.h>
|
||||
#include <command.h>
|
||||
#include <netdev.h>
|
||||
#include <asm/mipsregs.h>
|
||||
#include <asm/cacheops.h>
|
||||
#include <asm/reboot.h>
|
||||
#include <asm/io.h>
|
||||
#include <asm/jz4740.h>
|
||||
|
||||
#define cache_op(op, addr) \
|
||||
__asm__ __volatile__( \
|
||||
".set push\n" \
|
||||
".set noreorder\n" \
|
||||
".set mips3\n" \
|
||||
"cache %0, %1\n" \
|
||||
".set pop\n" \
|
||||
: \
|
||||
: "i" (op), "R" (*(unsigned char *)(addr)))
|
||||
|
||||
void __attribute__((weak)) _machine_restart(void)
|
||||
{
|
||||
struct jz4740_wdt *wdt = (struct jz4740_wdt *)JZ4740_WDT_BASE;
|
||||
struct jz4740_tcu *tcu = (struct jz4740_tcu *)JZ4740_TCU_BASE;
|
||||
u16 tmp;
|
||||
|
||||
/* wdt_select_extalclk() */
|
||||
tmp = readw(&wdt->tcsr);
|
||||
tmp &= ~(WDT_TCSR_EXT_EN | WDT_TCSR_RTC_EN | WDT_TCSR_PCK_EN);
|
||||
tmp |= WDT_TCSR_EXT_EN;
|
||||
writew(tmp, &wdt->tcsr);
|
||||
|
||||
/* wdt_select_clk_div64() */
|
||||
tmp = readw(&wdt->tcsr);
|
||||
tmp &= ~WDT_TCSR_PRESCALE_MASK;
|
||||
tmp |= WDT_TCSR_PRESCALE64,
|
||||
writew(tmp, &wdt->tcsr);
|
||||
|
||||
writew(100, &wdt->tdr); /* wdt_set_data(100) */
|
||||
writew(0, &wdt->tcnt); /* wdt_set_count(0); */
|
||||
writew(TCU_TSSR_WDTSC, &tcu->tscr); /* tcu_start_wdt_clock */
|
||||
writeb(readb(&wdt->tcer) | WDT_TCER_TCEN, &wdt->tcer); /* wdt start */
|
||||
|
||||
while (1)
|
||||
;
|
||||
}
|
||||
|
||||
int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
|
||||
{
|
||||
_machine_restart();
|
||||
|
||||
fprintf(stderr, "*** reset failed ***\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
void flush_cache(ulong start_addr, ulong size)
|
||||
{
|
||||
unsigned long lsize = CONFIG_SYS_CACHELINE_SIZE;
|
||||
unsigned long addr = start_addr & ~(lsize - 1);
|
||||
unsigned long aend = (start_addr + size - 1) & ~(lsize - 1);
|
||||
|
||||
for (; addr <= aend; addr += lsize) {
|
||||
cache_op(Hit_Writeback_Inv_D, addr);
|
||||
cache_op(Hit_Invalidate_I, addr);
|
||||
}
|
||||
}
|
||||
|
||||
void flush_dcache_range(ulong start_addr, ulong stop)
|
||||
{
|
||||
unsigned long lsize = CONFIG_SYS_CACHELINE_SIZE;
|
||||
unsigned long addr = start_addr & ~(lsize - 1);
|
||||
unsigned long aend = (stop - 1) & ~(lsize - 1);
|
||||
|
||||
for (; addr <= aend; addr += lsize)
|
||||
cache_op(Hit_Writeback_Inv_D, addr);
|
||||
}
|
||||
|
||||
void invalidate_dcache_range(ulong start_addr, ulong stop)
|
||||
{
|
||||
unsigned long lsize = CONFIG_SYS_CACHELINE_SIZE;
|
||||
unsigned long addr = start_addr & ~(lsize - 1);
|
||||
unsigned long aend = (stop - 1) & ~(lsize - 1);
|
||||
|
||||
for (; addr <= aend; addr += lsize)
|
||||
cache_op(Hit_Invalidate_D, addr);
|
||||
}
|
||||
|
||||
void flush_icache_all(void)
|
||||
{
|
||||
u32 addr, t = 0;
|
||||
|
||||
__asm__ __volatile__("mtc0 $0, $28"); /* Clear Taglo */
|
||||
__asm__ __volatile__("mtc0 $0, $29"); /* Clear TagHi */
|
||||
|
||||
for (addr = CKSEG0; addr < CKSEG0 + CONFIG_SYS_ICACHE_SIZE;
|
||||
addr += CONFIG_SYS_CACHELINE_SIZE) {
|
||||
cache_op(Index_Store_Tag_I, addr);
|
||||
}
|
||||
|
||||
/* invalidate btb */
|
||||
__asm__ __volatile__(
|
||||
".set mips32\n\t"
|
||||
"mfc0 %0, $16, 7\n\t"
|
||||
"nop\n\t"
|
||||
"ori %0,2\n\t"
|
||||
"mtc0 %0, $16, 7\n\t"
|
||||
".set mips2\n\t"
|
||||
:
|
||||
: "r" (t));
|
||||
}
|
||||
|
||||
void flush_dcache_all(void)
|
||||
{
|
||||
u32 addr;
|
||||
|
||||
for (addr = CKSEG0; addr < CKSEG0 + CONFIG_SYS_DCACHE_SIZE;
|
||||
addr += CONFIG_SYS_CACHELINE_SIZE) {
|
||||
cache_op(Index_Writeback_Inv_D, addr);
|
||||
}
|
||||
|
||||
__asm__ __volatile__("sync");
|
||||
}
|
||||
|
||||
void flush_cache_all(void)
|
||||
{
|
||||
flush_dcache_all();
|
||||
flush_icache_all();
|
||||
}
|
248
6.1/package/boot/uboot-ipq40xx/src/arch/mips/cpu/xburst/jz4740.c
Normal file
248
6.1/package/boot/uboot-ipq40xx/src/arch/mips/cpu/xburst/jz4740.c
Normal file
|
@ -0,0 +1,248 @@
|
|||
/*
|
||||
* Jz4740 common routines
|
||||
* Copyright (c) 2006 Ingenic Semiconductor, <jlwei@ingenic.cn>
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License as
|
||||
* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
* MA 02111-1307 USA
|
||||
*/
|
||||
|
||||
#include <config.h>
|
||||
#include <common.h>
|
||||
#include <asm/io.h>
|
||||
#include <asm/jz4740.h>
|
||||
|
||||
void enable_interrupts(void)
|
||||
{
|
||||
}
|
||||
|
||||
int disable_interrupts(void)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* PLL output clock = EXTAL * NF / (NR * NO)
|
||||
* NF = FD + 2, NR = RD + 2
|
||||
* NO = 1 (if OD = 0), NO = 2 (if OD = 1 or 2), NO = 4 (if OD = 3)
|
||||
*/
|
||||
void pll_init(void)
|
||||
{
|
||||
struct jz4740_cpm *cpm = (struct jz4740_cpm *)JZ4740_CPM_BASE;
|
||||
|
||||
register unsigned int cfcr, plcr1;
|
||||
int n2FR[33] = {
|
||||
0, 0, 1, 2, 3, 0, 4, 0, 5, 0, 0, 0, 6, 0, 0, 0,
|
||||
7, 0, 0, 0, 0, 0, 0, 0, 8, 0, 0, 0, 0, 0, 0, 0,
|
||||
9
|
||||
};
|
||||
int div[5] = {1, 3, 3, 3, 3}; /* divisors of I:S:P:L:M */
|
||||
int nf, pllout2;
|
||||
|
||||
cfcr = CPM_CPCCR_CLKOEN |
|
||||
CPM_CPCCR_PCS |
|
||||
(n2FR[div[0]] << CPM_CPCCR_CDIV_BIT) |
|
||||
(n2FR[div[1]] << CPM_CPCCR_HDIV_BIT) |
|
||||
(n2FR[div[2]] << CPM_CPCCR_PDIV_BIT) |
|
||||
(n2FR[div[3]] << CPM_CPCCR_MDIV_BIT) |
|
||||
(n2FR[div[4]] << CPM_CPCCR_LDIV_BIT);
|
||||
|
||||
pllout2 = (cfcr & CPM_CPCCR_PCS) ?
|
||||
CONFIG_SYS_CPU_SPEED : (CONFIG_SYS_CPU_SPEED / 2);
|
||||
|
||||
/* Init USB Host clock, pllout2 must be n*48MHz */
|
||||
writel(pllout2 / 48000000 - 1, &cpm->uhccdr);
|
||||
|
||||
nf = CONFIG_SYS_CPU_SPEED * 2 / CONFIG_SYS_EXTAL;
|
||||
plcr1 = ((nf - 2) << CPM_CPPCR_PLLM_BIT) | /* FD */
|
||||
(0 << CPM_CPPCR_PLLN_BIT) | /* RD=0, NR=2 */
|
||||
(0 << CPM_CPPCR_PLLOD_BIT) | /* OD=0, NO=1 */
|
||||
(0x20 << CPM_CPPCR_PLLST_BIT) | /* PLL stable time */
|
||||
CPM_CPPCR_PLLEN; /* enable PLL */
|
||||
|
||||
/* init PLL */
|
||||
writel(cfcr, &cpm->cpccr);
|
||||
writel(plcr1, &cpm->cppcr);
|
||||
}
|
||||
|
||||
void sdram_init(void)
|
||||
{
|
||||
struct jz4740_emc *emc = (struct jz4740_emc *)JZ4740_EMC_BASE;
|
||||
|
||||
register unsigned int dmcr0, dmcr, sdmode, tmp, cpu_clk, mem_clk, ns;
|
||||
|
||||
unsigned int cas_latency_sdmr[2] = {
|
||||
EMC_SDMR_CAS_2,
|
||||
EMC_SDMR_CAS_3,
|
||||
};
|
||||
|
||||
unsigned int cas_latency_dmcr[2] = {
|
||||
1 << EMC_DMCR_TCL_BIT, /* CAS latency is 2 */
|
||||
2 << EMC_DMCR_TCL_BIT /* CAS latency is 3 */
|
||||
};
|
||||
|
||||
int div[] = {1, 2, 3, 4, 6, 8, 12, 16, 24, 32};
|
||||
|
||||
cpu_clk = CONFIG_SYS_CPU_SPEED;
|
||||
mem_clk = cpu_clk * div[__cpm_get_cdiv()] / div[__cpm_get_mdiv()];
|
||||
|
||||
writel(0, &emc->bcr); /* Disable bus release */
|
||||
writew(0, &emc->rtcsr); /* Disable clock for counting */
|
||||
|
||||
/* Fault DMCR value for mode register setting*/
|
||||
#define SDRAM_ROW0 11
|
||||
#define SDRAM_COL0 8
|
||||
#define SDRAM_BANK40 0
|
||||
|
||||
dmcr0 = ((SDRAM_ROW0 - 11) << EMC_DMCR_RA_BIT) |
|
||||
((SDRAM_COL0 - 8) << EMC_DMCR_CA_BIT) |
|
||||
(SDRAM_BANK40 << EMC_DMCR_BA_BIT) |
|
||||
(SDRAM_BW16 << EMC_DMCR_BW_BIT) |
|
||||
EMC_DMCR_EPIN |
|
||||
cas_latency_dmcr[((SDRAM_CASL == 3) ? 1 : 0)];
|
||||
|
||||
/* Basic DMCR value */
|
||||
dmcr = ((SDRAM_ROW - 11) << EMC_DMCR_RA_BIT) |
|
||||
((SDRAM_COL - 8) << EMC_DMCR_CA_BIT) |
|
||||
(SDRAM_BANK4 << EMC_DMCR_BA_BIT) |
|
||||
(SDRAM_BW16 << EMC_DMCR_BW_BIT) |
|
||||
EMC_DMCR_EPIN |
|
||||
cas_latency_dmcr[((SDRAM_CASL == 3) ? 1 : 0)];
|
||||
|
||||
/* SDRAM timimg */
|
||||
ns = 1000000000 / mem_clk;
|
||||
tmp = SDRAM_TRAS / ns;
|
||||
if (tmp < 4)
|
||||
tmp = 4;
|
||||
if (tmp > 11)
|
||||
tmp = 11;
|
||||
dmcr |= (tmp - 4) << EMC_DMCR_TRAS_BIT;
|
||||
tmp = SDRAM_RCD / ns;
|
||||
|
||||
if (tmp > 3)
|
||||
tmp = 3;
|
||||
dmcr |= tmp << EMC_DMCR_RCD_BIT;
|
||||
tmp = SDRAM_TPC / ns;
|
||||
|
||||
if (tmp > 7)
|
||||
tmp = 7;
|
||||
dmcr |= tmp << EMC_DMCR_TPC_BIT;
|
||||
tmp = SDRAM_TRWL / ns;
|
||||
|
||||
if (tmp > 3)
|
||||
tmp = 3;
|
||||
dmcr |= tmp << EMC_DMCR_TRWL_BIT;
|
||||
tmp = (SDRAM_TRAS + SDRAM_TPC) / ns;
|
||||
|
||||
if (tmp > 14)
|
||||
tmp = 14;
|
||||
dmcr |= ((tmp + 1) >> 1) << EMC_DMCR_TRC_BIT;
|
||||
|
||||
/* SDRAM mode value */
|
||||
sdmode = EMC_SDMR_BT_SEQ |
|
||||
EMC_SDMR_OM_NORMAL |
|
||||
EMC_SDMR_BL_4 |
|
||||
cas_latency_sdmr[((SDRAM_CASL == 3) ? 1 : 0)];
|
||||
|
||||
/* Stage 1. Precharge all banks by writing SDMR with DMCR.MRSET=0 */
|
||||
writel(dmcr, &emc->dmcr);
|
||||
writeb(0, JZ4740_EMC_SDMR0 | sdmode);
|
||||
|
||||
/* Wait for precharge, > 200us */
|
||||
tmp = (cpu_clk / 1000000) * 1000;
|
||||
while (tmp--)
|
||||
;
|
||||
|
||||
/* Stage 2. Enable auto-refresh */
|
||||
writel(dmcr | EMC_DMCR_RFSH, &emc->dmcr);
|
||||
|
||||
tmp = SDRAM_TREF / ns;
|
||||
tmp = tmp / 64 + 1;
|
||||
if (tmp > 0xff)
|
||||
tmp = 0xff;
|
||||
writew(tmp, &emc->rtcor);
|
||||
writew(0, &emc->rtcnt);
|
||||
/* Divisor is 64, CKO/64 */
|
||||
writew(EMC_RTCSR_CKS_64, &emc->rtcsr);
|
||||
|
||||
/* Wait for number of auto-refresh cycles */
|
||||
tmp = (cpu_clk / 1000000) * 1000;
|
||||
while (tmp--)
|
||||
;
|
||||
|
||||
/* Stage 3. Mode Register Set */
|
||||
writel(dmcr0 | EMC_DMCR_RFSH | EMC_DMCR_MRSET, &emc->dmcr);
|
||||
writeb(0, JZ4740_EMC_SDMR0 | sdmode);
|
||||
|
||||
/* Set back to basic DMCR value */
|
||||
writel(dmcr | EMC_DMCR_RFSH | EMC_DMCR_MRSET, &emc->dmcr);
|
||||
|
||||
/* everything is ok now */
|
||||
}
|
||||
|
||||
DECLARE_GLOBAL_DATA_PTR;
|
||||
|
||||
void calc_clocks(void)
|
||||
{
|
||||
unsigned int pllout;
|
||||
unsigned int div[10] = {1, 2, 3, 4, 6, 8, 12, 16, 24, 32};
|
||||
|
||||
pllout = __cpm_get_pllout();
|
||||
|
||||
gd->cpu_clk = pllout / div[__cpm_get_cdiv()];
|
||||
gd->sys_clk = pllout / div[__cpm_get_hdiv()];
|
||||
gd->per_clk = pllout / div[__cpm_get_pdiv()];
|
||||
gd->mem_clk = pllout / div[__cpm_get_mdiv()];
|
||||
gd->dev_clk = CONFIG_SYS_EXTAL;
|
||||
}
|
||||
|
||||
void rtc_init(void)
|
||||
{
|
||||
struct jz4740_rtc *rtc = (struct jz4740_rtc *)JZ4740_RTC_BASE;
|
||||
|
||||
while (!(readl(&rtc->rcr) & RTC_RCR_WRDY))
|
||||
;
|
||||
writel(readl(&rtc->rcr) | RTC_RCR_AE, &rtc->rcr); /* enable alarm */
|
||||
|
||||
while (!(readl(&rtc->rcr) & RTC_RCR_WRDY))
|
||||
;
|
||||
writel(0x00007fff, &rtc->rgr); /* type value */
|
||||
|
||||
while (!(readl(&rtc->rcr) & RTC_RCR_WRDY))
|
||||
;
|
||||
writel(0x0000ffe0, &rtc->hwfcr); /* Power on delay 2s */
|
||||
|
||||
while (!(readl(&rtc->rcr) & RTC_RCR_WRDY))
|
||||
;
|
||||
writel(0x00000fe0, &rtc->hrcr); /* reset delay 125ms */
|
||||
}
|
||||
|
||||
/* U-Boot common routines */
|
||||
phys_size_t initdram(int board_type)
|
||||
{
|
||||
struct jz4740_emc *emc = (struct jz4740_emc *)JZ4740_EMC_BASE;
|
||||
u32 dmcr;
|
||||
u32 rows, cols, dw, banks;
|
||||
ulong size;
|
||||
|
||||
dmcr = readl(&emc->dmcr);
|
||||
rows = 11 + ((dmcr & EMC_DMCR_RA_MASK) >> EMC_DMCR_RA_BIT);
|
||||
cols = 8 + ((dmcr & EMC_DMCR_CA_MASK) >> EMC_DMCR_CA_BIT);
|
||||
dw = (dmcr & EMC_DMCR_BW) ? 2 : 4;
|
||||
banks = (dmcr & EMC_DMCR_BA) ? 4 : 2;
|
||||
|
||||
size = (1 << (rows + cols)) * dw * banks;
|
||||
|
||||
return size;
|
||||
}
|
|
@ -0,0 +1,114 @@
|
|||
/*
|
||||
* Jz4740 UART support
|
||||
* Copyright (c) 2011
|
||||
* Qi Hardware, Xiangfu Liu <xiangfu@sharism.cc>
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License as
|
||||
* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
* MA 02111-1307 USA
|
||||
*/
|
||||
|
||||
#include <config.h>
|
||||
#include <common.h>
|
||||
#include <asm/io.h>
|
||||
#include <asm/jz4740.h>
|
||||
|
||||
/*
|
||||
* serial_init - initialize a channel
|
||||
*
|
||||
* This routine initializes the number of data bits, parity
|
||||
* and set the selected baud rate. Interrupts are disabled.
|
||||
* Set the modem control signals if the option is selected.
|
||||
*
|
||||
* RETURNS: N/A
|
||||
*/
|
||||
struct jz4740_uart *uart = (struct jz4740_uart *)CONFIG_SYS_UART_BASE;
|
||||
|
||||
int serial_init(void)
|
||||
{
|
||||
/* Disable port interrupts while changing hardware */
|
||||
writeb(0, &uart->dlhr_ier);
|
||||
|
||||
/* Disable UART unit function */
|
||||
writeb(~UART_FCR_UUE, &uart->iir_fcr);
|
||||
|
||||
/* Set both receiver and transmitter in UART mode (not SIR) */
|
||||
writeb(~(SIRCR_RSIRE | SIRCR_TSIRE), &uart->isr);
|
||||
|
||||
/*
|
||||
* Set databits, stopbits and parity.
|
||||
* (8-bit data, 1 stopbit, no parity)
|
||||
*/
|
||||
writeb(UART_LCR_WLEN_8 | UART_LCR_STOP_1, &uart->lcr);
|
||||
|
||||
/* Set baud rate */
|
||||
serial_setbrg();
|
||||
|
||||
/* Enable UART unit, enable and clear FIFO */
|
||||
writeb(UART_FCR_UUE | UART_FCR_FE | UART_FCR_TFLS | UART_FCR_RFLS,
|
||||
&uart->iir_fcr);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
void serial_setbrg(void)
|
||||
{
|
||||
u32 baud_div, tmp;
|
||||
|
||||
baud_div = CONFIG_SYS_EXTAL / 16 / CONFIG_BAUDRATE;
|
||||
|
||||
tmp = readb(&uart->lcr);
|
||||
tmp |= UART_LCR_DLAB;
|
||||
writeb(tmp, &uart->lcr);
|
||||
|
||||
writeb((baud_div >> 8) & 0xff, &uart->dlhr_ier);
|
||||
writeb(baud_div & 0xff, &uart->rbr_thr_dllr);
|
||||
|
||||
tmp &= ~UART_LCR_DLAB;
|
||||
writeb(tmp, &uart->lcr);
|
||||
}
|
||||
|
||||
int serial_tstc(void)
|
||||
{
|
||||
if (readb(&uart->lsr) & UART_LSR_DR)
|
||||
return 1;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
void serial_putc(const char c)
|
||||
{
|
||||
if (c == '\n')
|
||||
serial_putc('\r');
|
||||
|
||||
/* Wait for fifo to shift out some bytes */
|
||||
while (!((readb(&uart->lsr) & (UART_LSR_TDRQ | UART_LSR_TEMT)) == 0x60))
|
||||
;
|
||||
|
||||
writeb((u8)c, &uart->rbr_thr_dllr);
|
||||
}
|
||||
|
||||
int serial_getc(void)
|
||||
{
|
||||
while (!serial_tstc())
|
||||
;
|
||||
|
||||
return readb(&uart->rbr_thr_dllr);
|
||||
}
|
||||
|
||||
void serial_puts(const char *s)
|
||||
{
|
||||
while (*s)
|
||||
serial_putc(*s++);
|
||||
}
|
171
6.1/package/boot/uboot-ipq40xx/src/arch/mips/cpu/xburst/start.S
Normal file
171
6.1/package/boot/uboot-ipq40xx/src/arch/mips/cpu/xburst/start.S
Normal file
|
@ -0,0 +1,171 @@
|
|||
/*
|
||||
* Startup Code for MIPS32 XBURST CPU-core
|
||||
*
|
||||
* Copyright (c) 2010 Xiangfu Liu <xiangfu@sharism.cc>
|
||||
*
|
||||
* See file CREDITS for list of people who contributed to this
|
||||
* project.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License as
|
||||
* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
* MA 02111-1307 USA
|
||||
*/
|
||||
|
||||
#include <config.h>
|
||||
#include <version.h>
|
||||
#include <asm/regdef.h>
|
||||
#include <asm/mipsregs.h>
|
||||
#include <asm/addrspace.h>
|
||||
#include <asm/cacheops.h>
|
||||
|
||||
.set noreorder
|
||||
|
||||
.globl _start
|
||||
.text
|
||||
_start:
|
||||
/* Initialize $gp */
|
||||
bal 1f
|
||||
nop
|
||||
.word _gp
|
||||
1:
|
||||
lw gp, 0(ra)
|
||||
|
||||
/* Set up temporary stack */
|
||||
li sp, CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_INIT_SP_OFFSET
|
||||
|
||||
la t9, board_init_f
|
||||
jr t9
|
||||
nop
|
||||
|
||||
/*
|
||||
* void relocate_code (addr_sp, gd, addr_moni)
|
||||
*
|
||||
* This "function" does not return, instead it continues in RAM
|
||||
* after relocating the monitor code.
|
||||
*
|
||||
* a0 = addr_sp
|
||||
* a1 = gd
|
||||
* a2 = destination address
|
||||
*/
|
||||
.globl relocate_code
|
||||
.ent relocate_code
|
||||
relocate_code:
|
||||
move sp, a0 # set new stack pointer
|
||||
|
||||
li t0, CONFIG_SYS_MONITOR_BASE
|
||||
la t3, in_ram
|
||||
lw t2, -12(t3) # t2 <-- uboot_end_data
|
||||
move t1, a2
|
||||
|
||||
/*
|
||||
* Fix $gp:
|
||||
*
|
||||
* New $gp = (Old $gp - CONFIG_SYS_MONITOR_BASE) + Destination Address
|
||||
*/
|
||||
move t6, gp
|
||||
sub gp, CONFIG_SYS_MONITOR_BASE
|
||||
add gp, a2 # gp now adjusted
|
||||
sub t6, gp, t6 # t6 <-- relocation offset
|
||||
|
||||
/*
|
||||
* t0 = source address
|
||||
* t1 = target address
|
||||
* t2 = source end address
|
||||
*/
|
||||
1:
|
||||
lw t3, 0(t0)
|
||||
sw t3, 0(t1)
|
||||
addu t0, 4
|
||||
ble t0, t2, 1b
|
||||
addu t1, 4
|
||||
|
||||
/* If caches were enabled, we would have to flush them here. */
|
||||
|
||||
/* flush d-cache */
|
||||
li t0, KSEG0
|
||||
addi t1, t0, CONFIG_SYS_DCACHE_SIZE
|
||||
2:
|
||||
cache Index_Writeback_Inv_D, 0(t0)
|
||||
bne t0, t1, 2b
|
||||
addi t0, CONFIG_SYS_CACHELINE_SIZE
|
||||
|
||||
sync
|
||||
|
||||
/* flush i-cache */
|
||||
li t0, KSEG0
|
||||
addi t1, t0, CONFIG_SYS_ICACHE_SIZE
|
||||
3:
|
||||
cache Index_Invalidate_I, 0(t0)
|
||||
bne t0, t1, 3b
|
||||
addi t0, CONFIG_SYS_CACHELINE_SIZE
|
||||
|
||||
/* Invalidate BTB */
|
||||
mfc0 t0, CP0_CONFIG, 7
|
||||
nop
|
||||
ori t0, 2
|
||||
mtc0 t0, CP0_CONFIG, 7
|
||||
nop
|
||||
|
||||
/* Jump to where we've relocated ourselves */
|
||||
addi t0, a2, in_ram - _start
|
||||
jr t0
|
||||
nop
|
||||
|
||||
.word _gp
|
||||
.word _GLOBAL_OFFSET_TABLE_
|
||||
.word uboot_end_data
|
||||
.word uboot_end
|
||||
.word num_got_entries
|
||||
|
||||
in_ram:
|
||||
/*
|
||||
* Now we want to update GOT.
|
||||
*
|
||||
* GOT[0] is reserved. GOT[1] is also reserved for the dynamic object
|
||||
* generated by GNU ld. Skip these reserved entries from relocation.
|
||||
*/
|
||||
lw t3, -4(t0) # t3 <-- num_got_entries
|
||||
lw t4, -16(t0) # t4 <-- _GLOBAL_OFFSET_TABLE_
|
||||
lw t5, -20(t0) # t5 <-- _gp
|
||||
sub t4, t5 # compute offset
|
||||
add t4, t4, gp # t4 now holds relocated _G_O_T_
|
||||
addi t4, t4, 8 # skipping first two entries
|
||||
li t2, 2
|
||||
1:
|
||||
lw t1, 0(t4)
|
||||
beqz t1, 2f
|
||||
add t1, t6
|
||||
sw t1, 0(t4)
|
||||
2:
|
||||
addi t2, 1
|
||||
blt t2, t3, 1b
|
||||
addi t4, 4
|
||||
|
||||
/* Clear BSS */
|
||||
lw t1, -12(t0) # t1 <-- uboot_end_data
|
||||
lw t2, -8(t0) # t2 <-- uboot_end
|
||||
add t1, t6 # adjust pointers
|
||||
add t2, t6
|
||||
|
||||
sub t1, 4
|
||||
1: addi t1, 4
|
||||
bltl t1, t2, 1b
|
||||
sw zero, 0(t1)
|
||||
|
||||
move a0, a1 # a0 <-- gd
|
||||
la t9, board_init_r
|
||||
jr t9
|
||||
move a1, a2
|
||||
|
||||
.end relocate_code
|
162
6.1/package/boot/uboot-ipq40xx/src/arch/mips/cpu/xburst/timer.c
Normal file
162
6.1/package/boot/uboot-ipq40xx/src/arch/mips/cpu/xburst/timer.c
Normal file
|
@ -0,0 +1,162 @@
|
|||
/*
|
||||
* Copyright (c) 2006
|
||||
* Ingenic Semiconductor, <jlwei@ingenic.cn>
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License as
|
||||
* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
* MA 02111-1307 USA
|
||||
*/
|
||||
|
||||
#include <config.h>
|
||||
#include <common.h>
|
||||
#include <asm/io.h>
|
||||
|
||||
#include <asm/jz4740.h>
|
||||
|
||||
#define TIMER_CHAN 0
|
||||
#define TIMER_FDATA 0xffff /* Timer full data value */
|
||||
|
||||
DECLARE_GLOBAL_DATA_PTR;
|
||||
|
||||
static struct jz4740_tcu *tcu = (struct jz4740_tcu *)JZ4740_TCU_BASE;
|
||||
|
||||
void reset_timer_masked(void)
|
||||
{
|
||||
/* reset time */
|
||||
gd->lastinc = readw(&tcu->tcnt0);
|
||||
gd->tbl = 0;
|
||||
}
|
||||
|
||||
ulong get_timer_masked(void)
|
||||
{
|
||||
ulong now = readw(&tcu->tcnt0);
|
||||
|
||||
if (gd->lastinc <= now)
|
||||
gd->tbl += now - gd->lastinc; /* normal mode */
|
||||
else {
|
||||
/* we have an overflow ... */
|
||||
gd->tbl += TIMER_FDATA + now - gd->lastinc;
|
||||
}
|
||||
|
||||
gd->lastinc = now;
|
||||
|
||||
return gd->tbl;
|
||||
}
|
||||
|
||||
void udelay_masked(unsigned long usec)
|
||||
{
|
||||
ulong tmo;
|
||||
ulong endtime;
|
||||
signed long diff;
|
||||
|
||||
/* normalize */
|
||||
if (usec >= 1000) {
|
||||
tmo = usec / 1000;
|
||||
tmo *= CONFIG_SYS_HZ;
|
||||
tmo /= 1000;
|
||||
} else {
|
||||
if (usec > 1) {
|
||||
tmo = usec * CONFIG_SYS_HZ;
|
||||
tmo /= 1000*1000;
|
||||
} else
|
||||
tmo = 1;
|
||||
}
|
||||
|
||||
endtime = get_timer_masked() + tmo;
|
||||
|
||||
do {
|
||||
ulong now = get_timer_masked();
|
||||
diff = endtime - now;
|
||||
} while (diff >= 0);
|
||||
}
|
||||
|
||||
int timer_init(void)
|
||||
{
|
||||
writew(TCU_TCSR_PRESCALE256 | TCU_TCSR_EXT_EN, &tcu->tcsr0);
|
||||
|
||||
writew(0, &tcu->tcnt0);
|
||||
writew(0, &tcu->tdhr0);
|
||||
writew(TIMER_FDATA, &tcu->tdfr0);
|
||||
|
||||
/* mask irqs */
|
||||
writel((1 << TIMER_CHAN) | (1 << (TIMER_CHAN + 16)), &tcu->tmsr);
|
||||
writel(1 << TIMER_CHAN, &tcu->tscr); /* enable timer clock */
|
||||
writeb(1 << TIMER_CHAN, &tcu->tesr); /* start counting up */
|
||||
|
||||
gd->lastinc = 0;
|
||||
gd->tbl = 0;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
void reset_timer(void)
|
||||
{
|
||||
reset_timer_masked();
|
||||
}
|
||||
|
||||
ulong get_timer(ulong base)
|
||||
{
|
||||
return get_timer_masked() - base;
|
||||
}
|
||||
|
||||
void set_timer(ulong t)
|
||||
{
|
||||
gd->tbl = t;
|
||||
}
|
||||
|
||||
void __udelay(unsigned long usec)
|
||||
{
|
||||
ulong tmo, tmp;
|
||||
|
||||
/* normalize */
|
||||
if (usec >= 1000) {
|
||||
tmo = usec / 1000;
|
||||
tmo *= CONFIG_SYS_HZ;
|
||||
tmo /= 1000;
|
||||
} else {
|
||||
if (usec >= 1) {
|
||||
tmo = usec * CONFIG_SYS_HZ;
|
||||
tmo /= 1000 * 1000;
|
||||
} else
|
||||
tmo = 1;
|
||||
}
|
||||
|
||||
/* check for rollover during this delay */
|
||||
tmp = get_timer(0);
|
||||
if ((tmp + tmo) < tmp)
|
||||
reset_timer_masked(); /* timer would roll over */
|
||||
else
|
||||
tmo += tmp;
|
||||
|
||||
while (get_timer_masked() < tmo)
|
||||
;
|
||||
}
|
||||
|
||||
/*
|
||||
* This function is derived from PowerPC code (read timebase as long long).
|
||||
* On MIPS it just returns the timer value.
|
||||
*/
|
||||
unsigned long long get_ticks(void)
|
||||
{
|
||||
return get_timer(0);
|
||||
}
|
||||
|
||||
/*
|
||||
* This function is derived from PowerPC code (timebase clock frequency).
|
||||
* On MIPS it returns the number of timer ticks per second.
|
||||
*/
|
||||
ulong get_tbclk(void)
|
||||
{
|
||||
return CONFIG_SYS_HZ;
|
||||
}
|
|
@ -0,0 +1,165 @@
|
|||
/*
|
||||
* This file is subject to the terms and conditions of the GNU General Public
|
||||
* License. See the file "COPYING" in the main directory of this archive
|
||||
* for more details.
|
||||
*
|
||||
* Copyright (C) 1996, 99 Ralf Baechle
|
||||
* Copyright (C) 2000, 2002 Maciej W. Rozycki
|
||||
* Copyright (C) 1990, 1999 by Silicon Graphics, Inc.
|
||||
*/
|
||||
#ifndef _ASM_ADDRSPACE_H
|
||||
#define _ASM_ADDRSPACE_H
|
||||
|
||||
/*
|
||||
* Configure language
|
||||
*/
|
||||
#ifdef __ASSEMBLY__
|
||||
#define _ATYPE_
|
||||
#define _ATYPE32_
|
||||
#define _ATYPE64_
|
||||
#define _CONST64_(x) x
|
||||
#else
|
||||
#define _ATYPE_ __PTRDIFF_TYPE__
|
||||
#define _ATYPE32_ int
|
||||
#define _ATYPE64_ __s64
|
||||
#ifdef CONFIG_64BIT
|
||||
#define _CONST64_(x) x ## L
|
||||
#else
|
||||
#define _CONST64_(x) x ## LL
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/*
|
||||
* 32-bit MIPS address spaces
|
||||
*/
|
||||
#ifdef __ASSEMBLY__
|
||||
#define _ACAST32_
|
||||
#define _ACAST64_
|
||||
#else
|
||||
#define _ACAST32_ (_ATYPE_)(_ATYPE32_) /* widen if necessary */
|
||||
#define _ACAST64_ (_ATYPE64_) /* do _not_ narrow */
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Returns the kernel segment base of a given address
|
||||
*/
|
||||
#define KSEGX(a) ((_ACAST32_ (a)) & 0xe0000000)
|
||||
|
||||
/*
|
||||
* Returns the physical address of a CKSEGx / XKPHYS address
|
||||
*/
|
||||
#define CPHYSADDR(a) ((_ACAST32_(a)) & 0x1fffffff)
|
||||
#define XPHYSADDR(a) ((_ACAST64_(a)) & \
|
||||
_CONST64_(0x000000ffffffffff))
|
||||
|
||||
#ifdef CONFIG_64BIT
|
||||
|
||||
/*
|
||||
* Memory segments (64bit kernel mode addresses)
|
||||
* The compatibility segments use the full 64-bit sign extended value. Note
|
||||
* the R8000 doesn't have them so don't reference these in generic MIPS code.
|
||||
*/
|
||||
#define XKUSEG _CONST64_(0x0000000000000000)
|
||||
#define XKSSEG _CONST64_(0x4000000000000000)
|
||||
#define XKPHYS _CONST64_(0x8000000000000000)
|
||||
#define XKSEG _CONST64_(0xc000000000000000)
|
||||
#define CKSEG0 _CONST64_(0xffffffff80000000)
|
||||
#define CKSEG1 _CONST64_(0xffffffffa0000000)
|
||||
#define CKSSEG _CONST64_(0xffffffffc0000000)
|
||||
#define CKSEG3 _CONST64_(0xffffffffe0000000)
|
||||
|
||||
#define CKSEG0ADDR(a) (CPHYSADDR(a) | CKSEG0)
|
||||
#define CKSEG1ADDR(a) (CPHYSADDR(a) | CKSEG1)
|
||||
#define CKSEG2ADDR(a) (CPHYSADDR(a) | CKSEG2)
|
||||
#define CKSEG3ADDR(a) (CPHYSADDR(a) | CKSEG3)
|
||||
|
||||
#else
|
||||
|
||||
#define CKSEG0ADDR(a) (CPHYSADDR(a) | KSEG0)
|
||||
#define CKSEG1ADDR(a) (CPHYSADDR(a) | KSEG1)
|
||||
#define CKSEG2ADDR(a) (CPHYSADDR(a) | KSEG2)
|
||||
#define CKSEG3ADDR(a) (CPHYSADDR(a) | KSEG3)
|
||||
|
||||
/*
|
||||
* Map an address to a certain kernel segment
|
||||
*/
|
||||
#define KSEG0ADDR(a) (CPHYSADDR(a) | KSEG0)
|
||||
#define KSEG1ADDR(a) (CPHYSADDR(a) | KSEG1)
|
||||
#define KSEG2ADDR(a) (CPHYSADDR(a) | KSEG2)
|
||||
#define KSEG3ADDR(a) (CPHYSADDR(a) | KSEG3)
|
||||
|
||||
/*
|
||||
* Memory segments (32bit kernel mode addresses)
|
||||
* These are the traditional names used in the 32-bit universe.
|
||||
*/
|
||||
#define KUSEG 0x00000000
|
||||
#define KSEG0 0x80000000
|
||||
#define KSEG1 0xa0000000
|
||||
#define KSEG2 0xc0000000
|
||||
#define KSEG3 0xe0000000
|
||||
|
||||
#define CKUSEG 0x00000000
|
||||
#define CKSEG0 0x80000000
|
||||
#define CKSEG1 0xa0000000
|
||||
#define CKSEG2 0xc0000000
|
||||
#define CKSEG3 0xe0000000
|
||||
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Cache modes for XKPHYS address conversion macros
|
||||
*/
|
||||
#define K_CALG_COH_EXCL1_NOL2 0
|
||||
#define K_CALG_COH_SHRL1_NOL2 1
|
||||
#define K_CALG_UNCACHED 2
|
||||
#define K_CALG_NONCOHERENT 3
|
||||
#define K_CALG_COH_EXCL 4
|
||||
#define K_CALG_COH_SHAREABLE 5
|
||||
#define K_CALG_NOTUSED 6
|
||||
#define K_CALG_UNCACHED_ACCEL 7
|
||||
|
||||
/*
|
||||
* 64-bit address conversions
|
||||
*/
|
||||
#define PHYS_TO_XKSEG_UNCACHED(p) PHYS_TO_XKPHYS(K_CALG_UNCACHED, (p))
|
||||
#define PHYS_TO_XKSEG_CACHED(p) PHYS_TO_XKPHYS(K_CALG_COH_SHAREABLE, (p))
|
||||
#define XKPHYS_TO_PHYS(p) ((p) & TO_PHYS_MASK)
|
||||
#define PHYS_TO_XKPHYS(cm, a) (_CONST64_(0x8000000000000000) | \
|
||||
(_CONST64_(cm) << 59) | (a))
|
||||
|
||||
/*
|
||||
* Returns the uncached address of a sdram address
|
||||
*/
|
||||
#ifndef __ASSEMBLY__
|
||||
#if defined(CONFIG_SOC_AU1X00) || defined(CONFIG_TB0229)
|
||||
/* We use a 36 bit physical address map here and
|
||||
cannot access physical memory directly from core */
|
||||
#define UNCACHED_SDRAM(a) (((unsigned long)(a)) | 0x20000000)
|
||||
#else /* !CONFIG_SOC_AU1X00 */
|
||||
#define UNCACHED_SDRAM(a) KSEG1ADDR(a)
|
||||
#endif /* CONFIG_SOC_AU1X00 */
|
||||
#endif /* __ASSEMBLY__ */
|
||||
|
||||
/*
|
||||
* The ultimate limited of the 64-bit MIPS architecture: 2 bits for selecting
|
||||
* the region, 3 bits for the CCA mode. This leaves 59 bits of which the
|
||||
* R8000 implements most with its 48-bit physical address space.
|
||||
*/
|
||||
#define TO_PHYS_MASK _CONST64_(0x07ffffffffffffff) /* 2^^59 - 1 */
|
||||
|
||||
#ifndef CONFIG_CPU_R8000
|
||||
|
||||
/*
|
||||
* The R8000 doesn't have the 32-bit compat spaces so we don't define them
|
||||
* in order to catch bugs in the source code.
|
||||
*/
|
||||
|
||||
#define COMPAT_K1BASE32 _CONST64_(0xffffffffa0000000)
|
||||
#define PHYS_TO_COMPATK1(x) ((x) | COMPAT_K1BASE32) /* 32-bit compat k1 */
|
||||
|
||||
#endif
|
||||
|
||||
#define KDM_TO_PHYS(x) (_ACAST64_ (x) & TO_PHYS_MASK)
|
||||
#define PHYS_TO_K0(x) (_ACAST64_ (x) | CAC_BASE)
|
||||
|
||||
#endif /* _ASM_ADDRSPACE_H */
|
409
6.1/package/boot/uboot-ipq40xx/src/arch/mips/include/asm/asm.h
Normal file
409
6.1/package/boot/uboot-ipq40xx/src/arch/mips/include/asm/asm.h
Normal file
|
@ -0,0 +1,409 @@
|
|||
/*
|
||||
* This file is subject to the terms and conditions of the GNU General Public
|
||||
* License. See the file "COPYING" in the main directory of this archive
|
||||
* for more details.
|
||||
*
|
||||
* Copyright (C) 1995, 1996, 1997, 1999, 2001 by Ralf Baechle
|
||||
* Copyright (C) 1999 by Silicon Graphics, Inc.
|
||||
* Copyright (C) 2001 MIPS Technologies, Inc.
|
||||
* Copyright (C) 2002 Maciej W. Rozycki
|
||||
*
|
||||
* Some useful macros for MIPS assembler code
|
||||
*
|
||||
* Some of the routines below contain useless nops that will be optimized
|
||||
* away by gas in -O mode. These nops are however required to fill delay
|
||||
* slots in noreorder mode.
|
||||
*/
|
||||
#ifndef __ASM_ASM_H
|
||||
#define __ASM_ASM_H
|
||||
|
||||
#include <asm/sgidefs.h>
|
||||
|
||||
#ifndef CAT
|
||||
#ifdef __STDC__
|
||||
#define __CAT(str1, str2) str1##str2
|
||||
#else
|
||||
#define __CAT(str1, str2) str1/**/str2
|
||||
#endif
|
||||
#define CAT(str1, str2) __CAT(str1, str2)
|
||||
#endif
|
||||
|
||||
/*
|
||||
* PIC specific declarations
|
||||
* Not used for the kernel but here seems to be the right place.
|
||||
*/
|
||||
#ifdef __PIC__
|
||||
#define CPRESTORE(register) \
|
||||
.cprestore register
|
||||
#define CPADD(register) \
|
||||
.cpadd register
|
||||
#define CPLOAD(register) \
|
||||
.cpload register
|
||||
#else
|
||||
#define CPRESTORE(register)
|
||||
#define CPADD(register)
|
||||
#define CPLOAD(register)
|
||||
#endif
|
||||
|
||||
/*
|
||||
* LEAF - declare leaf routine
|
||||
*/
|
||||
#define LEAF(symbol) \
|
||||
.globl symbol; \
|
||||
.align 2; \
|
||||
.type symbol, @function; \
|
||||
.ent symbol, 0; \
|
||||
symbol: .frame sp, 0, ra
|
||||
|
||||
/*
|
||||
* NESTED - declare nested routine entry point
|
||||
*/
|
||||
#define NESTED(symbol, framesize, rpc) \
|
||||
.globl symbol; \
|
||||
.align 2; \
|
||||
.type symbol, @function; \
|
||||
.ent symbol, 0; \
|
||||
symbol: .frame sp, framesize, rpc
|
||||
|
||||
/*
|
||||
* END - mark end of function
|
||||
*/
|
||||
#define END(function) \
|
||||
.end function; \
|
||||
.size function, .-function
|
||||
|
||||
/*
|
||||
* EXPORT - export definition of symbol
|
||||
*/
|
||||
#define EXPORT(symbol) \
|
||||
.globl symbol; \
|
||||
symbol:
|
||||
|
||||
/*
|
||||
* FEXPORT - export definition of a function symbol
|
||||
*/
|
||||
#define FEXPORT(symbol) \
|
||||
.globl symbol; \
|
||||
.type symbol, @function; \
|
||||
symbol:
|
||||
|
||||
/*
|
||||
* ABS - export absolute symbol
|
||||
*/
|
||||
#define ABS(symbol,value) \
|
||||
.globl symbol; \
|
||||
symbol = value
|
||||
|
||||
#define PANIC(msg) \
|
||||
.set push; \
|
||||
.set reorder; \
|
||||
PTR_LA a0, 8f; \
|
||||
jal panic; \
|
||||
9: b 9b; \
|
||||
.set pop; \
|
||||
TEXT(msg)
|
||||
|
||||
/*
|
||||
* Print formatted string
|
||||
*/
|
||||
#ifdef CONFIG_PRINTK
|
||||
#define PRINT(string) \
|
||||
.set push; \
|
||||
.set reorder; \
|
||||
PTR_LA a0, 8f; \
|
||||
jal printk; \
|
||||
.set pop; \
|
||||
TEXT(string)
|
||||
#else
|
||||
#define PRINT(string)
|
||||
#endif
|
||||
|
||||
#define TEXT(msg) \
|
||||
.pushsection .data; \
|
||||
8: .asciiz msg; \
|
||||
.popsection;
|
||||
|
||||
/*
|
||||
* Build text tables
|
||||
*/
|
||||
#define TTABLE(string) \
|
||||
.pushsection .text; \
|
||||
.word 1f; \
|
||||
.popsection \
|
||||
.pushsection .data; \
|
||||
1: .asciiz string; \
|
||||
.popsection
|
||||
|
||||
/*
|
||||
* MIPS IV pref instruction.
|
||||
* Use with .set noreorder only!
|
||||
*
|
||||
* MIPS IV implementations are free to treat this as a nop. The R5000
|
||||
* is one of them. So we should have an option not to use this instruction.
|
||||
*/
|
||||
#ifdef CONFIG_CPU_HAS_PREFETCH
|
||||
|
||||
#define PREF(hint,addr) \
|
||||
.set push; \
|
||||
.set mips4; \
|
||||
pref hint, addr; \
|
||||
.set pop
|
||||
|
||||
#define PREFX(hint,addr) \
|
||||
.set push; \
|
||||
.set mips4; \
|
||||
prefx hint, addr; \
|
||||
.set pop
|
||||
|
||||
#else /* !CONFIG_CPU_HAS_PREFETCH */
|
||||
|
||||
#define PREF(hint, addr)
|
||||
#define PREFX(hint, addr)
|
||||
|
||||
#endif /* !CONFIG_CPU_HAS_PREFETCH */
|
||||
|
||||
/*
|
||||
* MIPS ISA IV/V movn/movz instructions and equivalents for older CPUs.
|
||||
*/
|
||||
#if (_MIPS_ISA == _MIPS_ISA_MIPS1)
|
||||
#define MOVN(rd, rs, rt) \
|
||||
.set push; \
|
||||
.set reorder; \
|
||||
beqz rt, 9f; \
|
||||
move rd, rs; \
|
||||
.set pop; \
|
||||
9:
|
||||
#define MOVZ(rd, rs, rt) \
|
||||
.set push; \
|
||||
.set reorder; \
|
||||
bnez rt, 9f; \
|
||||
move rd, rs; \
|
||||
.set pop; \
|
||||
9:
|
||||
#endif /* _MIPS_ISA == _MIPS_ISA_MIPS1 */
|
||||
#if (_MIPS_ISA == _MIPS_ISA_MIPS2) || (_MIPS_ISA == _MIPS_ISA_MIPS3)
|
||||
#define MOVN(rd, rs, rt) \
|
||||
.set push; \
|
||||
.set noreorder; \
|
||||
bnezl rt, 9f; \
|
||||
move rd, rs; \
|
||||
.set pop; \
|
||||
9:
|
||||
#define MOVZ(rd, rs, rt) \
|
||||
.set push; \
|
||||
.set noreorder; \
|
||||
beqzl rt, 9f; \
|
||||
move rd, rs; \
|
||||
.set pop; \
|
||||
9:
|
||||
#endif /* (_MIPS_ISA == _MIPS_ISA_MIPS2) || (_MIPS_ISA == _MIPS_ISA_MIPS3) */
|
||||
#if (_MIPS_ISA == _MIPS_ISA_MIPS4 ) || (_MIPS_ISA == _MIPS_ISA_MIPS5) || \
|
||||
(_MIPS_ISA == _MIPS_ISA_MIPS32) || (_MIPS_ISA == _MIPS_ISA_MIPS64)
|
||||
#define MOVN(rd, rs, rt) \
|
||||
movn rd, rs, rt
|
||||
#define MOVZ(rd, rs, rt) \
|
||||
movz rd, rs, rt
|
||||
#endif /* MIPS IV, MIPS V, MIPS32 or MIPS64 */
|
||||
|
||||
/*
|
||||
* Stack alignment
|
||||
*/
|
||||
#if (_MIPS_SIM == _MIPS_SIM_ABI32)
|
||||
#define ALSZ 7
|
||||
#define ALMASK ~7
|
||||
#endif
|
||||
#if (_MIPS_SIM == _MIPS_SIM_NABI32) || (_MIPS_SIM == _MIPS_SIM_ABI64)
|
||||
#define ALSZ 15
|
||||
#define ALMASK ~15
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Macros to handle different pointer/register sizes for 32/64-bit code
|
||||
*/
|
||||
|
||||
/*
|
||||
* Size of a register
|
||||
*/
|
||||
#ifdef __mips64
|
||||
#define SZREG 8
|
||||
#else
|
||||
#define SZREG 4
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Use the following macros in assemblercode to load/store registers,
|
||||
* pointers etc.
|
||||
*/
|
||||
#if (_MIPS_SIM == _MIPS_SIM_ABI32)
|
||||
#define REG_S sw
|
||||
#define REG_L lw
|
||||
#define REG_SUBU subu
|
||||
#define REG_ADDU addu
|
||||
#endif
|
||||
#if (_MIPS_SIM == _MIPS_SIM_NABI32) || (_MIPS_SIM == _MIPS_SIM_ABI64)
|
||||
#define REG_S sd
|
||||
#define REG_L ld
|
||||
#define REG_SUBU dsubu
|
||||
#define REG_ADDU daddu
|
||||
#endif
|
||||
|
||||
/*
|
||||
* How to add/sub/load/store/shift C int variables.
|
||||
*/
|
||||
#if (_MIPS_SZINT == 32)
|
||||
#define INT_ADD add
|
||||
#define INT_ADDU addu
|
||||
#define INT_ADDI addi
|
||||
#define INT_ADDIU addiu
|
||||
#define INT_SUB sub
|
||||
#define INT_SUBU subu
|
||||
#define INT_L lw
|
||||
#define INT_S sw
|
||||
#define INT_SLL sll
|
||||
#define INT_SLLV sllv
|
||||
#define INT_SRL srl
|
||||
#define INT_SRLV srlv
|
||||
#define INT_SRA sra
|
||||
#define INT_SRAV srav
|
||||
#endif
|
||||
|
||||
#if (_MIPS_SZINT == 64)
|
||||
#define INT_ADD dadd
|
||||
#define INT_ADDU daddu
|
||||
#define INT_ADDI daddi
|
||||
#define INT_ADDIU daddiu
|
||||
#define INT_SUB dsub
|
||||
#define INT_SUBU dsubu
|
||||
#define INT_L ld
|
||||
#define INT_S sd
|
||||
#define INT_SLL dsll
|
||||
#define INT_SLLV dsllv
|
||||
#define INT_SRL dsrl
|
||||
#define INT_SRLV dsrlv
|
||||
#define INT_SRA dsra
|
||||
#define INT_SRAV dsrav
|
||||
#endif
|
||||
|
||||
/*
|
||||
* How to add/sub/load/store/shift C long variables.
|
||||
*/
|
||||
#if (_MIPS_SZLONG == 32)
|
||||
#define LONG_ADD add
|
||||
#define LONG_ADDU addu
|
||||
#define LONG_ADDI addi
|
||||
#define LONG_ADDIU addiu
|
||||
#define LONG_SUB sub
|
||||
#define LONG_SUBU subu
|
||||
#define LONG_L lw
|
||||
#define LONG_S sw
|
||||
#define LONG_SLL sll
|
||||
#define LONG_SLLV sllv
|
||||
#define LONG_SRL srl
|
||||
#define LONG_SRLV srlv
|
||||
#define LONG_SRA sra
|
||||
#define LONG_SRAV srav
|
||||
|
||||
#define LONG .word
|
||||
#define LONGSIZE 4
|
||||
#define LONGMASK 3
|
||||
#define LONGLOG 2
|
||||
#endif
|
||||
|
||||
#if (_MIPS_SZLONG == 64)
|
||||
#define LONG_ADD dadd
|
||||
#define LONG_ADDU daddu
|
||||
#define LONG_ADDI daddi
|
||||
#define LONG_ADDIU daddiu
|
||||
#define LONG_SUB dsub
|
||||
#define LONG_SUBU dsubu
|
||||
#define LONG_L ld
|
||||
#define LONG_S sd
|
||||
#define LONG_SLL dsll
|
||||
#define LONG_SLLV dsllv
|
||||
#define LONG_SRL dsrl
|
||||
#define LONG_SRLV dsrlv
|
||||
#define LONG_SRA dsra
|
||||
#define LONG_SRAV dsrav
|
||||
|
||||
#define LONG .dword
|
||||
#define LONGSIZE 8
|
||||
#define LONGMASK 7
|
||||
#define LONGLOG 3
|
||||
#endif
|
||||
|
||||
/*
|
||||
* How to add/sub/load/store/shift pointers.
|
||||
*/
|
||||
#if (_MIPS_SZPTR == 32)
|
||||
#define PTR_ADD add
|
||||
#define PTR_ADDU addu
|
||||
#define PTR_ADDI addi
|
||||
#define PTR_ADDIU addiu
|
||||
#define PTR_SUB sub
|
||||
#define PTR_SUBU subu
|
||||
#define PTR_L lw
|
||||
#define PTR_S sw
|
||||
#define PTR_LA la
|
||||
#define PTR_LI li
|
||||
#define PTR_SLL sll
|
||||
#define PTR_SLLV sllv
|
||||
#define PTR_SRL srl
|
||||
#define PTR_SRLV srlv
|
||||
#define PTR_SRA sra
|
||||
#define PTR_SRAV srav
|
||||
|
||||
#define PTR_SCALESHIFT 2
|
||||
|
||||
#define PTR .word
|
||||
#define PTRSIZE 4
|
||||
#define PTRLOG 2
|
||||
#endif
|
||||
|
||||
#if (_MIPS_SZPTR == 64)
|
||||
#define PTR_ADD dadd
|
||||
#define PTR_ADDU daddu
|
||||
#define PTR_ADDI daddi
|
||||
#define PTR_ADDIU daddiu
|
||||
#define PTR_SUB dsub
|
||||
#define PTR_SUBU dsubu
|
||||
#define PTR_L ld
|
||||
#define PTR_S sd
|
||||
#define PTR_LA dla
|
||||
#define PTR_LI dli
|
||||
#define PTR_SLL dsll
|
||||
#define PTR_SLLV dsllv
|
||||
#define PTR_SRL dsrl
|
||||
#define PTR_SRLV dsrlv
|
||||
#define PTR_SRA dsra
|
||||
#define PTR_SRAV dsrav
|
||||
|
||||
#define PTR_SCALESHIFT 3
|
||||
|
||||
#define PTR .dword
|
||||
#define PTRSIZE 8
|
||||
#define PTRLOG 3
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Some cp0 registers were extended to 64bit for MIPS III.
|
||||
*/
|
||||
#if (_MIPS_SIM == _MIPS_SIM_ABI32)
|
||||
#define MFC0 mfc0
|
||||
#define MTC0 mtc0
|
||||
#endif
|
||||
#if (_MIPS_SIM == _MIPS_SIM_NABI32) || (_MIPS_SIM == _MIPS_SIM_ABI64)
|
||||
#define MFC0 dmfc0
|
||||
#define MTC0 dmtc0
|
||||
#endif
|
||||
|
||||
#define SSNOP sll zero, zero, 1
|
||||
|
||||
#ifdef CONFIG_SGI_IP28
|
||||
/* Inhibit speculative stores to volatile (e.g.DMA) or invalid addresses. */
|
||||
#include <asm/cacheops.h>
|
||||
#define R10KCBARRIER(addr) cache Cache_Barrier, addr;
|
||||
#else
|
||||
#define R10KCBARRIER(addr)
|
||||
#endif
|
||||
|
||||
#endif /* __ASM_ASM_H */
|
1090
6.1/package/boot/uboot-ipq40xx/src/arch/mips/include/asm/au1x00.h
Normal file
1090
6.1/package/boot/uboot-ipq40xx/src/arch/mips/include/asm/au1x00.h
Normal file
File diff suppressed because it is too large
Load diff
|
@ -0,0 +1,902 @@
|
|||
/*
|
||||
* This file is subject to the terms and conditions of the GNU General Public
|
||||
* License. See the file "COPYING" in the main directory of this archive
|
||||
* for more details.
|
||||
*
|
||||
* Copyright (c) 1994 - 1997, 1999, 2000 Ralf Baechle (ralf@gnu.org)
|
||||
* Copyright (c) 2000 Silicon Graphics, Inc.
|
||||
*/
|
||||
#ifndef _ASM_BITOPS_H
|
||||
#define _ASM_BITOPS_H
|
||||
|
||||
#include <linux/types.h>
|
||||
#include <asm/byteorder.h> /* sigh ... */
|
||||
|
||||
#ifdef __KERNEL__
|
||||
|
||||
#include <asm/sgidefs.h>
|
||||
#include <asm/system.h>
|
||||
#include <linux/config.h>
|
||||
|
||||
/*
|
||||
* clear_bit() doesn't provide any barrier for the compiler.
|
||||
*/
|
||||
#define smp_mb__before_clear_bit() barrier()
|
||||
#define smp_mb__after_clear_bit() barrier()
|
||||
|
||||
/*
|
||||
* Only disable interrupt for kernel mode stuff to keep usermode stuff
|
||||
* that dares to use kernel include files alive.
|
||||
*/
|
||||
#define __bi_flags unsigned long flags
|
||||
#define __bi_cli() __cli()
|
||||
#define __bi_save_flags(x) __save_flags(x)
|
||||
#define __bi_save_and_cli(x) __save_and_cli(x)
|
||||
#define __bi_restore_flags(x) __restore_flags(x)
|
||||
#else
|
||||
#define __bi_flags
|
||||
#define __bi_cli()
|
||||
#define __bi_save_flags(x)
|
||||
#define __bi_save_and_cli(x)
|
||||
#define __bi_restore_flags(x)
|
||||
#endif /* __KERNEL__ */
|
||||
|
||||
#ifdef CONFIG_CPU_HAS_LLSC
|
||||
|
||||
#include <asm/mipsregs.h>
|
||||
|
||||
/*
|
||||
* These functions for MIPS ISA > 1 are interrupt and SMP proof and
|
||||
* interrupt friendly
|
||||
*/
|
||||
|
||||
/*
|
||||
* set_bit - Atomically set a bit in memory
|
||||
* @nr: the bit to set
|
||||
* @addr: the address to start counting from
|
||||
*
|
||||
* This function is atomic and may not be reordered. See __set_bit()
|
||||
* if you do not require the atomic guarantees.
|
||||
* Note that @nr may be almost arbitrarily large; this function is not
|
||||
* restricted to acting on a single-word quantity.
|
||||
*/
|
||||
static __inline__ void
|
||||
set_bit(int nr, volatile void *addr)
|
||||
{
|
||||
unsigned long *m = ((unsigned long *) addr) + (nr >> 5);
|
||||
unsigned long temp;
|
||||
|
||||
__asm__ __volatile__(
|
||||
"1:\tll\t%0, %1\t\t# set_bit\n\t"
|
||||
"or\t%0, %2\n\t"
|
||||
"sc\t%0, %1\n\t"
|
||||
"beqz\t%0, 1b"
|
||||
: "=&r" (temp), "=m" (*m)
|
||||
: "ir" (1UL << (nr & 0x1f)), "m" (*m));
|
||||
}
|
||||
|
||||
/*
|
||||
* __set_bit - Set a bit in memory
|
||||
* @nr: the bit to set
|
||||
* @addr: the address to start counting from
|
||||
*
|
||||
* Unlike set_bit(), this function is non-atomic and may be reordered.
|
||||
* If it's called on the same region of memory simultaneously, the effect
|
||||
* may be that only one operation succeeds.
|
||||
*/
|
||||
static __inline__ void __set_bit(int nr, volatile void * addr)
|
||||
{
|
||||
unsigned long * m = ((unsigned long *) addr) + (nr >> 5);
|
||||
|
||||
*m |= 1UL << (nr & 31);
|
||||
}
|
||||
#define PLATFORM__SET_BIT
|
||||
|
||||
/*
|
||||
* clear_bit - Clears a bit in memory
|
||||
* @nr: Bit to clear
|
||||
* @addr: Address to start counting from
|
||||
*
|
||||
* clear_bit() is atomic and may not be reordered. However, it does
|
||||
* not contain a memory barrier, so if it is used for locking purposes,
|
||||
* you should call smp_mb__before_clear_bit() and/or smp_mb__after_clear_bit()
|
||||
* in order to ensure changes are visible on other processors.
|
||||
*/
|
||||
static __inline__ void
|
||||
clear_bit(int nr, volatile void *addr)
|
||||
{
|
||||
unsigned long *m = ((unsigned long *) addr) + (nr >> 5);
|
||||
unsigned long temp;
|
||||
|
||||
__asm__ __volatile__(
|
||||
"1:\tll\t%0, %1\t\t# clear_bit\n\t"
|
||||
"and\t%0, %2\n\t"
|
||||
"sc\t%0, %1\n\t"
|
||||
"beqz\t%0, 1b\n\t"
|
||||
: "=&r" (temp), "=m" (*m)
|
||||
: "ir" (~(1UL << (nr & 0x1f))), "m" (*m));
|
||||
}
|
||||
|
||||
/*
|
||||
* change_bit - Toggle a bit in memory
|
||||
* @nr: Bit to clear
|
||||
* @addr: Address to start counting from
|
||||
*
|
||||
* change_bit() is atomic and may not be reordered.
|
||||
* Note that @nr may be almost arbitrarily large; this function is not
|
||||
* restricted to acting on a single-word quantity.
|
||||
*/
|
||||
static __inline__ void
|
||||
change_bit(int nr, volatile void *addr)
|
||||
{
|
||||
unsigned long *m = ((unsigned long *) addr) + (nr >> 5);
|
||||
unsigned long temp;
|
||||
|
||||
__asm__ __volatile__(
|
||||
"1:\tll\t%0, %1\t\t# change_bit\n\t"
|
||||
"xor\t%0, %2\n\t"
|
||||
"sc\t%0, %1\n\t"
|
||||
"beqz\t%0, 1b"
|
||||
: "=&r" (temp), "=m" (*m)
|
||||
: "ir" (1UL << (nr & 0x1f)), "m" (*m));
|
||||
}
|
||||
|
||||
/*
|
||||
* __change_bit - Toggle a bit in memory
|
||||
* @nr: the bit to set
|
||||
* @addr: the address to start counting from
|
||||
*
|
||||
* Unlike change_bit(), this function is non-atomic and may be reordered.
|
||||
* If it's called on the same region of memory simultaneously, the effect
|
||||
* may be that only one operation succeeds.
|
||||
*/
|
||||
static __inline__ void __change_bit(int nr, volatile void * addr)
|
||||
{
|
||||
unsigned long * m = ((unsigned long *) addr) + (nr >> 5);
|
||||
|
||||
*m ^= 1UL << (nr & 31);
|
||||
}
|
||||
|
||||
/*
|
||||
* test_and_set_bit - Set a bit and return its old value
|
||||
* @nr: Bit to set
|
||||
* @addr: Address to count from
|
||||
*
|
||||
* This operation is atomic and cannot be reordered.
|
||||
* It also implies a memory barrier.
|
||||
*/
|
||||
static __inline__ int
|
||||
test_and_set_bit(int nr, volatile void *addr)
|
||||
{
|
||||
unsigned long *m = ((unsigned long *) addr) + (nr >> 5);
|
||||
unsigned long temp, res;
|
||||
|
||||
__asm__ __volatile__(
|
||||
".set\tnoreorder\t\t# test_and_set_bit\n"
|
||||
"1:\tll\t%0, %1\n\t"
|
||||
"or\t%2, %0, %3\n\t"
|
||||
"sc\t%2, %1\n\t"
|
||||
"beqz\t%2, 1b\n\t"
|
||||
" and\t%2, %0, %3\n\t"
|
||||
".set\treorder"
|
||||
: "=&r" (temp), "=m" (*m), "=&r" (res)
|
||||
: "r" (1UL << (nr & 0x1f)), "m" (*m)
|
||||
: "memory");
|
||||
|
||||
return res != 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* __test_and_set_bit - Set a bit and return its old value
|
||||
* @nr: Bit to set
|
||||
* @addr: Address to count from
|
||||
*
|
||||
* This operation is non-atomic and can be reordered.
|
||||
* If two examples of this operation race, one can appear to succeed
|
||||
* but actually fail. You must protect multiple accesses with a lock.
|
||||
*/
|
||||
static __inline__ int __test_and_set_bit(int nr, volatile void * addr)
|
||||
{
|
||||
int mask, retval;
|
||||
volatile int *a = addr;
|
||||
|
||||
a += nr >> 5;
|
||||
mask = 1 << (nr & 0x1f);
|
||||
retval = (mask & *a) != 0;
|
||||
*a |= mask;
|
||||
|
||||
return retval;
|
||||
}
|
||||
|
||||
/*
|
||||
* test_and_clear_bit - Clear a bit and return its old value
|
||||
* @nr: Bit to set
|
||||
* @addr: Address to count from
|
||||
*
|
||||
* This operation is atomic and cannot be reordered.
|
||||
* It also implies a memory barrier.
|
||||
*/
|
||||
static __inline__ int
|
||||
test_and_clear_bit(int nr, volatile void *addr)
|
||||
{
|
||||
unsigned long *m = ((unsigned long *) addr) + (nr >> 5);
|
||||
unsigned long temp, res;
|
||||
|
||||
__asm__ __volatile__(
|
||||
".set\tnoreorder\t\t# test_and_clear_bit\n"
|
||||
"1:\tll\t%0, %1\n\t"
|
||||
"or\t%2, %0, %3\n\t"
|
||||
"xor\t%2, %3\n\t"
|
||||
"sc\t%2, %1\n\t"
|
||||
"beqz\t%2, 1b\n\t"
|
||||
" and\t%2, %0, %3\n\t"
|
||||
".set\treorder"
|
||||
: "=&r" (temp), "=m" (*m), "=&r" (res)
|
||||
: "r" (1UL << (nr & 0x1f)), "m" (*m)
|
||||
: "memory");
|
||||
|
||||
return res != 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* __test_and_clear_bit - Clear a bit and return its old value
|
||||
* @nr: Bit to set
|
||||
* @addr: Address to count from
|
||||
*
|
||||
* This operation is non-atomic and can be reordered.
|
||||
* If two examples of this operation race, one can appear to succeed
|
||||
* but actually fail. You must protect multiple accesses with a lock.
|
||||
*/
|
||||
static __inline__ int __test_and_clear_bit(int nr, volatile void * addr)
|
||||
{
|
||||
int mask, retval;
|
||||
volatile int *a = addr;
|
||||
|
||||
a += nr >> 5;
|
||||
mask = 1 << (nr & 0x1f);
|
||||
retval = (mask & *a) != 0;
|
||||
*a &= ~mask;
|
||||
|
||||
return retval;
|
||||
}
|
||||
|
||||
/*
|
||||
* test_and_change_bit - Change a bit and return its new value
|
||||
* @nr: Bit to set
|
||||
* @addr: Address to count from
|
||||
*
|
||||
* This operation is atomic and cannot be reordered.
|
||||
* It also implies a memory barrier.
|
||||
*/
|
||||
static __inline__ int
|
||||
test_and_change_bit(int nr, volatile void *addr)
|
||||
{
|
||||
unsigned long *m = ((unsigned long *) addr) + (nr >> 5);
|
||||
unsigned long temp, res;
|
||||
|
||||
__asm__ __volatile__(
|
||||
".set\tnoreorder\t\t# test_and_change_bit\n"
|
||||
"1:\tll\t%0, %1\n\t"
|
||||
"xor\t%2, %0, %3\n\t"
|
||||
"sc\t%2, %1\n\t"
|
||||
"beqz\t%2, 1b\n\t"
|
||||
" and\t%2, %0, %3\n\t"
|
||||
".set\treorder"
|
||||
: "=&r" (temp), "=m" (*m), "=&r" (res)
|
||||
: "r" (1UL << (nr & 0x1f)), "m" (*m)
|
||||
: "memory");
|
||||
|
||||
return res != 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* __test_and_change_bit - Change a bit and return its old value
|
||||
* @nr: Bit to set
|
||||
* @addr: Address to count from
|
||||
*
|
||||
* This operation is non-atomic and can be reordered.
|
||||
* If two examples of this operation race, one can appear to succeed
|
||||
* but actually fail. You must protect multiple accesses with a lock.
|
||||
*/
|
||||
static __inline__ int __test_and_change_bit(int nr, volatile void * addr)
|
||||
{
|
||||
int mask, retval;
|
||||
volatile int *a = addr;
|
||||
|
||||
a += nr >> 5;
|
||||
mask = 1 << (nr & 0x1f);
|
||||
retval = (mask & *a) != 0;
|
||||
*a ^= mask;
|
||||
|
||||
return retval;
|
||||
}
|
||||
|
||||
#else /* MIPS I */
|
||||
|
||||
/*
|
||||
* set_bit - Atomically set a bit in memory
|
||||
* @nr: the bit to set
|
||||
* @addr: the address to start counting from
|
||||
*
|
||||
* This function is atomic and may not be reordered. See __set_bit()
|
||||
* if you do not require the atomic guarantees.
|
||||
* Note that @nr may be almost arbitrarily large; this function is not
|
||||
* restricted to acting on a single-word quantity.
|
||||
*/
|
||||
static __inline__ void set_bit(int nr, volatile void * addr)
|
||||
{
|
||||
int mask;
|
||||
volatile int *a = addr;
|
||||
__bi_flags;
|
||||
|
||||
a += nr >> 5;
|
||||
mask = 1 << (nr & 0x1f);
|
||||
__bi_save_and_cli(flags);
|
||||
*a |= mask;
|
||||
__bi_restore_flags(flags);
|
||||
}
|
||||
|
||||
/*
|
||||
* __set_bit - Set a bit in memory
|
||||
* @nr: the bit to set
|
||||
* @addr: the address to start counting from
|
||||
*
|
||||
* Unlike set_bit(), this function is non-atomic and may be reordered.
|
||||
* If it's called on the same region of memory simultaneously, the effect
|
||||
* may be that only one operation succeeds.
|
||||
*/
|
||||
static __inline__ void __set_bit(int nr, volatile void * addr)
|
||||
{
|
||||
int mask;
|
||||
volatile int *a = addr;
|
||||
|
||||
a += nr >> 5;
|
||||
mask = 1 << (nr & 0x1f);
|
||||
*a |= mask;
|
||||
}
|
||||
|
||||
/*
|
||||
* clear_bit - Clears a bit in memory
|
||||
* @nr: Bit to clear
|
||||
* @addr: Address to start counting from
|
||||
*
|
||||
* clear_bit() is atomic and may not be reordered. However, it does
|
||||
* not contain a memory barrier, so if it is used for locking purposes,
|
||||
* you should call smp_mb__before_clear_bit() and/or smp_mb__after_clear_bit()
|
||||
* in order to ensure changes are visible on other processors.
|
||||
*/
|
||||
static __inline__ void clear_bit(int nr, volatile void * addr)
|
||||
{
|
||||
int mask;
|
||||
volatile int *a = addr;
|
||||
__bi_flags;
|
||||
|
||||
a += nr >> 5;
|
||||
mask = 1 << (nr & 0x1f);
|
||||
__bi_save_and_cli(flags);
|
||||
*a &= ~mask;
|
||||
__bi_restore_flags(flags);
|
||||
}
|
||||
|
||||
/*
|
||||
* change_bit - Toggle a bit in memory
|
||||
* @nr: Bit to clear
|
||||
* @addr: Address to start counting from
|
||||
*
|
||||
* change_bit() is atomic and may not be reordered.
|
||||
* Note that @nr may be almost arbitrarily large; this function is not
|
||||
* restricted to acting on a single-word quantity.
|
||||
*/
|
||||
static __inline__ void change_bit(int nr, volatile void * addr)
|
||||
{
|
||||
int mask;
|
||||
volatile int *a = addr;
|
||||
__bi_flags;
|
||||
|
||||
a += nr >> 5;
|
||||
mask = 1 << (nr & 0x1f);
|
||||
__bi_save_and_cli(flags);
|
||||
*a ^= mask;
|
||||
__bi_restore_flags(flags);
|
||||
}
|
||||
|
||||
/*
|
||||
* __change_bit - Toggle a bit in memory
|
||||
* @nr: the bit to set
|
||||
* @addr: the address to start counting from
|
||||
*
|
||||
* Unlike change_bit(), this function is non-atomic and may be reordered.
|
||||
* If it's called on the same region of memory simultaneously, the effect
|
||||
* may be that only one operation succeeds.
|
||||
*/
|
||||
static __inline__ void __change_bit(int nr, volatile void * addr)
|
||||
{
|
||||
unsigned long * m = ((unsigned long *) addr) + (nr >> 5);
|
||||
|
||||
*m ^= 1UL << (nr & 31);
|
||||
}
|
||||
|
||||
/*
|
||||
* test_and_set_bit - Set a bit and return its old value
|
||||
* @nr: Bit to set
|
||||
* @addr: Address to count from
|
||||
*
|
||||
* This operation is atomic and cannot be reordered.
|
||||
* It also implies a memory barrier.
|
||||
*/
|
||||
static __inline__ int test_and_set_bit(int nr, volatile void * addr)
|
||||
{
|
||||
int mask, retval;
|
||||
volatile int *a = addr;
|
||||
__bi_flags;
|
||||
|
||||
a += nr >> 5;
|
||||
mask = 1 << (nr & 0x1f);
|
||||
__bi_save_and_cli(flags);
|
||||
retval = (mask & *a) != 0;
|
||||
*a |= mask;
|
||||
__bi_restore_flags(flags);
|
||||
|
||||
return retval;
|
||||
}
|
||||
|
||||
/*
|
||||
* __test_and_set_bit - Set a bit and return its old value
|
||||
* @nr: Bit to set
|
||||
* @addr: Address to count from
|
||||
*
|
||||
* This operation is non-atomic and can be reordered.
|
||||
* If two examples of this operation race, one can appear to succeed
|
||||
* but actually fail. You must protect multiple accesses with a lock.
|
||||
*/
|
||||
static __inline__ int __test_and_set_bit(int nr, volatile void * addr)
|
||||
{
|
||||
int mask, retval;
|
||||
volatile int *a = addr;
|
||||
|
||||
a += nr >> 5;
|
||||
mask = 1 << (nr & 0x1f);
|
||||
retval = (mask & *a) != 0;
|
||||
*a |= mask;
|
||||
|
||||
return retval;
|
||||
}
|
||||
|
||||
/*
|
||||
* test_and_clear_bit - Clear a bit and return its old value
|
||||
* @nr: Bit to set
|
||||
* @addr: Address to count from
|
||||
*
|
||||
* This operation is atomic and cannot be reordered.
|
||||
* It also implies a memory barrier.
|
||||
*/
|
||||
static __inline__ int test_and_clear_bit(int nr, volatile void * addr)
|
||||
{
|
||||
int mask, retval;
|
||||
volatile int *a = addr;
|
||||
__bi_flags;
|
||||
|
||||
a += nr >> 5;
|
||||
mask = 1 << (nr & 0x1f);
|
||||
__bi_save_and_cli(flags);
|
||||
retval = (mask & *a) != 0;
|
||||
*a &= ~mask;
|
||||
__bi_restore_flags(flags);
|
||||
|
||||
return retval;
|
||||
}
|
||||
|
||||
/*
|
||||
* __test_and_clear_bit - Clear a bit and return its old value
|
||||
* @nr: Bit to set
|
||||
* @addr: Address to count from
|
||||
*
|
||||
* This operation is non-atomic and can be reordered.
|
||||
* If two examples of this operation race, one can appear to succeed
|
||||
* but actually fail. You must protect multiple accesses with a lock.
|
||||
*/
|
||||
static __inline__ int __test_and_clear_bit(int nr, volatile void * addr)
|
||||
{
|
||||
int mask, retval;
|
||||
volatile int *a = addr;
|
||||
|
||||
a += nr >> 5;
|
||||
mask = 1 << (nr & 0x1f);
|
||||
retval = (mask & *a) != 0;
|
||||
*a &= ~mask;
|
||||
|
||||
return retval;
|
||||
}
|
||||
|
||||
/*
|
||||
* test_and_change_bit - Change a bit and return its new value
|
||||
* @nr: Bit to set
|
||||
* @addr: Address to count from
|
||||
*
|
||||
* This operation is atomic and cannot be reordered.
|
||||
* It also implies a memory barrier.
|
||||
*/
|
||||
static __inline__ int test_and_change_bit(int nr, volatile void * addr)
|
||||
{
|
||||
int mask, retval;
|
||||
volatile int *a = addr;
|
||||
__bi_flags;
|
||||
|
||||
a += nr >> 5;
|
||||
mask = 1 << (nr & 0x1f);
|
||||
__bi_save_and_cli(flags);
|
||||
retval = (mask & *a) != 0;
|
||||
*a ^= mask;
|
||||
__bi_restore_flags(flags);
|
||||
|
||||
return retval;
|
||||
}
|
||||
|
||||
/*
|
||||
* __test_and_change_bit - Change a bit and return its old value
|
||||
* @nr: Bit to set
|
||||
* @addr: Address to count from
|
||||
*
|
||||
* This operation is non-atomic and can be reordered.
|
||||
* If two examples of this operation race, one can appear to succeed
|
||||
* but actually fail. You must protect multiple accesses with a lock.
|
||||
*/
|
||||
static __inline__ int __test_and_change_bit(int nr, volatile void * addr)
|
||||
{
|
||||
int mask, retval;
|
||||
volatile int *a = addr;
|
||||
|
||||
a += nr >> 5;
|
||||
mask = 1 << (nr & 0x1f);
|
||||
retval = (mask & *a) != 0;
|
||||
*a ^= mask;
|
||||
|
||||
return retval;
|
||||
}
|
||||
|
||||
#undef __bi_flags
|
||||
#undef __bi_cli
|
||||
#undef __bi_save_flags
|
||||
#undef __bi_restore_flags
|
||||
|
||||
#endif /* MIPS I */
|
||||
|
||||
/*
|
||||
* test_bit - Determine whether a bit is set
|
||||
* @nr: bit number to test
|
||||
* @addr: Address to start counting from
|
||||
*/
|
||||
static __inline__ int test_bit(int nr, volatile void *addr)
|
||||
{
|
||||
return ((1UL << (nr & 31)) & (((const unsigned int *) addr)[nr >> 5])) != 0;
|
||||
}
|
||||
|
||||
#ifndef __MIPSEB__
|
||||
|
||||
/* Little endian versions. */
|
||||
|
||||
/*
|
||||
* find_first_zero_bit - find the first zero bit in a memory region
|
||||
* @addr: The address to start the search at
|
||||
* @size: The maximum size to search
|
||||
*
|
||||
* Returns the bit-number of the first zero bit, not the number of the byte
|
||||
* containing a bit.
|
||||
*/
|
||||
static __inline__ int find_first_zero_bit (void *addr, unsigned size)
|
||||
{
|
||||
unsigned long dummy;
|
||||
int res;
|
||||
|
||||
if (!size)
|
||||
return 0;
|
||||
|
||||
__asm__ (".set\tnoreorder\n\t"
|
||||
".set\tnoat\n"
|
||||
"1:\tsubu\t$1,%6,%0\n\t"
|
||||
"blez\t$1,2f\n\t"
|
||||
"lw\t$1,(%5)\n\t"
|
||||
"addiu\t%5,4\n\t"
|
||||
#if (_MIPS_ISA == _MIPS_ISA_MIPS2 ) || (_MIPS_ISA == _MIPS_ISA_MIPS3 ) || \
|
||||
(_MIPS_ISA == _MIPS_ISA_MIPS4 ) || (_MIPS_ISA == _MIPS_ISA_MIPS5 ) || \
|
||||
(_MIPS_ISA == _MIPS_ISA_MIPS32) || (_MIPS_ISA == _MIPS_ISA_MIPS64)
|
||||
"beql\t%1,$1,1b\n\t"
|
||||
"addiu\t%0,32\n\t"
|
||||
#else
|
||||
"addiu\t%0,32\n\t"
|
||||
"beq\t%1,$1,1b\n\t"
|
||||
"nop\n\t"
|
||||
"subu\t%0,32\n\t"
|
||||
#endif
|
||||
#ifdef __MIPSEB__
|
||||
#error "Fix this for big endian"
|
||||
#endif /* __MIPSEB__ */
|
||||
"li\t%1,1\n"
|
||||
"1:\tand\t%2,$1,%1\n\t"
|
||||
"beqz\t%2,2f\n\t"
|
||||
"sll\t%1,%1,1\n\t"
|
||||
"bnez\t%1,1b\n\t"
|
||||
"add\t%0,%0,1\n\t"
|
||||
".set\tat\n\t"
|
||||
".set\treorder\n"
|
||||
"2:"
|
||||
: "=r" (res), "=r" (dummy), "=r" (addr)
|
||||
: "0" ((signed int) 0), "1" ((unsigned int) 0xffffffff),
|
||||
"2" (addr), "r" (size)
|
||||
: "$1");
|
||||
|
||||
return res;
|
||||
}
|
||||
|
||||
/*
|
||||
* find_next_zero_bit - find the first zero bit in a memory region
|
||||
* @addr: The address to base the search on
|
||||
* @offset: The bitnumber to start searching at
|
||||
* @size: The maximum size to search
|
||||
*/
|
||||
static __inline__ int find_next_zero_bit (void * addr, int size, int offset)
|
||||
{
|
||||
unsigned int *p = ((unsigned int *) addr) + (offset >> 5);
|
||||
int set = 0, bit = offset & 31, res;
|
||||
unsigned long dummy;
|
||||
|
||||
if (bit) {
|
||||
/*
|
||||
* Look for zero in first byte
|
||||
*/
|
||||
#ifdef __MIPSEB__
|
||||
#error "Fix this for big endian byte order"
|
||||
#endif
|
||||
__asm__(".set\tnoreorder\n\t"
|
||||
".set\tnoat\n"
|
||||
"1:\tand\t$1,%4,%1\n\t"
|
||||
"beqz\t$1,1f\n\t"
|
||||
"sll\t%1,%1,1\n\t"
|
||||
"bnez\t%1,1b\n\t"
|
||||
"addiu\t%0,1\n\t"
|
||||
".set\tat\n\t"
|
||||
".set\treorder\n"
|
||||
"1:"
|
||||
: "=r" (set), "=r" (dummy)
|
||||
: "0" (0), "1" (1 << bit), "r" (*p)
|
||||
: "$1");
|
||||
if (set < (32 - bit))
|
||||
return set + offset;
|
||||
set = 32 - bit;
|
||||
p++;
|
||||
}
|
||||
/*
|
||||
* No zero yet, search remaining full bytes for a zero
|
||||
*/
|
||||
res = find_first_zero_bit(p, size - 32 * (p - (unsigned int *) addr));
|
||||
return offset + set + res;
|
||||
}
|
||||
|
||||
#endif /* !(__MIPSEB__) */
|
||||
|
||||
/*
|
||||
* ffz - find first zero in word.
|
||||
* @word: The word to search
|
||||
*
|
||||
* Undefined if no zero exists, so code should check against ~0UL first.
|
||||
*/
|
||||
static __inline__ unsigned long ffz(unsigned long word)
|
||||
{
|
||||
unsigned int __res;
|
||||
unsigned int mask = 1;
|
||||
|
||||
__asm__ (
|
||||
".set\tnoreorder\n\t"
|
||||
".set\tnoat\n\t"
|
||||
"move\t%0,$0\n"
|
||||
"1:\tand\t$1,%2,%1\n\t"
|
||||
"beqz\t$1,2f\n\t"
|
||||
"sll\t%1,1\n\t"
|
||||
"bnez\t%1,1b\n\t"
|
||||
"addiu\t%0,1\n\t"
|
||||
".set\tat\n\t"
|
||||
".set\treorder\n"
|
||||
"2:\n\t"
|
||||
: "=&r" (__res), "=r" (mask)
|
||||
: "r" (word), "1" (mask)
|
||||
: "$1");
|
||||
|
||||
return __res;
|
||||
}
|
||||
|
||||
#ifdef __KERNEL__
|
||||
|
||||
/*
|
||||
* hweightN - returns the hamming weight of a N-bit word
|
||||
* @x: the word to weigh
|
||||
*
|
||||
* The Hamming Weight of a number is the total number of bits set in it.
|
||||
*/
|
||||
|
||||
#define hweight32(x) generic_hweight32(x)
|
||||
#define hweight16(x) generic_hweight16(x)
|
||||
#define hweight8(x) generic_hweight8(x)
|
||||
|
||||
#endif /* __KERNEL__ */
|
||||
|
||||
#ifdef __MIPSEB__
|
||||
/*
|
||||
* find_next_zero_bit - find the first zero bit in a memory region
|
||||
* @addr: The address to base the search on
|
||||
* @offset: The bitnumber to start searching at
|
||||
* @size: The maximum size to search
|
||||
*/
|
||||
static __inline__ int find_next_zero_bit(void *addr, int size, int offset)
|
||||
{
|
||||
unsigned long *p = ((unsigned long *) addr) + (offset >> 5);
|
||||
unsigned long result = offset & ~31UL;
|
||||
unsigned long tmp;
|
||||
|
||||
if (offset >= size)
|
||||
return size;
|
||||
size -= result;
|
||||
offset &= 31UL;
|
||||
if (offset) {
|
||||
tmp = *(p++);
|
||||
tmp |= ~0UL >> (32-offset);
|
||||
if (size < 32)
|
||||
goto found_first;
|
||||
if (~tmp)
|
||||
goto found_middle;
|
||||
size -= 32;
|
||||
result += 32;
|
||||
}
|
||||
while (size & ~31UL) {
|
||||
if (~(tmp = *(p++)))
|
||||
goto found_middle;
|
||||
result += 32;
|
||||
size -= 32;
|
||||
}
|
||||
if (!size)
|
||||
return result;
|
||||
tmp = *p;
|
||||
|
||||
found_first:
|
||||
tmp |= ~0UL << size;
|
||||
found_middle:
|
||||
return result + ffz(tmp);
|
||||
}
|
||||
|
||||
/* Linus sez that gcc can optimize the following correctly, we'll see if this
|
||||
* holds on the Sparc as it does for the ALPHA.
|
||||
*/
|
||||
|
||||
#if 0 /* Fool kernel-doc since it doesn't do macros yet */
|
||||
/*
|
||||
* find_first_zero_bit - find the first zero bit in a memory region
|
||||
* @addr: The address to start the search at
|
||||
* @size: The maximum size to search
|
||||
*
|
||||
* Returns the bit-number of the first zero bit, not the number of the byte
|
||||
* containing a bit.
|
||||
*/
|
||||
static int find_first_zero_bit (void *addr, unsigned size);
|
||||
#endif
|
||||
|
||||
#define find_first_zero_bit(addr, size) \
|
||||
find_next_zero_bit((addr), (size), 0)
|
||||
|
||||
#endif /* (__MIPSEB__) */
|
||||
|
||||
/* Now for the ext2 filesystem bit operations and helper routines. */
|
||||
|
||||
#ifdef __MIPSEB__
|
||||
static __inline__ int ext2_set_bit(int nr, void * addr)
|
||||
{
|
||||
int mask, retval, flags;
|
||||
unsigned char *ADDR = (unsigned char *) addr;
|
||||
|
||||
ADDR += nr >> 3;
|
||||
mask = 1 << (nr & 0x07);
|
||||
save_and_cli(flags);
|
||||
retval = (mask & *ADDR) != 0;
|
||||
*ADDR |= mask;
|
||||
restore_flags(flags);
|
||||
return retval;
|
||||
}
|
||||
|
||||
static __inline__ int ext2_clear_bit(int nr, void * addr)
|
||||
{
|
||||
int mask, retval, flags;
|
||||
unsigned char *ADDR = (unsigned char *) addr;
|
||||
|
||||
ADDR += nr >> 3;
|
||||
mask = 1 << (nr & 0x07);
|
||||
save_and_cli(flags);
|
||||
retval = (mask & *ADDR) != 0;
|
||||
*ADDR &= ~mask;
|
||||
restore_flags(flags);
|
||||
return retval;
|
||||
}
|
||||
|
||||
static __inline__ int ext2_test_bit(int nr, const void * addr)
|
||||
{
|
||||
int mask;
|
||||
const unsigned char *ADDR = (const unsigned char *) addr;
|
||||
|
||||
ADDR += nr >> 3;
|
||||
mask = 1 << (nr & 0x07);
|
||||
return ((mask & *ADDR) != 0);
|
||||
}
|
||||
|
||||
#define ext2_find_first_zero_bit(addr, size) \
|
||||
ext2_find_next_zero_bit((addr), (size), 0)
|
||||
|
||||
static __inline__ unsigned long ext2_find_next_zero_bit(void *addr, unsigned long size, unsigned long offset)
|
||||
{
|
||||
unsigned long *p = ((unsigned long *) addr) + (offset >> 5);
|
||||
unsigned long result = offset & ~31UL;
|
||||
unsigned long tmp;
|
||||
|
||||
if (offset >= size)
|
||||
return size;
|
||||
size -= result;
|
||||
offset &= 31UL;
|
||||
if(offset) {
|
||||
/* We hold the little endian value in tmp, but then the
|
||||
* shift is illegal. So we could keep a big endian value
|
||||
* in tmp, like this:
|
||||
*
|
||||
* tmp = __swab32(*(p++));
|
||||
* tmp |= ~0UL >> (32-offset);
|
||||
*
|
||||
* but this would decrease preformance, so we change the
|
||||
* shift:
|
||||
*/
|
||||
tmp = *(p++);
|
||||
tmp |= __swab32(~0UL >> (32-offset));
|
||||
if(size < 32)
|
||||
goto found_first;
|
||||
if(~tmp)
|
||||
goto found_middle;
|
||||
size -= 32;
|
||||
result += 32;
|
||||
}
|
||||
while(size & ~31UL) {
|
||||
if(~(tmp = *(p++)))
|
||||
goto found_middle;
|
||||
result += 32;
|
||||
size -= 32;
|
||||
}
|
||||
if(!size)
|
||||
return result;
|
||||
tmp = *p;
|
||||
|
||||
found_first:
|
||||
/* tmp is little endian, so we would have to swab the shift,
|
||||
* see above. But then we have to swab tmp below for ffz, so
|
||||
* we might as well do this here.
|
||||
*/
|
||||
return result + ffz(__swab32(tmp) | (~0UL << size));
|
||||
found_middle:
|
||||
return result + ffz(__swab32(tmp));
|
||||
}
|
||||
#else /* !(__MIPSEB__) */
|
||||
|
||||
/* Native ext2 byte ordering, just collapse using defines. */
|
||||
#define ext2_set_bit(nr, addr) test_and_set_bit((nr), (addr))
|
||||
#define ext2_clear_bit(nr, addr) test_and_clear_bit((nr), (addr))
|
||||
#define ext2_test_bit(nr, addr) test_bit((nr), (addr))
|
||||
#define ext2_find_first_zero_bit(addr, size) find_first_zero_bit((addr), (size))
|
||||
#define ext2_find_next_zero_bit(addr, size, offset) \
|
||||
find_next_zero_bit((addr), (size), (offset))
|
||||
|
||||
#endif /* !(__MIPSEB__) */
|
||||
|
||||
/*
|
||||
* Bitmap functions for the minix filesystem.
|
||||
* FIXME: These assume that Minix uses the native byte/bitorder.
|
||||
* This limits the Minix filesystem's value for data exchange very much.
|
||||
*/
|
||||
#define minix_test_and_set_bit(nr,addr) test_and_set_bit(nr,addr)
|
||||
#define minix_set_bit(nr,addr) set_bit(nr,addr)
|
||||
#define minix_test_and_clear_bit(nr,addr) test_and_clear_bit(nr,addr)
|
||||
#define minix_test_bit(nr,addr) test_bit(nr,addr)
|
||||
#define minix_find_first_zero_bit(addr,size) find_first_zero_bit(addr,size)
|
||||
|
||||
#endif /* _ASM_BITOPS_H */
|
|
@ -0,0 +1,75 @@
|
|||
/*
|
||||
* This file is subject to the terms and conditions of the GNU General Public
|
||||
* License. See the file "COPYING" in the main directory of this archive
|
||||
* for more details.
|
||||
*
|
||||
* Copyright (C) 1996, 99, 2003 by Ralf Baechle
|
||||
*/
|
||||
#ifndef _ASM_BYTEORDER_H
|
||||
#define _ASM_BYTEORDER_H
|
||||
|
||||
#include <asm/types.h>
|
||||
|
||||
#ifdef __GNUC__
|
||||
|
||||
#ifdef CONFIG_CPU_MIPSR2
|
||||
|
||||
static __inline__ __attribute_const__ __u16 ___arch__swab16(__u16 x)
|
||||
{
|
||||
__asm__(
|
||||
" wsbh %0, %1 \n"
|
||||
: "=r" (x)
|
||||
: "r" (x));
|
||||
|
||||
return x;
|
||||
}
|
||||
#define __arch__swab16(x) ___arch__swab16(x)
|
||||
|
||||
static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x)
|
||||
{
|
||||
__asm__(
|
||||
" wsbh %0, %1 \n"
|
||||
" rotr %0, %0, 16 \n"
|
||||
: "=r" (x)
|
||||
: "r" (x));
|
||||
|
||||
return x;
|
||||
}
|
||||
#define __arch__swab32(x) ___arch__swab32(x)
|
||||
|
||||
#ifdef CONFIG_CPU_MIPS64_R2
|
||||
|
||||
static __inline__ __attribute_const__ __u64 ___arch__swab64(__u64 x)
|
||||
{
|
||||
__asm__(
|
||||
" dsbh %0, %1 \n"
|
||||
" dshd %0, %0 \n"
|
||||
" drotr %0, %0, 32 \n"
|
||||
: "=r" (x)
|
||||
: "r" (x));
|
||||
|
||||
return x;
|
||||
}
|
||||
|
||||
#define __arch__swab64(x) ___arch__swab64(x)
|
||||
|
||||
#endif /* CONFIG_CPU_MIPS64_R2 */
|
||||
|
||||
#endif /* CONFIG_CPU_MIPSR2 */
|
||||
|
||||
#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
|
||||
# define __BYTEORDER_HAS_U64__
|
||||
# define __SWAB_64_THRU_32__
|
||||
#endif
|
||||
|
||||
#endif /* __GNUC__ */
|
||||
|
||||
#if defined(__MIPSEB__)
|
||||
# include <linux/byteorder/big_endian.h>
|
||||
#elif defined(__MIPSEL__)
|
||||
# include <linux/byteorder/little_endian.h>
|
||||
#else
|
||||
# error "MIPS, but neither __MIPSEB__, nor __MIPSEL__???"
|
||||
#endif
|
||||
|
||||
#endif /* _ASM_BYTEORDER_H */
|
|
@ -0,0 +1,36 @@
|
|||
/*
|
||||
* Copyright (c) 2011 The Chromium OS Authors.
|
||||
* See file CREDITS for list of people who contributed to this
|
||||
* project.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License as
|
||||
* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
* MA 02111-1307 USA
|
||||
*/
|
||||
|
||||
#ifndef __MIPS_CACHE_H__
|
||||
#define __MIPS_CACHE_H__
|
||||
|
||||
/*
|
||||
* The maximum L1 data cache line size on MIPS seems to be 128 bytes. We use
|
||||
* that as a default for aligning DMA buffers unless the board config has
|
||||
* specified another cache line size.
|
||||
*/
|
||||
#ifdef CONFIG_SYS_CACHELINE_SIZE
|
||||
#define ARCH_DMA_MINALIGN CONFIG_SYS_CACHELINE_SIZE
|
||||
#else
|
||||
#define ARCH_DMA_MINALIGN 128
|
||||
#endif
|
||||
|
||||
#endif /* __MIPS_CACHE_H__ */
|
|
@ -0,0 +1,26 @@
|
|||
/*
|
||||
* This file is subject to the terms and conditions of the GNU General Public
|
||||
* License. See the file "COPYING" in the main directory of this archive
|
||||
* for more details.
|
||||
*
|
||||
* Copyright (C) 1994, 1995, 1996 by Ralf Baechle
|
||||
*/
|
||||
#ifndef _ASM_CACHECTL
|
||||
#define _ASM_CACHECTL
|
||||
|
||||
/*
|
||||
* Options for cacheflush system call
|
||||
*/
|
||||
#define ICACHE (1<<0) /* flush instruction cache */
|
||||
#define DCACHE (1<<1) /* writeback and flush data cache */
|
||||
#define BCACHE (ICACHE|DCACHE) /* flush both caches */
|
||||
|
||||
/*
|
||||
* Caching modes for the cachectl(2) call
|
||||
*
|
||||
* cachectl(2) is currently not supported and returns ENOSYS.
|
||||
*/
|
||||
#define CACHEABLE 0 /* make pages cacheable */
|
||||
#define UNCACHEABLE 1 /* make pages uncacheable */
|
||||
|
||||
#endif /* _ASM_CACHECTL */
|
|
@ -0,0 +1,85 @@
|
|||
/*
|
||||
* Cache operations for the cache instruction.
|
||||
*
|
||||
* This file is subject to the terms and conditions of the GNU General Public
|
||||
* License. See the file "COPYING" in the main directory of this archive
|
||||
* for more details.
|
||||
*
|
||||
* (C) Copyright 1996, 97, 99, 2002, 03 Ralf Baechle
|
||||
* (C) Copyright 1999 Silicon Graphics, Inc.
|
||||
*/
|
||||
#ifndef __ASM_CACHEOPS_H
|
||||
#define __ASM_CACHEOPS_H
|
||||
|
||||
/*
|
||||
* Cache Operations available on all MIPS processors with R4000-style caches
|
||||
*/
|
||||
#define Index_Invalidate_I 0x00
|
||||
#define Index_Writeback_Inv_D 0x01
|
||||
#define Index_Load_Tag_I 0x04
|
||||
#define Index_Load_Tag_D 0x05
|
||||
#define Index_Store_Tag_I 0x08
|
||||
#define Index_Store_Tag_D 0x09
|
||||
#if defined(CONFIG_CPU_LOONGSON2)
|
||||
#define Hit_Invalidate_I 0x00
|
||||
#else
|
||||
#define Hit_Invalidate_I 0x10
|
||||
#endif
|
||||
#define Hit_Invalidate_D 0x11
|
||||
#define Hit_Writeback_Inv_D 0x15
|
||||
|
||||
/*
|
||||
* R4000-specific cacheops
|
||||
*/
|
||||
#define Create_Dirty_Excl_D 0x0d
|
||||
#define Fill 0x14
|
||||
#define Hit_Writeback_I 0x18
|
||||
#define Hit_Writeback_D 0x19
|
||||
|
||||
/*
|
||||
* R4000SC and R4400SC-specific cacheops
|
||||
*/
|
||||
#define Index_Invalidate_SI 0x02
|
||||
#define Index_Writeback_Inv_SD 0x03
|
||||
#define Index_Load_Tag_SI 0x06
|
||||
#define Index_Load_Tag_SD 0x07
|
||||
#define Index_Store_Tag_SI 0x0A
|
||||
#define Index_Store_Tag_SD 0x0B
|
||||
#define Create_Dirty_Excl_SD 0x0f
|
||||
#define Hit_Invalidate_SI 0x12
|
||||
#define Hit_Invalidate_SD 0x13
|
||||
#define Hit_Writeback_Inv_SD 0x17
|
||||
#define Hit_Writeback_SD 0x1b
|
||||
#define Hit_Set_Virtual_SI 0x1e
|
||||
#define Hit_Set_Virtual_SD 0x1f
|
||||
|
||||
/*
|
||||
* R5000-specific cacheops
|
||||
*/
|
||||
#define R5K_Page_Invalidate_S 0x17
|
||||
|
||||
/*
|
||||
* RM7000-specific cacheops
|
||||
*/
|
||||
#define Page_Invalidate_T 0x16
|
||||
|
||||
/*
|
||||
* R10000-specific cacheops
|
||||
*
|
||||
* Cacheops 0x02, 0x06, 0x0a, 0x0c-0x0e, 0x16, 0x1a and 0x1e are unused.
|
||||
* Most of the _S cacheops are identical to the R4000SC _SD cacheops.
|
||||
*/
|
||||
#define Index_Writeback_Inv_S 0x03
|
||||
#define Index_Load_Tag_S 0x07
|
||||
#define Index_Store_Tag_S 0x0B
|
||||
#define Hit_Invalidate_S 0x13
|
||||
#define Cache_Barrier 0x14
|
||||
#define Hit_Writeback_Inv_S 0x17
|
||||
#define Index_Load_Data_I 0x18
|
||||
#define Index_Load_Data_D 0x19
|
||||
#define Index_Load_Data_S 0x1b
|
||||
#define Index_Store_Data_I 0x1c
|
||||
#define Index_Store_Data_D 0x1d
|
||||
#define Index_Store_Data_S 0x1f
|
||||
|
||||
#endif /* __ASM_CACHEOPS_H */
|
|
@ -0,0 +1,26 @@
|
|||
/*
|
||||
* Copyright 2009 Freescale Semiconductor, Inc.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License as
|
||||
* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
* MA 02111-1307 USA
|
||||
*
|
||||
*/
|
||||
|
||||
#ifndef _ASM_CONFIG_H_
|
||||
#define _ASM_CONFIG_H_
|
||||
|
||||
#define CONFIG_NEEDS_MANUAL_RELOC
|
||||
|
||||
#endif
|
143
6.1/package/boot/uboot-ipq40xx/src/arch/mips/include/asm/errno.h
Normal file
143
6.1/package/boot/uboot-ipq40xx/src/arch/mips/include/asm/errno.h
Normal file
|
@ -0,0 +1,143 @@
|
|||
/*
|
||||
* This file is subject to the terms and conditions of the GNU General Public
|
||||
* License. See the file "COPYING" in the main directory of this archive
|
||||
* for more details.
|
||||
*
|
||||
* Copyright (C) 1995, 1999, 2001, 2002 by Ralf Baechle
|
||||
*/
|
||||
#ifndef _ASM_MIPS_ERRNO_H
|
||||
#define _ASM_MIPS_ERRNO_H
|
||||
|
||||
/*
|
||||
* These first 34 error codes are from Linux 2.6, <asm-generic/errno-base.h>
|
||||
*/
|
||||
#define EPERM 1 /* Operation not permitted */
|
||||
#define ENOENT 2 /* No such file or directory */
|
||||
#define ESRCH 3 /* No such process */
|
||||
#define EINTR 4 /* Interrupted system call */
|
||||
#define EIO 5 /* I/O error */
|
||||
#define ENXIO 6 /* No such device or address */
|
||||
#define E2BIG 7 /* Argument list too long */
|
||||
#define ENOEXEC 8 /* Exec format error */
|
||||
#define EBADF 9 /* Bad file number */
|
||||
#define ECHILD 10 /* No child processes */
|
||||
#define EAGAIN 11 /* Try again */
|
||||
#define ENOMEM 12 /* Out of memory */
|
||||
#define EACCES 13 /* Permission denied */
|
||||
#define EFAULT 14 /* Bad address */
|
||||
#define ENOTBLK 15 /* Block device required */
|
||||
#define EBUSY 16 /* Device or resource busy */
|
||||
#define EEXIST 17 /* File exists */
|
||||
#define EXDEV 18 /* Cross-device link */
|
||||
#define ENODEV 19 /* No such device */
|
||||
#define ENOTDIR 20 /* Not a directory */
|
||||
#define EISDIR 21 /* Is a directory */
|
||||
#define EINVAL 22 /* Invalid argument */
|
||||
#define ENFILE 23 /* File table overflow */
|
||||
#define EMFILE 24 /* Too many open files */
|
||||
#define ENOTTY 25 /* Not a typewriter */
|
||||
#define ETXTBSY 26 /* Text file busy */
|
||||
#define EFBIG 27 /* File too large */
|
||||
#define ENOSPC 28 /* No space left on device */
|
||||
#define ESPIPE 29 /* Illegal seek */
|
||||
#define EROFS 30 /* Read-only file system */
|
||||
#define EMLINK 31 /* Too many links */
|
||||
#define EPIPE 32 /* Broken pipe */
|
||||
#define EDOM 33 /* Math argument out of domain of func */
|
||||
#define ERANGE 34 /* Math result not representable */
|
||||
|
||||
/*
|
||||
* These error numbers are intended to be MIPS ABI compatible
|
||||
*/
|
||||
#define ENOMSG 35 /* No message of desired type */
|
||||
#define EIDRM 36 /* Identifier removed */
|
||||
#define ECHRNG 37 /* Channel number out of range */
|
||||
#define EL2NSYNC 38 /* Level 2 not synchronized */
|
||||
#define EL3HLT 39 /* Level 3 halted */
|
||||
#define EL3RST 40 /* Level 3 reset */
|
||||
#define ELNRNG 41 /* Link number out of range */
|
||||
#define EUNATCH 42 /* Protocol driver not attached */
|
||||
#define ENOCSI 43 /* No CSI structure available */
|
||||
#define EL2HLT 44 /* Level 2 halted */
|
||||
#define EDEADLK 45 /* Resource deadlock would occur */
|
||||
#define ENOLCK 46 /* No record locks available */
|
||||
#define EBADE 50 /* Invalid exchange */
|
||||
#define EBADR 51 /* Invalid request descriptor */
|
||||
#define EXFULL 52 /* Exchange full */
|
||||
#define ENOANO 53 /* No anode */
|
||||
#define EBADRQC 54 /* Invalid request code */
|
||||
#define EBADSLT 55 /* Invalid slot */
|
||||
#define EDEADLOCK 56 /* File locking deadlock error */
|
||||
#define EBFONT 59 /* Bad font file format */
|
||||
#define ENOSTR 60 /* Device not a stream */
|
||||
#define ENODATA 61 /* No data available */
|
||||
#define ETIME 62 /* Timer expired */
|
||||
#define ENOSR 63 /* Out of streams resources */
|
||||
#define ENONET 64 /* Machine is not on the network */
|
||||
#define ENOPKG 65 /* Package not installed */
|
||||
#define EREMOTE 66 /* Object is remote */
|
||||
#define ENOLINK 67 /* Link has been severed */
|
||||
#define EADV 68 /* Advertise error */
|
||||
#define ESRMNT 69 /* Srmount error */
|
||||
#define ECOMM 70 /* Communication error on send */
|
||||
#define EPROTO 71 /* Protocol error */
|
||||
#define EDOTDOT 73 /* RFS specific error */
|
||||
#define EMULTIHOP 74 /* Multihop attempted */
|
||||
#define EBADMSG 77 /* Not a data message */
|
||||
#define ENAMETOOLONG 78 /* File name too long */
|
||||
#define EOVERFLOW 79 /* Value too large for defined data type */
|
||||
#define ENOTUNIQ 80 /* Name not unique on network */
|
||||
#define EBADFD 81 /* File descriptor in bad state */
|
||||
#define EREMCHG 82 /* Remote address changed */
|
||||
#define ELIBACC 83 /* Can not access a needed shared library */
|
||||
#define ELIBBAD 84 /* Accessing a corrupted shared library */
|
||||
#define ELIBSCN 85 /* .lib section in a.out corrupted */
|
||||
#define ELIBMAX 86 /* Attempting to link in too many shared libraries */
|
||||
#define ELIBEXEC 87 /* Cannot exec a shared library directly */
|
||||
#define EILSEQ 88 /* Illegal byte sequence */
|
||||
#define ENOSYS 89 /* Function not implemented */
|
||||
#define ELOOP 90 /* Too many symbolic links encountered */
|
||||
#define ERESTART 91 /* Interrupted system call should be restarted */
|
||||
#define ESTRPIPE 92 /* Streams pipe error */
|
||||
#define ENOTEMPTY 93 /* Directory not empty */
|
||||
#define EUSERS 94 /* Too many users */
|
||||
#define ENOTSOCK 95 /* Socket operation on non-socket */
|
||||
#define EDESTADDRREQ 96 /* Destination address required */
|
||||
#define EMSGSIZE 97 /* Message too long */
|
||||
#define EPROTOTYPE 98 /* Protocol wrong type for socket */
|
||||
#define ENOPROTOOPT 99 /* Protocol not available */
|
||||
#define EPROTONOSUPPORT 120 /* Protocol not supported */
|
||||
#define ESOCKTNOSUPPORT 121 /* Socket type not supported */
|
||||
#define EOPNOTSUPP 122 /* Operation not supported on transport endpoint */
|
||||
#define EPFNOSUPPORT 123 /* Protocol family not supported */
|
||||
#define EAFNOSUPPORT 124 /* Address family not supported by protocol */
|
||||
#define EADDRINUSE 125 /* Address already in use */
|
||||
#define EADDRNOTAVAIL 126 /* Cannot assign requested address */
|
||||
#define ENETDOWN 127 /* Network is down */
|
||||
#define ENETUNREACH 128 /* Network is unreachable */
|
||||
#define ENETRESET 129 /* Network dropped connection because of reset */
|
||||
#define ECONNABORTED 130 /* Software caused connection abort */
|
||||
#define ECONNRESET 131 /* Connection reset by peer */
|
||||
#define ENOBUFS 132 /* No buffer space available */
|
||||
#define EISCONN 133 /* Transport endpoint is already connected */
|
||||
#define ENOTCONN 134 /* Transport endpoint is not connected */
|
||||
#define EUCLEAN 135 /* Structure needs cleaning */
|
||||
#define ENOTNAM 137 /* Not a XENIX named type file */
|
||||
#define ENAVAIL 138 /* No XENIX semaphores available */
|
||||
#define EISNAM 139 /* Is a named type file */
|
||||
#define EREMOTEIO 140 /* Remote I/O error */
|
||||
#define EINIT 141 /* Reserved */
|
||||
#define EREMDEV 142 /* Error 142 */
|
||||
#define ESHUTDOWN 143 /* Cannot send after transport endpoint shutdown */
|
||||
#define ETOOMANYREFS 144 /* Too many references: cannot splice */
|
||||
#define ETIMEDOUT 145 /* Connection timed out */
|
||||
#define ECONNREFUSED 146 /* Connection refused */
|
||||
#define EHOSTDOWN 147 /* Host is down */
|
||||
#define EHOSTUNREACH 148 /* No route to host */
|
||||
#define EWOULDBLOCK EAGAIN /* Operation would block */
|
||||
#define EALREADY 149 /* Operation already in progress */
|
||||
#define EINPROGRESS 150 /* Operation now in progress */
|
||||
#define ESTALE 151 /* Stale NFS file handle */
|
||||
#define ECANCELED 158 /* AIO operation canceled */
|
||||
|
||||
#endif /* _ASM_MIPS_ERRNO_H */
|
|
@ -0,0 +1,80 @@
|
|||
/*
|
||||
* (C) Copyright 2002-2010
|
||||
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
||||
*
|
||||
* See file CREDITS for list of people who contributed to this
|
||||
* project.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License as
|
||||
* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
* MA 02111-1307 USA
|
||||
*/
|
||||
|
||||
#ifndef __ASM_GBL_DATA_H
|
||||
#define __ASM_GBL_DATA_H
|
||||
|
||||
#include <asm/regdef.h>
|
||||
|
||||
/*
|
||||
* The following data structure is placed in some memory wich is
|
||||
* available very early after boot (like DPRAM on MPC8xx/MPC82xx, or
|
||||
* some locked parts of the data cache) to allow for a minimum set of
|
||||
* global variables during system initialization (until we have set
|
||||
* up the memory controller so that we can use RAM).
|
||||
*
|
||||
* Keep it *SMALL* and remember to set GENERATED_GBL_DATA_SIZE > sizeof(gd_t)
|
||||
*/
|
||||
|
||||
typedef struct global_data {
|
||||
bd_t *bd;
|
||||
unsigned long flags;
|
||||
#ifdef CONFIG_JZSOC
|
||||
/* There are other clocks in the jz4740 */
|
||||
unsigned long cpu_clk; /* CPU core clock */
|
||||
unsigned long sys_clk; /* System bus clock */
|
||||
unsigned long per_clk; /* Peripheral bus clock */
|
||||
unsigned long mem_clk; /* Memory bus clock */
|
||||
unsigned long dev_clk; /* Device clock */
|
||||
/* "static data" needed by most of timer.c */
|
||||
unsigned long tbl;
|
||||
unsigned long lastinc;
|
||||
#endif
|
||||
unsigned long baudrate;
|
||||
unsigned long have_console; /* serial_init() was called */
|
||||
#ifdef CONFIG_PRE_CONSOLE_BUFFER
|
||||
unsigned long precon_buf_idx; /* Pre-Console buffer index */
|
||||
#endif
|
||||
phys_size_t ram_size; /* RAM size */
|
||||
unsigned long reloc_off; /* Relocation Offset */
|
||||
unsigned long env_addr; /* Address of Environment struct */
|
||||
unsigned long env_valid; /* Checksum of Environment valid? */
|
||||
void **jt; /* jump table */
|
||||
char env_buf[32]; /* buffer for getenv() before reloc. */
|
||||
} gd_t;
|
||||
|
||||
/*
|
||||
* Global Data Flags
|
||||
*/
|
||||
#define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */
|
||||
#define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */
|
||||
#define GD_FLG_SILENT 0x00004 /* Silent mode */
|
||||
#define GD_FLG_POSTFAIL 0x00008 /* Critical POST test failed */
|
||||
#define GD_FLG_POSTSTOP 0x00010 /* POST seqeunce aborted */
|
||||
#define GD_FLG_LOGINIT 0x00020 /* Log Buffer has been initialized */
|
||||
#define GD_FLG_DISABLE_CONSOLE 0x00040 /* Disable console (in & out) */
|
||||
#define GD_FLG_ENV_READY 0x00080 /* Environment imported into hash table */
|
||||
|
||||
#define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("k0")
|
||||
|
||||
#endif /* __ASM_GBL_DATA_H */
|
2431
6.1/package/boot/uboot-ipq40xx/src/arch/mips/include/asm/inca-ip.h
Normal file
2431
6.1/package/boot/uboot-ipq40xx/src/arch/mips/include/asm/inca-ip.h
Normal file
File diff suppressed because it is too large
Load diff
492
6.1/package/boot/uboot-ipq40xx/src/arch/mips/include/asm/io.h
Normal file
492
6.1/package/boot/uboot-ipq40xx/src/arch/mips/include/asm/io.h
Normal file
|
@ -0,0 +1,492 @@
|
|||
/*
|
||||
* This file is subject to the terms and conditions of the GNU General Public
|
||||
* License. See the file "COPYING" in the main directory of this archive
|
||||
* for more details.
|
||||
*
|
||||
* Copyright (C) 1994, 1995 Waldorf GmbH
|
||||
* Copyright (C) 1994 - 2000 Ralf Baechle
|
||||
* Copyright (C) 1999, 2000 Silicon Graphics, Inc.
|
||||
* Copyright (C) 2000 FSMLabs, Inc.
|
||||
*/
|
||||
#ifndef _ASM_IO_H
|
||||
#define _ASM_IO_H
|
||||
|
||||
#include <linux/config.h>
|
||||
#if 0
|
||||
#include <linux/pagemap.h>
|
||||
#endif
|
||||
#include <asm/addrspace.h>
|
||||
#include <asm/byteorder.h>
|
||||
|
||||
/*
|
||||
* Slowdown I/O port space accesses for antique hardware.
|
||||
*/
|
||||
#undef CONF_SLOWDOWN_IO
|
||||
|
||||
/*
|
||||
* Sane hardware offers swapping of I/O space accesses in hardware; less
|
||||
* sane hardware forces software to fiddle with this ...
|
||||
*/
|
||||
#if defined(CONFIG_SWAP_IO_SPACE) && defined(__MIPSEB__)
|
||||
|
||||
#define __ioswab8(x) (x)
|
||||
#define __ioswab16(x) swab16(x)
|
||||
#define __ioswab32(x) swab32(x)
|
||||
|
||||
#else
|
||||
|
||||
#define __ioswab8(x) (x)
|
||||
#define __ioswab16(x) (x)
|
||||
#define __ioswab32(x) (x)
|
||||
|
||||
#endif
|
||||
|
||||
/*
|
||||
* This file contains the definitions for the MIPS counterpart of the
|
||||
* x86 in/out instructions. This heap of macros and C results in much
|
||||
* better code than the approach of doing it in plain C. The macros
|
||||
* result in code that is to fast for certain hardware. On the other
|
||||
* side the performance of the string functions should be improved for
|
||||
* sake of certain devices like EIDE disks that do highspeed polled I/O.
|
||||
*
|
||||
* Ralf
|
||||
*
|
||||
* This file contains the definitions for the x86 IO instructions
|
||||
* inb/inw/inl/outb/outw/outl and the "string versions" of the same
|
||||
* (insb/insw/insl/outsb/outsw/outsl). You can also use "pausing"
|
||||
* versions of the single-IO instructions (inb_p/inw_p/..).
|
||||
*
|
||||
* This file is not meant to be obfuscating: it's just complicated
|
||||
* to (a) handle it all in a way that makes gcc able to optimize it
|
||||
* as well as possible and (b) trying to avoid writing the same thing
|
||||
* over and over again with slight variations and possibly making a
|
||||
* mistake somewhere.
|
||||
*/
|
||||
|
||||
/*
|
||||
* On MIPS I/O ports are memory mapped, so we access them using normal
|
||||
* load/store instructions. mips_io_port_base is the virtual address to
|
||||
* which all ports are being mapped. For sake of efficiency some code
|
||||
* assumes that this is an address that can be loaded with a single lui
|
||||
* instruction, so the lower 16 bits must be zero. Should be true on
|
||||
* on any sane architecture; generic code does not use this assumption.
|
||||
*/
|
||||
extern const unsigned long mips_io_port_base;
|
||||
|
||||
/*
|
||||
* Gcc will generate code to load the value of mips_io_port_base after each
|
||||
* function call which may be fairly wasteful in some cases. So we don't
|
||||
* play quite by the book. We tell gcc mips_io_port_base is a long variable
|
||||
* which solves the code generation issue. Now we need to violate the
|
||||
* aliasing rules a little to make initialization possible and finally we
|
||||
* will need the barrier() to fight side effects of the aliasing chat.
|
||||
* This trickery will eventually collapse under gcc's optimizer. Oh well.
|
||||
*/
|
||||
static inline void set_io_port_base(unsigned long base)
|
||||
{
|
||||
* (unsigned long *) &mips_io_port_base = base;
|
||||
}
|
||||
|
||||
/*
|
||||
* Thanks to James van Artsdalen for a better timing-fix than
|
||||
* the two short jumps: using outb's to a nonexistent port seems
|
||||
* to guarantee better timings even on fast machines.
|
||||
*
|
||||
* On the other hand, I'd like to be sure of a non-existent port:
|
||||
* I feel a bit unsafe about using 0x80 (should be safe, though)
|
||||
*
|
||||
* Linus
|
||||
*
|
||||
*/
|
||||
|
||||
#define __SLOW_DOWN_IO \
|
||||
__asm__ __volatile__( \
|
||||
"sb\t$0,0x80(%0)" \
|
||||
: : "r" (mips_io_port_base));
|
||||
|
||||
#ifdef CONF_SLOWDOWN_IO
|
||||
#ifdef REALLY_SLOW_IO
|
||||
#define SLOW_DOWN_IO { __SLOW_DOWN_IO; __SLOW_DOWN_IO; __SLOW_DOWN_IO; __SLOW_DOWN_IO; }
|
||||
#else
|
||||
#define SLOW_DOWN_IO __SLOW_DOWN_IO
|
||||
#endif
|
||||
#else
|
||||
#define SLOW_DOWN_IO
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Change virtual addresses to physical addresses and vv.
|
||||
* These are trivial on the 1:1 Linux/MIPS mapping
|
||||
*/
|
||||
extern inline phys_addr_t virt_to_phys(volatile void * address)
|
||||
{
|
||||
return CPHYSADDR(address);
|
||||
}
|
||||
|
||||
extern inline void * phys_to_virt(unsigned long address)
|
||||
{
|
||||
return (void *)KSEG0ADDR(address);
|
||||
}
|
||||
|
||||
/*
|
||||
* IO bus memory addresses are also 1:1 with the physical address
|
||||
*/
|
||||
extern inline unsigned long virt_to_bus(volatile void * address)
|
||||
{
|
||||
return CPHYSADDR(address);
|
||||
}
|
||||
|
||||
extern inline void * bus_to_virt(unsigned long address)
|
||||
{
|
||||
return (void *)KSEG0ADDR(address);
|
||||
}
|
||||
|
||||
/*
|
||||
* isa_slot_offset is the address where E(ISA) busaddress 0 is mapped
|
||||
* for the processor.
|
||||
*/
|
||||
extern unsigned long isa_slot_offset;
|
||||
|
||||
extern void * __ioremap(unsigned long offset, unsigned long size, unsigned long flags);
|
||||
|
||||
#if 0
|
||||
extern inline void *ioremap(unsigned long offset, unsigned long size)
|
||||
{
|
||||
return __ioremap(offset, size, _CACHE_UNCACHED);
|
||||
}
|
||||
|
||||
extern inline void *ioremap_nocache(unsigned long offset, unsigned long size)
|
||||
{
|
||||
return __ioremap(offset, size, _CACHE_UNCACHED);
|
||||
}
|
||||
|
||||
extern void iounmap(void *addr);
|
||||
#endif
|
||||
|
||||
/*
|
||||
* XXX We need system specific versions of these to handle EISA address bits
|
||||
* 24-31 on SNI.
|
||||
* XXX more SNI hacks.
|
||||
*/
|
||||
#define readb(addr) (*(volatile unsigned char *)(addr))
|
||||
#define readw(addr) __ioswab16((*(volatile unsigned short *)(addr)))
|
||||
#define readl(addr) __ioswab32((*(volatile unsigned int *)(addr)))
|
||||
#define __raw_readb readb
|
||||
#define __raw_readw readw
|
||||
#define __raw_readl readl
|
||||
|
||||
#define writeb(b,addr) (*(volatile unsigned char *)(addr)) = (b)
|
||||
#define writew(b,addr) (*(volatile unsigned short *)(addr)) = (__ioswab16(b))
|
||||
#define writel(b,addr) (*(volatile unsigned int *)(addr)) = (__ioswab32(b))
|
||||
#define __raw_writeb writeb
|
||||
#define __raw_writew writew
|
||||
#define __raw_writel writel
|
||||
|
||||
#define memset_io(a,b,c) memset((void *)(a),(b),(c))
|
||||
#define memcpy_fromio(a,b,c) memcpy((a),(void *)(b),(c))
|
||||
#define memcpy_toio(a,b,c) memcpy((void *)(a),(b),(c))
|
||||
|
||||
/* END SNI HACKS ... */
|
||||
|
||||
/*
|
||||
* ISA space is 'always mapped' on currently supported MIPS systems, no need
|
||||
* to explicitly ioremap() it. The fact that the ISA IO space is mapped
|
||||
* to PAGE_OFFSET is pure coincidence - it does not mean ISA values
|
||||
* are physical addresses. The following constant pointer can be
|
||||
* used as the IO-area pointer (it can be iounmapped as well, so the
|
||||
* analogy with PCI is quite large):
|
||||
*/
|
||||
#define __ISA_IO_base ((char *)(PAGE_OFFSET))
|
||||
|
||||
#define isa_readb(a) readb(a)
|
||||
#define isa_readw(a) readw(a)
|
||||
#define isa_readl(a) readl(a)
|
||||
#define isa_writeb(b,a) writeb(b,a)
|
||||
#define isa_writew(w,a) writew(w,a)
|
||||
#define isa_writel(l,a) writel(l,a)
|
||||
|
||||
#define isa_memset_io(a,b,c) memset_io((a),(b),(c))
|
||||
#define isa_memcpy_fromio(a,b,c) memcpy_fromio((a),(b),(c))
|
||||
#define isa_memcpy_toio(a,b,c) memcpy_toio((a),(b),(c))
|
||||
|
||||
/*
|
||||
* We don't have csum_partial_copy_fromio() yet, so we cheat here and
|
||||
* just copy it. The net code will then do the checksum later.
|
||||
*/
|
||||
#define eth_io_copy_and_sum(skb,src,len,unused) memcpy_fromio((skb)->data,(src),(len))
|
||||
#define isa_eth_io_copy_and_sum(a,b,c,d) eth_copy_and_sum((a),(b),(c),(d))
|
||||
|
||||
static inline int check_signature(unsigned long io_addr,
|
||||
const unsigned char *signature, int length)
|
||||
{
|
||||
int retval = 0;
|
||||
do {
|
||||
if (readb(io_addr) != *signature)
|
||||
goto out;
|
||||
io_addr++;
|
||||
signature++;
|
||||
length--;
|
||||
} while (length);
|
||||
retval = 1;
|
||||
out:
|
||||
return retval;
|
||||
}
|
||||
#define isa_check_signature(io, s, l) check_signature(i,s,l)
|
||||
|
||||
/*
|
||||
* Talk about misusing macros..
|
||||
*/
|
||||
|
||||
#define __OUT1(s) \
|
||||
extern inline void __out##s(unsigned int value, unsigned int port) {
|
||||
|
||||
#define __OUT2(m) \
|
||||
__asm__ __volatile__ ("s" #m "\t%0,%1(%2)"
|
||||
|
||||
#define __OUT(m,s,w) \
|
||||
__OUT1(s) __OUT2(m) : : "r" (__ioswab##w(value)), "i" (0), "r" (mips_io_port_base+port)); } \
|
||||
__OUT1(s##c) __OUT2(m) : : "r" (__ioswab##w(value)), "ir" (port), "r" (mips_io_port_base)); } \
|
||||
__OUT1(s##_p) __OUT2(m) : : "r" (__ioswab##w(value)), "i" (0), "r" (mips_io_port_base+port)); \
|
||||
SLOW_DOWN_IO; } \
|
||||
__OUT1(s##c_p) __OUT2(m) : : "r" (__ioswab##w(value)), "ir" (port), "r" (mips_io_port_base)); \
|
||||
SLOW_DOWN_IO; }
|
||||
|
||||
#define __IN1(t,s) \
|
||||
extern __inline__ t __in##s(unsigned int port) { t _v;
|
||||
|
||||
/*
|
||||
* Required nops will be inserted by the assembler
|
||||
*/
|
||||
#define __IN2(m) \
|
||||
__asm__ __volatile__ ("l" #m "\t%0,%1(%2)"
|
||||
|
||||
#define __IN(t,m,s,w) \
|
||||
__IN1(t,s) __IN2(m) : "=r" (_v) : "i" (0), "r" (mips_io_port_base+port)); return __ioswab##w(_v); } \
|
||||
__IN1(t,s##c) __IN2(m) : "=r" (_v) : "ir" (port), "r" (mips_io_port_base)); return __ioswab##w(_v); } \
|
||||
__IN1(t,s##_p) __IN2(m) : "=r" (_v) : "i" (0), "r" (mips_io_port_base+port)); SLOW_DOWN_IO; return __ioswab##w(_v); } \
|
||||
__IN1(t,s##c_p) __IN2(m) : "=r" (_v) : "ir" (port), "r" (mips_io_port_base)); SLOW_DOWN_IO; return __ioswab##w(_v); }
|
||||
|
||||
#define __INS1(s) \
|
||||
extern inline void __ins##s(unsigned int port, void * addr, unsigned long count) {
|
||||
|
||||
#define __INS2(m) \
|
||||
if (count) \
|
||||
__asm__ __volatile__ ( \
|
||||
".set\tnoreorder\n\t" \
|
||||
".set\tnoat\n" \
|
||||
"1:\tl" #m "\t$1,%4(%5)\n\t" \
|
||||
"subu\t%1,1\n\t" \
|
||||
"s" #m "\t$1,(%0)\n\t" \
|
||||
"bne\t$0,%1,1b\n\t" \
|
||||
"addiu\t%0,%6\n\t" \
|
||||
".set\tat\n\t" \
|
||||
".set\treorder"
|
||||
|
||||
#define __INS(m,s,i) \
|
||||
__INS1(s) __INS2(m) \
|
||||
: "=r" (addr), "=r" (count) \
|
||||
: "0" (addr), "1" (count), "i" (0), \
|
||||
"r" (mips_io_port_base+port), "I" (i) \
|
||||
: "$1");} \
|
||||
__INS1(s##c) __INS2(m) \
|
||||
: "=r" (addr), "=r" (count) \
|
||||
: "0" (addr), "1" (count), "ir" (port), \
|
||||
"r" (mips_io_port_base), "I" (i) \
|
||||
: "$1");}
|
||||
|
||||
#define __OUTS1(s) \
|
||||
extern inline void __outs##s(unsigned int port, const void * addr, unsigned long count) {
|
||||
|
||||
#define __OUTS2(m) \
|
||||
if (count) \
|
||||
__asm__ __volatile__ ( \
|
||||
".set\tnoreorder\n\t" \
|
||||
".set\tnoat\n" \
|
||||
"1:\tl" #m "\t$1,(%0)\n\t" \
|
||||
"subu\t%1,1\n\t" \
|
||||
"s" #m "\t$1,%4(%5)\n\t" \
|
||||
"bne\t$0,%1,1b\n\t" \
|
||||
"addiu\t%0,%6\n\t" \
|
||||
".set\tat\n\t" \
|
||||
".set\treorder"
|
||||
|
||||
#define __OUTS(m,s,i) \
|
||||
__OUTS1(s) __OUTS2(m) \
|
||||
: "=r" (addr), "=r" (count) \
|
||||
: "0" (addr), "1" (count), "i" (0), "r" (mips_io_port_base+port), "I" (i) \
|
||||
: "$1");} \
|
||||
__OUTS1(s##c) __OUTS2(m) \
|
||||
: "=r" (addr), "=r" (count) \
|
||||
: "0" (addr), "1" (count), "ir" (port), "r" (mips_io_port_base), "I" (i) \
|
||||
: "$1");}
|
||||
|
||||
__IN(unsigned char,b,b,8)
|
||||
__IN(unsigned short,h,w,16)
|
||||
__IN(unsigned int,w,l,32)
|
||||
|
||||
__OUT(b,b,8)
|
||||
__OUT(h,w,16)
|
||||
__OUT(w,l,32)
|
||||
|
||||
__INS(b,b,1)
|
||||
__INS(h,w,2)
|
||||
__INS(w,l,4)
|
||||
|
||||
__OUTS(b,b,1)
|
||||
__OUTS(h,w,2)
|
||||
__OUTS(w,l,4)
|
||||
|
||||
|
||||
/*
|
||||
* Note that due to the way __builtin_constant_p() works, you
|
||||
* - can't use it inside an inline function (it will never be true)
|
||||
* - you don't have to worry about side effects within the __builtin..
|
||||
*/
|
||||
#define outb(val,port) \
|
||||
((__builtin_constant_p((port)) && (port) < 32768) ? \
|
||||
__outbc((val),(port)) : \
|
||||
__outb((val),(port)))
|
||||
|
||||
#define inb(port) \
|
||||
((__builtin_constant_p((port)) && (port) < 32768) ? \
|
||||
__inbc(port) : \
|
||||
__inb(port))
|
||||
|
||||
#define outb_p(val,port) \
|
||||
((__builtin_constant_p((port)) && (port) < 32768) ? \
|
||||
__outbc_p((val),(port)) : \
|
||||
__outb_p((val),(port)))
|
||||
|
||||
#define inb_p(port) \
|
||||
((__builtin_constant_p((port)) && (port) < 32768) ? \
|
||||
__inbc_p(port) : \
|
||||
__inb_p(port))
|
||||
|
||||
#define outw(val,port) \
|
||||
((__builtin_constant_p((port)) && (port) < 32768) ? \
|
||||
__outwc((val),(port)) : \
|
||||
__outw((val),(port)))
|
||||
|
||||
#define inw(port) \
|
||||
((__builtin_constant_p((port)) && (port) < 32768) ? \
|
||||
__inwc(port) : \
|
||||
__inw(port))
|
||||
|
||||
#define outw_p(val,port) \
|
||||
((__builtin_constant_p((port)) && (port) < 32768) ? \
|
||||
__outwc_p((val),(port)) : \
|
||||
__outw_p((val),(port)))
|
||||
|
||||
#define inw_p(port) \
|
||||
((__builtin_constant_p((port)) && (port) < 32768) ? \
|
||||
__inwc_p(port) : \
|
||||
__inw_p(port))
|
||||
|
||||
#define outl(val,port) \
|
||||
((__builtin_constant_p((port)) && (port) < 32768) ? \
|
||||
__outlc((val),(port)) : \
|
||||
__outl((val),(port)))
|
||||
|
||||
#define inl(port) \
|
||||
((__builtin_constant_p((port)) && (port) < 32768) ? \
|
||||
__inlc(port) : \
|
||||
__inl(port))
|
||||
|
||||
#define outl_p(val,port) \
|
||||
((__builtin_constant_p((port)) && (port) < 32768) ? \
|
||||
__outlc_p((val),(port)) : \
|
||||
__outl_p((val),(port)))
|
||||
|
||||
#define inl_p(port) \
|
||||
((__builtin_constant_p((port)) && (port) < 32768) ? \
|
||||
__inlc_p(port) : \
|
||||
__inl_p(port))
|
||||
|
||||
|
||||
#define outsb(port,addr,count) \
|
||||
((__builtin_constant_p((port)) && (port) < 32768) ? \
|
||||
__outsbc((port),(addr),(count)) : \
|
||||
__outsb ((port),(addr),(count)))
|
||||
|
||||
#define insb(port,addr,count) \
|
||||
((__builtin_constant_p((port)) && (port) < 32768) ? \
|
||||
__insbc((port),(addr),(count)) : \
|
||||
__insb((port),(addr),(count)))
|
||||
|
||||
#define outsw(port,addr,count) \
|
||||
((__builtin_constant_p((port)) && (port) < 32768) ? \
|
||||
__outswc((port),(addr),(count)) : \
|
||||
__outsw ((port),(addr),(count)))
|
||||
|
||||
#define insw(port,addr,count) \
|
||||
((__builtin_constant_p((port)) && (port) < 32768) ? \
|
||||
__inswc((port),(addr),(count)) : \
|
||||
__insw((port),(addr),(count)))
|
||||
|
||||
#define outsl(port,addr,count) \
|
||||
((__builtin_constant_p((port)) && (port) < 32768) ? \
|
||||
__outslc((port),(addr),(count)) : \
|
||||
__outsl ((port),(addr),(count)))
|
||||
|
||||
#define insl(port,addr,count) \
|
||||
((__builtin_constant_p((port)) && (port) < 32768) ? \
|
||||
__inslc((port),(addr),(count)) : \
|
||||
__insl((port),(addr),(count)))
|
||||
|
||||
#define IO_SPACE_LIMIT 0xffff
|
||||
|
||||
/*
|
||||
* The caches on some architectures aren't dma-coherent and have need to
|
||||
* handle this in software. There are three types of operations that
|
||||
* can be applied to dma buffers.
|
||||
*
|
||||
* - dma_cache_wback_inv(start, size) makes caches and coherent by
|
||||
* writing the content of the caches back to memory, if necessary.
|
||||
* The function also invalidates the affected part of the caches as
|
||||
* necessary before DMA transfers from outside to memory.
|
||||
* - dma_cache_wback(start, size) makes caches and coherent by
|
||||
* writing the content of the caches back to memory, if necessary.
|
||||
* The function also invalidates the affected part of the caches as
|
||||
* necessary before DMA transfers from outside to memory.
|
||||
* - dma_cache_inv(start, size) invalidates the affected parts of the
|
||||
* caches. Dirty lines of the caches may be written back or simply
|
||||
* be discarded. This operation is necessary before dma operations
|
||||
* to the memory.
|
||||
*/
|
||||
extern void (*_dma_cache_wback_inv)(unsigned long start, unsigned long size);
|
||||
extern void (*_dma_cache_wback)(unsigned long start, unsigned long size);
|
||||
extern void (*_dma_cache_inv)(unsigned long start, unsigned long size);
|
||||
|
||||
#define dma_cache_wback_inv(start,size) _dma_cache_wback_inv(start,size)
|
||||
#define dma_cache_wback(start,size) _dma_cache_wback(start,size)
|
||||
#define dma_cache_inv(start,size) _dma_cache_inv(start,size)
|
||||
|
||||
static inline void sync(void)
|
||||
{
|
||||
}
|
||||
|
||||
/*
|
||||
* Given a physical address and a length, return a virtual address
|
||||
* that can be used to access the memory range with the caching
|
||||
* properties specified by "flags".
|
||||
*/
|
||||
#define MAP_NOCACHE (0)
|
||||
#define MAP_WRCOMBINE (0)
|
||||
#define MAP_WRBACK (0)
|
||||
#define MAP_WRTHROUGH (0)
|
||||
|
||||
static inline void *
|
||||
map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags)
|
||||
{
|
||||
return (void *)paddr;
|
||||
}
|
||||
|
||||
/*
|
||||
* Take down a mapping set up by map_physmem().
|
||||
*/
|
||||
static inline void unmap_physmem(void *vaddr, unsigned long flags)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
#endif /* _ASM_IO_H */
|
|
@ -0,0 +1,34 @@
|
|||
/*
|
||||
* Various ISA level dependent constants.
|
||||
* Most of the following constants reflect the different layout
|
||||
* of Coprocessor 0 registers.
|
||||
*
|
||||
* Copyright (c) 1998 Harald Koerfgen
|
||||
*/
|
||||
|
||||
#ifndef __ASM_ISADEP_H
|
||||
#define __ASM_ISADEP_H
|
||||
|
||||
#if defined(CONFIG_CPU_R3000) || defined(CONFIG_CPU_TX39XX)
|
||||
/*
|
||||
* R2000 or R3000
|
||||
*/
|
||||
|
||||
/*
|
||||
* kernel or user mode? (CP0_STATUS)
|
||||
*/
|
||||
#define KU_MASK 0x08
|
||||
#define KU_USER 0x08
|
||||
#define KU_KERN 0x00
|
||||
|
||||
#else
|
||||
/*
|
||||
* kernel or user mode?
|
||||
*/
|
||||
#define KU_MASK 0x18
|
||||
#define KU_USER 0x10
|
||||
#define KU_KERN 0x00
|
||||
|
||||
#endif
|
||||
|
||||
#endif /* __ASM_ISADEP_H */
|
1150
6.1/package/boot/uboot-ipq40xx/src/arch/mips/include/asm/jz4740.h
Normal file
1150
6.1/package/boot/uboot-ipq40xx/src/arch/mips/include/asm/jz4740.h
Normal file
File diff suppressed because it is too large
Load diff
1364
6.1/package/boot/uboot-ipq40xx/src/arch/mips/include/asm/mipsregs.h
Normal file
1364
6.1/package/boot/uboot-ipq40xx/src/arch/mips/include/asm/mipsregs.h
Normal file
File diff suppressed because it is too large
Load diff
|
@ -0,0 +1,123 @@
|
|||
/* $Id: posix_types.h,v 1.6 2000/02/04 23:32:54 ralf Exp $
|
||||
*
|
||||
* This file is subject to the terms and conditions of the GNU General Public
|
||||
* License. See the file "COPYING" in the main directory of this archive
|
||||
* for more details.
|
||||
*
|
||||
* Copyright (C) 1996, 1997, 1998, 2000 by Ralf Baechle
|
||||
*/
|
||||
#ifndef _ASM_POSIX_TYPES_H
|
||||
#define _ASM_POSIX_TYPES_H
|
||||
|
||||
/*
|
||||
* This file is generally used by user-level software, so you need to
|
||||
* be a little careful about namespace pollution etc. Also, we cannot
|
||||
* assume GCC is being used.
|
||||
*/
|
||||
|
||||
typedef unsigned int __kernel_dev_t;
|
||||
typedef unsigned long __kernel_ino_t;
|
||||
typedef unsigned int __kernel_mode_t;
|
||||
typedef int __kernel_nlink_t;
|
||||
typedef long __kernel_off_t;
|
||||
typedef int __kernel_pid_t;
|
||||
typedef int __kernel_ipc_pid_t;
|
||||
typedef int __kernel_uid_t;
|
||||
typedef int __kernel_gid_t;
|
||||
typedef unsigned int __kernel_size_t;
|
||||
typedef int __kernel_ssize_t;
|
||||
typedef int __kernel_ptrdiff_t;
|
||||
typedef long __kernel_time_t;
|
||||
typedef long __kernel_suseconds_t;
|
||||
typedef long __kernel_clock_t;
|
||||
typedef long __kernel_daddr_t;
|
||||
typedef char * __kernel_caddr_t;
|
||||
|
||||
typedef unsigned short __kernel_uid16_t;
|
||||
typedef unsigned short __kernel_gid16_t;
|
||||
typedef int __kernel_uid32_t;
|
||||
typedef int __kernel_gid32_t;
|
||||
typedef __kernel_uid_t __kernel_old_uid_t;
|
||||
typedef __kernel_gid_t __kernel_old_gid_t;
|
||||
|
||||
#ifdef __GNUC__
|
||||
typedef long long __kernel_loff_t;
|
||||
#endif
|
||||
|
||||
typedef struct {
|
||||
long val[2];
|
||||
} __kernel_fsid_t;
|
||||
|
||||
#if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2)
|
||||
|
||||
#undef __FD_SET
|
||||
static __inline__ void __FD_SET(unsigned long __fd, __kernel_fd_set *__fdsetp)
|
||||
{
|
||||
unsigned long __tmp = __fd / __NFDBITS;
|
||||
unsigned long __rem = __fd % __NFDBITS;
|
||||
__fdsetp->fds_bits[__tmp] |= (1UL<<__rem);
|
||||
}
|
||||
|
||||
#undef __FD_CLR
|
||||
static __inline__ void __FD_CLR(unsigned long __fd, __kernel_fd_set *__fdsetp)
|
||||
{
|
||||
unsigned long __tmp = __fd / __NFDBITS;
|
||||
unsigned long __rem = __fd % __NFDBITS;
|
||||
__fdsetp->fds_bits[__tmp] &= ~(1UL<<__rem);
|
||||
}
|
||||
|
||||
#undef __FD_ISSET
|
||||
static __inline__ int __FD_ISSET(unsigned long __fd, const __kernel_fd_set *__p)
|
||||
{
|
||||
unsigned long __tmp = __fd / __NFDBITS;
|
||||
unsigned long __rem = __fd % __NFDBITS;
|
||||
return (__p->fds_bits[__tmp] & (1UL<<__rem)) != 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* This will unroll the loop for the normal constant case (8 ints,
|
||||
* for a 256-bit fd_set)
|
||||
*/
|
||||
#undef __FD_ZERO
|
||||
static __inline__ void __FD_ZERO(__kernel_fd_set *__p)
|
||||
{
|
||||
unsigned long *__tmp = __p->fds_bits;
|
||||
int __i;
|
||||
|
||||
if (__builtin_constant_p(__FDSET_LONGS)) {
|
||||
switch (__FDSET_LONGS) {
|
||||
case 16:
|
||||
__tmp[ 0] = 0; __tmp[ 1] = 0;
|
||||
__tmp[ 2] = 0; __tmp[ 3] = 0;
|
||||
__tmp[ 4] = 0; __tmp[ 5] = 0;
|
||||
__tmp[ 6] = 0; __tmp[ 7] = 0;
|
||||
__tmp[ 8] = 0; __tmp[ 9] = 0;
|
||||
__tmp[10] = 0; __tmp[11] = 0;
|
||||
__tmp[12] = 0; __tmp[13] = 0;
|
||||
__tmp[14] = 0; __tmp[15] = 0;
|
||||
return;
|
||||
|
||||
case 8:
|
||||
__tmp[ 0] = 0; __tmp[ 1] = 0;
|
||||
__tmp[ 2] = 0; __tmp[ 3] = 0;
|
||||
__tmp[ 4] = 0; __tmp[ 5] = 0;
|
||||
__tmp[ 6] = 0; __tmp[ 7] = 0;
|
||||
return;
|
||||
|
||||
case 4:
|
||||
__tmp[ 0] = 0; __tmp[ 1] = 0;
|
||||
__tmp[ 2] = 0; __tmp[ 3] = 0;
|
||||
return;
|
||||
}
|
||||
}
|
||||
__i = __FDSET_LONGS;
|
||||
while (__i) {
|
||||
__i--;
|
||||
*__tmp = 0;
|
||||
__tmp++;
|
||||
}
|
||||
}
|
||||
|
||||
#endif /* defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) */
|
||||
|
||||
#endif /* _ASM_POSIX_TYPES_H */
|
|
@ -0,0 +1,142 @@
|
|||
/*
|
||||
* This file is subject to the terms and conditions of the GNU General Public
|
||||
* License. See the file "COPYING" in the main directory of this archive
|
||||
* for more details.
|
||||
*
|
||||
* Copyright (C) 1994 Waldorf GMBH
|
||||
* Copyright (C) 1995, 1996, 1997, 1998, 1999, 2001, 2002, 2003 Ralf Baechle
|
||||
* Copyright (C) 1996 Paul M. Antoine
|
||||
* Copyright (C) 1999, 2000 Silicon Graphics, Inc.
|
||||
*/
|
||||
#ifndef _ASM_PROCESSOR_H
|
||||
#define _ASM_PROCESSOR_H
|
||||
|
||||
#include <linux/config.h>
|
||||
|
||||
#include <asm/isadep.h>
|
||||
|
||||
#include <asm/cachectl.h>
|
||||
#include <asm/mipsregs.h>
|
||||
#include <asm/reg.h>
|
||||
#include <asm/system.h>
|
||||
|
||||
/*
|
||||
* Return current * instruction pointer ("program counter").
|
||||
*/
|
||||
#define current_text_addr() ({ __label__ _l; _l: &&_l;})
|
||||
|
||||
/*
|
||||
* System setup and hardware flags..
|
||||
*/
|
||||
extern void (*cpu_wait)(void);
|
||||
|
||||
extern unsigned int vced_count, vcei_count;
|
||||
|
||||
#define NUM_FPU_REGS 32
|
||||
|
||||
typedef __u64 fpureg_t;
|
||||
|
||||
/*
|
||||
* It would be nice to add some more fields for emulator statistics, but there
|
||||
* are a number of fixed offsets in offset.h and elsewhere that would have to
|
||||
* be recalculated by hand. So the additional information will be private to
|
||||
* the FPU emulator for now. See asm-mips/fpu_emulator.h.
|
||||
*/
|
||||
|
||||
struct mips_fpu_struct {
|
||||
fpureg_t fpr[NUM_FPU_REGS];
|
||||
unsigned int fcr31;
|
||||
};
|
||||
|
||||
#define NUM_DSP_REGS 6
|
||||
|
||||
typedef __u32 dspreg_t;
|
||||
|
||||
struct mips_dsp_state {
|
||||
dspreg_t dspr[NUM_DSP_REGS];
|
||||
unsigned int dspcontrol;
|
||||
};
|
||||
|
||||
typedef struct {
|
||||
unsigned long seg;
|
||||
} mm_segment_t;
|
||||
|
||||
#define ARCH_MIN_TASKALIGN 8
|
||||
|
||||
struct mips_abi;
|
||||
|
||||
/*
|
||||
* If you change thread_struct remember to change the #defines below too!
|
||||
*/
|
||||
struct thread_struct {
|
||||
/* Saved main processor registers. */
|
||||
unsigned long reg16;
|
||||
unsigned long reg17, reg18, reg19, reg20, reg21, reg22, reg23;
|
||||
unsigned long reg29, reg30, reg31;
|
||||
|
||||
/* Saved cp0 stuff. */
|
||||
unsigned long cp0_status;
|
||||
|
||||
/* Saved fpu/fpu emulator stuff. */
|
||||
struct mips_fpu_struct fpu;
|
||||
#ifdef CONFIG_MIPS_MT_FPAFF
|
||||
/* Emulated instruction count */
|
||||
unsigned long emulated_fp;
|
||||
/* Saved per-thread scheduler affinity mask */
|
||||
cpumask_t user_cpus_allowed;
|
||||
#endif /* CONFIG_MIPS_MT_FPAFF */
|
||||
|
||||
/* Saved state of the DSP ASE, if available. */
|
||||
struct mips_dsp_state dsp;
|
||||
|
||||
/* Other stuff associated with the thread. */
|
||||
unsigned long cp0_badvaddr; /* Last user fault */
|
||||
unsigned long cp0_baduaddr; /* Last kernel fault accessing USEG */
|
||||
unsigned long error_code;
|
||||
unsigned long trap_no;
|
||||
unsigned long irix_trampoline; /* Wheee... */
|
||||
unsigned long irix_oldctx;
|
||||
struct mips_abi *abi;
|
||||
};
|
||||
|
||||
struct task_struct;
|
||||
|
||||
/* Free all resources held by a thread. */
|
||||
#define release_thread(thread) do { } while(0)
|
||||
|
||||
/* Prepare to copy thread state - unlazy all lazy status */
|
||||
#define prepare_to_copy(tsk) do { } while (0)
|
||||
|
||||
#define cpu_relax() barrier()
|
||||
|
||||
/*
|
||||
* Return_address is a replacement for __builtin_return_address(count)
|
||||
* which on certain architectures cannot reasonably be implemented in GCC
|
||||
* (MIPS, Alpha) or is unuseable with -fomit-frame-pointer (i386).
|
||||
* Note that __builtin_return_address(x>=1) is forbidden because GCC
|
||||
* aborts compilation on some CPUs. It's simply not possible to unwind
|
||||
* some CPU's stackframes.
|
||||
*
|
||||
* __builtin_return_address works only for non-leaf functions. We avoid the
|
||||
* overhead of a function call by forcing the compiler to save the return
|
||||
* address register on the stack.
|
||||
*/
|
||||
#define return_address() ({__asm__ __volatile__("":::"$31");__builtin_return_address(0);})
|
||||
|
||||
#ifdef CONFIG_CPU_HAS_PREFETCH
|
||||
|
||||
#define ARCH_HAS_PREFETCH
|
||||
|
||||
static inline void prefetch(const void *addr)
|
||||
{
|
||||
__asm__ __volatile__(
|
||||
" .set mips4 \n"
|
||||
" pref %0, (%1) \n"
|
||||
" .set mips0 \n"
|
||||
:
|
||||
: "i" (Pref_Load), "r" (addr));
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
#endif /* _ASM_PROCESSOR_H */
|
|
@ -0,0 +1,87 @@
|
|||
/*
|
||||
* This file is subject to the terms and conditions of the GNU General Public
|
||||
* License. See the file "COPYING" in the main directory of this archive
|
||||
* for more details.
|
||||
*
|
||||
* Copyright (C) 1994, 95, 96, 97, 98, 99, 2000 by Ralf Baechle
|
||||
* Copyright (C) 1999, 2000 Silicon Graphics, Inc.
|
||||
*/
|
||||
#ifndef _ASM_PTRACE_H
|
||||
#define _ASM_PTRACE_H
|
||||
|
||||
/* 0 - 31 are integer registers, 32 - 63 are fp registers. */
|
||||
#define FPR_BASE 32
|
||||
#define PC 64
|
||||
#define CAUSE 65
|
||||
#define BADVADDR 66
|
||||
#define MMHI 67
|
||||
#define MMLO 68
|
||||
#define FPC_CSR 69
|
||||
#define FPC_EIR 70
|
||||
#define DSP_BASE 71 /* 3 more hi / lo register pairs */
|
||||
#define DSP_CONTROL 77
|
||||
#define ACX 78
|
||||
|
||||
/*
|
||||
* This struct defines the way the registers are stored on the stack during a
|
||||
* system call/exception. As usual the registers k0/k1 aren't being saved.
|
||||
*/
|
||||
struct pt_regs {
|
||||
#ifdef CONFIG_32BIT
|
||||
/* Pad bytes for argument save space on the stack. */
|
||||
unsigned long pad0[6];
|
||||
#endif
|
||||
|
||||
/* Saved main processor registers. */
|
||||
unsigned long regs[32];
|
||||
|
||||
/* Saved special registers. */
|
||||
unsigned long cp0_status;
|
||||
unsigned long hi;
|
||||
unsigned long lo;
|
||||
#ifdef CONFIG_CPU_HAS_SMARTMIPS
|
||||
unsigned long acx;
|
||||
#endif
|
||||
unsigned long cp0_badvaddr;
|
||||
unsigned long cp0_cause;
|
||||
unsigned long cp0_epc;
|
||||
#ifdef CONFIG_MIPS_MT_SMTC
|
||||
unsigned long cp0_tcstatus;
|
||||
#endif /* CONFIG_MIPS_MT_SMTC */
|
||||
} __attribute__ ((aligned (8)));
|
||||
|
||||
/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
|
||||
#define PTRACE_GETREGS 12
|
||||
#define PTRACE_SETREGS 13
|
||||
#define PTRACE_GETFPREGS 14
|
||||
#define PTRACE_SETFPREGS 15
|
||||
/* #define PTRACE_GETFPXREGS 18 */
|
||||
/* #define PTRACE_SETFPXREGS 19 */
|
||||
|
||||
#define PTRACE_OLDSETOPTIONS 21
|
||||
|
||||
#define PTRACE_GET_THREAD_AREA 25
|
||||
#define PTRACE_SET_THREAD_AREA 26
|
||||
|
||||
/* Calls to trace a 64bit program from a 32bit program. */
|
||||
#define PTRACE_PEEKTEXT_3264 0xc0
|
||||
#define PTRACE_PEEKDATA_3264 0xc1
|
||||
#define PTRACE_POKETEXT_3264 0xc2
|
||||
#define PTRACE_POKEDATA_3264 0xc3
|
||||
#define PTRACE_GET_THREAD_AREA_3264 0xc4
|
||||
|
||||
#ifdef __KERNEL__
|
||||
|
||||
#include <asm/isadep.h>
|
||||
|
||||
/*
|
||||
* Does the process account for user or for system time?
|
||||
*/
|
||||
#define user_mode(regs) (((regs)->cp0_status & KU_MASK) == KU_USER)
|
||||
|
||||
#define instruction_pointer(regs) ((regs)->cp0_epc)
|
||||
#define profile_pc(regs) instruction_pointer(regs)
|
||||
|
||||
#endif
|
||||
|
||||
#endif /* _ASM_PTRACE_H */
|
|
@ -0,0 +1,14 @@
|
|||
/*
|
||||
* This file is subject to the terms and conditions of the GNU General Public
|
||||
* License. See the file "COPYING" in the main directory of this archive
|
||||
* for more details.
|
||||
*
|
||||
* Copyright (C) 1997, 1999, 2001, 06 by Ralf Baechle
|
||||
* Copyright (C) 2001 MIPS Technologies, Inc.
|
||||
*/
|
||||
#ifndef _ASM_REBOOT_H
|
||||
#define _ASM_REBOOT_H
|
||||
|
||||
extern void _machine_restart(void);
|
||||
|
||||
#endif /* _ASM_REBOOT_H */
|
126
6.1/package/boot/uboot-ipq40xx/src/arch/mips/include/asm/reg.h
Normal file
126
6.1/package/boot/uboot-ipq40xx/src/arch/mips/include/asm/reg.h
Normal file
|
@ -0,0 +1,126 @@
|
|||
/*
|
||||
* Various register offset definitions for debuggers, core file
|
||||
* examiners and whatnot.
|
||||
*
|
||||
* This file is subject to the terms and conditions of the GNU General Public
|
||||
* License. See the file "COPYING" in the main directory of this archive
|
||||
* for more details.
|
||||
*
|
||||
* Copyright (C) 1995, 1999 by Ralf Baechle
|
||||
* Copyright (C) 1995, 1999 Silicon Graphics
|
||||
*/
|
||||
#ifndef __ASM_MIPS_REG_H
|
||||
#define __ASM_MIPS_REG_H
|
||||
|
||||
#if defined(CONFIG_32BIT) || defined(WANT_COMPAT_REG_H)
|
||||
|
||||
#define EF_R0 6
|
||||
#define EF_R1 7
|
||||
#define EF_R2 8
|
||||
#define EF_R3 9
|
||||
#define EF_R4 10
|
||||
#define EF_R5 11
|
||||
#define EF_R6 12
|
||||
#define EF_R7 13
|
||||
#define EF_R8 14
|
||||
#define EF_R9 15
|
||||
#define EF_R10 16
|
||||
#define EF_R11 17
|
||||
#define EF_R12 18
|
||||
#define EF_R13 19
|
||||
#define EF_R14 20
|
||||
#define EF_R15 21
|
||||
#define EF_R16 22
|
||||
#define EF_R17 23
|
||||
#define EF_R18 24
|
||||
#define EF_R19 25
|
||||
#define EF_R20 26
|
||||
#define EF_R21 27
|
||||
#define EF_R22 28
|
||||
#define EF_R23 29
|
||||
#define EF_R24 30
|
||||
#define EF_R25 31
|
||||
|
||||
/*
|
||||
* k0/k1 unsaved
|
||||
*/
|
||||
#define EF_R26 32
|
||||
#define EF_R27 33
|
||||
|
||||
#define EF_R28 34
|
||||
#define EF_R29 35
|
||||
#define EF_R30 36
|
||||
#define EF_R31 37
|
||||
|
||||
/*
|
||||
* Saved special registers
|
||||
*/
|
||||
#define EF_LO 38
|
||||
#define EF_HI 39
|
||||
|
||||
#define EF_CP0_EPC 40
|
||||
#define EF_CP0_BADVADDR 41
|
||||
#define EF_CP0_STATUS 42
|
||||
#define EF_CP0_CAUSE 43
|
||||
#define EF_UNUSED0 44
|
||||
|
||||
#define EF_SIZE 180
|
||||
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_64BIT
|
||||
|
||||
#define EF_R0 0
|
||||
#define EF_R1 1
|
||||
#define EF_R2 2
|
||||
#define EF_R3 3
|
||||
#define EF_R4 4
|
||||
#define EF_R5 5
|
||||
#define EF_R6 6
|
||||
#define EF_R7 7
|
||||
#define EF_R8 8
|
||||
#define EF_R9 9
|
||||
#define EF_R10 10
|
||||
#define EF_R11 11
|
||||
#define EF_R12 12
|
||||
#define EF_R13 13
|
||||
#define EF_R14 14
|
||||
#define EF_R15 15
|
||||
#define EF_R16 16
|
||||
#define EF_R17 17
|
||||
#define EF_R18 18
|
||||
#define EF_R19 19
|
||||
#define EF_R20 20
|
||||
#define EF_R21 21
|
||||
#define EF_R22 22
|
||||
#define EF_R23 23
|
||||
#define EF_R24 24
|
||||
#define EF_R25 25
|
||||
|
||||
/*
|
||||
* k0/k1 unsaved
|
||||
*/
|
||||
#define EF_R26 26
|
||||
#define EF_R27 27
|
||||
|
||||
#define EF_R28 28
|
||||
#define EF_R29 29
|
||||
#define EF_R30 30
|
||||
#define EF_R31 31
|
||||
|
||||
/*
|
||||
* Saved special registers
|
||||
*/
|
||||
#define EF_LO 32
|
||||
#define EF_HI 33
|
||||
|
||||
#define EF_CP0_EPC 34
|
||||
#define EF_CP0_BADVADDR 35
|
||||
#define EF_CP0_STATUS 36
|
||||
#define EF_CP0_CAUSE 37
|
||||
|
||||
#define EF_SIZE 304 /* size in bytes */
|
||||
|
||||
#endif /* CONFIG_64BIT */
|
||||
|
||||
#endif /* __ASM_MIPS_REG_H */
|
|
@ -0,0 +1,100 @@
|
|||
/*
|
||||
* This file is subject to the terms and conditions of the GNU General Public
|
||||
* License. See the file "COPYING" in the main directory of this archive
|
||||
* for more details.
|
||||
*
|
||||
* Copyright (C) 1985 MIPS Computer Systems, Inc.
|
||||
* Copyright (C) 1994, 95, 99, 2003 by Ralf Baechle
|
||||
* Copyright (C) 1990 - 1992, 1999 Silicon Graphics, Inc.
|
||||
*/
|
||||
#ifndef _ASM_REGDEF_H
|
||||
#define _ASM_REGDEF_H
|
||||
|
||||
#include <asm/sgidefs.h>
|
||||
|
||||
#if _MIPS_SIM == _MIPS_SIM_ABI32
|
||||
|
||||
/*
|
||||
* Symbolic register names for 32 bit ABI
|
||||
*/
|
||||
#define zero $0 /* wired zero */
|
||||
#define AT $1 /* assembler temp - uppercase because of ".set at" */
|
||||
#define v0 $2 /* return value */
|
||||
#define v1 $3
|
||||
#define a0 $4 /* argument registers */
|
||||
#define a1 $5
|
||||
#define a2 $6
|
||||
#define a3 $7
|
||||
#define t0 $8 /* caller saved */
|
||||
#define t1 $9
|
||||
#define t2 $10
|
||||
#define t3 $11
|
||||
#define t4 $12
|
||||
#define t5 $13
|
||||
#define t6 $14
|
||||
#define t7 $15
|
||||
#define s0 $16 /* callee saved */
|
||||
#define s1 $17
|
||||
#define s2 $18
|
||||
#define s3 $19
|
||||
#define s4 $20
|
||||
#define s5 $21
|
||||
#define s6 $22
|
||||
#define s7 $23
|
||||
#define t8 $24 /* caller saved */
|
||||
#define t9 $25
|
||||
#define jp $25 /* PIC jump register */
|
||||
#define k0 $26 /* kernel scratch */
|
||||
#define k1 $27
|
||||
#define gp $28 /* global pointer */
|
||||
#define sp $29 /* stack pointer */
|
||||
#define fp $30 /* frame pointer */
|
||||
#define s8 $30 /* same like fp! */
|
||||
#define ra $31 /* return address */
|
||||
|
||||
#endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */
|
||||
|
||||
#if _MIPS_SIM == _MIPS_SIM_ABI64 || _MIPS_SIM == _MIPS_SIM_NABI32
|
||||
|
||||
#define zero $0 /* wired zero */
|
||||
#define AT $at /* assembler temp - uppercase because of ".set at" */
|
||||
#define v0 $2 /* return value - caller saved */
|
||||
#define v1 $3
|
||||
#define a0 $4 /* argument registers */
|
||||
#define a1 $5
|
||||
#define a2 $6
|
||||
#define a3 $7
|
||||
#define a4 $8 /* arg reg 64 bit; caller saved in 32 bit */
|
||||
#define ta0 $8
|
||||
#define a5 $9
|
||||
#define ta1 $9
|
||||
#define a6 $10
|
||||
#define ta2 $10
|
||||
#define a7 $11
|
||||
#define ta3 $11
|
||||
#define t0 $12 /* caller saved */
|
||||
#define t1 $13
|
||||
#define t2 $14
|
||||
#define t3 $15
|
||||
#define s0 $16 /* callee saved */
|
||||
#define s1 $17
|
||||
#define s2 $18
|
||||
#define s3 $19
|
||||
#define s4 $20
|
||||
#define s5 $21
|
||||
#define s6 $22
|
||||
#define s7 $23
|
||||
#define t8 $24 /* caller saved */
|
||||
#define t9 $25 /* callee address for PIC/temp */
|
||||
#define jp $25 /* PIC jump register */
|
||||
#define k0 $26 /* kernel temporary */
|
||||
#define k1 $27
|
||||
#define gp $28 /* global pointer - caller saved for PIC */
|
||||
#define sp $29 /* stack pointer */
|
||||
#define fp $30 /* frame pointer */
|
||||
#define s8 $30 /* callee saved */
|
||||
#define ra $31 /* return address */
|
||||
|
||||
#endif /* _MIPS_SIM == _MIPS_SIM_ABI64 || _MIPS_SIM == _MIPS_SIM_NABI32 */
|
||||
|
||||
#endif /* _ASM_REGDEF_H */
|
|
@ -0,0 +1,44 @@
|
|||
/*
|
||||
* This file is subject to the terms and conditions of the GNU General Public
|
||||
* License. See the file "COPYING" in the main directory of this archive
|
||||
* for more details.
|
||||
*
|
||||
* Copyright (C) 1996, 1999, 2001 Ralf Baechle
|
||||
* Copyright (C) 1999 Silicon Graphics, Inc.
|
||||
* Copyright (C) 2001 MIPS Technologies, Inc.
|
||||
*/
|
||||
#ifndef __ASM_SGIDEFS_H
|
||||
#define __ASM_SGIDEFS_H
|
||||
|
||||
/*
|
||||
* Using a Linux compiler for building Linux seems logic but not to
|
||||
* everybody.
|
||||
*/
|
||||
#if 0 /* ndef __linux__ */
|
||||
#error Use a Linux compiler or give up.
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Definitions for the ISA levels
|
||||
*
|
||||
* With the introduction of MIPS32 / MIPS64 instruction sets definitions
|
||||
* MIPS ISAs are no longer subsets of each other. Therefore comparisons
|
||||
* on these symbols except with == may result in unexpected results and
|
||||
* are forbidden!
|
||||
*/
|
||||
#define _MIPS_ISA_MIPS1 1
|
||||
#define _MIPS_ISA_MIPS2 2
|
||||
#define _MIPS_ISA_MIPS3 3
|
||||
#define _MIPS_ISA_MIPS4 4
|
||||
#define _MIPS_ISA_MIPS5 5
|
||||
#define _MIPS_ISA_MIPS32 6
|
||||
#define _MIPS_ISA_MIPS64 7
|
||||
|
||||
/*
|
||||
* Subprogram calling convention
|
||||
*/
|
||||
#define _MIPS_SIM_ABI32 1
|
||||
#define _MIPS_SIM_NABI32 2
|
||||
#define _MIPS_SIM_ABI64 3
|
||||
|
||||
#endif /* __ASM_SGIDEFS_H */
|
|
@ -0,0 +1,39 @@
|
|||
/*
|
||||
* This file is subject to the terms and conditions of the GNU General Public
|
||||
* License. See the file "COPYING" in the main directory of this archive
|
||||
* for more details.
|
||||
*
|
||||
* Copyright (c) 1994, 95, 96, 97, 98, 2000, 01 Ralf Baechle
|
||||
* Copyright (c) 2000 by Silicon Graphics, Inc.
|
||||
* Copyright (c) 2001 MIPS Technologies, Inc.
|
||||
*/
|
||||
#ifndef _ASM_STRING_H
|
||||
#define _ASM_STRING_H
|
||||
|
||||
/*
|
||||
* We don't do inline string functions, since the
|
||||
* optimised inline asm versions are not small.
|
||||
*/
|
||||
|
||||
#undef __HAVE_ARCH_STRCPY
|
||||
extern char *strcpy(char *__dest, __const__ char *__src);
|
||||
|
||||
#undef __HAVE_ARCH_STRNCPY
|
||||
extern char *strncpy(char *__dest, __const__ char *__src, __kernel_size_t __n);
|
||||
|
||||
#undef __HAVE_ARCH_STRCMP
|
||||
extern int strcmp(__const__ char *__cs, __const__ char *__ct);
|
||||
|
||||
#undef __HAVE_ARCH_STRNCMP
|
||||
extern int strncmp(__const__ char *__cs, __const__ char *__ct, __kernel_size_t __count);
|
||||
|
||||
#undef __HAVE_ARCH_MEMSET
|
||||
extern void *memset(void *__s, int __c, __kernel_size_t __count);
|
||||
|
||||
#undef __HAVE_ARCH_MEMCPY
|
||||
extern void *memcpy(void *__to, __const__ void *__from, __kernel_size_t __n);
|
||||
|
||||
#undef __HAVE_ARCH_MEMMOVE
|
||||
extern void *memmove(void *__dest, __const__ void *__src, __kernel_size_t __n);
|
||||
|
||||
#endif /* _ASM_STRING_H */
|
|
@ -0,0 +1,268 @@
|
|||
/*
|
||||
* This file is subject to the terms and conditions of the GNU General Public
|
||||
* License. See the file "COPYING" in the main directory of this archive
|
||||
* for more details.
|
||||
*
|
||||
* Copyright (C) 1994 - 1999 by Ralf Baechle
|
||||
* Copyright (C) 1996 by Paul M. Antoine
|
||||
* Copyright (C) 1994 - 1999 by Ralf Baechle
|
||||
*
|
||||
* Changed set_except_vector declaration to allow return of previous
|
||||
* vector address value - necessary for "borrowing" vectors.
|
||||
*
|
||||
* Kevin D. Kissell, kevink@mips.org and Carsten Langgaard, carstenl@mips.com
|
||||
* Copyright (C) 2000 MIPS Technologies, Inc.
|
||||
*/
|
||||
#ifndef _ASM_SYSTEM_H
|
||||
#define _ASM_SYSTEM_H
|
||||
|
||||
#include <linux/config.h>
|
||||
#include <asm/sgidefs.h>
|
||||
#include <asm/ptrace.h>
|
||||
#if 0
|
||||
#include <linux/kernel.h>
|
||||
#endif
|
||||
|
||||
extern __inline__ void
|
||||
__sti(void)
|
||||
{
|
||||
__asm__ __volatile__(
|
||||
".set\tpush\n\t"
|
||||
".set\treorder\n\t"
|
||||
".set\tnoat\n\t"
|
||||
"mfc0\t$1,$12\n\t"
|
||||
"ori\t$1,0x1f\n\t"
|
||||
"xori\t$1,0x1e\n\t"
|
||||
"mtc0\t$1,$12\n\t"
|
||||
".set\tpop\n\t"
|
||||
: /* no outputs */
|
||||
: /* no inputs */
|
||||
: "$1", "memory");
|
||||
}
|
||||
|
||||
/*
|
||||
* For cli() we have to insert nops to make shure that the new value
|
||||
* has actually arrived in the status register before the end of this
|
||||
* macro.
|
||||
* R4000/R4400 need three nops, the R4600 two nops and the R10000 needs
|
||||
* no nops at all.
|
||||
*/
|
||||
extern __inline__ void
|
||||
__cli(void)
|
||||
{
|
||||
__asm__ __volatile__(
|
||||
".set\tpush\n\t"
|
||||
".set\treorder\n\t"
|
||||
".set\tnoat\n\t"
|
||||
"mfc0\t$1,$12\n\t"
|
||||
"ori\t$1,1\n\t"
|
||||
"xori\t$1,1\n\t"
|
||||
".set\tnoreorder\n\t"
|
||||
"mtc0\t$1,$12\n\t"
|
||||
"nop\n\t"
|
||||
"nop\n\t"
|
||||
"nop\n\t"
|
||||
".set\tpop\n\t"
|
||||
: /* no outputs */
|
||||
: /* no inputs */
|
||||
: "$1", "memory");
|
||||
}
|
||||
|
||||
#define __save_flags(x) \
|
||||
__asm__ __volatile__( \
|
||||
".set\tpush\n\t" \
|
||||
".set\treorder\n\t" \
|
||||
"mfc0\t%0,$12\n\t" \
|
||||
".set\tpop\n\t" \
|
||||
: "=r" (x))
|
||||
|
||||
#define __save_and_cli(x) \
|
||||
__asm__ __volatile__( \
|
||||
".set\tpush\n\t" \
|
||||
".set\treorder\n\t" \
|
||||
".set\tnoat\n\t" \
|
||||
"mfc0\t%0,$12\n\t" \
|
||||
"ori\t$1,%0,1\n\t" \
|
||||
"xori\t$1,1\n\t" \
|
||||
".set\tnoreorder\n\t" \
|
||||
"mtc0\t$1,$12\n\t" \
|
||||
"nop\n\t" \
|
||||
"nop\n\t" \
|
||||
"nop\n\t" \
|
||||
".set\tpop\n\t" \
|
||||
: "=r" (x) \
|
||||
: /* no inputs */ \
|
||||
: "$1", "memory")
|
||||
|
||||
#define __restore_flags(flags) \
|
||||
do { \
|
||||
unsigned long __tmp1; \
|
||||
\
|
||||
__asm__ __volatile__( \
|
||||
".set\tnoreorder\t\t\t# __restore_flags\n\t" \
|
||||
".set\tnoat\n\t" \
|
||||
"mfc0\t$1, $12\n\t" \
|
||||
"andi\t%0, 1\n\t" \
|
||||
"ori\t$1, 1\n\t" \
|
||||
"xori\t$1, 1\n\t" \
|
||||
"or\t%0, $1\n\t" \
|
||||
"mtc0\t%0, $12\n\t" \
|
||||
"nop\n\t" \
|
||||
"nop\n\t" \
|
||||
"nop\n\t" \
|
||||
".set\tat\n\t" \
|
||||
".set\treorder" \
|
||||
: "=r" (__tmp1) \
|
||||
: "0" (flags) \
|
||||
: "$1", "memory"); \
|
||||
} while(0)
|
||||
|
||||
#ifdef CONFIG_SMP
|
||||
|
||||
extern void __global_sti(void);
|
||||
extern void __global_cli(void);
|
||||
extern unsigned long __global_save_flags(void);
|
||||
extern void __global_restore_flags(unsigned long);
|
||||
# define sti() __global_sti()
|
||||
# define cli() __global_cli()
|
||||
# define save_flags(x) do { x = __global_save_flags(); } while (0)
|
||||
# define restore_flags(x) __global_restore_flags(x)
|
||||
# define save_and_cli(x) do { save_flags(x); cli(); } while(0)
|
||||
|
||||
#else /* Single processor */
|
||||
|
||||
# define sti() __sti()
|
||||
# define cli() __cli()
|
||||
# define save_flags(x) __save_flags(x)
|
||||
# define save_and_cli(x) __save_and_cli(x)
|
||||
# define restore_flags(x) __restore_flags(x)
|
||||
|
||||
#endif /* SMP */
|
||||
|
||||
/* For spinlocks etc */
|
||||
#define local_irq_save(x) __save_and_cli(x);
|
||||
#define local_irq_restore(x) __restore_flags(x);
|
||||
#define local_irq_disable() __cli();
|
||||
#define local_irq_enable() __sti();
|
||||
|
||||
/*
|
||||
* These are probably defined overly paranoid ...
|
||||
*/
|
||||
#ifdef CONFIG_CPU_HAS_WB
|
||||
|
||||
#include <asm/wbflush.h>
|
||||
#define rmb() do { } while(0)
|
||||
#define wmb() wbflush()
|
||||
#define mb() wbflush()
|
||||
|
||||
#else /* CONFIG_CPU_HAS_WB */
|
||||
|
||||
#define mb() \
|
||||
__asm__ __volatile__( \
|
||||
"# prevent instructions being moved around\n\t" \
|
||||
".set\tnoreorder\n\t" \
|
||||
"# 8 nops to fool the R4400 pipeline\n\t" \
|
||||
"nop;nop;nop;nop;nop;nop;nop;nop\n\t" \
|
||||
".set\treorder" \
|
||||
: /* no output */ \
|
||||
: /* no input */ \
|
||||
: "memory")
|
||||
#define rmb() mb()
|
||||
#define wmb() mb()
|
||||
|
||||
#endif /* CONFIG_CPU_HAS_WB */
|
||||
|
||||
#ifdef CONFIG_SMP
|
||||
#define smp_mb() mb()
|
||||
#define smp_rmb() rmb()
|
||||
#define smp_wmb() wmb()
|
||||
#else
|
||||
#define smp_mb() barrier()
|
||||
#define smp_rmb() barrier()
|
||||
#define smp_wmb() barrier()
|
||||
#endif
|
||||
|
||||
#define set_mb(var, value) \
|
||||
do { var = value; mb(); } while (0)
|
||||
|
||||
#define set_wmb(var, value) \
|
||||
do { var = value; wmb(); } while (0)
|
||||
|
||||
#if !defined (_LANGUAGE_ASSEMBLY)
|
||||
/*
|
||||
* switch_to(n) should switch tasks to task nr n, first
|
||||
* checking that n isn't the current task, in which case it does nothing.
|
||||
*/
|
||||
#if 0
|
||||
extern asmlinkage void *resume(void *last, void *next);
|
||||
#endif
|
||||
#endif /* !defined (_LANGUAGE_ASSEMBLY) */
|
||||
|
||||
#define prepare_to_switch() do { } while(0)
|
||||
#define switch_to(prev,next,last) \
|
||||
do { \
|
||||
(last) = resume(prev, next); \
|
||||
} while(0)
|
||||
|
||||
/*
|
||||
* For 32 and 64 bit operands we can take advantage of ll and sc.
|
||||
* FIXME: This doesn't work for R3000 machines.
|
||||
*/
|
||||
extern __inline__ unsigned long xchg_u32(volatile int * m, unsigned long val)
|
||||
{
|
||||
#ifdef CONFIG_CPU_HAS_LLSC
|
||||
unsigned long dummy;
|
||||
|
||||
__asm__ __volatile__(
|
||||
".set\tnoreorder\t\t\t# xchg_u32\n\t"
|
||||
".set\tnoat\n\t"
|
||||
"ll\t%0, %3\n"
|
||||
"1:\tmove\t$1, %2\n\t"
|
||||
"sc\t$1, %1\n\t"
|
||||
"beqzl\t$1, 1b\n\t"
|
||||
" ll\t%0, %3\n\t"
|
||||
".set\tat\n\t"
|
||||
".set\treorder"
|
||||
: "=r" (val), "=o" (*m), "=r" (dummy)
|
||||
: "o" (*m), "2" (val)
|
||||
: "memory");
|
||||
|
||||
return val;
|
||||
#else
|
||||
unsigned long flags, retval;
|
||||
|
||||
save_flags(flags);
|
||||
cli();
|
||||
retval = *m;
|
||||
*m = val;
|
||||
restore_flags(flags);
|
||||
return retval;
|
||||
#endif /* Processor-dependent optimization */
|
||||
}
|
||||
|
||||
#define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
|
||||
#define tas(ptr) (xchg((ptr),1))
|
||||
|
||||
static __inline__ unsigned long
|
||||
__xchg(unsigned long x, volatile void * ptr, int size)
|
||||
{
|
||||
switch (size) {
|
||||
case 4:
|
||||
return xchg_u32(ptr, x);
|
||||
}
|
||||
return x;
|
||||
}
|
||||
|
||||
extern void *set_except_vector(int n, void *addr);
|
||||
|
||||
extern void __die(const char *, struct pt_regs *, const char *where,
|
||||
unsigned long line) __attribute__((noreturn));
|
||||
extern void __die_if_kernel(const char *, struct pt_regs *, const char *where,
|
||||
unsigned long line);
|
||||
|
||||
#define die(msg, regs) \
|
||||
__die(msg, regs, __FILE__ ":"__FUNCTION__, __LINE__)
|
||||
#define die_if_kernel(msg, regs) \
|
||||
__die_if_kernel(msg, regs, __FILE__ ":"__FUNCTION__, __LINE__)
|
||||
|
||||
#endif /* _ASM_SYSTEM_H */
|
107
6.1/package/boot/uboot-ipq40xx/src/arch/mips/include/asm/types.h
Normal file
107
6.1/package/boot/uboot-ipq40xx/src/arch/mips/include/asm/types.h
Normal file
|
@ -0,0 +1,107 @@
|
|||
/*
|
||||
* This file is subject to the terms and conditions of the GNU General Public
|
||||
* License. See the file "COPYING" in the main directory of this archive
|
||||
* for more details.
|
||||
*
|
||||
* Copyright (C) 1994, 1995, 1996, 1999 by Ralf Baechle
|
||||
* Copyright (C) 1999 Silicon Graphics, Inc.
|
||||
*/
|
||||
#ifndef _ASM_TYPES_H
|
||||
#define _ASM_TYPES_H
|
||||
|
||||
#ifndef __ASSEMBLY__
|
||||
|
||||
typedef unsigned short umode_t;
|
||||
|
||||
/*
|
||||
* __xx is ok: it doesn't pollute the POSIX namespace. Use these in the
|
||||
* header files exported to user space
|
||||
*/
|
||||
|
||||
typedef __signed__ char __s8;
|
||||
typedef unsigned char __u8;
|
||||
|
||||
typedef __signed__ short __s16;
|
||||
typedef unsigned short __u16;
|
||||
|
||||
typedef __signed__ int __s32;
|
||||
typedef unsigned int __u32;
|
||||
|
||||
#if (_MIPS_SZLONG == 64)
|
||||
|
||||
typedef __signed__ long __s64;
|
||||
typedef unsigned long __u64;
|
||||
|
||||
#else
|
||||
|
||||
#if defined(__GNUC__)
|
||||
__extension__ typedef __signed__ long long __s64;
|
||||
__extension__ typedef unsigned long long __u64;
|
||||
#endif
|
||||
|
||||
#endif
|
||||
|
||||
#endif /* __ASSEMBLY__ */
|
||||
|
||||
/*
|
||||
* These aren't exported outside the kernel to avoid name space clashes
|
||||
*/
|
||||
#ifdef __KERNEL__
|
||||
|
||||
#define BITS_PER_LONG _MIPS_SZLONG
|
||||
|
||||
#ifndef __ASSEMBLY__
|
||||
|
||||
typedef __signed char s8;
|
||||
typedef unsigned char u8;
|
||||
|
||||
typedef __signed short s16;
|
||||
typedef unsigned short u16;
|
||||
|
||||
typedef __signed int s32;
|
||||
typedef unsigned int u32;
|
||||
|
||||
#if (_MIPS_SZLONG == 64)
|
||||
|
||||
typedef __signed__ long s64;
|
||||
typedef unsigned long u64;
|
||||
|
||||
#else
|
||||
|
||||
#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
|
||||
typedef __signed__ long long s64;
|
||||
typedef unsigned long long u64;
|
||||
#endif
|
||||
|
||||
#endif
|
||||
|
||||
#if (defined(CONFIG_HIGHMEM) && defined(CONFIG_64BIT_PHYS_ADDR)) \
|
||||
|| defined(CONFIG_64BIT)
|
||||
typedef u64 dma_addr_t;
|
||||
|
||||
typedef u64 phys_addr_t;
|
||||
typedef u64 phys_size_t;
|
||||
|
||||
#else
|
||||
typedef u32 dma_addr_t;
|
||||
|
||||
typedef u32 phys_addr_t;
|
||||
typedef u32 phys_size_t;
|
||||
|
||||
#endif
|
||||
typedef u64 dma64_addr_t;
|
||||
|
||||
/*
|
||||
* Don't use phys_t. You've been warned.
|
||||
*/
|
||||
#ifdef CONFIG_64BIT_PHYS_ADDR
|
||||
typedef unsigned long long phys_t;
|
||||
#else
|
||||
typedef unsigned long phys_t;
|
||||
#endif
|
||||
|
||||
#endif /* __ASSEMBLY__ */
|
||||
|
||||
#endif /* __KERNEL__ */
|
||||
|
||||
#endif /* _ASM_TYPES_H */
|
|
@ -0,0 +1,11 @@
|
|||
/*
|
||||
* This file is released under the terms of GPL v2 and any later version.
|
||||
* See the file COPYING in the root directory of the source tree for details.
|
||||
*
|
||||
* Copyright (C) 2003 Wolfgang Denk, DENX Software Engineering, wd@denx.de
|
||||
*/
|
||||
|
||||
extern ulong uboot_end_data;
|
||||
extern ulong uboot_end;
|
||||
|
||||
extern int incaip_set_cpuclk(void);
|
|
@ -0,0 +1,48 @@
|
|||
/*
|
||||
* (C) Copyright 2003
|
||||
* Wolfgang Denk, DENX Software Engineering, <wd@denx.de>
|
||||
*
|
||||
* See file CREDITS for list of people who contributed to this
|
||||
* project.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License as
|
||||
* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
* MA 02111-1307 USA
|
||||
*
|
||||
********************************************************************
|
||||
* NOTE: This header file defines an interface to U-Boot. Including
|
||||
* this (unmodified) header file in another file is considered normal
|
||||
* use of U-Boot, and does *not* fall under the heading of "derived
|
||||
* work".
|
||||
********************************************************************
|
||||
*/
|
||||
|
||||
#ifndef _U_BOOT_H_
|
||||
#define _U_BOOT_H_ 1
|
||||
|
||||
typedef struct bd_info {
|
||||
int bi_baudrate; /* serial console baudrate */
|
||||
unsigned long bi_arch_number; /* unique id for this board */
|
||||
unsigned long bi_boot_params; /* where this board expects params */
|
||||
unsigned long bi_memstart; /* start of DRAM memory */
|
||||
phys_size_t bi_memsize; /* size of DRAM memory in bytes */
|
||||
unsigned long bi_flashstart; /* start of FLASH memory */
|
||||
unsigned long bi_flashsize; /* size of FLASH memory */
|
||||
unsigned long bi_flashoffset; /* reserved area for startup monitor */
|
||||
} bd_t;
|
||||
|
||||
/* For image.h:image_check_target_arch() */
|
||||
#define IH_ARCH_DEFAULT IH_ARCH_MIPS
|
||||
|
||||
#endif /* _U_BOOT_H_ */
|
|
@ -0,0 +1,26 @@
|
|||
/*
|
||||
* This file is subject to the terms and conditions of the GNU General Public
|
||||
* License. See the file "COPYING" in the main directory of this archive
|
||||
* for more details.
|
||||
*
|
||||
* Copyright (C) 2007 Ralf Baechle (ralf@linux-mips.org)
|
||||
*/
|
||||
#ifndef _ASM_MIPS_UNALIGNED_H
|
||||
#define _ASM_MIPS_UNALIGNED_H
|
||||
|
||||
#include <compiler.h>
|
||||
#if defined(__MIPSEB__)
|
||||
#define get_unaligned __get_unaligned_be
|
||||
#define put_unaligned __put_unaligned_be
|
||||
#elif defined(__MIPSEL__)
|
||||
#define get_unaligned __get_unaligned_le
|
||||
#define put_unaligned __put_unaligned_le
|
||||
#else
|
||||
#error "MIPS, but neither __MIPSEB__, nor __MIPSEL__???"
|
||||
#endif
|
||||
|
||||
#include <linux/unaligned/le_byteshift.h>
|
||||
#include <linux/unaligned/be_byteshift.h>
|
||||
#include <linux/unaligned/generic.h>
|
||||
|
||||
#endif /* _ASM_MIPS_UNALIGNED_H */
|
50
6.1/package/boot/uboot-ipq40xx/src/arch/mips/lib/Makefile
Normal file
50
6.1/package/boot/uboot-ipq40xx/src/arch/mips/lib/Makefile
Normal file
|
@ -0,0 +1,50 @@
|
|||
#
|
||||
# (C) Copyright 2003-2006
|
||||
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
||||
#
|
||||
# See file CREDITS for list of people who contributed to this
|
||||
# project.
|
||||
#
|
||||
# This program is free software; you can redistribute it and/or
|
||||
# modify it under the terms of the GNU General Public License as
|
||||
# published by the Free Software Foundation; either version 2 of
|
||||
# the License, or (at your option) any later version.
|
||||
#
|
||||
# This program is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with this program; if not, write to the Free Software
|
||||
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
# MA 02111-1307 USA
|
||||
#
|
||||
|
||||
include $(TOPDIR)/config.mk
|
||||
|
||||
LIB = $(obj)lib$(ARCH).o
|
||||
|
||||
SOBJS-y +=
|
||||
|
||||
COBJS-y += board.o
|
||||
ifeq ($(CONFIG_QEMU_MIPS),y)
|
||||
COBJS-y += bootm_qemu_mips.o
|
||||
else
|
||||
COBJS-y += bootm.o
|
||||
endif
|
||||
|
||||
SRCS := $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
|
||||
OBJS := $(addprefix $(obj),$(SOBJS-y) $(COBJS-y))
|
||||
|
||||
$(LIB): $(obj).depend $(OBJS)
|
||||
$(call cmd_link_o_target, $(OBJS))
|
||||
|
||||
#########################################################################
|
||||
|
||||
# defines $(obj).depend target
|
||||
include $(SRCTREE)/rules.mk
|
||||
|
||||
sinclude $(obj).depend
|
||||
|
||||
#########################################################################
|
367
6.1/package/boot/uboot-ipq40xx/src/arch/mips/lib/board.c
Normal file
367
6.1/package/boot/uboot-ipq40xx/src/arch/mips/lib/board.c
Normal file
|
@ -0,0 +1,367 @@
|
|||
/*
|
||||
* (C) Copyright 2003
|
||||
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
||||
*
|
||||
* See file CREDITS for list of people who contributed to this
|
||||
* project.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License as
|
||||
* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
* MA 02111-1307 USA
|
||||
*/
|
||||
|
||||
#include <common.h>
|
||||
#include <command.h>
|
||||
#include <malloc.h>
|
||||
#include <stdio_dev.h>
|
||||
#include <version.h>
|
||||
#include <net.h>
|
||||
#include <environment.h>
|
||||
#include <nand.h>
|
||||
#include <onenand_uboot.h>
|
||||
#include <spi.h>
|
||||
|
||||
#ifdef CONFIG_BITBANGMII
|
||||
#include <miiphy.h>
|
||||
#endif
|
||||
|
||||
DECLARE_GLOBAL_DATA_PTR;
|
||||
|
||||
ulong monitor_flash_len;
|
||||
|
||||
static char *failed = "*** failed ***\n";
|
||||
|
||||
/*
|
||||
* mips_io_port_base is the begin of the address space to which x86 style
|
||||
* I/O ports are mapped.
|
||||
*/
|
||||
unsigned long mips_io_port_base = -1;
|
||||
|
||||
int __board_early_init_f(void)
|
||||
{
|
||||
/*
|
||||
* Nothing to do in this dummy implementation
|
||||
*/
|
||||
return 0;
|
||||
}
|
||||
int board_early_init_f(void)
|
||||
__attribute__((weak, alias("__board_early_init_f")));
|
||||
|
||||
static int init_func_ram(void)
|
||||
{
|
||||
#ifdef CONFIG_BOARD_TYPES
|
||||
int board_type = gd->board_type;
|
||||
#else
|
||||
int board_type = 0; /* use dummy arg */
|
||||
#endif
|
||||
puts("DRAM: ");
|
||||
|
||||
gd->ram_size = initdram(board_type);
|
||||
if (gd->ram_size > 0) {
|
||||
print_size(gd->ram_size, "\n");
|
||||
return 0;
|
||||
}
|
||||
puts(failed);
|
||||
return 1;
|
||||
}
|
||||
|
||||
static int display_banner(void)
|
||||
{
|
||||
|
||||
printf("\n\n%s\n\n", version_string);
|
||||
return 0;
|
||||
}
|
||||
|
||||
#ifndef CONFIG_SYS_NO_FLASH
|
||||
static void display_flash_config(ulong size)
|
||||
{
|
||||
puts("Flash: ");
|
||||
print_size(size, "\n");
|
||||
}
|
||||
#endif
|
||||
|
||||
static int init_baudrate(void)
|
||||
{
|
||||
gd->baudrate = getenv_ulong("baudrate", 10, CONFIG_BAUDRATE);
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* Breath some life into the board...
|
||||
*
|
||||
* The first part of initialization is running from Flash memory;
|
||||
* its main purpose is to initialize the RAM so that we
|
||||
* can relocate the monitor code to RAM.
|
||||
*/
|
||||
|
||||
/*
|
||||
* All attempts to come up with a "common" initialization sequence
|
||||
* that works for all boards and architectures failed: some of the
|
||||
* requirements are just _too_ different. To get rid of the resulting
|
||||
* mess of board dependend #ifdef'ed code we now make the whole
|
||||
* initialization sequence configurable to the user.
|
||||
*
|
||||
* The requirements for any new initalization function is simple: it
|
||||
* receives a pointer to the "global data" structure as it's only
|
||||
* argument, and returns an integer return code, where 0 means
|
||||
* "continue" and != 0 means "fatal error, hang the system".
|
||||
*/
|
||||
typedef int (init_fnc_t)(void);
|
||||
|
||||
init_fnc_t *init_sequence[] = {
|
||||
board_early_init_f,
|
||||
timer_init,
|
||||
env_init, /* initialize environment */
|
||||
#ifdef CONFIG_INCA_IP
|
||||
incaip_set_cpuclk, /* set cpu clock according to env. variable */
|
||||
#endif
|
||||
init_baudrate, /* initialize baudrate settings */
|
||||
serial_init, /* serial communications setup */
|
||||
console_init_f,
|
||||
display_banner, /* say that we are here */
|
||||
checkboard,
|
||||
init_func_ram,
|
||||
NULL,
|
||||
};
|
||||
|
||||
|
||||
void board_init_f(ulong bootflag)
|
||||
{
|
||||
gd_t gd_data, *id;
|
||||
bd_t *bd;
|
||||
init_fnc_t **init_fnc_ptr;
|
||||
ulong addr, addr_sp, len = (ulong)&uboot_end - CONFIG_SYS_MONITOR_BASE;
|
||||
ulong *s;
|
||||
|
||||
/* Pointer is writable since we allocated a register for it.
|
||||
*/
|
||||
gd = &gd_data;
|
||||
/* compiler optimization barrier needed for GCC >= 3.4 */
|
||||
__asm__ __volatile__("" : : : "memory");
|
||||
|
||||
memset((void *)gd, 0, sizeof(gd_t));
|
||||
|
||||
for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
|
||||
if ((*init_fnc_ptr)() != 0)
|
||||
hang();
|
||||
}
|
||||
|
||||
/*
|
||||
* Now that we have DRAM mapped and working, we can
|
||||
* relocate the code and continue running from DRAM.
|
||||
*/
|
||||
addr = CONFIG_SYS_SDRAM_BASE + gd->ram_size;
|
||||
|
||||
/* We can reserve some RAM "on top" here.
|
||||
*/
|
||||
|
||||
/* round down to next 4 kB limit.
|
||||
*/
|
||||
addr &= ~(4096 - 1);
|
||||
debug("Top of RAM usable for U-Boot at: %08lx\n", addr);
|
||||
|
||||
/* Reserve memory for U-Boot code, data & bss
|
||||
* round down to next 16 kB limit
|
||||
*/
|
||||
addr -= len;
|
||||
addr &= ~(16 * 1024 - 1);
|
||||
|
||||
debug("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);
|
||||
|
||||
/* Reserve memory for malloc() arena.
|
||||
*/
|
||||
addr_sp = addr - TOTAL_MALLOC_LEN;
|
||||
debug("Reserving %dk for malloc() at: %08lx\n",
|
||||
TOTAL_MALLOC_LEN >> 10, addr_sp);
|
||||
|
||||
/*
|
||||
* (permanently) allocate a Board Info struct
|
||||
* and a permanent copy of the "global" data
|
||||
*/
|
||||
addr_sp -= sizeof(bd_t);
|
||||
bd = (bd_t *)addr_sp;
|
||||
gd->bd = bd;
|
||||
debug("Reserving %zu Bytes for Board Info at: %08lx\n",
|
||||
sizeof(bd_t), addr_sp);
|
||||
|
||||
addr_sp -= sizeof(gd_t);
|
||||
id = (gd_t *)addr_sp;
|
||||
debug("Reserving %zu Bytes for Global Data at: %08lx\n",
|
||||
sizeof(gd_t), addr_sp);
|
||||
|
||||
/* Reserve memory for boot params.
|
||||
*/
|
||||
addr_sp -= CONFIG_SYS_BOOTPARAMS_LEN;
|
||||
bd->bi_boot_params = addr_sp;
|
||||
debug("Reserving %dk for boot params() at: %08lx\n",
|
||||
CONFIG_SYS_BOOTPARAMS_LEN >> 10, addr_sp);
|
||||
|
||||
/*
|
||||
* Finally, we set up a new (bigger) stack.
|
||||
*
|
||||
* Leave some safety gap for SP, force alignment on 16 byte boundary
|
||||
* Clear initial stack frame
|
||||
*/
|
||||
addr_sp -= 16;
|
||||
addr_sp &= ~0xF;
|
||||
s = (ulong *)addr_sp;
|
||||
*s-- = 0;
|
||||
*s-- = 0;
|
||||
addr_sp = (ulong)s;
|
||||
debug("Stack Pointer at: %08lx\n", addr_sp);
|
||||
|
||||
/*
|
||||
* Save local variables to board info struct
|
||||
*/
|
||||
bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; /* start of DRAM */
|
||||
bd->bi_memsize = gd->ram_size; /* size of DRAM in bytes */
|
||||
bd->bi_baudrate = gd->baudrate; /* Console Baudrate */
|
||||
|
||||
memcpy(id, (void *)gd, sizeof(gd_t));
|
||||
|
||||
relocate_code(addr_sp, id, addr);
|
||||
|
||||
/* NOTREACHED - relocate_code() does not return */
|
||||
}
|
||||
|
||||
/*
|
||||
* This is the next part if the initialization sequence: we are now
|
||||
* running from RAM and have a "normal" C environment, i. e. global
|
||||
* data can be written, BSS has been cleared, the stack size in not
|
||||
* that critical any more, etc.
|
||||
*/
|
||||
|
||||
void board_init_r(gd_t *id, ulong dest_addr)
|
||||
{
|
||||
#ifndef CONFIG_SYS_NO_FLASH
|
||||
ulong size;
|
||||
#endif
|
||||
extern void malloc_bin_reloc(void);
|
||||
#ifndef CONFIG_ENV_IS_NOWHERE
|
||||
extern char *env_name_spec;
|
||||
#endif
|
||||
bd_t *bd;
|
||||
|
||||
gd = id;
|
||||
gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
|
||||
|
||||
debug("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
|
||||
|
||||
gd->reloc_off = dest_addr - CONFIG_SYS_MONITOR_BASE;
|
||||
|
||||
monitor_flash_len = (ulong)&uboot_end_data - dest_addr;
|
||||
|
||||
#if defined(CONFIG_NEEDS_MANUAL_RELOC)
|
||||
/*
|
||||
* We have to relocate the command table manually
|
||||
*/
|
||||
fixup_cmdtable(&__u_boot_cmd_start,
|
||||
(ulong)(&__u_boot_cmd_end - &__u_boot_cmd_start));
|
||||
#endif /* defined(CONFIG_NEEDS_MANUAL_RELOC) */
|
||||
|
||||
/* there are some other pointer constants we must deal with */
|
||||
#ifndef CONFIG_ENV_IS_NOWHERE
|
||||
env_name_spec += gd->reloc_off;
|
||||
#endif
|
||||
|
||||
bd = gd->bd;
|
||||
|
||||
/* The Malloc area is immediately below the monitor copy in DRAM */
|
||||
mem_malloc_init(CONFIG_SYS_MONITOR_BASE + gd->reloc_off -
|
||||
TOTAL_MALLOC_LEN, TOTAL_MALLOC_LEN);
|
||||
malloc_bin_reloc();
|
||||
|
||||
#ifndef CONFIG_SYS_NO_FLASH
|
||||
/* configure available FLASH banks */
|
||||
size = flash_init();
|
||||
display_flash_config(size);
|
||||
bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
|
||||
bd->bi_flashsize = size;
|
||||
|
||||
#if CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE
|
||||
bd->bi_flashoffset = monitor_flash_len; /* reserved area for U-Boot */
|
||||
#else
|
||||
bd->bi_flashoffset = 0;
|
||||
#endif
|
||||
#else
|
||||
bd->bi_flashstart = 0;
|
||||
bd->bi_flashsize = 0;
|
||||
bd->bi_flashoffset = 0;
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_CMD_NAND
|
||||
puts("NAND: ");
|
||||
nand_init(); /* go init the NAND */
|
||||
#endif
|
||||
|
||||
#if defined(CONFIG_CMD_ONENAND)
|
||||
onenand_init();
|
||||
#endif
|
||||
|
||||
/* relocate environment function pointers etc. */
|
||||
env_relocate();
|
||||
|
||||
#if defined(CONFIG_PCI)
|
||||
/*
|
||||
* Do pci configuration
|
||||
*/
|
||||
pci_init();
|
||||
#endif
|
||||
|
||||
/** leave this here (after malloc(), environment and PCI are working) **/
|
||||
/* Initialize stdio devices */
|
||||
stdio_init();
|
||||
|
||||
jumptable_init();
|
||||
|
||||
/* Initialize the console (after the relocation and devices init) */
|
||||
console_init_r();
|
||||
/** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** **/
|
||||
|
||||
/* Initialize from environment */
|
||||
load_addr = getenv_ulong("loadaddr", 16, load_addr);
|
||||
|
||||
#ifdef CONFIG_CMD_SPI
|
||||
puts("SPI: ");
|
||||
spi_init(); /* go init the SPI */
|
||||
puts("ready\n");
|
||||
#endif
|
||||
|
||||
#if defined(CONFIG_MISC_INIT_R)
|
||||
/* miscellaneous platform dependent initialisations */
|
||||
misc_init_r();
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_BITBANGMII
|
||||
bb_miiphy_init();
|
||||
#endif
|
||||
#if defined(CONFIG_CMD_NET)
|
||||
puts("Net: ");
|
||||
eth_initialize(gd->bd);
|
||||
#endif
|
||||
|
||||
/* main_loop() can return to retry autoboot, if so just run it again. */
|
||||
for (;;)
|
||||
main_loop();
|
||||
|
||||
/* NOTREACHED - no way out of command loop except booting */
|
||||
}
|
||||
|
||||
void hang(void)
|
||||
{
|
||||
puts("### ERROR ### Please RESET the board ###\n");
|
||||
for (;;)
|
||||
;
|
||||
}
|
174
6.1/package/boot/uboot-ipq40xx/src/arch/mips/lib/bootm.c
Normal file
174
6.1/package/boot/uboot-ipq40xx/src/arch/mips/lib/bootm.c
Normal file
|
@ -0,0 +1,174 @@
|
|||
/*
|
||||
* (C) Copyright 2003
|
||||
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
||||
*
|
||||
* See file CREDITS for list of people who contributed to this
|
||||
* project.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
*/
|
||||
|
||||
#include <common.h>
|
||||
#include <command.h>
|
||||
#include <image.h>
|
||||
#include <u-boot/zlib.h>
|
||||
#include <asm/byteorder.h>
|
||||
#include <asm/addrspace.h>
|
||||
|
||||
DECLARE_GLOBAL_DATA_PTR;
|
||||
|
||||
#define LINUX_MAX_ENVS 256
|
||||
#define LINUX_MAX_ARGS 256
|
||||
|
||||
static int linux_argc;
|
||||
static char **linux_argv;
|
||||
|
||||
static char **linux_env;
|
||||
static char *linux_env_p;
|
||||
static int linux_env_idx;
|
||||
|
||||
static void linux_params_init(ulong start, char *commandline);
|
||||
static void linux_env_set(char *env_name, char *env_val);
|
||||
|
||||
int do_bootm_linux(int flag, int argc, char * const argv[],
|
||||
bootm_headers_t *images)
|
||||
{
|
||||
void (*theKernel) (int, char **, char **, int *);
|
||||
char *commandline = getenv("bootargs");
|
||||
char env_buf[12];
|
||||
char *cp;
|
||||
|
||||
if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
|
||||
return 1;
|
||||
|
||||
/* find kernel entry point */
|
||||
theKernel = (void (*)(int, char **, char **, int *))images->ep;
|
||||
|
||||
bootstage_mark(BOOTSTAGE_ID_RUN_OS);
|
||||
|
||||
#ifdef DEBUG
|
||||
printf("## Transferring control to Linux (at address %08lx) ...\n",
|
||||
(ulong) theKernel);
|
||||
#endif
|
||||
|
||||
linux_params_init(UNCACHED_SDRAM(gd->bd->bi_boot_params), commandline);
|
||||
|
||||
#ifdef CONFIG_MEMSIZE_IN_BYTES
|
||||
sprintf(env_buf, "%lu", (ulong)gd->ram_size);
|
||||
debug("## Giving linux memsize in bytes, %lu\n", (ulong)gd->ram_size);
|
||||
#else
|
||||
sprintf(env_buf, "%lu", (ulong)(gd->ram_size >> 20));
|
||||
debug("## Giving linux memsize in MB, %lu\n",
|
||||
(ulong)(gd->ram_size >> 20));
|
||||
#endif /* CONFIG_MEMSIZE_IN_BYTES */
|
||||
|
||||
linux_env_set("memsize", env_buf);
|
||||
|
||||
sprintf(env_buf, "0x%08X", (uint) UNCACHED_SDRAM(images->rd_start));
|
||||
linux_env_set("initrd_start", env_buf);
|
||||
|
||||
sprintf(env_buf, "0x%X", (uint) (images->rd_end - images->rd_start));
|
||||
linux_env_set("initrd_size", env_buf);
|
||||
|
||||
sprintf(env_buf, "0x%08X", (uint) (gd->bd->bi_flashstart));
|
||||
linux_env_set("flash_start", env_buf);
|
||||
|
||||
sprintf(env_buf, "0x%X", (uint) (gd->bd->bi_flashsize));
|
||||
linux_env_set("flash_size", env_buf);
|
||||
|
||||
cp = getenv("ethaddr");
|
||||
if (cp)
|
||||
linux_env_set("ethaddr", cp);
|
||||
|
||||
cp = getenv("eth1addr");
|
||||
if (cp)
|
||||
linux_env_set("eth1addr", cp);
|
||||
|
||||
/* we assume that the kernel is in place */
|
||||
printf("\nStarting kernel ...\n\n");
|
||||
|
||||
theKernel(linux_argc, linux_argv, linux_env, 0);
|
||||
|
||||
/* does not return */
|
||||
return 1;
|
||||
}
|
||||
|
||||
static void linux_params_init(ulong start, char *line)
|
||||
{
|
||||
char *next, *quote, *argp;
|
||||
|
||||
linux_argc = 1;
|
||||
linux_argv = (char **) start;
|
||||
linux_argv[0] = 0;
|
||||
argp = (char *) (linux_argv + LINUX_MAX_ARGS);
|
||||
|
||||
next = line;
|
||||
|
||||
while (line && *line && linux_argc < LINUX_MAX_ARGS) {
|
||||
quote = strchr(line, '"');
|
||||
next = strchr(line, ' ');
|
||||
|
||||
while (next && quote && quote < next) {
|
||||
/* we found a left quote before the next blank
|
||||
* now we have to find the matching right quote
|
||||
*/
|
||||
next = strchr(quote + 1, '"');
|
||||
if (next) {
|
||||
quote = strchr(next + 1, '"');
|
||||
next = strchr(next + 1, ' ');
|
||||
}
|
||||
}
|
||||
|
||||
if (!next)
|
||||
next = line + strlen(line);
|
||||
|
||||
linux_argv[linux_argc] = argp;
|
||||
memcpy(argp, line, next - line);
|
||||
argp[next - line] = 0;
|
||||
|
||||
argp += next - line + 1;
|
||||
linux_argc++;
|
||||
|
||||
if (*next)
|
||||
next++;
|
||||
|
||||
line = next;
|
||||
}
|
||||
|
||||
linux_env = (char **) (((ulong) argp + 15) & ~15);
|
||||
linux_env[0] = 0;
|
||||
linux_env_p = (char *) (linux_env + LINUX_MAX_ENVS);
|
||||
linux_env_idx = 0;
|
||||
}
|
||||
|
||||
static void linux_env_set(char *env_name, char *env_val)
|
||||
{
|
||||
if (linux_env_idx < LINUX_MAX_ENVS - 1) {
|
||||
linux_env[linux_env_idx] = linux_env_p;
|
||||
|
||||
strcpy(linux_env_p, env_name);
|
||||
linux_env_p += strlen(env_name);
|
||||
|
||||
strcpy(linux_env_p, "=");
|
||||
linux_env_p += 1;
|
||||
|
||||
strcpy(linux_env_p, env_val);
|
||||
linux_env_p += strlen(env_val);
|
||||
|
||||
linux_env_p++;
|
||||
linux_env[++linux_env_idx] = 0;
|
||||
}
|
||||
}
|
|
@ -0,0 +1,78 @@
|
|||
/*
|
||||
* (C) Copyright 2008
|
||||
* Jean-Christophe PLAGNIOL-VILLARD <jcplagniol@jcrosoft.com>
|
||||
*
|
||||
* See file CREDITS for list of people who contributed to this
|
||||
* project.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
*/
|
||||
|
||||
#include <common.h>
|
||||
#include <command.h>
|
||||
#include <image.h>
|
||||
#include <asm/byteorder.h>
|
||||
#include <asm/addrspace.h>
|
||||
|
||||
DECLARE_GLOBAL_DATA_PTR;
|
||||
|
||||
int do_bootm_linux(int flag, int argc, char * const argv[],
|
||||
bootm_headers_t *images)
|
||||
{
|
||||
void (*theKernel) (int, char **, char **, int *);
|
||||
char *bootargs = getenv("bootargs");
|
||||
char *start;
|
||||
uint len;
|
||||
|
||||
/* find kernel entry point */
|
||||
theKernel = (void (*)(int, char **, char **, int *))images->ep;
|
||||
|
||||
bootstage_mark(BOOTSTAGE_ID_RUN_OS);
|
||||
|
||||
debug("## Transferring control to Linux (at address %08lx) ...\n",
|
||||
(ulong) theKernel);
|
||||
|
||||
gd->bd->bi_boot_params = gd->bd->bi_memstart + (16 << 20) - 256;
|
||||
debug("%-12s= 0x%08lX\n", "boot_params", (ulong)gd->bd->bi_boot_params);
|
||||
|
||||
/* set Magic */
|
||||
*(int32_t *)(gd->bd->bi_boot_params - 4) = 0x12345678;
|
||||
/* set ram_size */
|
||||
*(int32_t *)(gd->bd->bi_boot_params - 8) = gd->ram_size;
|
||||
|
||||
start = (char *)gd->bd->bi_boot_params;
|
||||
|
||||
len = strlen(bootargs);
|
||||
|
||||
strncpy(start, bootargs, len + 1);
|
||||
|
||||
start += len;
|
||||
|
||||
len = images->rd_end - images->rd_start;
|
||||
if (len > 0) {
|
||||
start += sprintf(start, " rd_start=0x%08X rd_size=0x%0X",
|
||||
(uint) UNCACHED_SDRAM(images->rd_start),
|
||||
(uint) len);
|
||||
}
|
||||
|
||||
/* we assume that the kernel is in place */
|
||||
printf("\nStarting kernel ...\n\n");
|
||||
|
||||
theKernel(0, NULL, NULL, 0);
|
||||
|
||||
/* does not return */
|
||||
return 1;
|
||||
}
|
Loading…
Add table
Add a link
Reference in a new issue