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Fix for RUTX platform

This commit is contained in:
Ycarus (Yannick Chabanois) 2022-03-28 18:17:07 +02:00
parent ccdb64ad45
commit 59bc57d5d5
7254 changed files with 1810270 additions and 7 deletions

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#
# (C) Copyright 2000-2006
# 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 $(TOPDIR)/config.mk
ifneq ($(OBJTREE),$(SRCTREE))
$(shell mkdir -p $(obj)../common)
endif
LIB = $(obj)lib$(BOARD).o
COBJS = $(BOARD).o flash.o \
../common/misc.o \
../common/esd405ep_nand.o \
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS))
SOBJS := $(addprefix $(obj),$(SOBJS))
$(LIB): $(OBJS) $(SOBJS)
$(call cmd_link_o_target, $(OBJS))
#########################################################################
# defines $(obj).depend target
include $(SRCTREE)/rules.mk
sinclude $(obj).depend
#########################################################################

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/*
* (C) Copyright 2001
* Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.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 <asm/ppc4xx.h>
#include <asm/processor.h>
/*
* include common flash code (for esd boards)
*/
#include "../common/flash.c"
/*-----------------------------------------------------------------------
* Functions
*/
static ulong flash_get_size (vu_long * addr, flash_info_t * info);
static void flash_get_offsets (ulong base, flash_info_t * info);
/*-----------------------------------------------------------------------
*/
unsigned long flash_init (void)
{
unsigned long size_b0;
int i;
uint pbcr;
unsigned long base_b0;
int size_val = 0;
/* Init: no FLASHes known */
for (i=0; i<CONFIG_SYS_MAX_FLASH_BANKS; ++i) {
flash_info[i].flash_id = FLASH_UNKNOWN;
}
/* Static FLASH Bank configuration here - FIXME XXX */
size_b0 = flash_get_size((vu_long *)FLASH_BASE0_PRELIM, &flash_info[0]);
if (flash_info[0].flash_id == FLASH_UNKNOWN) {
printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
size_b0, size_b0<<20);
}
/* Setup offsets */
flash_get_offsets (-size_b0, &flash_info[0]);
/* Re-do sizing to get full correct info */
mtdcr(EBC0_CFGADDR, PB0CR);
pbcr = mfdcr(EBC0_CFGDATA);
mtdcr(EBC0_CFGADDR, PB0CR);
base_b0 = -size_b0;
switch (size_b0) {
case 1 << 20:
size_val = 0;
break;
case 2 << 20:
size_val = 1;
break;
case 4 << 20:
size_val = 2;
break;
case 8 << 20:
size_val = 3;
break;
case 16 << 20:
size_val = 4;
break;
}
pbcr = (pbcr & 0x0001ffff) | base_b0 | (size_val << 17);
mtdcr(EBC0_CFGDATA, pbcr);
/* Monitor protection ON by default */
(void)flash_protect(FLAG_PROTECT_SET,
-CONFIG_SYS_MONITOR_LEN,
0xffffffff,
&flash_info[0]);
flash_info[0].size = size_b0;
return (size_b0);
}

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/*
* (C) Copyright 2001-2003
* Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.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 <asm/processor.h>
#include <asm/io.h>
#include <command.h>
#include <malloc.h>
#include <sja1000.h>
#undef FPGA_DEBUG
DECLARE_GLOBAL_DATA_PTR;
extern void lxt971_no_sleep(void);
/* fpga configuration data - gzip compressed and generated by bin2c */
const unsigned char fpgadata[] =
{
#include "fpgadata.c"
};
/*
* include common fpga code (for esd boards)
*/
#include "../common/fpga.c"
/*
* generate a short spike on the CAN tx line
* to bring the couplers in sync
*/
void init_coupler(u32 addr)
{
struct sja1000_basic_s *ctrl = (struct sja1000_basic_s *)addr;
/* reset */
out_8(&ctrl->cr, CR_RR);
/* dominant */
out_8(&ctrl->btr0, 0x00); /* btr setup is required */
out_8(&ctrl->btr1, 0x14); /* we use 1Mbit/s */
out_8(&ctrl->oc, OC_TP1 | OC_TN1 | OC_POL1 |
OC_TP0 | OC_TN0 | OC_POL0 | OC_MODE1);
out_8(&ctrl->cr, 0x00);
/* delay */
in_8(&ctrl->cr);
in_8(&ctrl->cr);
in_8(&ctrl->cr);
in_8(&ctrl->cr);
/* reset */
out_8(&ctrl->cr, CR_RR);
}
int board_early_init_f(void)
{
/*
* IRQ 0-15 405GP internally generated; active high; level sensitive
* IRQ 16 405GP internally generated; active low; level sensitive
* IRQ 17-24 RESERVED
* IRQ 25 (EXT IRQ 0) CAN0; active low; level sensitive
* IRQ 26 (EXT IRQ 1) SER0 ; active low; level sensitive
* IRQ 27 (EXT IRQ 2) SER1; active low; level sensitive
* IRQ 28 (EXT IRQ 3) FPGA 0; active low; level sensitive
* IRQ 29 (EXT IRQ 4) FPGA 1; active low; level sensitive
* IRQ 30 (EXT IRQ 5) PCI INTA; active low; level sensitive
* IRQ 31 (EXT IRQ 6) COMPACT FLASH; active high; level sensitive
*/
mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */
mtdcr(UIC0ER, 0x00000000); /* disable all ints */
mtdcr(UIC0CR, 0x00000000); /* set all to be non-critical*/
mtdcr(UIC0PR, 0xFFFFFF99); /* set int polarities */
mtdcr(UIC0TR, 0x10000000); /* set int trigger levels */
mtdcr(UIC0VCR, 0x00000001); /* set vect base=0,INT0 highest prio */
mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */
/*
* EBC Configuration Register: set ready timeout to
* 512 ebc-clks -> ca. 15 us
*/
mtebc(EBC0_CFG, 0xa8400000); /* ebc always driven */
return 0;
}
int misc_init_r(void)
{
unsigned char *dst;
unsigned char fctr;
ulong len = sizeof(fpgadata);
int status;
int index;
int i;
/* adjust flash start and offset */
gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize;
gd->bd->bi_flashoffset = 0;
dst = malloc(CONFIG_SYS_FPGA_MAX_SIZE);
if (gunzip(dst, CONFIG_SYS_FPGA_MAX_SIZE,
(uchar *)fpgadata, &len) != 0) {
printf("GUNZIP ERROR - must RESET board to recover\n");
do_reset(NULL, 0, 0, NULL);
}
status = fpga_boot(dst, len);
if (status != 0) {
printf("\nFPGA: Booting failed ");
switch (status) {
case ERROR_FPGA_PRG_INIT_LOW:
printf("(Timeout: INIT not low "
"after asserting PROGRAM*)\n");
break;
case ERROR_FPGA_PRG_INIT_HIGH:
printf("(Timeout: INIT not high "
"after deasserting PROGRAM*)\n");
break;
case ERROR_FPGA_PRG_DONE:
printf("(Timeout: DONE not high "
"after programming FPGA)\n");
break;
}
/* display infos on fpgaimage */
index = 15;
for (i=0; i<4; i++) {
len = dst[index];
printf("FPGA: %s\n", &(dst[index+1]));
index += len+3;
}
putc ('\n');
/* delayed reboot */
for (i=20; i>0; i--) {
printf("Rebooting in %2d seconds \r",i);
for (index=0;index<1000;index++)
udelay(1000);
}
putc('\n');
do_reset(NULL, 0, 0, NULL);
}
puts("FPGA: ");
/* display infos on fpgaimage */
index = 15;
for (i=0; i<4; i++) {
len = dst[index];
printf("%s ", &(dst[index+1]));
index += len+3;
}
putc('\n');
free(dst);
/*
* Reset FPGA via FPGA_DATA pin
*/
SET_FPGA(FPGA_PRG | FPGA_CLK);
udelay(1000); /* wait 1ms */
SET_FPGA(FPGA_PRG | FPGA_CLK | FPGA_DATA);
udelay(1000); /* wait 1ms */
/*
* Reset external DUARTs
*/
out_be32((void*)GPIO0_OR,
in_be32((void*)GPIO0_OR) | CONFIG_SYS_DUART_RST);
udelay(10);
out_be32((void*)GPIO0_OR,
in_be32((void*)GPIO0_OR) & ~CONFIG_SYS_DUART_RST);
udelay(1000);
/*
* Set NAND-FLASH GPIO signals to default
*/
out_be32((void*)GPIO0_OR,
in_be32((void*)GPIO0_OR) &
~(CONFIG_SYS_NAND_CLE | CONFIG_SYS_NAND_ALE));
out_be32((void*)GPIO0_OR,
in_be32((void*)GPIO0_OR) | CONFIG_SYS_NAND_CE);
/*
* Setup EEPROM write protection
*/
out_be32((void*)GPIO0_OR,
in_be32((void*)GPIO0_OR) | CONFIG_SYS_EEPROM_WP);
out_be32((void*)GPIO0_TCR,
in_be32((void*)GPIO0_TCR) | CONFIG_SYS_EEPROM_WP);
/*
* Enable interrupts in exar duart mcr[3]
*/
out_8((void *)DUART0_BA + 4, 0x08);
out_8((void *)DUART1_BA + 4, 0x08);
/*
* Enable auto RS485 mode in 2nd external uart
*/
out_8((void *)DUART1_BA + 3, 0xbf); /* write LCR */
fctr = in_8((void *)DUART1_BA + 1); /* read FCTR */
fctr |= 0x08; /* enable RS485 mode */
out_8((void *)DUART1_BA + 1, fctr); /* write FCTR */
out_8((void *)DUART1_BA + 3, 0); /* write LCR */
/*
* Init magnetic couplers
*/
if (!getenv("noinitcoupler")) {
init_coupler(CAN0_BA);
init_coupler(CAN1_BA);
}
return 0;
}
/*
* Check Board Identity:
*/
int checkboard(void)
{
char str[64];
int i = getenv_f("serial#", str, sizeof(str));
puts("Board: ");
if (i == -1)
puts("### No HW ID - assuming PLU405");
else
puts(str);
putc('\n');
return 0;
}
#ifdef CONFIG_IDE_RESET
#define FPGA_CTRL (CONFIG_SYS_FPGA_BASE_ADDR + CONFIG_SYS_FPGA_CTRL)
void ide_set_reset(int on)
{
/*
* Assert or deassert CompactFlash Reset Pin
*/
if (on) { /* assert RESET */
out_be16((void *)FPGA_CTRL,
in_be16((void *)FPGA_CTRL) &
~CONFIG_SYS_FPGA_CTRL_CF_RESET);
} else { /* release RESET */
out_be16((void *)FPGA_CTRL,
in_be16((void *)FPGA_CTRL) |
CONFIG_SYS_FPGA_CTRL_CF_RESET);
}
}
#endif /* CONFIG_IDE_RESET */
void reset_phy(void)
{
#ifdef CONFIG_LXT971_NO_SLEEP
/*
* Disable sleep mode in LXT971
*/
lxt971_no_sleep();
#endif
}
#if defined(CONFIG_SYS_EEPROM_WREN)
/* Input: <dev_addr> I2C address of EEPROM device to enable.
* <state> -1: deliver current state
* 0: disable write
* 1: enable write
* Returns: -1: wrong device address
* 0: dis-/en- able done
* 0/1: current state if <state> was -1.
*/
int eeprom_write_enable(unsigned dev_addr, int state)
{
if (CONFIG_SYS_I2C_EEPROM_ADDR != dev_addr) {
return -1;
} else {
switch (state) {
case 1:
/* Enable write access, clear bit GPIO0. */
out_be32((void*)GPIO0_OR,
in_be32((void*)GPIO0_OR) &
~CONFIG_SYS_EEPROM_WP);
state = 0;
break;
case 0:
/* Disable write access, set bit GPIO0. */
out_be32((void*)GPIO0_OR,
in_be32((void*)GPIO0_OR) |
CONFIG_SYS_EEPROM_WP);
state = 0;
break;
default:
/* Read current status back. */
state = ((in_be32((void*)GPIO0_OR) &
CONFIG_SYS_EEPROM_WP) == 0);
break;
}
}
return state;
}
int do_eep_wren(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
int query = argc == 1;
int state = 0;
if (query) {
/* Query write access state. */
state = eeprom_write_enable(CONFIG_SYS_I2C_EEPROM_ADDR, -1);
if (state < 0) {
puts("Query of write access state failed.\n");
} else {
printf("Write access for device 0x%0x is %sabled.\n",
CONFIG_SYS_I2C_EEPROM_ADDR,
state ? "en" : "dis");
state = 0;
}
} else {
if (argv[1][0] == '0') {
/* Disable write access. */
state = eeprom_write_enable(CONFIG_SYS_I2C_EEPROM_ADDR,
0);
} else {
/* Enable write access. */
state = eeprom_write_enable(CONFIG_SYS_I2C_EEPROM_ADDR,
1);
}
if (state < 0)
puts("Setup of write access state failed.\n");
}
return state;
}
U_BOOT_CMD(eepwren, 2, 0, do_eep_wren,
"Enable / disable / query EEPROM write access",
""
);
#endif /* #if defined(CONFIG_SYS_EEPROM_WREN) */