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Add a directory by kernel instead of a common root, add qnap-301w and rpi4 kernel 6.1 suppport
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74
common/package/utils/sysupgrade-helper/src/doc/README.spear
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common/package/utils/sysupgrade-helper/src/doc/README.spear
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SPEAr (Structured Processor Enhanced Architecture).
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SPEAr600 is also known as SPEArPlus and SPEAr300 is also known as SPEArBasic
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The SPEAr SoC family embeds a customizable logic that can be programmed
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one-time by a customer at silicon mask level (i.e. not at runtime!).
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U-Boot supports four SoCs: SPEAr600, SPEAr3xx
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All 4 SoCs (SPEAr3xx and SPEAr600) share common peripherals. SPEAr300 and
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SPEAr600 do not have EMI.
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1. ARM926ejs core based (sp600 has two cores, the 2nd handled only in Linux)
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2. FastEthernet (sp600 has Gbit version, but same controller - GMAC)
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3. USB Host
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4. USB Device
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5. NAND controller (FSMC)
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6. Serial NOR ctrl
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7. I2C
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8. SPI
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9. CLCD
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10. others ..
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Everything is supported in Linux.
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u-boot is currently not supporting all peripeharls (just a few as listed below).
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1. USB Device
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2. NAND controller (FSMC)
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3. Serial Memory Interface
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4. EMI (Parallel NOR interface)
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4. I2C
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5. UART
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Build options
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make spear320_config
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spear320 build with environment variables placed at default
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location i.e. Serial NOR device
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make spear320_pnor_config
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This option generates a uboot image that supports emi controller
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for CFI compliant parallel NOR flash. Environment variables are
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placed in Parallel NOR device
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make spear320_nand_config
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spear320 build with environment variables placed in NAND device
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make spear320_usbtty_config
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spear320 build with usbtty terminal as default and environment
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placed at default location
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make spear320_usbtty_pnor_config
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spear320 build with usbtty terminal as default and environment
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placed in pnor device
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make spear320_usbtty_nand_config
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Build with usbtty terminal as default and environment placed in
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NAND device
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make spear300_config
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make spear300_nand_config
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make spear300_usbtty_config
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make spear300_usbtty_nand_config
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make spear310_config
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make spear310_pnor_config
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make spear310_nand_config
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make spear310_usbtty_config
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make spear310_usbtty_pnor_config
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make spear310_usbtty_nand_config
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make spear600_config
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make spear600_nand_config
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make spear600_usbtty_config
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make spear600_usbtty_nand_config
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Mac id storage and retrieval in spear platforms
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Please read doc/README.enetaddr for the implementation guidelines for mac id
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usage. Basically, environment has precedence over board specific storage. The
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ethaddr beeing used for the network interface is always taken only from
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environment variables. Although, we can check the mac id programmed in i2c
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memory by using chip_config command
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