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Diffstat (limited to 'board/freescale/t104xrdb/README')
| -rw-r--r-- | board/freescale/t104xrdb/README | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/board/freescale/t104xrdb/README b/board/freescale/t104xrdb/README index 1da52bb..cdbe1fa 100644 --- a/board/freescale/t104xrdb/README +++ b/board/freescale/t104xrdb/README @@ -198,3 +198,76 @@ The below commands apply to the board 2.To change from vbank4 to vbank0 => qixis reset (it will boot using vbank0) + +NAND boot with 2 Stage boot loader +---------------------------------- +PBL initialise the internal SRAM and copy SPL(160KB) in SRAM. +SPL further initialise DDR using SPD and environment variables and copy +u-boot(768 KB) from flash to DDR. +Finally SPL transer control to u-boot for futher booting. + +SPL has following features: + - Executes within 256K + - No relocation required + + Run time view of SPL framework during boot :- + ----------------------------------------------- + Area | Address | +----------------------------------------------- + Secure boot | 0xFFFC0000 (32KB) | + headers | | + ----------------------------------------------- + GD, BD | 0xFFFC8000 (4KB) | + ----------------------------------------------- + ENV | 0xFFFC9000 (8KB) | + ----------------------------------------------- + HEAP | 0xFFFCB000 (30KB) | + ----------------------------------------------- + STACK | 0xFFFD8000 (22KB) | + ----------------------------------------------- + U-boot SPL | 0xFFFD8000 (160KB) | + ----------------------------------------------- + +NAND Flash memory Map on T104xRDB +------------------------------------------ + Start End Definition Size +0x000000 0x0FFFFF u-boot 1MB +0x180000 0x19FFFF u-boot env 128KB +0x280000 0x29FFFF FMAN Ucode 128KB +0x380000 0x39FFFF QE Firmware 128KB + +SD Card memory Map on T104xRDB +------------------------------------------ + Block #blocks Definition Size +0x008 2048 u-boot 1MB +0x800 0024 u-boot env 8KB +0x820 0256 FMAN Ucode 128KB +0x920 0256 QE Firmware 128KB + +SPI Flash memory Map on T104xRDB +------------------------------------------ + Start End Definition Size +0x000000 0x0FFFFF u-boot 1MB +0x100000 0x101FFF u-boot env 8KB +0x110000 0x12FFFF FMAN Ucode 128KB +0x130000 0x14FFFF QE Firmware 128KB + +Please note QE Firmware is only valid for T1040RDB + + +Switch Settings: (ON is 0, OFF is 1) +=============== +NAND boot SW setting: +SW1: 10001000 +SW2: 00111001 +SW3: 11110001 + +SPI boot SW setting: +SW1: 00100010 +SW2: 10111001 +SW3: 11100001 + +SD boot SW setting: +SW1: 00100000 +SW2: 00111001 +SW3: 11100001 |