New board SIMPC8313 support: README

Signed-off-by: Ron Madrid --- doc/README.simpc8313 | 70 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 70 insertions(+), 0 deletions(-) create mode 100644 doc/README.simpc8313

diff --git a/doc/README.simpc8313 b/doc/README.simpc8313 new file mode 100644 index 0000000..60e5ab8 --- /dev/null +++ b/doc/README.simpc8313 @@ -0,0 +1,70 @@ +Freescale MPC8313ERDB Board +------------------------------------------------------------------------------- + +1. Board Switches and Jumpers + + S2 is used to set CFG_RESET_SOURCE. + + To boot the image in Large page NAND flash, use these DIP + switch settings for S2: + + +----------+ ON + | * * **** | + | * * | + +----------+ + 12345678 + + To boot the image in Large page NAND flash, use these DIP + switch settings for S2: + + +----------+ ON + | *** **** | + | * | + +----------+ + 12345678 + (where the '*' indicates the position of the tab of the switch.) + +2. Memory Map + The memory map looks like this: + + 0x0000_0000 0x1fff_ffff DDR 512M + 0x8000_0000 0x8fff_ffff PCI MEM 256M + 0x9000_0000 0x9fff_ffff PCI_MMIO 256M + 0xe000_0000 0xe00f_ffff IMMR 1M + 0xe200_0000 0xe20f_ffff PCI IO 16M + 0xe280_0000 0xe280_7fff NAND FLASH (CS0) 32K + or + 0xe280_0000 0xe281_ffff NAND FLASH (CS0) 128K + 0xfa00_0000 0xfa00_7fff FPGA (CS1) 1M + +3. Compilation + + Assuming you're using BASH (or similar) as your shell: + + export CROSS_COMPILE=your-cross-compiler-prefix- + make distclean + make SIMPC8313_LP_config + (or make SIMPC8313_SP_config, depending on the page size + of your NAND flash) + make + +4. Downloading and Flashing Images + +4.1 Reflash U-boot Image using U-boot + + =>run update_uboot + + You may want to try + =>tftp $loadaddr $uboot + first, to make sure that the TFTP load will succeed before it + goes ahead and wipes out your current firmware. And of course, + have an alternate means of programming the flash available + if the new u-boot doesn't boot. + +4.2 Downloading and Booting Linux Kernel + + TODO: + +5 Notes + + The console baudrate for SIMPC8313 is 115200bps.