From 702e6014f15b307f144fa03ecaf83a8446c6802a Mon Sep 17 00:00:00 2001 From: Wolfgang Denk Date: Sun, 29 Apr 2012 23:57:39 +0000 Subject: doc: cleanup - move board READMEs into respective board directories Also drop a few files referring to no longer / not yet supported boards. Signed-off-by: Wolfgang Denk Cc: Prafulla Wadaskar Cc: Stefan Roese Cc: Kim Phillips Cc: Andy Fleming Cc: Jason Jin Cc: Stefano Babic Cc: Daniel Schwierzeck Acked-by: Stefano Babic Acked-by: Daniel Schwierzeck --- board/freescale/mpc8315erdb/README | 105 +++++++++++++++++++++++++++++++++++++ 1 file changed, 105 insertions(+) create mode 100644 board/freescale/mpc8315erdb/README (limited to 'board/freescale/mpc8315erdb') diff --git a/board/freescale/mpc8315erdb/README b/board/freescale/mpc8315erdb/README new file mode 100644 index 0000000000..b32132d053 --- /dev/null +++ b/board/freescale/mpc8315erdb/README @@ -0,0 +1,105 @@ +Freescale MPC8315ERDB Board +----------------------------------------- + +1. Board Switches and Jumpers + + S3 is used to set CONFIG_SYS_RESET_SOURCE. + + To boot the image at 0xFE000000 in NOR flash, use these DIP + switch settings for S3 S4: + + +------+ +------+ + | | | **** | + | **** | | | + +------+ ON +------+ ON + 4321 4321 + (where the '*' indicates the position of the tab of the switch.) + + To boot the image at the beginning of NAND flash, use these + DIP switch settings for S3 S4: + + +------+ +------+ + | * | | *** | + | *** | | * | + +------+ ON +------+ ON + 4321 4321 + (where the '*' indicates the position of the tab of the switch.) + + When booting from NAND, use u-boot-nand.bin, not u-boot.bin. + +2. Memory Map + The memory map looks like this: + + 0x0000_0000 0x07ff_ffff DDR 128M + 0x8000_0000 0x8fff_ffff PCI MEM 256M + 0x9000_0000 0x9fff_ffff PCI_MMIO 256M + 0xe000_0000 0xe00f_ffff IMMR 1M + 0xe030_0000 0xe03f_ffff PCI IO 1M + 0xe060_0000 0xe060_7fff NAND FLASH (CS1) 32K + 0xfe00_0000 0xfe7f_ffff NOR FLASH (CS0) 8M + + When booting from NAND, NAND flash is CS0 and NOR flash + is CS1. + +3. Definitions + +3.1 Explanation of NEW definitions in: + + include/configs/MPC8315ERDB.h + + CONFIG_MPC83xx MPC83xx family + CONFIG_MPC831x MPC831x specific + CONFIG_MPC8315 MPC8315 specific + CONFIG_MPC8315ERDB MPC8315ERDB board specific + +4. Compilation + + Assuming you're using BASH (or similar) as your shell: + + export CROSS_COMPILE=your-cross-compiler-prefix- + make distclean + make MPC8315ERDB_config (or MPC8315ERDB_NAND_config for u-boot-nand.bin) + make all + +5. Downloading and Flashing Images + +5.1 Reflash U-boot Image using U-boot + + NOR flash: + + tftp 40000 u-boot.bin + protect off all + erase fe000000 fe1fffff + + cp.b 40000 fe000000 xxxx + protect on all + + You have to supply the correct byte count with 'xxxx' + from the TFTP result log. + + NAND flash: + + =>tftpboot $loadaddr + =>nand erase 0 0x80000 + =>nand write $loadaddr 0 0x80000 + + ...where 0x80000 is the filesize rounded up to + the next 0x20000 increment. + +5.2 Downloading and Booting Linux Kernel + + Ensure that all networking-related environment variables are set + properly (including ipaddr, serverip, gatewayip (if needed), + netmask, ethaddr, eth1addr, rootpath (if using NFS root), + fdtfile, and bootfile). + + Then, do one of the following, depending on whether you + want an NFS root or a ramdisk root: + + =>run nfsboot + or + =>run ramboot + +6 Notes + + The console baudrate for MPC8315ERDB is 115200bps. -- cgit v1.2.1