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| author | Wolfgang Denk <wd@denx.de> | 2010-01-12 23:30:40 +0100 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2010-01-12 23:30:40 +0100 |
| commit | 02c631e6eec5439daea46f8cbdb1572b0df3c843 (patch) | |
| tree | bdc82731cdc493dfe35c13f39f985199c8bd5ba3 /doc/README.mpc8315erdb | |
| parent | 8b0ab304943b07d13a29db6d3d2ca3edad32cdcb (diff) | |
| parent | a3f5da1bee9a8c343a411080d7d468bdc78794a4 (diff) | |
| download | u-boot-imx-02c631e6eec5439daea46f8cbdb1572b0df3c843.zip u-boot-imx-02c631e6eec5439daea46f8cbdb1572b0df3c843.tar.gz u-boot-imx-02c631e6eec5439daea46f8cbdb1572b0df3c843.tar.bz2 | |
Merge branch 'master' of git://git.denx.de/u-boot-mpc83xx
Diffstat (limited to 'doc/README.mpc8315erdb')
| -rw-r--r-- | doc/README.mpc8315erdb | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/doc/README.mpc8315erdb b/doc/README.mpc8315erdb index 7d476d0..b32132d 100644 --- a/doc/README.mpc8315erdb +++ b/doc/README.mpc8315erdb @@ -15,6 +15,18 @@ Freescale MPC8315ERDB Board 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: @@ -26,6 +38,9 @@ Freescale MPC8315ERDB Board 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: @@ -43,13 +58,15 @@ Freescale MPC8315ERDB Board export CROSS_COMPILE=your-cross-compiler-prefix- make distclean - make MPC8315ERDB_config + 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 @@ -60,6 +77,15 @@ Freescale MPC8315ERDB Board You have to supply the correct byte count with 'xxxx' from the TFTP result log. + NAND flash: + + =>tftpboot $loadaddr <filename> + =>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 @@ -76,5 +102,4 @@ Freescale MPC8315ERDB Board 6 Notes - Booting from NAND flash is not yet supported. The console baudrate for MPC8315ERDB is 115200bps. |