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| author | Dave Liu <r63238@freescale.com> | 2008-01-11 18:48:24 +0800 |
|---|---|---|
| committer | Kim Phillips <kim.phillips@freescale.com> | 2008-01-16 12:00:49 -0600 |
| commit | 8bd522ce4afda3d4868ee8c913f5394094326be1 (patch) | |
| tree | d53b1424bb84ec78ce819215488fe05f2f15dd91 /doc | |
| parent | b05884efa614e4d8a9413158fc228e0dc02ab704 (diff) | |
| download | u-boot-imx-8bd522ce4afda3d4868ee8c913f5394094326be1.zip u-boot-imx-8bd522ce4afda3d4868ee8c913f5394094326be1.tar.gz u-boot-imx-8bd522ce4afda3d4868ee8c913f5394094326be1.tar.bz2 | |
mpc83xx: Add the support for MPC8315ERDB board
The features list:
- Boot from NOR Flash
- DDR2 266MHz hardcoded configuration
- Local bus NOR Flash R/W operation
- I2C, UART, MII and RTC
- eTSEC0/1 support
- PCI host
Signed-off-by: Dave Liu <daveliu@freescale.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/README.mpc8315erdb | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/doc/README.mpc8315erdb b/doc/README.mpc8315erdb new file mode 100644 index 0000000..c630cf8 --- /dev/null +++ b/doc/README.mpc8315erdb @@ -0,0 +1,80 @@ +Freescale MPC8315ERDB Board +----------------------------------------- + +1. Board Switches and Jumpers + + S3 is used to set CFG_RESET_SOURCE. + + To boot the image at 0xFE000000 in NOR flash, use these DIP + switche settings for S3 S4: + + +------+ +------+ + | | | **** | + | **** | | | + +------+ ON +------+ ON + 4321 4321 + (where the '*' indicates the position of the tab of the switch.) + +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 + +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 + make all + +5. Downloading and Flashing Images + +5.1 Reflash U-boot Image using U-boot + + 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. + +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 + + Booting from NAND flash is not yet supported. + The console baudrate for MPC8315ERDB is 115200bps. |