diff options
| author | Kim Phillips <kim.phillips@freescale.com> | 2007-07-25 19:25:33 -0500 |
|---|---|---|
| committer | Kim Phillips <kim.phillips@freescale.com> | 2007-08-10 01:12:25 -0500 |
| commit | 1c274c4e05b6dc9b24edc8aa618b02f607ee6eed (patch) | |
| tree | f8adbc9f4f2b7f052e0bd1924ab7f2601c1c2323 /doc | |
| parent | 343d91009d55fc5b3ff8cc940597af6c6aa1d359 (diff) | |
mpc83xx: add support for the MPC8323E RDB
MPC8323E based board with 64MB fixed SDRAM, 16MB flash,
five 10/100 ethernet ports connected via an ICPlus IP175C
switch, one PCI slot, and serial. Features not supported
in this patch are SD card interface, 2 USB ports, and the
two phone ports.
Signed-off-by: Michael Barkowski <michael.barkowski@freescale.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/README.mpc8323erdb | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/doc/README.mpc8323erdb b/doc/README.mpc8323erdb new file mode 100644 index 0000000000..6f89829373 --- /dev/null +++ b/doc/README.mpc8323erdb @@ -0,0 +1,71 @@ +Freescale MPC8323ERDB Board +----------------------------------------- + +1. Memory Map + The memory map looks like this: + + 0x0000_0000 0x03ff_ffff DDR 64M + 0x8000_0000 0x8fff_ffff PCI MEM 256M + 0x9000_0000 0x9fff_ffff PCI_MMIO 256M + 0xe000_0000 0xe00f_ffff IMMR 1M + 0xd000_0000 0xd3ff_ffff PCI IO 64M + 0xfe00_0000 0xfeff_ffff NOR FLASH (CS0) 16M + +2. Compilation + + Assuming you're using BASH (or similar) as your shell: + + export CROSS_COMPILE=your-cross-compiler-prefix- + make distclean + make MPC8323ERDB_config + make + +3. Downloading and Flashing Images + +3.1 Reflash U-boot Image using U-boot + + N.b, have an alternate means of programming + the flash available if the new u-boot doesn't boot. + + First try a: + + tftpboot $loadaddr $uboot + + to make sure that the TFTP load will succeed before + an erase goes ahead and wipes out your current firmware. + Then do a: + + run tftpflash + + which is a shorter version of the manual sequence: + + tftp $loadaddr u-boot.bin + protect off fe000000 +$filesize + erase fe000000 +$filesize + cp.b $loadaddr fe000000 $filesize + + To keep your old u-boot's environment variables, do a: + + saveenv + + prior to resetting the board. + +3.2 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 + +4 Notes + + The console baudrate for MPC8323ERDB is 115200bps. |