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author | Haavard Skinnemoen <hskinnemoen@atmel.com> | 2007-08-13 16:34:33 +0200 |
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committer | Haavard Skinnemoen <hskinnemoen@atmel.com> | 2007-08-13 16:34:33 +0200 |
commit | 375c2c9e57ea5b8d678475379378f4774aa9cb88 (patch) | |
tree | c8499eaec089c8fe7c9eda562131f45b4a7738c6 /doc/README.mpc8323erdb | |
parent | f0d1246ed7cb5a88522244c596d7ae7e6f161283 (diff) | |
parent | 9986bc3e40e899bea372a99a2bca4071bdf2e24b (diff) | |
download | u-boot-imx-375c2c9e57ea5b8d678475379378f4774aa9cb88.zip u-boot-imx-375c2c9e57ea5b8d678475379378f4774aa9cb88.tar.gz u-boot-imx-375c2c9e57ea5b8d678475379378f4774aa9cb88.tar.bz2 |
Merge commit 'upstream/master'
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diff --git a/doc/README.mpc8323erdb b/doc/README.mpc8323erdb new file mode 100644 index 0000000..6f89829 --- /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. |