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| author |   Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
|---|---|---|
| committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
| commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
| tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/board/freescale/mpc8323erdb/README | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/board/freescale/mpc8323erdb/README')
| -rw-r--r-- | roms/u-boot/board/freescale/mpc8323erdb/README | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/roms/u-boot/board/freescale/mpc8323erdb/README b/roms/u-boot/board/freescale/mpc8323erdb/README new file mode 100644 index 000000000..9a46da078 --- /dev/null +++ b/roms/u-boot/board/freescale/mpc8323erdb/README @@ -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. |