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Diffstat (limited to 'board/cmi/README')
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diff --git a/board/cmi/README b/board/cmi/README deleted file mode 100644 index 0edd50a..0000000 --- a/board/cmi/README +++ /dev/null @@ -1,84 +0,0 @@ - -Summary: -======== - -This file contains information about the cmi board configuration. -Please see cmi_mpc5xx_config for further details. The cmi board is -a customer specific board but should work with small modifications -on every board which has a MPC5xx and either a 28F128J3A, -28F320J3A or 28F640J3A Intel flash mounted. - -Board Discription: -================== - -* Motorola MPC555 -* RS232 connection -* Intel flash 28F640J3A -* Micron SRAM 1M -* Altera PLD - -Bootstrap: -========== - -In contrast to the usual boot sequence used in U-Boot, on the -cmi board we don't boot from the external flash directly. -Because of we use a 16-bit flash and don't sample a RCW -from the data bus to set the startup buswidth to 16-bit. -Unfortunatly the default width, sampled from the default RCW -is 32-bit. For this reason we burn the proper RCW into the -internal flash shadow location and boot after power-on or -reset from the internal flash and then branch to 0x02000100 -where the U-Boot reset vector handler is located. - -Memory Map: -=========== - -Memory Map after relocation: - - 0x0000 0000 CONFIG_SYS_SDRAM_BASE - : - 0x000F 9FFF - : - : - 0x0100 0000 CONFIG_SYS_IMMR (Internal memory map base adress) - : - 0x0130 7FFF - : - : - 0x0200 0000 CONFIG_SYS_FLASH_BASE - : - 0x027C FFFF - : - : - 0x0300 0000 PLD_BASE - -Flash Partition: - - 0x0200 0000 Block 0 and 1 contain U-Boot except - : environment - : - 0x0201 FFFF - 0x0202 0000 Block 2 contains environment (.ppcenv) - : - 0x0202 FFFF - -See README file for futher information about U-Boot relocation -and partitioning. - -Tested Features: -================ - -* U-Boot commands: go, loads, loadb, all memory features, printenv, - setenv, saveenv, protect, erase, fli, bdi, mtest, reset, version, - coninfo, help (see configuration file for available commands) - -* Blinking led to indicate boot process - -Added or Changed Files: -======================= - -u-boot-0.2.0/board/cmi/* -u-boot-0.2.0/include/configs/cmi_mpc5xx.h - -Regards, -Martin |