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authorMatthias Fuchs <matthias.fuchs@esd-electronics.com>2008-04-18 16:29:40 +0200
committerStefan Roese <sr@denx.de>2008-04-25 15:52:14 +0200
commitc63ad6325a8ac0097a54b418a3288926b0484b18 (patch)
treee1559e0c2898ea63e519193000b643f427a2d2e8 /common/cmd_autoscript.c
parentd0d91ae3acb4f29d1a2a3a766747478ed54e2848 (diff)
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cfi-flash: Add CFG_FLASH_AUTOPROTECT_LIST
This patch adds a configurable flash auto protection list that can be used to make U-Boot protect flash regions in flash_init(). The idea has been discussed on the u-boot mailing list starting on Nov 18th, 2007. Even this patch brings a new feature it is used as a bugfix for 4xx platforms where flash_init() does not completely protect the monitor's flash range in all situations. U-Boot protects the flash range from CFG_MONITOR_BASE to (CFG_MONITOR_BASE + monitor_flash_len - 1) by default. This does not include the reset vector at 0xfffffffc. Example: #define CFG_FLASH_AUTOPROTECT_LIST {{0xfff80000, 0x80000}} This config option will auto protect the last 512k of flash that contains the bootloader on board like APC405 and PMC405. Signed-off-by: Matthias Fuchs <matthias.fuchs@esd-electronics.com>
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