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Handle (un)locking of SST FWH chips

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Add lock bit handling (printing, setting and checking) to SST FWH chips
and abort any writes to locked sectors. Verbose mode gives you all the
info. Normal mode only tells you of unlocking failed, but gives enough
details to debug.

Add a comment about flash register placement to flashrom.c.

Thanks to Uwe for testing multiple iterations of this patch.

Corresponding to flashrom svn r492.

Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>
This commit is contained in:
Carl-Daniel Hailfinger
2009-05-11 14:01:17 +00:00
parent dbfa02911f
commit d0fc9469fd
2 changed files with 62 additions and 3 deletions
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flashrom.c
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@ -65,6 +65,7 @@ const struct programmer_entry programmer_table[] = {
void map_flash_registers(struct flashchip *flash)
{
size_t size = flash->total_size * 1024;
/* Flash registers live 4 MByte below the flash. */
flash->virtual_registers = physmap("flash chip registers", (0xFFFFFFFF - 0x400000 - size + 1), size);
}