diff options
author | Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net> | 2008-05-14 12:03:06 +0000 |
---|---|---|
committer | Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net> | 2008-05-14 12:03:06 +0000 |
commit | a758f5100dd6266af29d63302e745b1a3ad89bed (patch) | |
tree | 96e3402473e7630b467b7befe97e0a03ecdc21f4 /flash.h | |
parent | 4e84dfb7849b1d1de298c4f5212348a3c96b5b2f (diff) | |
download | ast2050-flashrom-a758f5100dd6266af29d63302e745b1a3ad89bed.zip ast2050-flashrom-a758f5100dd6266af29d63302e745b1a3ad89bed.tar.gz |
Check the JEDEC vendor ID for correct parity
Flash chips which can be detected by JEDEC probe routines all have
vendor IDs with correct parity. Use a parity check as additional hint
whether a vendor ID makes sense. Note: Device IDs have no parity
requirements whatsoever.
Corresponding to flashrom svn r231 and coreboot v2 svn r3308.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Peter Stuge <peter@stuge.se>
Diffstat (limited to 'flash.h')
-rw-r--r-- | flash.h | 1 |
1 files changed, 1 insertions, 0 deletions
@@ -396,6 +396,7 @@ int it8716f_spi_chip_write(struct flashchip *flash, uint8_t *buf); void it8716f_spi_page_program(int block, uint8_t *buf, uint8_t *bios); /* jedec.c */ +uint8_t oddparity(uint8_t val); void toggle_ready_jedec(volatile uint8_t *dst); void data_polling_jedec(volatile uint8_t *dst, uint8_t data); void unprotect_jedec(volatile uint8_t *bios); |