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. Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net> Acked-by: Peter Stuge <peter@stuge.se> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3308 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
@@ -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);
|
||||
|
Reference in New Issue
Block a user