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Add support for ST M25P80 chips

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Detection was tested. Print status register before erase to help
debugging block locks.

Corresponding to flashrom svn r164 and coreboot v2 svn r3008.

Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Corey Osgood <corey.osgood@gmail.com>
This commit is contained in:
Carl-Daniel Hailfinger
2007-12-16 21:15:27 +00:00
parent 4bcf175190
commit f5df46f6c6
3 changed files with 11 additions and 0 deletions
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4
spi.c
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@ -280,7 +280,11 @@ uint8_t generic_spi_read_status_register()
int generic_spi_chip_erase(struct flashchip *flash)
{
const unsigned char cmd[] = JEDEC_CE_2;
uint8_t statusreg;
statusreg = generic_spi_read_status_register();
printf("chip status register before erase is %02x\n", statusreg);
generic_spi_write_enable();
/* Send CE (Chip Erase) */
generic_spi_command(JEDEC_CE_2_OUTSIZE, JEDEC_CE_2_INSIZE, cmd, NULL);