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Flashrom support for some Numonyx parts (M25PE) 

using block erase d8 as discussed with Peter Stuge

Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3707 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Stefan Reinauer 2008-10-29 22:13:20 +00:00 committed by Stefan Reinauer
parent c6bb6be6d2
commit a69d1db504
3 changed files with 29 additions and 0 deletions
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1
util/flashrom/flash.h
View File

@ -424,6 +424,7 @@ int spi_command(unsigned int writecnt, unsigned int readcnt,
void spi_write_enable();
void spi_write_disable();
int spi_chip_erase_c7(struct flashchip *flash);
int spi_chip_erase_d8(struct flashchip *flash);
int spi_chip_write(struct flashchip *flash, uint8_t *buf);
int spi_chip_read(struct flashchip *flash, uint8_t *buf);
uint8_t spi_read_status_register();

5
util/flashrom/flashchips.c
View File

@ -59,6 +59,11 @@ struct flashchip flashchips[] = {
{"Macronix", "MX25L1605", MX_ID, MX_25L1605, 2048, 256, TEST_UNTESTED, probe_spi_rdid, spi_chip_erase_c7, spi_chip_write, spi_chip_read},
{"Macronix", "MX25L3205", MX_ID, MX_25L3205, 4096, 256, TEST_OK_PREW, probe_spi_rdid, spi_chip_erase_c7, spi_chip_write, spi_chip_read},
{"Macronix", "MX29F002", MX_ID, MX_29F002, 256, 64 * 1024, TEST_UNTESTED, probe_29f002, erase_29f002, write_29f002},
{"Numonyx", "M25PE10", ST_ID, 0x8011, 128, 256, TEST_UNTESTED, probe_spi_rdid, spi_chip_erase_d8, spi_chip_write, spi_chip_read},
{"Numonyx", "M25PE20", ST_ID, 0x8012, 256, 256, TEST_UNTESTED, probe_spi_rdid, spi_chip_erase_d8, spi_chip_write, spi_chip_read},
{"Numonyx", "M25PE40", ST_ID, 0x8013, 256, 256, TEST_UNTESTED, probe_spi_rdid, spi_chip_erase_d8, spi_chip_write, spi_chip_read},
{"Numonyx", "M25PE80", ST_ID, 0x8014, 1024, 256, TEST_OK_PREW, probe_spi_rdid, spi_chip_erase_d8, spi_chip_write, spi_chip_read},
{"Numonyx", "M25PE16", ST_ID, 0x8015, 2048, 256, TEST_UNTESTED, probe_spi_rdid, spi_chip_erase_d8, spi_chip_write, spi_chip_read},
{"PMC", "Pm25LV010", PMC_ID, PMC_25LV010, 128, 256, TEST_UNTESTED, probe_spi_rdid, spi_chip_erase_c7, spi_chip_write, spi_chip_read},
{"PMC", "Pm25LV016B", PMC_ID, PMC_25LV016B, 2048, 256, TEST_UNTESTED, probe_spi_rdid, spi_chip_erase_c7, spi_chip_write, spi_chip_read},
{"PMC", "Pm25LV020", PMC_ID, PMC_25LV020, 256, 256, TEST_UNTESTED, probe_spi_rdid, spi_chip_erase_c7, spi_chip_write, spi_chip_read},

23
util/flashrom/spi.c
View File

@ -310,6 +310,29 @@ int spi_block_erase_d8(const struct flashchip *flash, unsigned long addr)
return 0;
}
int spi_chip_erase_d8(struct flashchip *flash)
{
int i, rc = 0;
int total_size = flash->total_size * 1024;
int erase_size = 64 * 1024;
spi_disable_blockprotect();
printf("Erasing chip: \n");
for (i = 0; i < total_size / erase_size; i++) {
rc = spi_block_erase_d8(flash, i * erase_size);
if (rc) {
printf("Error erasing block at 0x%x\n", i);
break;
}
}
printf("\n");
return rc;
}
/* Sector size is usually 4k, though Macronix eliteflash has 64k */
int spi_sector_erase(const struct flashchip *flash, unsigned long addr)
{