Flashrom support for some Numonyx parts (M25PE)
Using block erase d8 as discussed with Peter Stuge
Corresponding to flashrom svn r333 and coreboot v2 svn r3707.
Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>
diff --git a/flash.h b/flash.h
index bce4844..0812331 100644
--- a/flash.h
+++ b/flash.h
@@ -424,6 +424,7 @@
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();
diff --git a/flashchips.c b/flashchips.c
index 3043caf..1115342 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -59,6 +59,11 @@
{"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},
diff --git a/spi.c b/spi.c
index 0028b4c..83624fa 100644
--- a/spi.c
+++ b/spi.c
@@ -310,6 +310,29 @@
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)
{