diff options
| -rw-r--r-- | flash.h | 5 | ||||
| -rw-r--r-- | flashchips.c | 8 | ||||
| -rw-r--r-- | spi.c | 9 |
3 files changed, 19 insertions, 3 deletions
@@ -59,10 +59,13 @@ extern struct flashchip flashchips[]; * entry of each section should be the manufacturer ID, followed by the * list of devices from that manufacturer (sorted by device IDs). * - * All LPC/FWH parts (parallel flash) have 8-bit device IDs. + * All LPC/FWH parts (parallel flash) have 8-bit device IDs if there is no + * continuation code. * All SPI parts have 16-bit device IDs. */ +#define GENERIC_DEVICE_ID 0xffff /* Only match the vendor ID */ + #define ALLIANCE_ID 0x52 /* Alliance Semiconductor */ #define AMD_ID 0x01 /* AMD */ diff --git a/flashchips.c b/flashchips.c index 53deb499..0430ca7d 100644 --- a/flashchips.c +++ b/flashchips.c @@ -185,5 +185,13 @@ struct flashchip flashchips[] = { probe_jedec, erase_chip_jedec, write_49f002}, {"S29C31004T", SYNCMOS_ID, S29C31004T, 512, 128, probe_jedec, erase_chip_jedec, write_49f002}, + {"EON unknown SPI chip", EON_ID_NOPREFIX, GENERIC_DEVICE_ID, 0, 0, + probe_spi, NULL, NULL}, + {"MX unknown SPI chip", MX_ID, GENERIC_DEVICE_ID, 0, 0, + probe_spi, NULL, NULL}, + {"SST unknown SPI chip", SST_ID, GENERIC_DEVICE_ID, 0, 0, + probe_spi, NULL, NULL}, + {"ST unknown SPI chip", ST_ID, GENERIC_DEVICE_ID, 0, 0, + probe_spi, NULL, NULL}, {NULL,} }; @@ -262,14 +262,19 @@ int probe_spi(struct flashchip *flash) manuf_id = readarr[0]; model_id = (readarr[1] << 8) | readarr[2]; printf_debug("%s: id1 0x%x, id2 0x%x\n", __FUNCTION__, manuf_id, model_id); - if (manuf_id == flash->manufacture_id && model_id == flash->model_id) { - /* Print the status register before erase to tell the + if (manuf_id == flash->manufacture_id && + model_id == flash->model_id) { + /* Print the status register to tell the * user about possible write protection. */ generic_spi_prettyprint_status_register(flash); return 1; } + /* Test if this is a pure vendor match. */ + if (manuf_id == flash->manufacture_id && + GENERIC_DEVICE_ID == flash->model_id) + return 1; } return 0; |