[LinuxBIOS] [PATCH] flashrom: add generic vendor ID printing for SPI chips
Carl-Daniel Hailfinger
c-d.hailfinger.devel.2006 at gmx.net
Fri Jan 4 14:24:25 CET 2008
Print at least the vendor for SPI flash chips if the exact chip ID is unknown.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006 at gmx.net>
Index: flashrom-generic/flash.h
===================================================================
--- flashrom-generic/flash.h (Revision 3031)
+++ flashrom-generic/flash.h (Arbeitskopie)
@@ -59,10 +59,13 @@
* 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 */
Index: flashrom-generic/flashchips.c
===================================================================
--- flashrom-generic/flashchips.c (Revision 3031)
+++ flashrom-generic/flashchips.c (Arbeitskopie)
@@ -185,5 +185,13 @@
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,}
};
Index: flashrom-generic/spi.c
===================================================================
--- flashrom-generic/spi.c (Revision 3031)
+++ flashrom-generic/spi.c (Arbeitskopie)
@@ -263,13 +263,16 @@
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
+ /* 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;
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