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authorCarl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>2008-01-04 16:22:09 +0000
committerCarl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>2008-01-04 16:22:09 +0000
commitb5f9bd6ac974003df255358ef89d8bcb2b496789 (patch)
tree1f7130fa75659fbf10a6f84e35a3635a6b4dd8ca
parent717f66d1ebc4e6ae6e590ec081ae7a8ba698b37f (diff)
downloadcoreboot-b5f9bd6ac974003df255358ef89d8bcb2b496789.tar.xz
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@gmx.net> Acked-by: Ronald G. Minnich <rminnich@gmail.com> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3032 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
-rw-r--r--util/flashrom/flash.h5
-rw-r--r--util/flashrom/flashchips.c8
-rw-r--r--util/flashrom/spi.c9
3 files changed, 19 insertions, 3 deletions
diff --git a/util/flashrom/flash.h b/util/flashrom/flash.h
index e1e5934692..4b571625ff 100644
--- a/util/flashrom/flash.h
+++ b/util/flashrom/flash.h
@@ -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/util/flashrom/flashchips.c b/util/flashrom/flashchips.c
index 53deb499f9..0430ca7da6 100644
--- a/util/flashrom/flashchips.c
+++ b/util/flashrom/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,}
};
diff --git a/util/flashrom/spi.c b/util/flashrom/spi.c
index 5f9290a536..1040b01e06 100644
--- a/util/flashrom/spi.c
+++ b/util/flashrom/spi.c
@@ -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;