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| author | Jonathan A. Kollasch <jakllsch@kollasch.net> | 2011-11-07 10:43:05 -0600 |
|---|---|---|
| committer | Stefan Reinauer <stefan.reinauer@coreboot.org> | 2011-11-07 18:15:41 +0100 |
| commit | 522e9e9746f4d98c5e8a9b83058ca143e9347d0a (patch) | |
| tree | ccab3f4699563505939742c6d79b512fe3ea8b42 /util/superiotool/smsc.c | |
| parent | 86bb0072b6201875190c5ec78f5415cd51a9e115 (diff) | |
Avoid false detection of SMSC FDC37N972 when Infineon TPM is present
Change-Id: Ibfb3af4c5d7675a5d4e27021cbb988c2ce00fd9f
Signed-off-by: Jonathan A. Kollasch <jakllsch@kollasch.net>
Reviewed-on: http://review.coreboot.org/420
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'util/superiotool/smsc.c')
| -rw-r--r-- | util/superiotool/smsc.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/util/superiotool/smsc.c b/util/superiotool/smsc.c index 17925aee56..012ffbd7da 100644 --- a/util/superiotool/smsc.c +++ b/util/superiotool/smsc.c @@ -844,6 +844,19 @@ static void probe_idregs_smsc_helper(uint16_t port, uint8_t idreg, return; } + /* Infineon TPM causes false match of FDC37N972 */ + if (idreg == DEVICE_ID_REG && revreg == DEVICE_REV_REG && + id == 0x0b && rev == 0x00) { + /* Infineon sets config port in 0x27:0x26, but SMSC does not */ + if (((regval(port, 0x27)<<8)|regval(port, 0x26)) == port) { + if (verbose) + printf(NOTFOUND "id=0x%02x, rev=0x%02x\n", + id, rev); + exit_conf_mode_smsc(port); + return; + } + } + printf("Found %s %s (id=0x%02x, rev=0x%02x) at 0x%x\n", (id == 0x77 ? "ASUS" : "SMSC"), get_superio_name(reg_table, id), id, rev, port); |