[coreboot-gerrit] Patch set updated for coreboot: 8139065 pc80/tpm: allow for cache-as-ram migration
Aaron Durbin (adurbin@google.com)
gerrit at coreboot.org
Tue May 14 02:17:07 CEST 2013
Aaron Durbin (adurbin at google.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/3233
-gerrit
commit 8139065652ecfb721838af176533eeaab0066772
Author: Aaron Durbin <adurbin at chromium.org>
Date: Fri May 10 00:40:56 2013 -0500
pc80/tpm: allow for cache-as-ram migration
As the TPM driver can be accessed in romstage after
cache-as-ram is torn down use the cache-as-ram migration
API to dynamically determine the global variable address.
Change-Id: I149d7c130bc3677ed52282095670c07a76c34439
Signed-off-by: Aaron Durbin <adurbin at chromium.org>
---
src/drivers/pc80/tpm.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/drivers/pc80/tpm.c b/src/drivers/pc80/tpm.c
index c7b5081..9a4fc09 100644
--- a/src/drivers/pc80/tpm.c
+++ b/src/drivers/pc80/tpm.c
@@ -278,7 +278,7 @@ static u32 tis_probe(void)
u16 vid, did;
int i;
- if (vendor_dev_id)
+ if (car_get_var(vendor_dev_id))
return 0; /* Already probed. */
didvid = tpm_read(0, TIS_REG_DID_VID);
@@ -287,7 +287,7 @@ static u32 tis_probe(void)
return TPM_DRIVER_ERR;
}
- vendor_dev_id = didvid;
+ car_set_var(vendor_dev_id, didvid);
vid = didvid & 0xffff;
did = (didvid >> 16) & 0xffff;
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