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authorSubrata Banik <subratabanik@google.com>2022-01-07 13:40:19 +0000
committerSubrata Banik <subratabanik@google.com>2022-01-19 09:57:47 +0000
commit56ab8e2aae25efc839daeb56d5922e66d2680aec (patch)
tree2790032028d9ddba711fe08a3eaab3105d571acd /src/soc/intel/elkhartlake/include
parent6ac5dc2ca6a6b09d1b0156c2db6aa1385ccaf13e (diff)
soc/intel/common/cpu: Use SoC overrides to get CPU privilegeĀ level
This patch implements a SoC overridesĀ to check CPU privilege level as the MSR is not consistent across platforms. For example: On APL/GLK/DNV, it's MSR 0x120 and CNL onwards it's MSR 0x151. BUG=b:211573253, b:211950520 Signed-off-by: Subrata Banik <subratabanik@google.com> Change-Id: I515f0a3548bc5d6250e30f963d46f28f3c1b90b3 Reviewed-on: https://review.coreboot.org/c/coreboot/+/60900 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Diffstat (limited to 'src/soc/intel/elkhartlake/include')
-rw-r--r--src/soc/intel/elkhartlake/include/soc/msr.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/soc/intel/elkhartlake/include/soc/msr.h b/src/soc/intel/elkhartlake/include/soc/msr.h
index 954fce0a82..5bdbf92e8b 100644
--- a/src/soc/intel/elkhartlake/include/soc/msr.h
+++ b/src/soc/intel/elkhartlake/include/soc/msr.h
@@ -5,6 +5,8 @@
#include <intelblocks/msr.h>
-#define MSR_VR_MISC_CONFIG2 0x636
+#define MSR_BIOS_DONE 0x151
+#define ENABLE_IA_UNTRUSTED (1 << 0)
+#define MSR_VR_MISC_CONFIG2 0x636
#endif