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authorAngel Pons <th3fanbus@gmail.com>2021-06-13 22:33:06 +0200
committerPatrick Georgi <pgeorgi@google.com>2021-06-16 09:54:32 +0000
commit1515a48cffbb14328e0f68850f60a10332043087 (patch)
tree03460b9eefb6c93fd018a76b8b353b823f3728cd /src/cpu/intel
parent1109246cd1462dee38804a5a7092e6bf69bf14b5 (diff)
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cpu/intel/haswell: Enable MCA logging
Intel document 493770 (Haswell BIOS Writer's Guide) revision 1.8.0 recommends writing all ones to the IA32_MCi_CTL registers in order to enable all MCA error reporting. Change-Id: Ib5d2c759483026b5b4804c5a4b2b969d2269af22 Signed-off-by: Angel Pons <th3fanbus@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/55463 Reviewed-by: Arthur Heymans <arthur@aheymans.xyz> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/cpu/intel')
-rw-r--r--src/cpu/intel/haswell/haswell_init.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/cpu/intel/haswell/haswell_init.c b/src/cpu/intel/haswell/haswell_init.c
index 8ba1c937f0f4..9fcb527a167e 100644
--- a/src/cpu/intel/haswell/haswell_init.c
+++ b/src/cpu/intel/haswell/haswell_init.c
@@ -524,6 +524,12 @@ static void configure_mca(void)
msr = rdmsr(IA32_MCG_CAP);
num_banks = msr.lo & 0xff;
+
+ /* Enable all error reporting */
+ msr.lo = msr.hi = ~0;
+ for (i = 0; i < num_banks; i++)
+ wrmsr(IA32_MC0_CTL + (i * 4), msr);
+
msr.lo = msr.hi = 0;
/* TODO(adurbin): This should only be done on a cold boot. Also, some
* of these banks are core vs package scope. For now every CPU clears