summaryrefslogtreecommitdiff
path: root/src/soc/amd/common/block/cpu
diff options
context:
space:
mode:
authorFelix Held <felix-coreboot@felixheld.de>2021-07-14 00:05:39 +0200
committerFelix Held <felix-coreboot@felixheld.de>2021-07-14 23:10:46 +0000
commit1e1d490ff885206dfb30dbd7a3dfeffa818afdb6 (patch)
tree24f9036e33f77983c2089bbfc3f5c64736bf9aa4 /src/soc/amd/common/block/cpu
parentdc970fc0399b96e42671770fad6a7da5a40de461 (diff)
soc/amd: factor out check_mca to common code
Change-Id: I139d1fe41bad5213da8890c2867f275b6847e3e1 Signed-off-by: Felix Held <felix-coreboot@felixheld.de> Reviewed-on: https://review.coreboot.org/c/coreboot/+/56281 Reviewed-by: Martin Roth <martinroth@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc/amd/common/block/cpu')
-rw-r--r--src/soc/amd/common/block/cpu/Kconfig20
-rw-r--r--src/soc/amd/common/block/cpu/mca/Makefile.inc1
-rw-r--r--src/soc/amd/common/block/cpu/mca/mca_common.c12
3 files changed, 33 insertions, 0 deletions
diff --git a/src/soc/amd/common/block/cpu/Kconfig b/src/soc/amd/common/block/cpu/Kconfig
index 1437326f9d..79e011fadd 100644
--- a/src/soc/amd/common/block/cpu/Kconfig
+++ b/src/soc/amd/common/block/cpu/Kconfig
@@ -26,6 +26,26 @@ config MEMLAYOUT_LD_FILE
endif # SOC_AMD_COMMON_BLOCK_NONCAR
+config SOC_AMD_COMMON_BLOCK_MCA_COMMON
+ bool
+ help
+ Add common machine check architecture support. Do not select this
+ in the SoC's Kconfig; select either SOC_AMD_COMMON_BLOCK_MCA or
+ SOC_AMD_COMMON_BLOCK_MCAX which will select this one.
+
+config SOC_AMD_COMMON_BLOCK_MCA
+ bool
+ select SOC_AMD_COMMON_BLOCK_MCA_COMMON
+ help
+ Add IA32 machine check architecture (MCA) support for pre-Zen CPUs.
+
+config SOC_AMD_COMMON_BLOCK_MCAX
+ bool
+ select SOC_AMD_COMMON_BLOCK_MCA_COMMON
+ help
+ Add extended machine check architecture (MCAX) support for AMD family
+ 17h, 19h and possibly newer CPUs.
+
config SOC_AMD_COMMON_BLOCK_SMM
bool
help
diff --git a/src/soc/amd/common/block/cpu/mca/Makefile.inc b/src/soc/amd/common/block/cpu/mca/Makefile.inc
new file mode 100644
index 0000000000..0aa47e161c
--- /dev/null
+++ b/src/soc/amd/common/block/cpu/mca/Makefile.inc
@@ -0,0 +1 @@
+ramstage-$(CONFIG_SOC_AMD_COMMON_BLOCK_MCA_COMMON) += mca_common.c
diff --git a/src/soc/amd/common/block/cpu/mca/mca_common.c b/src/soc/amd/common/block/cpu/mca/mca_common.c
new file mode 100644
index 0000000000..0a375089f2
--- /dev/null
+++ b/src/soc/amd/common/block/cpu/mca/mca_common.c
@@ -0,0 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <amdblocks/mca.h>
+#include <cpu/x86/msr.h>
+
+void check_mca(void)
+{
+ mca_check_all_banks();
+ /* mca_clear_status uses the MCA registers which can be used in both the MCA and MCAX
+ case */
+ mca_clear_status();
+}