soc/amd/genoa: Hook up MCA code

This patch uses AMD SoC common code for MCA and adds MCA bank
information as per Genoa Processor Programming Reference (PPR)
version 0.25 (#55901) and uses AMD SoC common code.

Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Change-Id: If728d803d600f7e86507cd1b35b40022bf4d379e
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76524
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

1 files changed, 59 insertions, 0 deletions

diff --git a/src/soc/amd/genoa/mca.c b/src/soc/amd/genoa/mca.c
new file mode 100644
index 0000000000..9a6df2b53e
--- /dev/null
+++ b/src/soc/amd/genoa/mca.c
@@ -0,0 +1,59 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <amdblocks/mca.h>
+#include <cpu/x86/msr.h>
+#include <types.h>
+
+/* TODO: Check if non-core MCA banks are same for all cores */
+static const char *const mca_bank_name[] = {
+	[0]  = "Load-store unit",
+	[1]  = "Instruction fetch unit",
+	[2]  = "L2 cache unit",
+	[3]  = "Decode unit",
+	[4]  = "",
+	[5]  = "Execution unit",
+	[6]  = "Floating point unit",
+	[7]  = "L3 cache unit",
+	[8]  = "L3 cache unit",
+	[9]  = "L3 cache unit",
+	[10] = "L3 cache unit",
+	[11] = "L3 cache unit",
+	[12] = "L3 cache unit",
+	[13] = "L3 cache unit",
+	[14] = "L3 cache unit",
+	[15] = "Microprocessor5 Management Controller",
+	[16] = "Parameter Block",
+	[17] = "GMI Controller",
+	[18] = "GMI Controller",
+	[19] = "High Speed Interface Unit (GMI)",
+	[20] = "High Speed Interface Unit (GMI)",
+	[21] = "Unified Memory Controller",
+	[22] = "Unified Memory Controller",
+	[23] = "Coherent Station",
+	[24] = "Coherent Station",
+	[25] = "Northbridge IO Unit",
+	[26] = "PCIe Root Port",
+	[27] = "PCIe Root Port",
+	[28] = "Power Management, Interrupts, Etc.",
+	[29] = "SMU",
+	[30] = "XGMI Controller",
+	[31] = "High Speed Interface Unit (XGMI)",
+};
+
+bool mca_has_expected_bank_count(void)
+{
+	return ARRAY_SIZE(mca_bank_name) == mca_get_bank_count();
+}
+
+bool mca_is_valid_bank(unsigned int bank)
+{
+	return (bank < ARRAY_SIZE(mca_bank_name) && mca_bank_name[bank] != NULL);
+}
+
+const char *mca_get_bank_name(unsigned int bank)
+{
+	if (mca_is_valid_bank(bank))
+		return mca_bank_name[bank];
+	else
+		return "";
+}