1 files changed, 56 insertions, 0 deletions
diff --git a/src/soc/amd/sabrina/mca.c b/src/soc/amd/sabrina/mca.c
new file mode 100644
index 0000000000..b2f5e96f8b
--- /dev/null
+++ b/src/soc/amd/sabrina/mca.c
@@ -0,0 +1,56 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/* TODO: Check if this is still correct */
+
+#include <amdblocks/mca.h>
+#include <cpu/x86/msr.h>
+#include <types.h>
+
+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] = "",
+	[16] = "",
+	[17] = "UMC",
+	[18] = "UMC",
+	[19] = "CS",
+	[20] = "CS",
+	[21] = "",
+	[22] = "",
+	[23] = "",
+	[24] = "",
+	[25] = "",
+	[26] = "",
+	[27] = "PIE",
+};
+
+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 "";
+}