1 files changed, 58 insertions, 0 deletions
diff --git a/src/cpu/amd/pi/00730F01/update_microcode.c b/src/cpu/amd/pi/00730F01/update_microcode.c
new file mode 100644
index 0000000000..6acf13a6ef
--- /dev/null
+++ b/src/cpu/amd/pi/00730F01/update_microcode.c
@@ -0,0 +1,58 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering
+ * Copyright (C) 2007 Advanced Micro Devices, Inc.
+ * Copyright (C) 2019 PC Engines GmbH
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <stdint.h>
+#include <cpu/amd/microcode.h>
+
+struct id_mapping {
+	uint32_t orig_id;
+	uint16_t new_id;
+};
+
+static u16 get_equivalent_processor_rev_id(u32 orig_id)
+{
+	static const struct id_mapping id_mapping_table[] = {
+		/* Family 16h */
+
+	/* TODO This equivalent processor revisions ID needs verification */
+		{ 0x730f01, 0x7301 },
+
+		/* Array terminator */
+		{ 0xffffff, 0x0000 },
+	};
+
+	u32 new_id;
+	int i;
+
+	new_id = 0;
+
+	for (i = 0; id_mapping_table[i].orig_id != 0xffffff; i++) {
+		if (id_mapping_table[i].orig_id == orig_id) {
+			new_id = id_mapping_table[i].new_id;
+			break;
+		}
+	}
+
+	return new_id;
+}
+
+void update_microcode(u32 cpu_deviceid)
+{
+	u32 equivalent_processor_rev_id =
+				get_equivalent_processor_rev_id(cpu_deviceid);
+	amd_update_microcode_from_cbfs(equivalent_processor_rev_id);
+}