From 4843ded47c3e72ee112a1ea79f03017f6999c1e1 Mon Sep 17 00:00:00 2001
From: Ritul Guru <ritul.bits@gmail.com>
Date: Mon, 20 Feb 2023 00:45:11 +0530
Subject: [PATCH] soc/amd/phoenix: add VBIOS ID remapping for phoenix

Phoenix2 VBIOS PCI DID is 15c8 though the VBIOS image uses a different
PCI ID i.e. 0x1205, so we need to implement map_oprom_vendev for the SoC.

Change-Id: I7eef5eb41b781f02abb9dd4098e92a8652a431f5
Signed-off-by: Ritul Guru <ritul.bits@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/73122
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-by: Fred Reitberger <reitbergerfred@gmail.com>
---
 src/soc/amd/phoenix/Makefile.inc      |  1 +
 src/soc/amd/phoenix/graphics.c        | 15 +++++++++++++++
 src/soc/amd/phoenix/include/soc/cpu.h |  3 +++
 3 files changed, 19 insertions(+)
 create mode 100644 src/soc/amd/phoenix/graphics.c

diff --git a/src/soc/amd/phoenix/Makefile.inc b/src/soc/amd/phoenix/Makefile.inc
index d5de67b21b..c1513765d3 100644
--- a/src/soc/amd/phoenix/Makefile.inc
+++ b/src/soc/amd/phoenix/Makefile.inc
@@ -36,6 +36,7 @@ ramstage-y	+= cpu.c
 ramstage-y	+= fch.c
 ramstage-y	+= fsp_s_params.c
 ramstage-y	+= gpio.c
+ramstage-y	+= graphics.c
 ramstage-y	+= i2c.c
 ramstage-y	+= mca.c
 ramstage-y	+= root_complex.c
diff --git a/src/soc/amd/phoenix/graphics.c b/src/soc/amd/phoenix/graphics.c
new file mode 100644
index 0000000000..ee07229640
--- /dev/null
+++ b/src/soc/amd/phoenix/graphics.c
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <device/pci_rom.h>
+#include <soc/cpu.h>
+#include <stdint.h>
+
+u32 map_oprom_vendev(u32 vendev)
+{
+	switch (vendev) {
+	case PHOENIX2_VBIOS_VID_DID:
+		return PHOENIX2_GPU_VID_DID;
+	}
+
+	return vendev;
+}
diff --git a/src/soc/amd/phoenix/include/soc/cpu.h b/src/soc/amd/phoenix/include/soc/cpu.h
index 19e7a95529..8afa95c557 100644
--- a/src/soc/amd/phoenix/include/soc/cpu.h
+++ b/src/soc/amd/phoenix/include/soc/cpu.h
@@ -6,4 +6,7 @@
 #define PHOENIX_A0_CPUID	CPUID_FROM_FMS(0x19, 0x74, 0)
 #define PHOENIX2_A0_CPUID	CPUID_FROM_FMS(0x19, 0x78, 0)
 
+#define PHOENIX2_VBIOS_VID_DID	0x100215c8
+#define PHOENIX2_GPU_VID_DID	0x10021205
+
 #endif /* AMD_PHOENIX_CPU_H */