[coreboot-gerrit] [S] Change in coreboot[master]: mb/google/dedede/var/magolor: Add FW_CONFIG probe for EXT_VR

[Eric Lai (Code Review)]

Eric Lai has submitted this change. ( https://review.coreboot.org/c/coreboot/+/73833 )

(

2 is the latest approved patch-set.
No files were changed between the latest approved patch-set and the submitted one.
 )Change subject: mb/google/dedede/var/magolor: Add FW_CONFIG probe for EXT_VR
......................................................................

mb/google/dedede/var/magolor: Add FW_CONFIG probe for EXT_VR

Add FW_CONFIG probe for absent ANPEC APW8738BQBI IC on magolor.

BUG=b:223687184
TEST=emerge-dedede coreboot chromeos-bootimage and pass suspend_test and
firmware_ConsecutiveBoot test
Change-Id: I47ad313c4a14edb687913698986df9ece6cd721d
Signed-off-by: Morris Hsu 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/73833
Reviewed-by: Eric Lai 
Tested-by: build bot (Jenkins) 
---
M src/mainboard/google/dedede/variants/magolor/Makefile.inc
A src/mainboard/google/dedede/variants/magolor/ramstage.c
2 files changed, 33 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Eric Lai: Looks good to me, approved

diff --git a/src/mainboard/google/dedede/variants/magolor/Makefile.inc b/src/mainboard/google/dedede/variants/magolor/Makefile.inc
index f2cbf8d..3151ca3 100644
--- a/src/mainboard/google/dedede/variants/magolor/Makefile.inc
+++ b/src/mainboard/google/dedede/variants/magolor/Makefile.inc
@@ -2,5 +2,6 @@

ramstage-$(CONFIG_FW_CONFIG) += variant.c
 ramstage-y += gpio.c
+ramstage-y += ramstage.c

$(call add_vbt_to_cbfs, vbt_magister.bin, magister-data.vbt)
diff --git a/src/mainboard/google/dedede/variants/magolor/ramstage.c b/src/mainboard/google/dedede/variants/magolor/ramstage.c
new file mode 100644
index 0000000..5a671b9
--- /dev/null
+++ b/src/mainboard/google/dedede/variants/magolor/ramstage.c
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+#include <baseboard/variants.h>
+#include <fw_config.h>
+#include <soc/soc_chip.h>
+static void ext_vr_update(void)
+{
+	struct soc_intel_jasperlake_config *cfg = config_of_soc();
+	if (fw_config_probe(FW_CONFIG(EXT_VR, EXT_VR_ABSENT)))
+		cfg->disable_external_bypass_vr = 1;
+}
+void variant_devtree_update(void)
+{
+	ext_vr_update();
+}