[coreboot-gerrit] Change in coreboot[master]: vc/mediatek/mt8195: Improve DRAM driver

[Rex-BC Chen (Code Review)]

Attention is currently required from: Ryan Chuang.
Hello Ryan Chuang,

I'd like you to do a code review. Please visit

https://review.coreboot.org/c/coreboot/+/56106

to review the following change.

Change subject: vc/mediatek/mt8195: Improve DRAM driver
......................................................................

vc/mediatek/mt8195: Improve DRAM driver

Enable DRAM Vcore DVFS settings.

Signed-off-by: Ryan Chuang 
Change-Id: I39342aea902a87cdc2c5b862e5d1a889fcc822c5
---
M src/vendorcode/mediatek/mt8195/dramc/dramc_pi_main.c
M src/vendorcode/mediatek/mt8195/dramc/dramc_top.c
2 files changed, 3 insertions(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/06/56106/1

diff --git a/src/vendorcode/mediatek/mt8195/dramc/dramc_pi_main.c b/src/vendorcode/mediatek/mt8195/dramc/dramc_pi_main.c
index b761473..b5de592 100644
--- a/src/vendorcode/mediatek/mt8195/dramc/dramc_pi_main.c
+++ b/src/vendorcode/mediatek/mt8195/dramc/dramc_pi_main.c
@@ -272,7 +272,6 @@

#ifndef DDR_INIT_TIME_PROFILING
     print("Read voltage for %d, %d\n", p->frequency, vGet_Current_SRAMIdx(p));
-    print("Vio18 = %d\n", dramc_get_vio18_voltage());
     print("Vcore = %d\n", dramc_get_vcore_voltage());
     print("Vdram = %d\n", dramc_get_vmdd_voltage(p->dram_type));
     print("Vddq = %d\n", dramc_get_vmddq_voltage(p->dram_type));
diff --git a/src/vendorcode/mediatek/mt8195/dramc/dramc_top.c b/src/vendorcode/mediatek/mt8195/dramc/dramc_top.c
index 1595073..87a6040 100644
--- a/src/vendorcode/mediatek/mt8195/dramc/dramc_top.c
+++ b/src/vendorcode/mediatek/mt8195/dramc/dramc_top.c
@@ -352,6 +352,9 @@
 {
 #ifdef MTK_PMIC_MT6359
    return mtk_regulator_set_voltage(&reg_vcore, vcore, MAX_VCORE);
+#elif CONFIG(CHROMEOS)
+	dramc_debug("%s set vcore to %d\n", __func__, vcore);
+	mainboard_set_regulator_vol(MTK_REGULATOR_VCORE, vcore);
 #endif
    return 0;
 }