[coreboot-gerrit] Change in coreboot[master]: TEST-ONLY: vendorcode/mediatek/mt8192: force use 0.6875mV(SHU1) for 3...

[Xi Chen (Code Review)]

Attention is currently required from: Xixi Chen.
Hello Xixi Chen,

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

https://review.coreboot.org/c/coreboot/+/52966

to review the following change.

Change subject: TEST-ONLY: vendorcode/mediatek/mt8192: force use 0.6875mV(SHU1) for 3200Mbps
......................................................................

TEST-ONLY: vendorcode/mediatek/mt8192: force use 0.6875mV(SHU1) for 3200Mbps

Signed-off-by: Xi Chen 
Change-Id: I50d20f66b03506817ba1ab7a55e2f1a516ad5559
---
M src/vendorcode/mediatek/mt8192/dramc/dramc_pi_main.c
1 file changed, 3 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/66/52966/1

diff --git a/src/vendorcode/mediatek/mt8192/dramc/dramc_pi_main.c b/src/vendorcode/mediatek/mt8192/dramc/dramc_pi_main.c
index c228c2c..24d4335 100644
--- a/src/vendorcode/mediatek/mt8192/dramc/dramc_pi_main.c
+++ b/src/vendorcode/mediatek/mt8192/dramc/dramc_pi_main.c
@@ -1653,6 +1653,9 @@
    		final_shu = SRAM_SHU0;	//DDR4266
 #endif

+            // force to SHU1 to use 0.687mV
+            final_shu = SRAM_SHU1;
+
    		vSetDFSFreqSelByTable(p, get_FreqTbl_by_shuffleIndex(p, final_shu));
    		DramcDFSDirectJump_SRAMShuRGMode(p, SRAM_SHU1);
    		DramcDFSDirectJump_SRAMShuRGMode(p, final_shu);