[XS] Change in coreboot[main]: mb/google/rauru: Disable modem power

[Yidi Lin (Code Review)]

Yidi Lin has submitted this change. ( https://review.coreboot.org/c/coreboot/+/85663?usp=email )

(

3 is the latest approved patch-set.
No files were changed between the latest approved patch-set and the submitted one.
 )Change subject: mb/google/rauru: Disable modem power
......................................................................

mb/google/rauru: Disable modem power

BUG=b:315894234
TEST=Build pass.
The actual measurement of the average power over 20 seconds decreased
from 6.755W to 6.716W.

Change-Id: I71bda7055afc902525501ddf7074f9b2c5550d4a
Signed-off-by: Xavier Chang 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/85663
Reviewed-by: Yu-Ping Wu 
Reviewed-by: Yidi Lin 
Tested-by: build bot (Jenkins) 
---
M src/mainboard/google/rauru/romstage.c
1 file changed, 2 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Yidi Lin: Looks good to me, approved
  Yu-Ping Wu: Looks good to me, approved

diff --git a/src/mainboard/google/rauru/romstage.c b/src/mainboard/google/rauru/romstage.c
index afd12c6..f4de121 100644
--- a/src/mainboard/google/rauru/romstage.c
+++ b/src/mainboard/google/rauru/romstage.c
@@ -3,6 +3,7 @@
 #include <arch/stages.h>
 #include <soc/emi.h>
 #include <soc/irq2axi.h>
+#include <soc/modem_power_ctrl.h>
 #include <soc/mt6316.h>
 #include <soc/mt6363.h>
 #include <soc/mt6373.h>
@@ -33,6 +34,7 @@
    mt6373_init();
    mt6685_init();
    mtk_dram_init();
+	modem_power_down();

if (CONFIG(PCI))
    	mtk_pcie_deassert_perst();