[XS] Change in coreboot[main]: mb/google/rauru: Enable RTC

[Jarried Lin (Code Review)]

Attention is currently required from: Hung-Te Lin, Yidi Lin, Yu-Ping Wu.

Jarried Lin has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/85979?usp=email )

Change subject: mb/google/rauru: Enable RTC
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mb/google/rauru: Enable RTC

Enable RTC so that we can see the correct timestamp and date in CromeOS.

rauru-rev0 ~ # tail /var/log/eventtlog.txt
suspend_stress_test -c 5 --suspend_max=30 --suspend_min=30

rauru-rev0 ~ # date
Thu Nov  7 14:54:09 CST 2024

TEST=Build pass, check date in CromeOS
BUG=b:355550460

Change-Id: I95822fc7646d41dbbc61258741a2a42988fc31d7
Signed-off-by: Jarried Lin 
---
M src/mainboard/google/rauru/Kconfig
M src/mainboard/google/rauru/romstage.c
2 files changed, 4 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/79/85979/1

diff --git a/src/mainboard/google/rauru/Kconfig b/src/mainboard/google/rauru/Kconfig
index 57e8c1b..4752257 100644
--- a/src/mainboard/google/rauru/Kconfig
+++ b/src/mainboard/google/rauru/Kconfig
@@ -33,6 +33,7 @@
    select TPM_GOOGLE_TI50 if VBOOT
    select COMMONLIB_STORAGE
    select COMMONLIB_STORAGE_MMC
+	select RTC

config MAINBOARD_DIR
    string
diff --git a/src/mainboard/google/rauru/romstage.c b/src/mainboard/google/rauru/romstage.c
index d82e152..f5e7c69 100644
--- a/src/mainboard/google/rauru/romstage.c
+++ b/src/mainboard/google/rauru/romstage.c
@@ -9,6 +9,7 @@
 #include <soc/mt6363.h>
 #include <soc/mt6373.h>
 #include <soc/mt6685.h>
+#include <soc/mt6685_rtc.h>
 #include <soc/mtk_pwrsel.h>
 #include <soc/pcie.h>
 #include <soc/pll.h>
@@ -37,6 +38,8 @@
    mt6685_init();
    srclken_rc_init();
    clk_buf_init();
+	if (CONFIG(RTC))
+		rtc_boot();
    mtk_dram_init();
    modem_power_down();