[S] Change in coreboot[main]: soc/mediatek/mt8196: Add mt6363_read8 API

[Jarried Lin (Code Review)]

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

Hello Hope Wang,

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

https://review.coreboot.org/c/coreboot/+/85892?usp=email

to review the following change.

Change subject: soc/mediatek/mt8196: Add mt6363_read8 API
......................................................................

soc/mediatek/mt8196: Add mt6363_read8 API

Add mt6363_read8 API for common use.

Change-Id: I3cca4c2e5f6c2537c9661623260b21fb6088eff9
Signed-off-by: Hope Wang 
---
M src/soc/mediatek/common/include/soc/mt6363.h
M src/soc/mediatek/common/mt6363.c
2 files changed, 11 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/92/85892/1

diff --git a/src/soc/mediatek/common/include/soc/mt6363.h b/src/soc/mediatek/common/include/soc/mt6363.h
index 19b23d4..7b2ac3a 100644
--- a/src/soc/mediatek/common/include/soc/mt6363.h
+++ b/src/soc/mediatek/common/include/soc/mt6363.h
@@ -109,6 +109,7 @@
 void mt6363_enable_vram_mdfe(bool enable);
 void mt6363_init_pmif_arb(void);
 u32 mt6363_read16(u32 reg);
+u8 mt6363_read8(u32 reg);
 void mt6363_write8(u32 reg, u8 reg_val);
 void mt6363_write_field(u32 reg, u32 val, u32 mask, u32 shift);
 void mt6363_init_setting(void);
diff --git a/src/soc/mediatek/common/mt6363.c b/src/soc/mediatek/common/mt6363.c
index 691282b..ddfe6a5 100644
--- a/src/soc/mediatek/common/mt6363.c
+++ b/src/soc/mediatek/common/mt6363.c
@@ -34,6 +34,16 @@
    return rdata;
 }

+u8 mt6363_read8(u32 reg)
+{
+	u32 rdata = 0;
+
+	assert(pmif_arb);
+	pmif_arb->read(pmif_arb, SPMI_SLAVE_4, reg, &rdata);
+
+	return (u8)rdata;
+}
+
 void mt6363_write8(u32 reg, u8 data)
 {
    assert(pmif_arb);