[coreboot-gerrit] Change in ...coreboot[master]: mediatek/mt8183: Add SPI GPIO driving setting

[Mengqi Zhang (Code Review)]

Mengqi Zhang has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/32460

Change subject: mediatek/mt8183: Add SPI GPIO driving setting
......................................................................

mediatek/mt8183: Add SPI GPIO driving setting

Set SPI GPIO driving to support SPI FLASH.

BUG=b:80501386
BRANCH=none
TEST=emerge-kukui coreboot; emerge-elm coreboot

Change-Id: I95002ec71abd751c33c089185db04ed4a8686699
Signed-off-by: Mengqi Zhang 
---
M src/soc/mediatek/mt8183/gpio.c
M src/soc/mediatek/mt8183/include/soc/gpio.h
M src/soc/mediatek/mt8183/mt8183.c
3 files changed, 15 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/60/32460/1

diff --git a/src/soc/mediatek/mt8183/gpio.c b/src/soc/mediatek/mt8183/gpio.c
index 327d389..2bff3d0 100644
--- a/src/soc/mediatek/mt8183/gpio.c
+++ b/src/soc/mediatek/mt8183/gpio.c
@@ -20,6 +20,7 @@
    EN_OFFSET = 0x60,
    SEL_OFFSET = 0x80,
    EH_RSEL_OFFSET = 0xF0,
+	SPI_GPIO_DRV_OFFSET = 0xA0,
 };

static void gpio_set_pull_pupd(gpio_t gpio, enum pull_enable enable,
@@ -128,3 +129,14 @@
    	I2C_EH_RSL_MASK(SCL5) | I2C_EH_RSL_MASK(SDA5),
    	I2C_EH_RSL_VAL(SCL5) | I2C_EH_RSL_VAL(SDA5));
 }
+
+enum {
+	SPI_GPIO_DRV_MASK = 0xf,
+};
+
+void gpio_set_spi_driving(void)
+{
+	clrsetbits_le32((void *)IOCFG_LM_BASE + SPI_GPIO_DRV_OFFSET,
+			SPI_GPIO_DRV_MASK, 0x4);
+}
+
diff --git a/src/soc/mediatek/mt8183/include/soc/gpio.h b/src/soc/mediatek/mt8183/include/soc/gpio.h
index 5a98953..e446853 100644
--- a/src/soc/mediatek/mt8183/include/soc/gpio.h
+++ b/src/soc/mediatek/mt8183/include/soc/gpio.h
@@ -617,5 +617,6 @@

static struct gpio_regs *const mtk_gpio = (void *)(GPIO_BASE);
 void gpio_set_i2c_eh_rsel(void);
+void gpio_set_spi_driving(void);

#endif
diff --git a/src/soc/mediatek/mt8183/mt8183.c b/src/soc/mediatek/mt8183/mt8183.c
index c441980..7ceeb90 100644
--- a/src/soc/mediatek/mt8183/mt8183.c
+++ b/src/soc/mediatek/mt8183/mt8183.c
@@ -15,8 +15,10 @@

#include <soc/mt8183.h>
 #include <soc/wdt.h>
+#include <soc/gpio.h>

void mt8183_early_init(void)
 {
    mtk_wdt_init();
+	gpio_set_spi_driving();
 }