mb/google/asurada: Configure pinctrl for SD and MMC

The pins for SD and MMC must be configured properly
so we can access them in payloads.

Signed-off-by: Wenbin Mei <wenbin.mei@mediatek.com>
Change-Id: Ie6bdffb987d5acf286645550f1c53f294f71c38a
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46685
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>

1 files changed, 61 insertions, 0 deletions

diff --git a/src/mainboard/google/asurada/mainboard.c b/src/mainboard/google/asurada/mainboard.c
index 9146d7bc1d..7a37df5764 100644
--- a/src/mainboard/google/asurada/mainboard.c
+++ b/src/mainboard/google/asurada/mainboard.c
@@ -2,10 +2,71 @@
 
 #include <console/console.h>
 #include <device/device.h>
+#include <device/mmio.h>
+#include <soc/gpio.h>
 #include <soc/usb.h>
 
+#define MSDC0_DRV_MASK	0x3fffffff
+#define MSDC1_DRV_MASK	0x3ffff000
+#define MSDC0_DRV_VALUE	0x24924924
+#define MSDC1_DRV_VALUE	0x24924000
+
+static void configure_emmc(void)
+{
+	void *gpio_base = (void *)IOCFG_TL_BASE;
+	int i;
+
+	const gpio_t emmc_pu_pin[] = {
+		GPIO(MSDC0_DAT0), GPIO(MSDC0_DAT1),
+		GPIO(MSDC0_DAT2), GPIO(MSDC0_DAT3),
+		GPIO(MSDC0_DAT4), GPIO(MSDC0_DAT5),
+		GPIO(MSDC0_DAT6), GPIO(MSDC0_DAT7),
+		GPIO(MSDC0_CMD), GPIO(MSDC0_RSTB),
+	};
+
+	const gpio_t emmc_pd_pin[] = {
+		GPIO(MSDC0_DSL), GPIO(MSDC0_CLK),
+	};
+
+	for (i = 0; i < ARRAY_SIZE(emmc_pu_pin); i++)
+		gpio_set_pull(emmc_pu_pin[i], GPIO_PULL_ENABLE, GPIO_PULL_UP);
+
+	for (i = 0; i < ARRAY_SIZE(emmc_pd_pin); i++)
+		gpio_set_pull(emmc_pd_pin[i], GPIO_PULL_ENABLE, GPIO_PULL_DOWN);
+
+	/* set eMMC cmd/dat/clk/ds/rstb pins driving to 10mA */
+	clrsetbits32(gpio_base, MSDC0_DRV_MASK, MSDC0_DRV_VALUE);
+}
+
+static void configure_sdcard(void)
+{
+	void *gpio_base = (void *)IOCFG_RM_BASE;
+	int i;
+
+	const gpio_t sdcard_pu_pin[] = {
+		GPIO(MSDC1_DAT0), GPIO(MSDC1_DAT1),
+		GPIO(MSDC1_DAT2), GPIO(MSDC1_DAT3),
+		GPIO(MSDC1_CMD),
+	};
+
+	const gpio_t sdcard_pd_pin[] = {
+		GPIO(MSDC1_CLK),
+	};
+
+	for (i = 0; i < ARRAY_SIZE(sdcard_pu_pin); i++)
+		gpio_set_pull(sdcard_pu_pin[i], GPIO_PULL_ENABLE, GPIO_PULL_UP);
+
+	for (i = 0; i < ARRAY_SIZE(sdcard_pd_pin); i++)
+		gpio_set_pull(sdcard_pd_pin[i], GPIO_PULL_ENABLE, GPIO_PULL_DOWN);
+
+	/* set sdcard cmd/dat/clk pins driving to 10mA */
+	clrsetbits32(gpio_base, MSDC1_DRV_MASK, MSDC1_DRV_VALUE);
+}
+
 static void mainboard_init(struct device *dev)
 {
+	configure_emmc();
+	configure_sdcard();
 	setup_usb_host();
 }