From cdba52aaa9f505f55d13bf58be8e24951ce54965 Mon Sep 17 00:00:00 2001 From: Wenbin Mei Date: Fri, 30 Oct 2020 09:57:54 +0800 Subject: mb/google/asurada: Configure pins mode for SD Configure the pins for SD to msdc1 mode and change the driving value to 8mA. Enable VCC and VCCQ power supply for SD. Signed-off-by: Wenbin Mei Change-Id: I11151c659b251db987f797a6ae4a08a07971144b Reviewed-on: https://review.coreboot.org/c/coreboot/+/47008 Tested-by: build bot (Jenkins) Reviewed-by: Yu-Ping Wu --- src/mainboard/google/asurada/mainboard.c | 25 +++++++++++++++++++++++-- 1 file changed, 23 insertions(+), 2 deletions(-) (limited to 'src/mainboard/google/asurada') diff --git a/src/mainboard/google/asurada/mainboard.c b/src/mainboard/google/asurada/mainboard.c index 8699ede772..e00eb2fde4 100644 --- a/src/mainboard/google/asurada/mainboard.c +++ b/src/mainboard/google/asurada/mainboard.c @@ -5,6 +5,7 @@ #include #include #include +#include #include #include "gpio.h" @@ -14,7 +15,15 @@ #define MSDC0_DRV_MASK 0x3fffffff #define MSDC1_DRV_MASK 0x3ffff000 #define MSDC0_DRV_VALUE 0x24924924 -#define MSDC1_DRV_VALUE 0x24924000 +#define MSDC1_DRV_VALUE 0x1b6db000 + +#define MSDC1_GPIO_MODE0_BASE 0x10005360 +#define MSDC1_GPIO_MODE0_MASK 0x77777000 +#define MSDC1_GPIO_MODE0_VALUE 0x11111000 + +#define MSDC1_GPIO_MODE1_BASE 0x10005370 +#define MSDC1_GPIO_MODE1_MASK 0x7 +#define MSDC1_GPIO_MODE1_VALUE 0x1 static void register_reset_to_bl31(void) { @@ -57,6 +66,9 @@ static void configure_emmc(void) static void configure_sdcard(void) { void *gpio_base = (void *)IOCFG_RM_BASE; + void *gpio_mode0_base = (void *)MSDC1_GPIO_MODE0_BASE; + void *gpio_mode1_base = (void *)MSDC1_GPIO_MODE1_BASE; + uint8_t enable = 1; int i; const gpio_t sdcard_pu_pin[] = { @@ -75,8 +87,17 @@ static void configure_sdcard(void) 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 */ + /* set sdcard cmd/dat/clk pins driving to 8mA */ clrsetbits32(gpio_base, MSDC1_DRV_MASK, MSDC1_DRV_VALUE); + + /* set sdcard dat2/dat0/dat3/cmd/clk pins to msdc1 mode */ + clrsetbits32(gpio_mode0_base, MSDC1_GPIO_MODE0_MASK, MSDC1_GPIO_MODE0_VALUE); + + /* set sdcard dat1 pin to msdc1 mode */ + clrsetbits32(gpio_mode1_base, MSDC1_GPIO_MODE1_MASK, MSDC1_GPIO_MODE1_VALUE); + + mainboard_enable_regulator(MTK_REGULATOR_VCC, enable); + mainboard_enable_regulator(MTK_REGULATOR_VCCQ, enable); } static void mainboard_init(struct device *dev) -- cgit v1.2.3