diff options
| author | Wenbin Mei <wenbin.mei@mediatek.com> | 2020-10-30 09:57:54 +0800 |
|---|---|---|
| committer | Hung-Te Lin <hungte@chromium.org> | 2020-11-18 06:13:41 +0000 |
| commit | cdba52aaa9f505f55d13bf58be8e24951ce54965 (patch) | |
| tree | e437fa06f4d32b7ceb1dae420d77ec77a8037f2a /src | |
| parent | dfd5ccee758030350957a821a286eaad07b79eaf (diff) | |
| download | coreboot-cdba52aaa9f505f55d13bf58be8e24951ce54965.tar.xz | |
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 <wenbin.mei@mediatek.com>
Change-Id: I11151c659b251db987f797a6ae4a08a07971144b
Reviewed-on: https://review.coreboot.org/c/coreboot/+/47008
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/mainboard/google/asurada/mainboard.c | 25 |
1 files changed, 23 insertions, 2 deletions
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 <device/device.h> #include <device/mmio.h> #include <soc/gpio.h> +#include <soc/regulator.h> #include <soc/usb.h> #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) |