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soc/mediatek/mt8189: Add SD card support

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Add GPIO configuration of SD card.

BUG=b:379008996
BRANCH=none
TEST=build pass

Signed-off-by: Mengqi Zhang <mengqi.zhang@mediatek.corp-partner.google.com>
Change-Id: If34841dddeb93a8622dda8e011cd1f29ec9c541d
Reviewed-on: https://review.coreboot.org/c/coreboot/+/87863
Reviewed-by: Yidi Lin <yidilin@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
This commit is contained in:
Mengqi Zhang 2025-02-28 15:13:40 +08:00 • committed by Yidi Lin
commit f325409784
1 changed files with 28 additions and 0 deletions
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28
src/soc/mediatek/mt8189/msdc.c
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@ -9,6 +9,7 @@
#include <gpio.h>
#include <soc/addressmap.h>
#include <soc/msdc.h>
#include <soc/mt6359p.h>
#include <soc/regulator.h>
static const struct pad_func emmc_pins[] = {
@ -25,6 +26,15 @@ static const struct pad_func emmc_pins[] = {
PAD_FUNC_UP(EMMC_DAT7, MSDC0_DAT7),
};
static const struct pad_func sdcard_pins[] = {
PAD_FUNC_DOWN(MSDC1_CLK, MSDC1_CLK),
PAD_FUNC_UP(MSDC1_CMD, MSDC1_CMD),
PAD_FUNC_UP(MSDC1_DAT0, MSDC1_DAT0),
PAD_FUNC_UP(MSDC1_DAT1, MSDC1_DAT1),
PAD_FUNC_UP(MSDC1_DAT2, MSDC1_DAT2),
PAD_FUNC_UP(MSDC1_DAT3, MSDC1_DAT3),
};
void mtk_msdc_configure_emmc(bool is_early_init)
{
size_t i;
@ -38,3 +48,21 @@ void mtk_msdc_configure_emmc(bool is_early_init)
if (is_early_init)
mtk_emmc_early_init((void *)MSDC0_BASE, (void *)MSDC0_TOP_BASE);
}
void mtk_msdc_configure_sdcard(void)
{
size_t i;
for (i = 0; i < ARRAY_SIZE(sdcard_pins); i++) {
gpio_set_mode(sdcard_pins[i].gpio, sdcard_pins[i].func);
gpio_set_pull(sdcard_pins[i].gpio, GPIO_PULL_ENABLE, sdcard_pins[i].select);
gpio_set_driving(sdcard_pins[i].gpio, GPIO_DRV_8_MA);
}
mt6359p_init_pmif_arb();
/* enable SD card power */
mainboard_set_regulator_voltage(MTK_REGULATOR_VMCH, 3000000);
mainboard_set_regulator_voltage(MTK_REGULATOR_VMC, 3000000);
mainboard_enable_regulator(MTK_REGULATOR_VMCH, true);
mainboard_enable_regulator(MTK_REGULATOR_VMC, true);
}