| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <device/mmio.h> |
| #include <soc/addressmap.h> |
| #include <soc/gpio.h> |
| #include <soc/regulator.h> |
| #include <soc/msdc.h> |
| |
| #define MSDC0_BASE 0x11f60000 |
| #define MSDC0_TOP_BASE 0x11f50000 |
| |
| #define MSDC0_DRV_MASK 0x3fffffff |
| #define MSDC1_DRV_MASK 0x3ffff000 |
| #define MSDC0_DRV_VALUE 0x24924924 |
| #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 |
| |
| void mtk_msdc_configure_emmc(bool is_early_init) |
| { |
| 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); |
| |
| if (is_early_init) |
| mtk_emmc_early_init((void *)MSDC0_BASE, (void *)MSDC0_TOP_BASE); |
| } |
| |
| void mtk_msdc_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; |
| 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 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, true); |
| mainboard_enable_regulator(MTK_REGULATOR_VCCQ, true); |
| } |