| /* SPDX-License-Identifier: GPL-2.0-only OR MIT */ |
| |
| /* |
| * This file is created based on MT8188 Functional Specification |
| * Chapter number: 5.9 |
| */ |
| |
| #include <device/mmio.h> |
| #include <soc/addressmap.h> |
| #include <soc/gpio.h> |
| #include <soc/regulator.h> |
| #include <soc/msdc.h> |
| #include <soc/mt6359p.h> |
| |
| DEFINE_BITFIELD(MSDC0_DRV_0, 29, 18) |
| DEFINE_BITFIELD(MSDC0_DRV_1, 17, 0) |
| DEFINE_BITFIELD(MSDC1_DRV, 26, 9) |
| DEFINE_BITFIELD(MSDC1_GPIO_MODE0_0, 30, 28) |
| DEFINE_BITFIELD(MSDC1_GPIO_MODE0_1, 26, 24) |
| DEFINE_BITFIELD(MSDC1_GPIO_MODE0_2, 22, 20) |
| DEFINE_BITFIELD(MSDC1_GPIO_MODE0_3, 18, 16) |
| DEFINE_BITFIELD(MSDC1_GPIO_MODE0_4, 14, 12) |
| DEFINE_BITFIELD(MSDC1_GPIO_MODE1_0, 2, 0) |
| |
| #define MSDC0_DRV_OFFSET_0 0x0 |
| #define MSDC0_DRV_OFFSET_1 0x10 |
| #define MSDC1_DRV_OFFSET_0 0x0 |
| |
| #define MSDC0_DRV_VALUE_0 0x6db |
| #define MSDC0_DRV_VALUE_1 0x1b6db |
| #define MSDC1_DRV_VALUE_0 0x1b6db |
| #define MSDC1_GPIO_MODE0_VALUE 0x1 |
| #define MSDC1_GPIO_MODE1_VALUE 0x1 |
| |
| enum { |
| MSDC1_GPIO_MODE0_BASE = 0x10005440, |
| MSDC1_GPIO_MODE1_BASE = 0x10005450, |
| }; |
| |
| void mtk_msdc_configure_emmc(bool is_early_init) |
| { |
| void *gpio_base = (void *)IOCFG_LT_BASE; |
| unsigned int i; |
| |
| const gpio_t emmc_pu_pin[] = { |
| GPIO(EMMC_DAT0), GPIO(EMMC_DAT1), |
| GPIO(EMMC_DAT2), GPIO(EMMC_DAT3), |
| GPIO(EMMC_DAT4), GPIO(EMMC_DAT5), |
| GPIO(EMMC_DAT6), GPIO(EMMC_DAT7), |
| GPIO(EMMC_CMD), GPIO(EMMC_RSTB), |
| }; |
| |
| const gpio_t emmc_pd_pin[] = { |
| GPIO(EMMC_DSL), GPIO(EMMC_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 pins driving to 8mA */ |
| SET32_BITFIELDS(gpio_base + MSDC0_DRV_OFFSET_0, MSDC0_DRV_0, MSDC0_DRV_VALUE_0); |
| SET32_BITFIELDS(gpio_base + MSDC0_DRV_OFFSET_1, MSDC0_DRV_1, MSDC0_DRV_VALUE_1); |
| |
| 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_RT_BASE; |
| void *gpio_mode0_base = (void *)MSDC1_GPIO_MODE0_BASE; |
| void *gpio_mode1_base = (void *)MSDC1_GPIO_MODE1_BASE; |
| unsigned 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 SD card cmd/dat/clk pins driving to 8mA */ |
| SET32_BITFIELDS(gpio_base + MSDC1_DRV_OFFSET_0, MSDC1_DRV, MSDC1_DRV_VALUE_0); |
| |
| /* set SD card dat2/dat1/dat0/cmd/clk pins to msdc1 mode */ |
| SET32_BITFIELDS(gpio_mode0_base, |
| MSDC1_GPIO_MODE0_0, MSDC1_GPIO_MODE0_VALUE, |
| MSDC1_GPIO_MODE0_1, MSDC1_GPIO_MODE0_VALUE, |
| MSDC1_GPIO_MODE0_2, MSDC1_GPIO_MODE0_VALUE, |
| MSDC1_GPIO_MODE0_3, MSDC1_GPIO_MODE0_VALUE, |
| MSDC1_GPIO_MODE0_4, MSDC1_GPIO_MODE0_VALUE); |
| |
| /* set SD card dat3 pin to msdc1 mode */ |
| SET32_BITFIELDS(gpio_mode1_base, |
| MSDC1_GPIO_MODE1_0, MSDC1_GPIO_MODE1_VALUE); |
| |
| /* enable SD card power */ |
| mt6359p_init(); |
| mainboard_enable_regulator(MTK_REGULATOR_VMCH, true); |
| mainboard_enable_regulator(MTK_REGULATOR_VMC, true); |
| mainboard_set_regulator_voltage(MTK_REGULATOR_VMCH, 3000000); |
| mainboard_set_regulator_voltage(MTK_REGULATOR_VMC, 3000000); |
| } |