| /* SPDX-License-Identifier: GPL-2.0-only OR MIT */ |
| |
| #include <device/mmio.h> |
| #include <soc/addressmap.h> |
| #include <soc/gpio.h> |
| #include <soc/i2c.h> |
| #include <soc/regulator.h> |
| #include <soc/msdc.h> |
| #include <soc/mt6360.h> |
| |
| DEFINE_BITFIELD(MSDC0_DRV, 29, 0) |
| DEFINE_BITFIELD(MSDC1_DRV, 17, 0) |
| DEFINE_BITFIELD(MSDC1_GPIO_MODE0_0, 26, 24) |
| DEFINE_BITFIELD(MSDC1_GPIO_MODE0_1, 30, 28) |
| DEFINE_BITFIELD(MSDC1_GPIO_MODE1_0, 2, 0) |
| DEFINE_BITFIELD(MSDC1_GPIO_MODE1_1, 6, 4) |
| DEFINE_BITFIELD(MSDC1_GPIO_MODE1_2, 10, 8) |
| DEFINE_BITFIELD(MSDC1_GPIO_MODE1_3, 14, 12) |
| |
| #define MSDC0_BASE 0x11230000 |
| #define MSDC0_TOP_BASE 0x11f50000 |
| |
| #define MSDC0_DRV_VALUE 0x1b6db6db |
| #define MSDC1_DRV_VALUE 0x1b6db |
| #define MSDC1_GPIO_MODE0_VALUE 0x1 |
| #define MSDC1_GPIO_MODE1_VALUE 0x1 |
| |
| enum { |
| MSDC1_GPIO_MODE0_BASE = 0x100053d0, |
| MSDC1_GPIO_MODE1_BASE = 0x100053e0, |
| }; |
| |
| 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(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/ds/rstb pins driving to 8mA */ |
| SET32_BITFIELDS(gpio_base, MSDC0_DRV, 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_RB_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 */ |
| SET32_BITFIELDS(gpio_base, MSDC1_DRV, MSDC1_DRV_VALUE); |
| |
| /* set sdcard dat2/dat0/dat3/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); |
| |
| /* set sdcard dat1 pin to msdc1 mode */ |
| SET32_BITFIELDS(gpio_mode1_base, |
| MSDC1_GPIO_MODE1_0, MSDC1_GPIO_MODE1_VALUE, |
| MSDC1_GPIO_MODE1_1, MSDC1_GPIO_MODE1_VALUE, |
| MSDC1_GPIO_MODE1_2, MSDC1_GPIO_MODE1_VALUE, |
| MSDC1_GPIO_MODE1_3, MSDC1_GPIO_MODE1_VALUE); |
| |
| mtk_i2c_bus_init(I2C7, I2C_SPEED_FAST); |
| |
| if (CONFIG(BOARD_GOOGLE_CHERRY)) |
| mt6360_init(I2C7); |
| |
| mainboard_enable_regulator(MTK_REGULATOR_VCCQ, true); |
| mainboard_enable_regulator(MTK_REGULATOR_VCC, true); |
| } |