| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <bl31.h> |
| #include <console/console.h> |
| #include <device/device.h> |
| #include <device/mmio.h> |
| #include <soc/dpm.h> |
| #include <soc/gpio.h> |
| #include <soc/regulator.h> |
| #include <soc/spm.h> |
| #include <soc/usb.h> |
| |
| #include "gpio.h" |
| |
| #include <arm-trusted-firmware/include/export/plat/mediatek/common/plat_params_exp.h> |
| |
| #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 |
| |
| static void register_reset_to_bl31(void) |
| { |
| static struct bl_aux_param_gpio param_reset = { |
| .h = { .type = BL_AUX_PARAM_MTK_RESET_GPIO }, |
| .gpio = { .polarity = ARM_TF_GPIO_LEVEL_HIGH }, |
| }; |
| |
| param_reset.gpio.index = GPIO_RESET.id; |
| register_bl31_aux_param(¶m_reset.h); |
| } |
| |
| static void configure_emmc(void) |
| { |
| 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); |
| } |
| |
| 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[] = { |
| 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, enable); |
| mainboard_enable_regulator(MTK_REGULATOR_VCCQ, enable); |
| } |
| |
| static void mainboard_init(struct device *dev) |
| { |
| configure_emmc(); |
| configure_sdcard(); |
| setup_usb_host(); |
| |
| register_reset_to_bl31(); |
| |
| if (dpm_init()) |
| printk(BIOS_ERR, "dpm init fail, system can't do DVFS switch\n"); |
| |
| if (spm_init()) |
| printk(BIOS_ERR, "spm init fail, system suspend may stuck\n"); |
| } |
| |
| static void mainboard_enable(struct device *dev) |
| { |
| dev->ops->init = &mainboard_init; |
| } |
| |
| struct chip_operations mainboard_ops = { |
| .name = CONFIG_MAINBOARD_PART_NUMBER, |
| .enable_dev = mainboard_enable, |
| }; |