| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <bl31.h> |
| #include <bootmode.h> |
| #include <console/console.h> |
| #include <delay.h> |
| #include <device/device.h> |
| #include <device/mmio.h> |
| #include <drivers/analogix/anx7625/anx7625.h> |
| #include <edid.h> |
| #include <framebuffer_info.h> |
| #include <gpio.h> |
| #include <soc/ddp.h> |
| #include <soc/dpm.h> |
| #include <soc/dsi.h> |
| #include <soc/gpio.h> |
| #include <soc/gpio_common.h> |
| #include <soc/i2c.h> |
| #include <soc/mtcmos.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 |
| |
| /* GPIO names */ |
| #define GPIO_EDPBRDG_INT_ODL GPIO(EINT6) /* 6 */ |
| #define GPIO_EDPBRDG_PWREN GPIO(DSI_TE) /* 41 */ |
| #define GPIO_EDPBRDG_RST_ODL GPIO(LCM_RST) /* 42 */ |
| #define GPIO_EN_PP3300_EDP_DX GPIO(PERIPHERAL_EN1) /* 127 */ |
| #define GPIO_EN_PP1800_EDPBRDG_DX GPIO(PERIPHERAL_EN2) /* 128 */ |
| #define GPIO_EN_PP1000_EDPBRDG GPIO(PERIPHERAL_EN3) /* 129 */ |
| #define GPIO_EN_PP3300_DISPLAY_DX GPIO(CAM_CLK3) /* 136 */ |
| #define GPIO_AP_EDP_BKLTEN GPIO(KPROW1) /* 152 */ |
| #define GPIO_BL_PWM_1V8 GPIO(DISP_PWM) /* 40 */ |
| |
| 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); |
| } |
| |
| /* Set up backlight control pins as output pin and power-off by default */ |
| static void configure_backlight_and_bridge(void) |
| { |
| /* Disable backlight before turning on bridge */ |
| gpio_output(GPIO_AP_EDP_BKLTEN, 0); |
| gpio_output(GPIO_BL_PWM_1V8, 0); |
| gpio_output(GPIO_EN_PP3300_DISPLAY_DX, 1); |
| |
| /* Turn on bridge */ |
| gpio_output(GPIO_EDPBRDG_RST_ODL, 0); |
| gpio_output(GPIO_EN_PP1000_EDPBRDG, 1); |
| gpio_output(GPIO_EN_PP1800_EDPBRDG_DX, 1); |
| gpio_output(GPIO_EN_PP3300_EDP_DX, 1); |
| mdelay(2); |
| gpio_output(GPIO_EDPBRDG_PWREN, 1); |
| mdelay(10); |
| gpio_output(GPIO_EDPBRDG_RST_ODL, 1); |
| } |
| |
| static bool configure_display(void) |
| { |
| struct edid edid; |
| const u8 i2c_bus = 3; |
| |
| printk(BIOS_INFO, "%s: Starting display init\n", __func__); |
| |
| configure_backlight_and_bridge(); |
| mtk_i2c_bus_init(i2c_bus); |
| |
| if (anx7625_init(i2c_bus)) { |
| printk(BIOS_ERR, "%s: Can't init ANX7625 bridge\n", __func__); |
| return false; |
| } |
| |
| if (anx7625_dp_get_edid(i2c_bus, &edid)) { |
| printk(BIOS_ERR, "%s: Can't get panel's edid\n", __func__); |
| return false; |
| } |
| if (anx7625_dp_start(i2c_bus, &edid) < 0) { |
| printk(BIOS_ERR, "%s: Can't start display via ANX7625\n", __func__); |
| return false; |
| } |
| |
| const char *name = edid.ascii_string; |
| if (name[0] == '\0') |
| name = "unknown name"; |
| printk(BIOS_INFO, "%s: '%s %s' %dx%d@%dHz\n", __func__, |
| edid.manufacturer_name, name, edid.mode.ha, edid.mode.va, |
| edid.mode.refresh); |
| |
| mtcmos_display_power_on(); |
| mtcmos_protect_display_bus(); |
| |
| edid_set_framebuffer_bits_per_pixel(&edid, 32, 0); |
| mtk_ddp_init(); |
| u32 mipi_dsi_flags = (MIPI_DSI_MODE_VIDEO | |
| MIPI_DSI_MODE_VIDEO_SYNC_PULSE | |
| MIPI_DSI_MODE_LPM | |
| MIPI_DSI_MODE_EOT_PACKET); |
| |
| if (mtk_dsi_init(mipi_dsi_flags, MIPI_DSI_FMT_RGB888, 4, &edid, NULL) < 0) { |
| printk(BIOS_ERR, "%s: Failed in DSI init\n", __func__); |
| return false; |
| } |
| mtk_ddp_mode_set(&edid); |
| fb_new_framebuffer_info_from_edid(&edid, (uintptr_t)0); |
| return true; |
| } |
| |
| 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 configure_audio(void) |
| { |
| /* Audio PWR */ |
| mtcmos_audio_power_on(); |
| |
| /* SoC I2S */ |
| gpio_set_mode(GPIO(I2S3_MCK), PAD_I2S3_MCK_FUNC_I2S3_MCK); |
| gpio_set_mode(GPIO(I2S3_BCK), PAD_I2S3_BCK_FUNC_I2S3_BCK); |
| gpio_set_mode(GPIO(I2S3_LRCK), PAD_I2S3_LRCK_FUNC_I2S3_LRCK); |
| gpio_set_mode(GPIO(I2S3_DO), PAD_I2S3_DO_FUNC_I2S3_DO); |
| } |
| |
| static void mainboard_init(struct device *dev) |
| { |
| configure_emmc(); |
| configure_sdcard(); |
| configure_audio(); |
| 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"); |
| |
| if (display_init_required()) |
| configure_display(); |
| else |
| printk(BIOS_INFO, "%s: Skipped display init\n", __func__); |
| } |
| |
| static void mainboard_enable(struct device *dev) |
| { |
| dev->ops->init = &mainboard_init; |
| } |
| |
| struct chip_operations mainboard_ops = { |
| .enable_dev = mainboard_enable, |
| }; |