| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #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/bl31.h> |
| #include <soc/ddp.h> |
| #include <soc/dpm.h> |
| #include <soc/dsi.h> |
| #include <soc/gpio_common.h> |
| #include <soc/i2c.h> |
| #include <soc/msdc.h> |
| #include <soc/mtcmos.h> |
| #include <soc/regulator.h> |
| #include <soc/spm.h> |
| #include <soc/usb.h> |
| |
| #include "gpio.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 |
| |
| /* 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 */ |
| |
| /* Override hs_da_trail for ANX7625 */ |
| void mtk_dsi_override_phy_timing(struct mtk_phy_timing *timing) |
| { |
| timing->da_hs_trail += 9; |
| } |
| |
| /* 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(14); |
| 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; |
| } |
| |
| 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_LINE_END | |
| 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; |
| } |
| |
| if (anx7625_dp_start(i2c_bus, &edid) < 0) { |
| printk(BIOS_ERR, "%s: Can't start display via ANX7625\n", __func__); |
| return false; |
| } |
| |
| mtk_ddp_mode_set(&edid); |
| fb_new_framebuffer_info_from_edid(&edid, (uintptr_t)0); |
| return true; |
| } |
| |
| 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) |
| { |
| mtk_msdc_configure_emmc(true); |
| mtk_msdc_configure_sdcard(); |
| configure_audio(); |
| setup_usb_host(); |
| |
| if (CONFIG(ARM64_USE_ARM_TRUSTED_FIRMWARE)) |
| register_reset_to_bl31(GPIO_RESET.id, true); |
| |
| 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, |
| }; |