| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <bootmode.h> |
| #include <delay.h> |
| #include <device/device.h> |
| #include <device/i2c_simple.h> |
| #include <drivers/ti/sn65dsi86bridge/sn65dsi86bridge.h> |
| #include <soc/display/mipi_dsi.h> |
| #include <soc/display/mdssreg.h> |
| #include <soc/qupv3_config.h> |
| #include <soc/qupv3_i2c.h> |
| #include <soc/usb.h> |
| |
| #include "board.h" |
| |
| #define BRIDGE_BUS 0x2 |
| #define BRIDGE_CHIP 0x2d |
| |
| static struct usb_board_data usb0_board_data = { |
| .pll_bias_control_2 = 0x22, |
| .imp_ctrl1 = 0x08, |
| .port_tune1 = 0xc5, |
| }; |
| |
| static void setup_usb(void) |
| { |
| /* Assert EN_PP3300_HUB for those board variants that use it. */ |
| gpio_output(GPIO(84), 1); |
| |
| setup_usb_host0(&usb0_board_data); |
| } |
| |
| static void qi2s_configure_gpios(void) |
| { |
| gpio_configure(GPIO(49), GPIO49_FUNC_MI2S_1_SCK, |
| GPIO_NO_PULL, GPIO_8MA, GPIO_OUTPUT); |
| |
| gpio_configure(GPIO(50), GPIO50_FUNC_MI2S_1_WS, |
| GPIO_NO_PULL, GPIO_8MA, GPIO_OUTPUT); |
| |
| gpio_configure(GPIO(51), GPIO51_FUNC_MI2S_1_DATA0, |
| GPIO_NO_PULL, GPIO_8MA, GPIO_OUTPUT); |
| } |
| |
| static void load_qup_fw(void) |
| { |
| qupv3_se_fw_load_and_init(QUPV3_0_SE1, SE_PROTOCOL_SPI, MIXED); /* ESIM SPI */ |
| qupv3_se_fw_load_and_init(QUPV3_0_SE3, SE_PROTOCOL_UART, FIFO); /* BT UART */ |
| qupv3_se_fw_load_and_init(QUPV3_0_SE4, SE_PROTOCOL_I2C, MIXED); /* Pen Detect I2C */ |
| qupv3_se_fw_load_and_init(QUPV3_0_SE5, SE_PROTOCOL_I2C, MIXED); /* SAR I2C */ |
| qupv3_se_fw_load_and_init(QUPV3_1_SE1, SE_PROTOCOL_I2C, MIXED); /* Trackpad I2C */ |
| /* |
| * When coreboot firmware disables serial output, |
| * we still need to load console UART QUP FW for OS. |
| */ |
| if (!CONFIG(CONSOLE_SERIAL)) |
| qupv3_se_fw_load_and_init(QUPV3_1_SE2, SE_PROTOCOL_UART, FIFO); |
| |
| qupv3_se_fw_load_and_init(QUPV3_1_SE3, SE_PROTOCOL_I2C, MIXED); /* Speaker Amps I2C */ |
| qupv3_se_fw_load_and_init(QUPV3_1_SE4, SE_PROTOCOL_SPI, MIXED); /* Fingerprint SPI */ |
| qupv3_se_fw_load_and_init(QUPV3_1_SE5, SE_PROTOCOL_I2C, MIXED); /* Codec I2C */ |
| } |
| |
| static void configure_display(void) |
| { |
| printk(BIOS_INFO, "%s: Bridge gpio init\n", __func__); |
| |
| /* Bridge Enable GPIO */ |
| gpio_output(GPIO_EDP_BRIDGE_ENABLE, 1); |
| |
| /* PP3300 EDP power supply */ |
| gpio_output(GPIO_EN_PP3300_DX_EDP, 1); |
| } |
| |
| static void display_init(struct edid *edid) |
| { |
| uint32_t dsi_bpp = 24; |
| uint32_t lanes = 4; |
| |
| if (mdss_dsi_config(edid, lanes, dsi_bpp)) |
| return; |
| |
| sn65dsi86_bridge_configure(BRIDGE_BUS, BRIDGE_CHIP, edid, lanes, dsi_bpp); |
| mdp_dsi_video_config(edid); |
| mdss_dsi_video_mode_config(edid, dsi_bpp); |
| mdp_dsi_video_on(); |
| } |
| |
| static void display_startup(void) |
| { |
| static struct edid ed; |
| enum dp_pll_clk_src ref_clk = SN65_SEL_19MHZ; |
| |
| i2c_init(QUPV3_0_SE2, I2C_SPEED_FAST); /* EDP Bridge I2C */ |
| if (display_init_required()) { |
| configure_display(); |
| mdelay(250); /* Delay for the panel to be up */ |
| sn65dsi86_bridge_init(BRIDGE_BUS, BRIDGE_CHIP, ref_clk); |
| if (sn65dsi86_bridge_read_edid(BRIDGE_BUS, BRIDGE_CHIP, &ed) < 0) |
| return; |
| |
| printk(BIOS_INFO, "display init!\n"); |
| |
| /* Configure backlight */ |
| gpio_output(GPIO_BACKLIGHT_ENABLE, 1); |
| display_init(&ed); |
| set_vbe_mode_info_valid(&ed, (uintptr_t)0); |
| } else |
| printk(BIOS_INFO, "Skipping display init.\n"); |
| } |
| |
| static void mainboard_init(struct device *dev) |
| { |
| setup_usb(); |
| qi2s_configure_gpios(); |
| load_qup_fw(); |
| display_startup(); |
| } |
| |
| 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, |
| }; |