/* SPDX-License-Identifier: GPL-2.0-only */ #include "board.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static struct usb_board_data usb0_board_data = { .parameter_override_x0 = 0xe6, .parameter_override_x1 = 0x8b, .parameter_override_x2 = 0x16, .parameter_override_x3 = 0x03, }; static void setup_usb(void) { /* Assert EN_PP3300_HUB for those board variants that use it. */ gpio_output(USB_HUB_LDO_EN, 1); setup_usb_host0(&usb0_board_data); } static void configure_sdhci(void) { /* Program eMMC drive strength to 16/10/10 mA */ write32((void *)SDC1_TLMM_CFG_ADDR, 0x9FE4); /* Program SD card drive strength to 16/10/10 mA */ write32((void *)SDC2_TLMM_CFG_ADDR, 0x1FE4); } static void qi2s_configure_gpios(void) { gpio_configure(GPIO_MI2S1_SCK, GPIO106_FUNC_MI2S1_SCK, GPIO_NO_PULL, GPIO_16MA, GPIO_OUTPUT); gpio_configure(GPIO_MI2S1_WS, GPIO108_FUNC_MI2S1_WS, GPIO_NO_PULL, GPIO_16MA, GPIO_OUTPUT); gpio_configure(GPIO_MI2S1_DATA0, GPIO107_FUNC_MI2S1_DATA0, GPIO_NO_PULL, GPIO_16MA, GPIO_OUTPUT); } static void edp_configure_gpios(void) { /* Panel power on GPIO enable */ gpio_output(GPIO_PANEL_POWER_ON, 1); /* Panel HPD GPIO enable */ gpio_input_pulldown(GPIO_PANEL_HPD); } static void display_startup(void) { struct edid ed; if (!display_init_required()) { printk(BIOS_INFO, "Skipping display init.\n"); return; } enable_mdss_clk(); edp_configure_gpios(); mdelay(250); /* Delay for the panel to be up */ if (edp_ctrl_init(&ed) == CB_SUCCESS) { mdp_dsi_video_config(&ed); mdp_dsi_video_on(); edid_set_framebuffer_bits_per_pixel(&ed, 32, 0); fb_new_framebuffer_info_from_edid(&ed, (uintptr_t)0); } } static void mainboard_init(struct device *dev) { /* Configure clock for eMMC */ clock_configure_sdcc1(384 * MHz); /* Configure clock for SD card */ clock_configure_sdcc2(50 * MHz); configure_sdhci(); gpi_firmware_load(QUP_0_GSI_BASE); gpi_firmware_load(QUP_1_GSI_BASE); /* * 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_0_SE5, SE_PROTOCOL_UART, FIFO); qupv3_se_fw_load_and_init(QUPV3_1_SE5, SE_PROTOCOL_I2C, MIXED); /* Touch I2C */ qupv3_se_fw_load_and_init(QUPV3_0_SE7, SE_PROTOCOL_UART, FIFO); /* BT UART */ if (CONFIG(BOARD_GOOGLE_HEROBRINE_REV0)) { /* Audio I2C */ qupv3_se_fw_load_and_init(QUPV3_0_SE0, SE_PROTOCOL_I2C, MIXED); /* Trackpad I2C */ qupv3_se_fw_load_and_init(QUPV3_0_SE1, SE_PROTOCOL_I2C, MIXED); /* SAR sensor I2C */ qupv3_se_fw_load_and_init(QUPV3_0_SE2, SE_PROTOCOL_I2C, MIXED); /* Fingerprint SPI */ qupv3_se_fw_load_and_init(QUPV3_1_SE3, SE_PROTOCOL_SPI, MIXED); } else if (CONFIG(BOARD_GOOGLE_SENOR) || CONFIG(BOARD_GOOGLE_PIGLIN)) { /* APPS I2C */ qupv3_se_fw_load_and_init(QUPV3_0_SE1, SE_PROTOCOL_I2C, GSI); /* ESIM SPI */ qupv3_se_fw_load_and_init(QUPV3_1_SE4, SE_PROTOCOL_SPI, MIXED); /* Trackpad I2C */ qupv3_se_fw_load_and_init(QUPV3_0_SE0, SE_PROTOCOL_I2C, MIXED); } else { /* Trackpad I2C */ qupv3_se_fw_load_and_init(QUPV3_0_SE0, SE_PROTOCOL_I2C, MIXED); /* SAR sensor I2C */ qupv3_se_fw_load_and_init(QUPV3_0_SE1, SE_PROTOCOL_I2C, MIXED); /* Audio I2C */ qupv3_se_fw_load_and_init(QUPV3_0_SE2, SE_PROTOCOL_I2C, MIXED); /* Fingerprint SPI */ if (CONFIG(HEROBRINE_HAS_FINGERPRINT)) qupv3_se_fw_load_and_init(QUPV3_1_SE1, SE_PROTOCOL_SPI, MIXED); } /* Take FPMCU out of reset. Power was already applied in romstage and should have stabilized by now. */ if (CONFIG(HEROBRINE_HAS_FINGERPRINT)) gpio_output(GPIO_FP_RST_L, 1); setup_usb(); qi2s_configure_gpios(); 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, };