/* SPDX-License-Identifier: GPL-2.0-only */ #include "board.h" #include #include #include #include #include #include #include #include #include #include #include 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 mainboard_init(struct device *dev) { /* Configure clock for eMMC */ clock_configure_sdcc(1, 384 * MHz); /* Configure clock for SD card */ clock_configure_sdcc(2, 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)) { /* 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_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); /* Fingerprint SPI */ qupv3_se_fw_load_and_init(QUPV3_1_SE6, 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); } 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, };