/* SPDX-License-Identifier: GPL-2.0-only */ #include #include #include #include #include #include #include #include #include #include "gpio.h" #define AFE_SE_SECURE_CON (AUDIO_BASE + 0x17a8) static void configure_i2s(void) { /* Audio PWR */ mtcmos_audio_power_on(); mtcmos_protect_audio_bus(); /* Switch to normal mode */ write32p(AFE_SE_SECURE_CON, 0x0); /* SoC I2S */ gpio_set_mode(GPIO_I2SI1_LRCK, PAD_I2SO2_D2_FUNC_TDMIN_LRCK); gpio_set_mode(GPIO_I2SI1_BCK, PAD_I2SIN_D3_FUNC_TDMIN_BCK); gpio_set_mode(GPIO_I2SO1_D0, PAD_GPIO11_FUNC_I2SO1_D0); } static void configure_audio(void) { if (CONFIG(GERALT_USE_MAX98390)) { printk(BIOS_DEBUG, "Configure MAX98390 audio\n"); mtk_i2c_bus_init(I2C0, I2C_SPEED_FAST); configure_i2s(); } } static void mainboard_init(struct device *dev) { mt6359p_init_pmif_arb(); if (display_init_required()) { if (mtk_display_init() < 0) printk(BIOS_ERR, "%s: Failed to init display\n", __func__); } else { printk(BIOS_INFO, "%s: Skipped display initialization\n", __func__); } mtk_msdc_configure_emmc(true); configure_audio(); if (CONFIG(GERALT_SDCARD_INIT)) mtk_msdc_configure_sdcard(); setup_usb_host(); if (CONFIG(ARM64_USE_ARM_TRUSTED_FIRMWARE)) register_reset_to_bl31(GPIO_AP_EC_WARM_RST_REQ.id, true); } static void mainboard_enable(struct device *dev) { dev->ops->init = &mainboard_init; } struct chip_operations mainboard_ops = { .enable_dev = mainboard_enable, };