src/mainboard/google/corsola/mainboard.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <bootmode.h>
   4 #include <console/console.h>
   5 #include <device/device.h>
   6 #include <fw_config.h>
   7 #include <gpio.h>
   8 #include <soc/bl31.h>
   9 #include <soc/display.h>
  10 #include <soc/i2c.h>
  11 #include <soc/msdc.h>
  12 #include <soc/spm.h>
  13 #include <soc/usb.h>
  14
  15 #include "gpio.h"
  16 #include "panel.h"
  17
  18 static void configure_alc1019(void)
  19 {
  20         mtcmos_audio_power_on();
  21
  22         /* Set up I2S */
  23         gpio_set_mode(GPIO(I2S2_MCK), PAD_I2S2_MCK_FUNC_I2S2_MCK);
  24         gpio_set_mode(GPIO(I2S2_BCK), PAD_I2S2_BCK_FUNC_I2S2_BCK);
  25         gpio_set_mode(GPIO(I2S2_LRCK), PAD_I2S2_LRCK_FUNC_I2S2_LRCK);
  26         gpio_set_mode(GPIO(EINT4), PAD_EINT4_FUNC_I2S3_DO);
  27 }
  28
  29 static void configure_alc5645(void)
  30 {
  31         mtcmos_audio_power_on();
  32
  33         /* Set up I2S */
  34         gpio_set_mode(GPIO(I2S1_MCK), PAD_I2S1_MCK_FUNC_I2S1_MCK);
  35         gpio_set_mode(GPIO(I2S1_BCK), PAD_I2S1_BCK_FUNC_I2S1_BCK);
  36         gpio_set_mode(GPIO(I2S1_LRCK), PAD_I2S1_LRCK_FUNC_I2S1_LRCK);
  37         gpio_set_mode(GPIO(I2S1_DO), PAD_I2S1_DO_FUNC_I2S1_DO);
  38
  39         /* Init I2C bus timing register for audio codecs */
  40         mtk_i2c_bus_init(I2C5, I2C_SPEED_STANDARD);
  41 }
  42
  43 static void mainboard_init(struct device *dev)
  44 {
  45         mtk_msdc_configure_emmc(true);
  46
  47         if (CONFIG(CORSOLA_SDCARD_INIT)) {
  48                 printk(BIOS_INFO, "SD card init\n");
  49
  50                 /* External SD Card connected via USB */
  51                 gpio_output(GPIO_EN_PP3300_SDBRDG_X, 1);
  52         }
  53
  54         setup_usb_host();
  55
  56         if (!fw_config_is_provisioned() ||
  57             fw_config_probe(FW_CONFIG(AUDIO_AMP, AMP_ALC1019)))
  58                 configure_alc1019();
  59         else if (fw_config_probe(FW_CONFIG(AUDIO_AMP, AMP_ALC5645)))
  60                 configure_alc5645();
  61
  62         if (spm_init())
  63                 printk(BIOS_ERR, "spm init failed, system suspend may not work\n");
  64
  65         if (CONFIG(ARM64_USE_ARM_TRUSTED_FIRMWARE))
  66                 register_reset_to_bl31(GPIO_RESET.id, true);
  67
  68         if (display_init_required()) {
  69                 if (mtk_display_init() < 0)
  70                         printk(BIOS_ERR, "%s: Failed to init display\n", __func__);
  71         } else {
  72                 if (CONFIG(BOARD_GOOGLE_STARYU_COMMON)) {
  73                         mtk_i2c_bus_init(PMIC_I2C_BUS, I2C_SPEED_FAST);
  74                         if (is_pmic_aw37503(PMIC_I2C_BUS)) {
  75                                 printk(BIOS_DEBUG, "Initialize PMIC AW37503\n");
  76                                 aw37503_init(PMIC_I2C_BUS);
  77                         }
  78                 }
  79                 printk(BIOS_INFO, "%s: Skipped display init\n", __func__);
  80         }
  81 }
  82
  83 static void mainboard_enable(struct device *dev)
  84 {
  85         dev->ops->init = &mainboard_init;
  86 }
  87
  88 struct chip_operations mainboard_ops = {
  89         .enable_dev = mainboard_enable,
  90 };