src/mainboard/google/veyron_mickey/mainboard.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <device/mmio.h>
   4 #include <boot/coreboot_tables.h>
   5 #include <device/device.h>
   6 #include <device/i2c_simple.h>
   7 #include <gpio.h>
   8 #include <soc/display.h>
   9 #include <soc/grf.h>
  10 #include <soc/soc.h>
  11 #include <soc/pmu.h>
  12 #include <soc/clock.h>
  13 #include <soc/rk808.h>
  14 #include <soc/spi.h>
  15 #include <soc/i2c.h>
  16 #include <symbols.h>
  17
  18 #include "board.h"
  19
  20 static void configure_usb(void)
  21 {
  22         gpio_output(GPIO(0, B, 4), 1);          /* USB2_PWR_EN */
  23 }
  24
  25 static void configure_emmc(void)
  26 {
  27         write32(&rk3288_grf->iomux_emmcdata, IOMUX_EMMCDATA);
  28         write32(&rk3288_grf->iomux_emmcpwren, IOMUX_EMMCPWREN);
  29         write32(&rk3288_grf->iomux_emmccmd, IOMUX_EMMCCMD);
  30
  31         gpio_output(GPIO(2, B, 1), 1);          /* EMMC_RST_L */
  32 }
  33
  34 static void configure_i2s(void)
  35 {
  36         write32(&rk3288_grf->iomux_i2s, IOMUX_I2S);
  37         write32(&rk3288_grf->iomux_i2sclk, IOMUX_I2SCLK);
  38
  39         /* AUDIO IO domain 1.8V voltage selection */
  40         write32(&rk3288_grf->io_vsel, RK_SETBITS(1 << 6));
  41         rkclk_configure_i2s(12288000);
  42 }
  43
  44 static void configure_vop(void)
  45 {
  46         write32(&rk3288_grf->iomux_lcdc, IOMUX_LCDC);
  47
  48         /* lcdc(vop) iodomain select 1.8V */
  49         write32(&rk3288_grf->io_vsel, RK_SETBITS(1 << 0));
  50
  51         rk808_configure_ldo(8, 1800);   /* VCC18_LCD (HDMI_AVDD_1V8) */
  52         rk808_configure_ldo(7, 1000);   /* VDD10_LCD (HDMI_AVDD_1V0) */
  53         rk808_configure_switch(1, 1);   /* VCC33_LCD */
  54 }
  55
  56 static void configure_hdmi(void)
  57 {
  58         gpio_output(GPIO(7, B, 3), 1);  /* POWER_HDMI_ON */
  59 }
  60
  61 static void mainboard_init(struct device *dev)
  62 {
  63         gpio_output(GPIO_RESET, 0);
  64
  65         configure_usb();
  66         configure_emmc();
  67         configure_i2s();
  68         configure_vop();
  69         configure_hdmi();
  70 }
  71
  72 static void mainboard_enable(struct device *dev)
  73 {
  74         dev->ops->init = &mainboard_init;
  75 }
  76
  77 struct chip_operations mainboard_ops = {
  78         .enable_dev = mainboard_enable,
  79 };
  80
  81 void lb_board(struct lb_header *header)
  82 {
  83         struct lb_range *dma;
  84
  85         dma = (struct lb_range *)lb_new_record(header);
  86         dma->tag = LB_TAG_DMA;
  87         dma->size = sizeof(*dma);
  88         dma->range_start = (uintptr_t)_dma_coherent;
  89         dma->range_size = REGION_SIZE(dma_coherent);
  90 }
  91
  92 void mainboard_power_on_backlight(void)
  93 {
  94 }