src/mainboard/google/asurada/mainboard.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <bootmode.h>
   4 #include <console/console.h>
   5 #include <delay.h>
   6 #include <device/device.h>
   7 #include <device/mmio.h>
   8 #include <drivers/analogix/anx7625/anx7625.h>
   9 #include <edid.h>
  10 #include <framebuffer_info.h>
  11 #include <gpio.h>
  12 #include <soc/bl31.h>
  13 #include <soc/ddp.h>
  14 #include <soc/dpm.h>
  15 #include <soc/dsi.h>
  16 #include <soc/gpio_common.h>
  17 #include <soc/i2c.h>
  18 #include <soc/msdc.h>
  19 #include <soc/mtcmos.h>
  20 #include <soc/regulator.h>
  21 #include <soc/spm.h>
  22 #include <soc/usb.h>
  23
  24 #include "gpio.h"
  25
  26 #define MSDC0_BASE      0x11f60000
  27 #define MSDC0_TOP_BASE  0x11f50000
  28
  29 #define MSDC0_DRV_MASK  0x3fffffff
  30 #define MSDC1_DRV_MASK  0x3ffff000
  31 #define MSDC0_DRV_VALUE 0x24924924
  32 #define MSDC1_DRV_VALUE 0x1b6db000
  33
  34 #define MSDC1_GPIO_MODE0_BASE   0x10005360
  35 #define MSDC1_GPIO_MODE0_MASK   0x77777000
  36 #define MSDC1_GPIO_MODE0_VALUE  0x11111000
  37
  38 #define MSDC1_GPIO_MODE1_BASE   0x10005370
  39 #define MSDC1_GPIO_MODE1_MASK   0x7
  40 #define MSDC1_GPIO_MODE1_VALUE  0x1
  41
  42 /* GPIO names */
  43 #define GPIO_EDPBRDG_INT_ODL            GPIO(EINT6)             /* 6 */
  44 #define GPIO_EDPBRDG_PWREN              GPIO(DSI_TE)            /* 41 */
  45 #define GPIO_EDPBRDG_RST_ODL            GPIO(LCM_RST)           /* 42 */
  46 #define GPIO_EN_PP3300_EDP_DX           GPIO(PERIPHERAL_EN1)    /* 127 */
  47 #define GPIO_EN_PP1800_EDPBRDG_DX       GPIO(PERIPHERAL_EN2)    /* 128 */
  48 #define GPIO_EN_PP1000_EDPBRDG          GPIO(PERIPHERAL_EN3)    /* 129 */
  49 #define GPIO_EN_PP3300_DISPLAY_DX       GPIO(CAM_CLK3)          /* 136 */
  50 #define GPIO_AP_EDP_BKLTEN              GPIO(KPROW1)            /* 152 */
  51 #define GPIO_BL_PWM_1V8                 GPIO(DISP_PWM)          /* 40 */
  52
  53 /* Override hs_da_trail for ANX7625 */
  54 void mtk_dsi_override_phy_timing(struct mtk_phy_timing *timing)
  55 {
  56         timing->da_hs_trail += 9;
  57 }
  58
  59 /* Set up backlight control pins as output pin and power-off by default */
  60 static void configure_backlight_and_bridge(void)
  61 {
  62         /* Disable backlight before turning on bridge */
  63         gpio_output(GPIO_AP_EDP_BKLTEN, 0);
  64         gpio_output(GPIO_BL_PWM_1V8, 0);
  65         gpio_output(GPIO_EN_PP3300_DISPLAY_DX, 1);
  66
  67         /* Turn on bridge */
  68         gpio_output(GPIO_EDPBRDG_RST_ODL, 0);
  69         gpio_output(GPIO_EN_PP1000_EDPBRDG, 1);
  70         gpio_output(GPIO_EN_PP1800_EDPBRDG_DX, 1);
  71         gpio_output(GPIO_EN_PP3300_EDP_DX, 1);
  72         mdelay(14);
  73         gpio_output(GPIO_EDPBRDG_PWREN, 1);
  74         mdelay(10);
  75         gpio_output(GPIO_EDPBRDG_RST_ODL, 1);
  76 }
  77
  78 static bool configure_display(void)
  79 {
  80         struct edid edid;
  81         const u8 i2c_bus = 3;
  82
  83         printk(BIOS_INFO, "%s: Starting display init\n", __func__);
  84
  85         configure_backlight_and_bridge();
  86         mtk_i2c_bus_init(i2c_bus);
  87
  88         if (anx7625_init(i2c_bus)) {
  89                 printk(BIOS_ERR, "%s: Can't init ANX7625 bridge\n", __func__);
  90                 return false;
  91         }
  92
  93         if (anx7625_dp_get_edid(i2c_bus, &edid)) {
  94                 printk(BIOS_ERR, "%s: Can't get panel's edid\n", __func__);
  95                 return false;
  96         }
  97
  98         const char *name = edid.ascii_string;
  99         if (name[0] == '\0')
 100                 name = "unknown name";
 101         printk(BIOS_INFO, "%s: '%s %s' %dx%d@%dHz\n", __func__,
 102                edid.manufacturer_name, name, edid.mode.ha, edid.mode.va,
 103                edid.mode.refresh);
 104
 105         mtcmos_display_power_on();
 106         mtcmos_protect_display_bus();
 107
 108         edid_set_framebuffer_bits_per_pixel(&edid, 32, 0);
 109         mtk_ddp_init();
 110         u32 mipi_dsi_flags = (MIPI_DSI_MODE_VIDEO |
 111                               MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
 112                               MIPI_DSI_MODE_LPM |
 113                               MIPI_DSI_MODE_LINE_END |
 114                               MIPI_DSI_MODE_EOT_PACKET);
 115
 116         if (mtk_dsi_init(mipi_dsi_flags, MIPI_DSI_FMT_RGB888, 4, &edid, NULL) < 0) {
 117                 printk(BIOS_ERR, "%s: Failed in DSI init\n", __func__);
 118                 return false;
 119         }
 120
 121         if (anx7625_dp_start(i2c_bus, &edid) < 0) {
 122                 printk(BIOS_ERR, "%s: Can't start display via ANX7625\n", __func__);
 123                 return false;
 124         }
 125
 126         mtk_ddp_mode_set(&edid);
 127         fb_new_framebuffer_info_from_edid(&edid, (uintptr_t)0);
 128         return true;
 129 }
 130
 131 static void configure_audio(void)
 132 {
 133         /* Audio PWR */
 134         mtcmos_audio_power_on();
 135
 136         /* SoC I2S */
 137         gpio_set_mode(GPIO(I2S3_MCK), PAD_I2S3_MCK_FUNC_I2S3_MCK);
 138         gpio_set_mode(GPIO(I2S3_BCK), PAD_I2S3_BCK_FUNC_I2S3_BCK);
 139         gpio_set_mode(GPIO(I2S3_LRCK), PAD_I2S3_LRCK_FUNC_I2S3_LRCK);
 140         gpio_set_mode(GPIO(I2S3_DO), PAD_I2S3_DO_FUNC_I2S3_DO);
 141 }
 142
 143 static void mainboard_init(struct device *dev)
 144 {
 145         mtk_msdc_configure_emmc(true);
 146         mtk_msdc_configure_sdcard();
 147         configure_audio();
 148         setup_usb_host();
 149
 150         if (CONFIG(ARM64_USE_ARM_TRUSTED_FIRMWARE))
 151                 register_reset_to_bl31(GPIO_RESET.id, true);
 152
 153         if (dpm_init())
 154                 printk(BIOS_ERR, "dpm init fail, system can't do DVFS switch\n");
 155
 156         if (spm_init())
 157                 printk(BIOS_ERR, "spm init fail, system suspend may stuck\n");
 158
 159         if (display_init_required())
 160                 configure_display();
 161         else
 162                 printk(BIOS_INFO, "%s: Skipped display init\n", __func__);
 163 }
 164
 165 static void mainboard_enable(struct device *dev)
 166 {
 167         dev->ops->init = &mainboard_init;
 168 }
 169
 170 struct chip_operations mainboard_ops = {
 171         .enable_dev = mainboard_enable,
 172 };