board/samsung/smdk5420/smdk5420.c

   1 /*
   2  * Copyright (C) 2013 Samsung Electronics
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #include <common.h>
   8 #include <fdtdec.h>
   9 #include <asm/io.h>
  10 #include <i2c.h>
  11 #include <lcd.h>
  12 #include <spi.h>
  13 #include <asm/arch/board.h>
  14 #include <asm/arch/cpu.h>
  15 #include <asm/arch/gpio.h>
  16 #include <asm/arch/pinmux.h>
  17 #include <asm/arch/dp_info.h>
  18
  19 DECLARE_GLOBAL_DATA_PTR;
  20
  21 #ifdef CONFIG_USB_EHCI_EXYNOS
  22 static int board_usb_vbus_init(void)
  23 {
  24         struct exynos5_gpio_part1 *gpio1 = (struct exynos5_gpio_part1 *)
  25                                                 samsung_get_base_gpio_part1();
  26
  27         /* Enable VBUS power switch */
  28         s5p_gpio_direction_output(&gpio1->x2, 6, 1);
  29
  30         /* VBUS turn ON time */
  31         mdelay(3);
  32
  33         return 0;
  34 }
  35 #endif
  36
  37 int exynos_init(void)
  38 {
  39 #ifdef CONFIG_USB_EHCI_EXYNOS
  40         board_usb_vbus_init();
  41 #endif
  42         return 0;
  43 }
  44
  45 #ifdef CONFIG_LCD
  46 void cfg_lcd_gpio(void)
  47 {
  48         struct exynos5_gpio_part1 *gpio1 =
  49                 (struct exynos5_gpio_part1 *)samsung_get_base_gpio_part1();
  50
  51         /* For Backlight */
  52         s5p_gpio_cfg_pin(&gpio1->b2, 0, GPIO_OUTPUT);
  53         s5p_gpio_set_value(&gpio1->b2, 0, 1);
  54
  55         /* LCD power on */
  56         s5p_gpio_cfg_pin(&gpio1->x1, 5, GPIO_OUTPUT);
  57         s5p_gpio_set_value(&gpio1->x1, 5, 1);
  58
  59         /* Set Hotplug detect for DP */
  60         s5p_gpio_cfg_pin(&gpio1->x0, 7, GPIO_FUNC(0x3));
  61 }
  62
  63 vidinfo_t panel_info = {
  64         .vl_freq        = 60,
  65         .vl_col         = 2560,
  66         .vl_row         = 1600,
  67         .vl_width       = 2560,
  68         .vl_height      = 1600,
  69         .vl_clkp        = CONFIG_SYS_LOW,
  70         .vl_hsp         = CONFIG_SYS_LOW,
  71         .vl_vsp         = CONFIG_SYS_LOW,
  72         .vl_dp          = CONFIG_SYS_LOW,
  73         .vl_bpix        = 4,    /* LCD_BPP = 2^4, for output conosle on LCD */
  74
  75         /* wDP panel timing infomation */
  76         .vl_hspw        = 32,
  77         .vl_hbpd        = 80,
  78         .vl_hfpd        = 48,
  79
  80         .vl_vspw        = 6,
  81         .vl_vbpd        = 37,
  82         .vl_vfpd        = 3,
  83         .vl_cmd_allow_len = 0xf,
  84
  85         .win_id         = 3,
  86         .cfg_gpio       = cfg_lcd_gpio,
  87         .backlight_on   = NULL,
  88         .lcd_power_on   = NULL,
  89         .reset_lcd      = NULL,
  90         .dual_lcd_enabled = 0,
  91
  92         .init_delay     = 0,
  93         .power_on_delay = 0,
  94         .reset_delay    = 0,
  95         .interface_mode = FIMD_RGB_INTERFACE,
  96         .dp_enabled     = 1,
  97 };
  98
  99 static struct edp_device_info edp_info = {
 100         .disp_info = {
 101                 .h_res = 2560,
 102                 .h_sync_width = 32,
 103                 .h_back_porch = 80,
 104                 .h_front_porch = 48,
 105                 .v_res = 1600,
 106                 .v_sync_width  = 6,
 107                 .v_back_porch = 37,
 108                 .v_front_porch = 3,
 109                 .v_sync_rate = 60,
 110         },
 111         .lt_info = {
 112                 .lt_status = DP_LT_NONE,
 113         },
 114         .video_info = {
 115                 .master_mode = 0,
 116                 .bist_mode = DP_DISABLE,
 117                 .bist_pattern = NO_PATTERN,
 118                 .h_sync_polarity = 0,
 119                 .v_sync_polarity = 0,
 120                 .interlaced = 0,
 121                 .color_space = COLOR_RGB,
 122                 .dynamic_range = VESA,
 123                 .ycbcr_coeff = COLOR_YCBCR601,
 124                 .color_depth = COLOR_8,
 125         },
 126 };
 127
 128 static struct exynos_dp_platform_data dp_platform_data = {
 129         .phy_enable     = set_dp_phy_ctrl,
 130         .edp_dev_info   = &edp_info,
 131 };
 132
 133 void init_panel_info(vidinfo_t *vid)
 134 {
 135         vid->rgb_mode   = MODE_RGB_P;
 136
 137         exynos_set_dp_platform_data(&dp_platform_data);
 138 }
 139 #endif
 140
 141 int board_get_revision(void)
 142 {
 143         return 0;
 144 }
 145
 146 #ifdef CONFIG_DISPLAY_BOARDINFO
 147 int checkboard(void)
 148 {
 149         const char *board_name;
 150
 151         board_name = fdt_getprop(gd->fdt_blob, 0, "model", NULL);
 152         if (board_name == NULL)
 153                 printf("\nUnknown Board\n");
 154         else
 155                 printf("\nBoard: %s\n", board_name);
 156
 157         return 0;
 158 }
 159 #endif