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         /* Enable VBUS power switch */
  25         gpio_direction_output(EXYNOS5420_GPIO_X26, 1);
  26
  27         /* VBUS turn ON time */
  28         mdelay(3);
  29
  30         return 0;
  31 }
  32 #endif
  33
  34 int exynos_init(void)
  35 {
  36 #ifdef CONFIG_USB_EHCI_EXYNOS
  37         board_usb_vbus_init();
  38 #endif
  39         return 0;
  40 }
  41
  42 #ifdef CONFIG_LCD
  43 void cfg_lcd_gpio(void)
  44 {
  45         struct exynos5_gpio_part1 *gpio1 =
  46                 (struct exynos5_gpio_part1 *)samsung_get_base_gpio_part1();
  47
  48         /* For Backlight */
  49         gpio_cfg_pin(EXYNOS5420_GPIO_B20, S5P_GPIO_OUTPUT);
  50         gpio_set_value(EXYNOS5420_GPIO_B20, 1);
  51
  52         /* LCD power on */
  53         gpio_cfg_pin(EXYNOS5420_GPIO_X15, S5P_GPIO_OUTPUT);
  54         gpio_set_value(EXYNOS5420_GPIO_X15, 1);
  55
  56         /* Set Hotplug detect for DP */
  57         gpio_cfg_pin(EXYNOS5420_GPIO_X07, S5P_GPIO_FUNC(0x3));
  58 }
  59
  60 vidinfo_t panel_info = {
  61         .vl_freq        = 60,
  62         .vl_col         = 2560,
  63         .vl_row         = 1600,
  64         .vl_width       = 2560,
  65         .vl_height      = 1600,
  66         .vl_clkp        = CONFIG_SYS_LOW,
  67         .vl_hsp         = CONFIG_SYS_LOW,
  68         .vl_vsp         = CONFIG_SYS_LOW,
  69         .vl_dp          = CONFIG_SYS_LOW,
  70         .vl_bpix        = 4,    /* LCD_BPP = 2^4, for output conosle on LCD */
  71
  72         /* wDP panel timing infomation */
  73         .vl_hspw        = 32,
  74         .vl_hbpd        = 80,
  75         .vl_hfpd        = 48,
  76
  77         .vl_vspw        = 6,
  78         .vl_vbpd        = 37,
  79         .vl_vfpd        = 3,
  80         .vl_cmd_allow_len = 0xf,
  81
  82         .win_id         = 3,
  83         .cfg_gpio       = cfg_lcd_gpio,
  84         .backlight_on   = NULL,
  85         .lcd_power_on   = NULL,
  86         .reset_lcd      = NULL,
  87         .dual_lcd_enabled = 0,
  88
  89         .init_delay     = 0,
  90         .power_on_delay = 0,
  91         .reset_delay    = 0,
  92         .interface_mode = FIMD_RGB_INTERFACE,
  93         .dp_enabled     = 1,
  94 };
  95
  96 static struct edp_device_info edp_info = {
  97         .disp_info = {
  98                 .h_res = 2560,
  99                 .h_sync_width = 32,
 100                 .h_back_porch = 80,
 101                 .h_front_porch = 48,
 102                 .v_res = 1600,
 103                 .v_sync_width  = 6,
 104                 .v_back_porch = 37,
 105                 .v_front_porch = 3,
 106                 .v_sync_rate = 60,
 107         },
 108         .lt_info = {
 109                 .lt_status = DP_LT_NONE,
 110         },
 111         .video_info = {
 112                 .master_mode = 0,
 113                 .bist_mode = DP_DISABLE,
 114                 .bist_pattern = NO_PATTERN,
 115                 .h_sync_polarity = 0,
 116                 .v_sync_polarity = 0,
 117                 .interlaced = 0,
 118                 .color_space = COLOR_RGB,
 119                 .dynamic_range = VESA,
 120                 .ycbcr_coeff = COLOR_YCBCR601,
 121                 .color_depth = COLOR_8,
 122         },
 123 };
 124
 125 static struct exynos_dp_platform_data dp_platform_data = {
 126         .phy_enable     = set_dp_phy_ctrl,
 127         .edp_dev_info   = &edp_info,
 128 };
 129
 130 void init_panel_info(vidinfo_t *vid)
 131 {
 132         vid->rgb_mode   = MODE_RGB_P;
 133
 134         exynos_set_dp_platform_data(&dp_platform_data);
 135 }
 136 #endif
 137
 138 int board_get_revision(void)
 139 {
 140         return 0;
 141 }