board/armadeus/opos6uldev/board.c

   1 /*
   2  * Copyright (C) 2017 Armadeus Systems
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #include <asm/arch/clock.h>
   8 #include <asm/arch/mx6-pins.h>
   9 #include <asm/arch/opos6ul.h>
  10 #include <asm/arch/sys_proto.h>
  11 #include <asm/gpio.h>
  12 #include <asm/mach-imx/iomux-v3.h>
  13 #include <asm/io.h>
  14 #include <common.h>
  15
  16 DECLARE_GLOBAL_DATA_PTR;
  17
  18 #ifdef CONFIG_VIDEO_MXS
  19 #define LCD_PAD_CTRL ( \
  20         PAD_CTL_HYS | PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \
  21         PAD_CTL_PKE | PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm \
  22 )
  23
  24 static iomux_v3_cfg_t const lcd_pads[] = {
  25         MX6_PAD_LCD_CLK__LCDIF_CLK | MUX_PAD_CTRL(LCD_PAD_CTRL),
  26         MX6_PAD_LCD_ENABLE__LCDIF_ENABLE | MUX_PAD_CTRL(LCD_PAD_CTRL),
  27         MX6_PAD_LCD_HSYNC__LCDIF_HSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL),
  28         MX6_PAD_LCD_VSYNC__LCDIF_VSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL),
  29         MX6_PAD_LCD_DATA00__LCDIF_DATA00 | MUX_PAD_CTRL(LCD_PAD_CTRL),
  30         MX6_PAD_LCD_DATA01__LCDIF_DATA01 | MUX_PAD_CTRL(LCD_PAD_CTRL),
  31         MX6_PAD_LCD_DATA02__LCDIF_DATA02 | MUX_PAD_CTRL(LCD_PAD_CTRL),
  32         MX6_PAD_LCD_DATA03__LCDIF_DATA03 | MUX_PAD_CTRL(LCD_PAD_CTRL),
  33         MX6_PAD_LCD_DATA04__LCDIF_DATA04 | MUX_PAD_CTRL(LCD_PAD_CTRL),
  34         MX6_PAD_LCD_DATA05__LCDIF_DATA05 | MUX_PAD_CTRL(LCD_PAD_CTRL),
  35         MX6_PAD_LCD_DATA06__LCDIF_DATA06 | MUX_PAD_CTRL(LCD_PAD_CTRL),
  36         MX6_PAD_LCD_DATA07__LCDIF_DATA07 | MUX_PAD_CTRL(LCD_PAD_CTRL),
  37         MX6_PAD_LCD_DATA08__LCDIF_DATA08 | MUX_PAD_CTRL(LCD_PAD_CTRL),
  38         MX6_PAD_LCD_DATA09__LCDIF_DATA09 | MUX_PAD_CTRL(LCD_PAD_CTRL),
  39         MX6_PAD_LCD_DATA10__LCDIF_DATA10 | MUX_PAD_CTRL(LCD_PAD_CTRL),
  40         MX6_PAD_LCD_DATA11__LCDIF_DATA11 | MUX_PAD_CTRL(LCD_PAD_CTRL),
  41         MX6_PAD_LCD_DATA12__LCDIF_DATA12 | MUX_PAD_CTRL(LCD_PAD_CTRL),
  42         MX6_PAD_LCD_DATA13__LCDIF_DATA13 | MUX_PAD_CTRL(LCD_PAD_CTRL),
  43         MX6_PAD_LCD_DATA14__LCDIF_DATA14 | MUX_PAD_CTRL(LCD_PAD_CTRL),
  44         MX6_PAD_LCD_DATA15__LCDIF_DATA15 | MUX_PAD_CTRL(LCD_PAD_CTRL),
  45         MX6_PAD_LCD_DATA16__LCDIF_DATA16 | MUX_PAD_CTRL(LCD_PAD_CTRL),
  46         MX6_PAD_LCD_DATA17__LCDIF_DATA17 | MUX_PAD_CTRL(LCD_PAD_CTRL),
  47
  48         MX6_PAD_NAND_ALE__GPIO4_IO10 | MUX_PAD_CTRL(NO_PAD_CTRL)
  49 };
  50
  51 int setup_lcd(void)
  52 {
  53         struct gpio_desc backlight;
  54         int ret;
  55
  56         enable_lcdif_clock(LCDIF1_BASE_ADDR, 1);
  57
  58         imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads));
  59
  60         /* Set Brightness to high */
  61         ret = dm_gpio_lookup_name("GPIO4_10", &backlight);
  62         if (ret) {
  63                 printf("Cannot get GPIO4_10\n");
  64                 return ret;
  65         }
  66
  67         ret = dm_gpio_request(&backlight, "backlight");
  68         if (ret) {
  69                 printf("Cannot request GPIO4_10\n");
  70                 return ret;
  71         }
  72
  73         dm_gpio_set_dir_flags(&backlight, GPIOD_IS_OUT);
  74         dm_gpio_set_value(&backlight, 1);
  75
  76         return 0;
  77 }
  78 #endif
  79
  80 #ifdef CONFIG_USB_EHCI_MX6
  81 #define USB_OTHERREGS_OFFSET    0x800
  82 #define UCTRL_PWR_POL           (1 << 9)
  83
  84 int board_ehci_hcd_init(int port)
  85 {
  86         u32 *usbnc_usb_ctrl;
  87
  88         if (port > 1)
  89                 return -EINVAL;
  90
  91         usbnc_usb_ctrl = (u32 *)(USB_BASE_ADDR + USB_OTHERREGS_OFFSET +
  92                                  port * 4);
  93
  94         /* Set Power polarity */
  95         setbits_le32(usbnc_usb_ctrl, UCTRL_PWR_POL);
  96
  97         return 0;
  98 }
  99 #endif
 100
 101 int opos6ul_board_late_init(void)
 102 {
 103 #ifdef CONFIG_VIDEO_MXS
 104         setup_lcd();
 105 #endif
 106
 107         return 0;
 108 }
 109
 110 #ifdef CONFIG_SPL_BUILD
 111 #define UART_PAD_CTRL (                                         \
 112         PAD_CTL_HYS | PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
 113         PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST                    \
 114 )
 115
 116 static iomux_v3_cfg_t const uart1_pads[] = {
 117         MX6_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
 118         MX6_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
 119 };
 120
 121 void opos6ul_setup_uart_debug(void)
 122 {
 123         imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
 124 }
 125 #endif /* CONFIG_SPL_BUILD */