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 */ 126