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