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Sébastien Szymanskia7762e42017-03-07 14:33:25 +01001/*
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>
Stefano Babic33731bc2017-06-29 10:16:06 +020012#include <asm/mach-imx/iomux-v3.h>
Sébastien Szymanskia7762e42017-03-07 14:33:25 +010013#include <asm/io.h>
14#include <common.h>
15
16DECLARE_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
24static 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
51int 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
84int 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
101int 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
116static 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
121void 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 */