1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (C) 2011 Ilya Yanok, Emcraft Systems
4 *
5 * Based on ti/evm/evm.c
6 */
7
8 #include <common.h>
9 #include <asm/io.h>
10 #include <asm/arch/mem.h>
11 #include <asm/arch/mmc_host_def.h>
12 #include <asm/arch/mux.h>
13 #include <asm/arch/sys_proto.h>
14 #include <asm/mach-types.h>
15 #include <asm/gpio.h>
16 #include <asm/omap_gpio.h>
17 #include <asm/arch/dss.h>
18 #include <asm/arch/clock.h>
19 #include <errno.h>
20 #include <i2c.h>
21 #ifdef CONFIG_USB_EHCI_HCD
22 #include <usb.h>
23 #include <asm/ehci-omap.h>
24 #endif
25 #include "mcx.h"
26
27 DECLARE_GLOBAL_DATA_PTR;
28
29 #define HOT_WATER_BUTTON 42
30 #define LCD_OUTPUT 55
31
32 /* Address of the framebuffer in RAM. */
33 #define FB_START_ADDRESS 0x88000000
34
35 #ifdef CONFIG_USB_EHCI_HCD
36 static struct omap_usbhs_board_data usbhs_bdata = {
37 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
38 .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
39 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
40 };
41
ehci_hcd_init(int index,enum usb_init_type init,struct ehci_hccr ** hccr,struct ehci_hcor ** hcor)42 int ehci_hcd_init(int index, enum usb_init_type init,
43 struct ehci_hccr **hccr, struct ehci_hcor **hcor)
44 {
45 return omap_ehci_hcd_init(index, &usbhs_bdata, hccr, hcor);
46 }
47
ehci_hcd_stop(int index)48 int ehci_hcd_stop(int index)
49 {
50 return omap_ehci_hcd_stop();
51 }
52 #endif
53
54 /*
55 * Routine: board_init
56 * Description: Early hardware init.
57 */
board_init(void)58 int board_init(void)
59 {
60 gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
61 /* boot param addr */
62 gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
63
64 gpio_direction_output(LCD_OUTPUT, 0);
65
66 return 0;
67 }
68
69 #ifdef CONFIG_BOARD_LATE_INIT
board_late_init(void)70 int board_late_init(void)
71 {
72 if (gpio_request(HOT_WATER_BUTTON, "hot-water-button") < 0) {
73 puts("Failed to get hot-water-button pin\n");
74 return -ENODEV;
75 }
76 gpio_direction_input(HOT_WATER_BUTTON);
77
78 /*
79 * if hot-water-button is pressed
80 * change bootcmd
81 */
82 if (gpio_get_value(HOT_WATER_BUTTON))
83 return 0;
84
85 env_set("bootcmd", "run swupdate");
86
87 return 0;
88 }
89 #endif
90
91 /*
92 * Routine: set_muxconf_regs
93 * Description: Setting up the configuration Mux registers specific to the
94 * hardware. Many pins need to be moved from protect to primary
95 * mode.
96 */
set_muxconf_regs(void)97 void set_muxconf_regs(void)
98 {
99 MUX_MCX();
100 }
101
102 #if defined(CONFIG_MMC_OMAP_HS)
board_mmc_init(bd_t * bis)103 int board_mmc_init(bd_t *bis)
104 {
105 return omap_mmc_init(0, 0, 0, -1, -1);
106 }
107 #endif
108
109 #if defined(CONFIG_VIDEO) && !defined(CONFIG_SPL_BUILD)
110
111 static struct panel_config lcd_cfg = {
112 .timing_h = PANEL_TIMING_H(40, 40, 48),
113 .timing_v = PANEL_TIMING_V(29, 13, 3),
114 .pol_freq = 0x00003000, /* Pol Freq */
115 .divisor = 0x0001000E,
116 .panel_type = 0x01, /* TFT */
117 .data_lines = 0x03, /* 24 Bit RGB */
118 .load_mode = 0x02, /* Frame Mode */
119 .panel_color = 0,
120 .lcd_size = PANEL_LCD_SIZE(800, 480),
121 .gfx_format = GFXFORMAT_RGB24_UNPACKED,
122 };
123
board_video_init(void)124 int board_video_init(void)
125 {
126 struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
127 void *fb;
128
129 fb = (void *)FB_START_ADDRESS;
130
131 lcd_cfg.frame_buffer = fb;
132
133 setbits_le32(&prcm_base->fclken_dss, FCK_DSS_ON);
134 setbits_le32(&prcm_base->iclken_dss, ICK_DSS_ON);
135
136 omap3_dss_panel_config(&lcd_cfg);
137 omap3_dss_enable();
138
139 return 0;
140 }
141 #endif
142