summaryrefslogtreecommitdiff
path: root/arch/arm/cpu/armv7/am33xx/board.c
blob: e35a3e3a704e122ca381eae766dbe9e78f2cc565 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
/*
 * board.c
 *
 * Common board functions for AM33XX based boards
 *
 * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR /PURPOSE.  See the
 * GNU General Public License for more details.
 */

#include <common.h>
#include <errno.h>
#include <spl.h>
#include <asm/arch/cpu.h>
#include <asm/arch/hardware.h>
#include <asm/arch/omap.h>
#include <asm/arch/ddr_defs.h>
#include <asm/arch/clock.h>
#include <asm/arch/gpio.h>
#include <asm/arch/mem.h>
#include <asm/arch/mmc_host_def.h>
#include <asm/arch/sys_proto.h>
#include <asm/io.h>
#include <asm/emif.h>
#include <asm/gpio.h>
#include <i2c.h>
#include <miiphy.h>
#include <cpsw.h>
#include <asm/errno.h>
#include <linux/usb/ch9.h>
#include <linux/usb/gadget.h>
#include <linux/usb/musb.h>
#include <asm/omap_musb.h>

DECLARE_GLOBAL_DATA_PTR;

static const struct gpio_bank gpio_bank_am33xx[4] = {
	{ (void *)AM33XX_GPIO0_BASE, METHOD_GPIO_24XX },
	{ (void *)AM33XX_GPIO1_BASE, METHOD_GPIO_24XX },
	{ (void *)AM33XX_GPIO2_BASE, METHOD_GPIO_24XX },
	{ (void *)AM33XX_GPIO3_BASE, METHOD_GPIO_24XX },
};

const struct gpio_bank *const omap_gpio_bank = gpio_bank_am33xx;

#if defined(CONFIG_OMAP_HSMMC) && !defined(CONFIG_SPL_BUILD)
int cpu_mmc_init(bd_t *bis)
{
	int ret;

	ret = omap_mmc_init(0, 0, 0, -1, -1);
	if (ret)
		return ret;

	return omap_mmc_init(1, 0, 0, -1, -1);
}
#endif

void setup_clocks_for_console(void)
{
	/* Not yet implemented */
	return;
}

/* AM33XX has two MUSB controllers which can be host or gadget */
#if (defined(CONFIG_MUSB_GADGET) || defined(CONFIG_MUSB_HOST)) && \
	(defined(CONFIG_AM335X_USB0) || defined(CONFIG_AM335X_USB1))
static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;

/* USB 2.0 PHY Control */
#define CM_PHY_PWRDN			(1 << 0)
#define CM_PHY_OTG_PWRDN		(1 << 1)
#define OTGVDET_EN			(1 << 19)
#define OTGSESSENDEN			(1 << 20)

static void am33xx_usb_set_phy_power(u8 on, u32 *reg_addr)
{
	if (on) {
		clrsetbits_le32(reg_addr, CM_PHY_PWRDN | CM_PHY_OTG_PWRDN,
				OTGVDET_EN | OTGSESSENDEN);
	} else {
		clrsetbits_le32(reg_addr, 0, CM_PHY_PWRDN | CM_PHY_OTG_PWRDN);
	}
}

static struct musb_hdrc_config musb_config = {
	.multipoint     = 1,
	.dyn_fifo       = 1,
	.num_eps        = 16,
	.ram_bits       = 12,
};

#ifdef CONFIG_AM335X_USB0
static void am33xx_otg0_set_phy_power(u8 on)
{
	am33xx_usb_set_phy_power(on, &cdev->usb_ctrl0);
}

struct omap_musb_board_data otg0_board_data = {
	.set_phy_power = am33xx_otg0_set_phy_power,
};

static struct musb_hdrc_platform_data otg0_plat = {
	.mode           = CONFIG_AM335X_USB0_MODE,
	.config         = &musb_config,
	.power          = 50,
	.platform_ops	= &musb_dsps_ops,
	.board_data	= &otg0_board_data,
};
#endif

#ifdef CONFIG_AM335X_USB1
static void am33xx_otg1_set_phy_power(u8 on)
{
	am33xx_usb_set_phy_power(on, &cdev->usb_ctrl1);
}

struct omap_musb_board_data otg1_board_data = {
	.set_phy_power = am33xx_otg1_set_phy_power,
};

static struct musb_hdrc_platform_data otg1_plat = {
	.mode           = CONFIG_AM335X_USB1_MODE,
	.config         = &musb_config,
	.power          = 50,
	.platform_ops	= &musb_dsps_ops,
	.board_data	= &otg1_board_data,
};
#endif
#endif

int arch_misc_init(void)
{
#ifdef CONFIG_AM335X_USB0
	musb_register(&otg0_plat, &otg0_board_data,
		(void *)AM335X_USB0_OTG_BASE);
#endif
#ifdef CONFIG_AM335X_USB1
	musb_register(&otg1_plat, &otg1_board_data,
		(void *)AM335X_USB1_OTG_BASE);
#endif
	return 0;
}