summaryrefslogtreecommitdiff
path: root/board/technexion/twister/twister.c
blob: fa0ace019ae9051af82c6ca13059852cfc563364 (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
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
/*
 * Copyright (C) 2011
 * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
 *
 * Copyright (C) 2009 TechNexion Ltd.
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#include <common.h>
#include <netdev.h>
#include <asm/io.h>
#include <asm/arch/mem.h>
#include <asm/arch/mux.h>
#include <asm/arch/sys_proto.h>
#include <asm/omap_gpio.h>
#include <asm/arch/mmc_host_def.h>
#include <i2c.h>
#include <asm/gpio.h>
#ifdef CONFIG_USB_EHCI
#include <usb.h>
#include <asm/ehci-omap.h>
#endif
#include "twister.h"

DECLARE_GLOBAL_DATA_PTR;

/* Timing definitions for Ethernet Controller */
static const u32 gpmc_smc911[] = {
	NET_GPMC_CONFIG1,
	NET_GPMC_CONFIG2,
	NET_GPMC_CONFIG3,
	NET_GPMC_CONFIG4,
	NET_GPMC_CONFIG5,
	NET_GPMC_CONFIG6,
};

static const u32 gpmc_XR16L2751[] = {
	XR16L2751_GPMC_CONFIG1,
	XR16L2751_GPMC_CONFIG2,
	XR16L2751_GPMC_CONFIG3,
	XR16L2751_GPMC_CONFIG4,
	XR16L2751_GPMC_CONFIG5,
	XR16L2751_GPMC_CONFIG6,
};

#ifdef CONFIG_USB_EHCI
static struct omap_usbhs_board_data usbhs_bdata = {
	.port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
	.port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
	.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
};

int ehci_hcd_init(int index, struct ehci_hccr **hccr, struct ehci_hcor **hcor)
{
	return omap_ehci_hcd_init(&usbhs_bdata, hccr, hcor);
}

int ehci_hcd_stop(int index)
{
	return omap_ehci_hcd_stop();
}
#endif

int board_init(void)
{
	gpmc_init(); /* in SRAM or SDRAM, finish GPMC */

	/* boot param addr */
	gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);

	/* Chip select 1  and 3 are used for XR16L2751 UART controller */
	enable_gpmc_cs_config(gpmc_XR16L2751, &gpmc_cfg->cs[1],
		XR16L2751_UART1_BASE, GPMC_SIZE_16M);

	enable_gpmc_cs_config(gpmc_XR16L2751, &gpmc_cfg->cs[3],
		XR16L2751_UART2_BASE, GPMC_SIZE_16M);

	gpio_request(CONFIG_OMAP_EHCI_PHY1_RESET_GPIO, "USB_PHY1_RESET");
	gpio_direction_output(CONFIG_OMAP_EHCI_PHY1_RESET_GPIO, 1);

	return 0;
}

#ifndef CONFIG_SPL_BUILD
int misc_init_r(void)
{
	char *eth_addr;
	struct tam3517_module_info info;
	int ret;

	dieid_num_r();

	eth_addr = getenv("ethaddr");
	if (eth_addr)
		return 0;

	TAM3517_READ_EEPROM(&info, ret);
	if (!ret)
		TAM3517_READ_MAC_FROM_EEPROM(&info);

	return 0;
}
#endif

/*
 * Routine: set_muxconf_regs
 * Description: Setting up the configuration Mux registers specific to the
 *		hardware. Many pins need to be moved from protect to primary
 *		mode.
 */
void set_muxconf_regs(void)
{
	MUX_TWISTER();
}

int board_eth_init(bd_t *bis)
{
	davinci_emac_initialize();

	/* init cs for extern lan */
	enable_gpmc_cs_config(gpmc_smc911, &gpmc_cfg->cs[5],
		CONFIG_SMC911X_BASE, GPMC_SIZE_16M);
	if (smc911x_initialize(0, CONFIG_SMC911X_BASE) <= 0)
		printf("\nError initializing SMC911x controlleri\n");

	return 0;
}

#if defined(CONFIG_OMAP_HSMMC) && \
	!defined(CONFIG_SPL_BUILD)
int board_mmc_init(bd_t *bis)
{
	return omap_mmc_init(0, 0, 0);
}
#endif

#ifdef CONFIG_SPL_OS_BOOT
/*
 * Do board specific preperation before SPL
 * Linux boot
 */
void spl_board_prepare_for_linux(void)
{
	/* init cs for extern lan */
	enable_gpmc_cs_config(gpmc_smc911, &gpmc_cfg->cs[5],
		CONFIG_SMC911X_BASE, GPMC_SIZE_16M);
}
int spl_start_uboot(void)
{
	int val = 0;
	if (!gpio_request(SPL_OS_BOOT_KEY, "U-Boot key")) {
		gpio_direction_input(SPL_OS_BOOT_KEY);
		val = gpio_get_value(SPL_OS_BOOT_KEY);
		gpio_free(SPL_OS_BOOT_KEY);
	}
	return val;
}
#endif