summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-omap2/board-h4.c
blob: f2554469a76a79beb7b7b060a7fe09ac2041e5df (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
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
/*
 * linux/arch/arm/mach-omap/omap2/board-h4.c
 *
 * Copyright (C) 2005 Nokia Corporation
 * Author: Paul Mundt <paul.mundt@nokia.com>
 *
 * Modified from mach-omap/omap1/board-generic.c
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/delay.h>

#include <asm/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/flash.h>

#include <asm/arch/gpio.h>
#include <asm/arch/mux.h>
#include <asm/arch/usb.h>
#include <asm/arch/board.h>
#include <asm/arch/common.h>
#include <asm/arch/prcm.h>

#include <asm/io.h>
#include <asm/delay.h>

static struct mtd_partition h4_partitions[] = {
	/* bootloader (U-Boot, etc) in first sector */
	{
	      .name		= "bootloader",
	      .offset		= 0,
	      .size		= SZ_128K,
	      .mask_flags	= MTD_WRITEABLE, /* force read-only */
	},
	/* bootloader params in the next sector */
	{
	      .name		= "params",
	      .offset		= MTDPART_OFS_APPEND,
	      .size		= SZ_128K,
	      .mask_flags	= 0,
	},
	/* kernel */
	{
	      .name		= "kernel",
	      .offset		= MTDPART_OFS_APPEND,
	      .size		= SZ_2M,
	      .mask_flags	= 0
	},
	/* file system */
	{
	      .name		= "filesystem",
	      .offset		= MTDPART_OFS_APPEND,
	      .size		= MTDPART_SIZ_FULL,
	      .mask_flags	= 0
	}
};

static struct flash_platform_data h4_flash_data = {
	.map_name	= "cfi_probe",
	.width		= 2,
	.parts		= h4_partitions,
	.nr_parts	= ARRAY_SIZE(h4_partitions),
};

static struct resource h4_flash_resource = {
	.start		= H4_CS0_BASE,
	.end		= H4_CS0_BASE + SZ_64M - 1,
	.flags		= IORESOURCE_MEM,
};

static struct platform_device h4_flash_device = {
	.name		= "omapflash",
	.id		= 0,
	.dev		= {
		.platform_data	= &h4_flash_data,
	},
	.num_resources	= 1,
	.resource	= &h4_flash_resource,
};

static struct resource h4_smc91x_resources[] = {
	[0] = {
		.start  = OMAP24XX_ETHR_START,          /* Physical */
		.end    = OMAP24XX_ETHR_START + 0xf,
		.flags  = IORESOURCE_MEM,
	},
	[1] = {
		.start  = OMAP_GPIO_IRQ(OMAP24XX_ETHR_GPIO_IRQ),
		.end    = OMAP_GPIO_IRQ(OMAP24XX_ETHR_GPIO_IRQ),
		.flags  = IORESOURCE_IRQ,
	},
};

static struct platform_device h4_smc91x_device = {
	.name		= "smc91x",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(h4_smc91x_resources),
	.resource	= h4_smc91x_resources,
};

static struct platform_device *h4_devices[] __initdata = {
	&h4_smc91x_device,
	&h4_flash_device,
};

static inline void __init h4_init_smc91x(void)
{
	/* Make sure CS1 timings are correct */
	GPMC_CONFIG1_1 = 0x00011200;
	GPMC_CONFIG2_1 = 0x001f1f01;
	GPMC_CONFIG3_1 = 0x00080803;
	GPMC_CONFIG4_1 = 0x1c091c09;
	GPMC_CONFIG5_1 = 0x041f1f1f;
	GPMC_CONFIG6_1 = 0x000004c4;
	GPMC_CONFIG7_1 = 0x00000f40 | (0x08000000 >> 24);
	udelay(100);

	omap_cfg_reg(M15_24XX_GPIO92);
	if (omap_request_gpio(OMAP24XX_ETHR_GPIO_IRQ) < 0) {
		printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n",
			OMAP24XX_ETHR_GPIO_IRQ);
		return;
	}
	omap_set_gpio_direction(OMAP24XX_ETHR_GPIO_IRQ, 1);
}

static void __init omap_h4_init_irq(void)
{
	omap_init_irq();
	omap_gpio_init();
	h4_init_smc91x();
}

static struct omap_uart_config h4_uart_config __initdata = {
	.enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
};

static struct omap_mmc_config h4_mmc_config __initdata = {
	.mmc [0] = {
		.enabled	= 1,
		.wire4		= 1,
		.wp_pin		= -1,
		.power_pin	= -1,
		.switch_pin	= -1,
	},
};

static struct omap_lcd_config h4_lcd_config __initdata = {
	.panel_name	= "h4",
	.ctrl_name	= "internal",
};

static struct omap_board_config_kernel h4_config[] = {
	{ OMAP_TAG_UART,	&h4_uart_config },
	{ OMAP_TAG_MMC,		&h4_mmc_config },
	{ OMAP_TAG_LCD,		&h4_lcd_config },
};

static void __init omap_h4_init(void)
{
	/*
	 * Make sure the serial ports are muxed on at this point.
	 * You have to mux them off in device drivers later on
	 * if not needed.
	 */
	platform_add_devices(h4_devices, ARRAY_SIZE(h4_devices));
	omap_board_config = h4_config;
	omap_board_config_size = ARRAY_SIZE(h4_config);
	omap_serial_init();
}

static void __init omap_h4_map_io(void)
{
	omap_map_common_io();
}

MACHINE_START(OMAP_H4, "OMAP2420 H4 board")
	/* Maintainer: Paul Mundt <paul.mundt@nokia.com> */
	.phys_ram	= 0x80000000,
	.phys_io	= 0x48000000,
	.io_pg_offst	= ((0xd8000000) >> 18) & 0xfffc,
	.boot_params	= 0x80000100,
	.map_io		= omap_h4_map_io,
	.init_irq	= omap_h4_init_irq,
	.init_machine	= omap_h4_init,
	.timer		= &omap_timer,
MACHINE_END