aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/mach-pxa/colibri-pxa270.c
blob: 98673ac6efd0d74f66dc270a67e97e7c874ecf97 (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
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
/*
 *  linux/arch/arm/mach-pxa/colibri-pxa270.c
 *
 *  Support for Toradex PXA270 based Colibri module
 *  Daniel Mack <daniel@caiaq.de>
 *  Marek Vasut <marek.vasut@gmail.com>
 *
 *  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/init.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/platform_device.h>
#include <linux/sysdev.h>
#include <linux/ucb1400.h>

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

#include <mach/audio.h>
#include <mach/colibri.h>
#include <mach/pxa27x.h>

#include "devices.h"
#include "generic.h"

/******************************************************************************
 * Pin configuration
 ******************************************************************************/
static mfp_cfg_t colibri_pxa270_pin_config[] __initdata = {
	/* Ethernet */
	GPIO78_nCS_2,	/* Ethernet CS */
	GPIO114_GPIO,	/* Ethernet IRQ */

	/* AC97 */
	GPIO28_AC97_BITCLK,
	GPIO29_AC97_SDATA_IN_0,
	GPIO30_AC97_SDATA_OUT,
	GPIO31_AC97_SYNC,
	GPIO95_AC97_nRESET,
	GPIO98_AC97_SYSCLK,
	GPIO113_GPIO,	/* Touchscreen IRQ */
};

/******************************************************************************
 * NOR Flash
 ******************************************************************************/
#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
static struct mtd_partition colibri_partitions[] = {
	{
		.name =		"Bootloader",
		.offset =	0x00000000,
		.size =		0x00040000,
		.mask_flags =	MTD_WRITEABLE	/* force read-only */
	}, {
		.name =		"Kernel",
		.offset =	0x00040000,
		.size =		0x00400000,
		.mask_flags =	0
	}, {
		.name =		"Rootfs",
		.offset =	0x00440000,
		.size =		MTDPART_SIZ_FULL,
		.mask_flags =	0
	}
};

static struct physmap_flash_data colibri_flash_data[] = {
	{
		.width		= 4,			/* bankwidth in bytes */
		.parts		= colibri_partitions,
		.nr_parts	= ARRAY_SIZE(colibri_partitions)
	}
};

static struct resource colibri_pxa270_flash_resource = {
	.start	= PXA_CS0_PHYS,
	.end	= PXA_CS0_PHYS + SZ_32M - 1,
	.flags	= IORESOURCE_MEM,
};

static struct platform_device colibri_pxa270_flash_device = {
	.name	= "physmap-flash",
	.id	= 0,
	.dev 	= {
		.platform_data = colibri_flash_data,
	},
	.resource = &colibri_pxa270_flash_resource,
	.num_resources = 1,
};

static void __init colibri_pxa270_nor_init(void)
{
	platform_device_register(&colibri_pxa270_flash_device);
}
#else
static inline void colibri_pxa270_nor_init(void) {}
#endif

/******************************************************************************
 * Ethernet
 ******************************************************************************/
#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
static struct resource colibri_pxa270_dm9000_resources[] = {
	{
		.start	= PXA_CS2_PHYS,
		.end	= PXA_CS2_PHYS + 3,
		.flags	= IORESOURCE_MEM,
	},
	{
		.start	= PXA_CS2_PHYS + 4,
		.end	= PXA_CS2_PHYS + 4 + 500,
		.flags	= IORESOURCE_MEM,
	},
	{
		.start	= gpio_to_irq(GPIO114_COLIBRI_PXA270_ETH_IRQ),
		.end	= gpio_to_irq(GPIO114_COLIBRI_PXA270_ETH_IRQ),
		.flags	= IORESOURCE_IRQ | IRQF_TRIGGER_RISING,
	},
};

static struct platform_device colibri_pxa270_dm9000_device = {
	.name		= "dm9000",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(colibri_pxa270_dm9000_resources),
	.resource	= colibri_pxa270_dm9000_resources,
};

static void __init colibri_pxa270_eth_init(void)
{
	platform_device_register(&colibri_pxa270_dm9000_device);
}
#else
static inline void colibri_pxa270_eth_init(void) {}
#endif

/******************************************************************************
 * Audio and Touchscreen
 ******************************************************************************/
#if	defined(CONFIG_TOUCHSCREEN_UCB1400) || \
	defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)
static pxa2xx_audio_ops_t colibri_pxa270_ac97_pdata = {
	.reset_gpio	= 95,
};

static struct ucb1400_pdata colibri_pxa270_ucb1400_pdata = {
	.irq		= gpio_to_irq(GPIO113_COLIBRI_PXA270_TS_IRQ),
};

static struct platform_device colibri_pxa270_ucb1400_device = {
	.name		= "ucb1400_core",
	.id		= -1,
	.dev		= {
		.platform_data = &colibri_pxa270_ucb1400_pdata,
	},
};

static void __init colibri_pxa270_tsc_init(void)
{
	pxa_set_ac97_info(&colibri_pxa270_ac97_pdata);
	platform_device_register(&colibri_pxa270_ucb1400_device);
}
#else
static inline void colibri_pxa270_tsc_init(void) {}
#endif

static int colibri_pxa270_baseboard;
core_param(colibri_pxa270_baseboard, colibri_pxa270_baseboard, int, 0444);

static void __init colibri_pxa270_init(void)
{
	pxa2xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa270_pin_config));

	colibri_pxa270_nor_init();
	colibri_pxa270_eth_init();
	colibri_pxa270_tsc_init();

	switch (colibri_pxa270_baseboard) {
	case COLIBRI_PXA270_EVALBOARD:
		colibri_pxa270_evalboard_init();
		break;
	case COLIBRI_PXA270_INCOME:
		colibri_pxa270_income_boardinit();
		break;
	default:
		printk(KERN_ERR "Illegal colibri_pxa270_baseboard type %d\n",
				colibri_pxa270_baseboard);
	}
}

/* The "Income s.r.o. SH-Dmaster PXA270 SBC" board can be booted either
 * with the INCOME mach type or with COLIBRI and the kernel parameter
 * "colibri_pxa270_baseboard=1"
 */
static void __init colibri_pxa270_income_init(void)
{
	colibri_pxa270_baseboard = COLIBRI_PXA270_INCOME;
	colibri_pxa270_init();
}

MACHINE_START(COLIBRI, "Toradex Colibri PXA270")
	.phys_io	= 0x40000000,
	.io_pg_offst	= (io_p2v(0x40000000) >> 18) & 0xfffc,
	.boot_params	= COLIBRI_SDRAM_BASE + 0x100,
	.init_machine	= colibri_pxa270_init,
	.map_io		= pxa_map_io,
	.init_irq	= pxa27x_init_irq,
	.timer		= &pxa_timer,
MACHINE_END

MACHINE_START(INCOME, "Income s.r.o. SH-Dmaster PXA270 SBC")
	.phys_io	= 0x40000000,
	.io_pg_offst	= (io_p2v(0x40000000) >> 18) & 0xfffc,
	.boot_params	= 0xa0000100,
	.init_machine	= colibri_pxa270_income_init,
	.map_io		= pxa_map_io,
	.init_irq	= pxa27x_init_irq,
	.timer		= &pxa_timer,
MACHINE_END