summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-mx3/mx31lilly.c
blob: 9ce029f554b9a8b1dab84efa3c133e9e94a47091 (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
/*
 *  LILLY-1131 module support
 *
 *    Copyright (c) 2009 Daniel Mack <daniel@caiaq.de>
 *
 *  based on code for other MX31 boards,
 *
 *    Copyright 2005-2007 Freescale Semiconductor
 *    Copyright (c) 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com>
 *    Copyright (C) 2009 Valentin Longchamp, EPFL Mobots group
 *
 * 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 <linux/types.h>
#include <linux/init.h>
#include <linux/clk.h>
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/smsc911x.h>
#include <linux/mtd/physmap.h>
#include <linux/spi/spi.h>
#include <linux/mfd/mc13783.h>

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

#include <mach/hardware.h>
#include <mach/common.h>
#include <mach/iomux-mx3.h>
#include <mach/board-mx31lilly.h>
#include <mach/spi.h>

#include "devices.h"

/*
 * This file contains module-specific initialization routines for LILLY-1131.
 * Initialization of peripherals found on the baseboard is implemented in the
 * appropriate baseboard support code.
 */

/* SMSC ethernet support */

static struct resource smsc91x_resources[] = {
	{
		.start	= CS4_BASE_ADDR,
		.end	= CS4_BASE_ADDR + 0xffff,
		.flags	= IORESOURCE_MEM,
	},
	{
		.start	= IOMUX_TO_IRQ(MX31_PIN_GPIO1_0),
		.end	= IOMUX_TO_IRQ(MX31_PIN_GPIO1_0),
		.flags	= IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
	}
};

static struct smsc911x_platform_config smsc911x_config = {
	.phy_interface	= PHY_INTERFACE_MODE_MII,
	.irq_polarity	= SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
	.irq_type	= SMSC911X_IRQ_TYPE_OPEN_DRAIN,
	.flags		= SMSC911X_USE_32BIT |
			  SMSC911X_SAVE_MAC_ADDRESS |
			  SMSC911X_FORCE_INTERNAL_PHY,
};

static struct platform_device smsc91x_device = {
	.name		= "smsc911x",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(smsc91x_resources),
	.resource	= smsc91x_resources,
	.dev		= {
		.platform_data = &smsc911x_config,
	}
};

/* NOR flash */
static struct physmap_flash_data nor_flash_data = {
	.width  = 2,
};

static struct resource nor_flash_resource = {
	.start	= 0xa0000000,
	.end	= 0xa1ffffff,
	.flags	= IORESOURCE_MEM,
};

static struct platform_device physmap_flash_device = {
	.name	= "physmap-flash",
	.id	= 0,
	.dev	= {
		.platform_data  = &nor_flash_data,
	},
	.resource = &nor_flash_resource,
	.num_resources = 1,
};

static struct platform_device *devices[] __initdata = {
	&smsc91x_device,
	&physmap_flash_device,
};

/* SPI */

static int spi_internal_chipselect[] = {
	MXC_SPI_CS(0),
	MXC_SPI_CS(1),
	MXC_SPI_CS(2),
};

static struct spi_imx_master spi0_pdata = {
	.chipselect = spi_internal_chipselect,
	.num_chipselect = ARRAY_SIZE(spi_internal_chipselect),
};

static struct spi_imx_master spi1_pdata = {
	.chipselect = spi_internal_chipselect,
	.num_chipselect = ARRAY_SIZE(spi_internal_chipselect),
};

static struct mc13783_platform_data mc13783_pdata __initdata = {
	.flags = MC13783_USE_RTC | MC13783_USE_TOUCHSCREEN,
};

static struct spi_board_info mc13783_dev __initdata = {
	.modalias	= "mc13783",
	.max_speed_hz	= 1000000,
	.bus_num	= 1,
	.chip_select	= 0,
	.platform_data	= &mc13783_pdata,
};

static int mx31lilly_baseboard;
core_param(mx31lilly_baseboard, mx31lilly_baseboard, int, 0444);

static void __init mx31lilly_board_init(void)
{
	switch (mx31lilly_baseboard) {
	case MX31LILLY_NOBOARD:
		break;
	case MX31LILLY_DB:
		mx31lilly_db_init();
		break;
	default:
		printk(KERN_ERR "Illegal mx31lilly_baseboard type %d\n",
			mx31lilly_baseboard);
	}

	mxc_iomux_alloc_pin(MX31_PIN_CS4__CS4, "Ethernet CS");

	/* SPI */
	mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SCLK__SCLK, "SPI1_CLK");
	mxc_iomux_alloc_pin(MX31_PIN_CSPI1_MOSI__MOSI, "SPI1_TX");
	mxc_iomux_alloc_pin(MX31_PIN_CSPI1_MISO__MISO, "SPI1_RX");
	mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SPI_RDY__SPI_RDY, "SPI1_RDY");
	mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SS0__SS0, "SPI1_SS0");
	mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SS1__SS1, "SPI1_SS1");
	mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SS2__SS2, "SPI1_SS2");

	mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SCLK__SCLK, "SPI2_CLK");
	mxc_iomux_alloc_pin(MX31_PIN_CSPI2_MOSI__MOSI, "SPI2_TX");
	mxc_iomux_alloc_pin(MX31_PIN_CSPI2_MISO__MISO, "SPI2_RX");
	mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SPI_RDY__SPI_RDY, "SPI2_RDY");
	mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SS0__SS0, "SPI2_SS0");
	mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SS1__SS1, "SPI2_SS1");
	mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SS2__SS2, "SPI2_SS2");

	mxc_register_device(&mxc_spi_device0, &spi0_pdata);
	mxc_register_device(&mxc_spi_device1, &spi1_pdata);
	spi_register_board_info(&mc13783_dev, 1);

	platform_add_devices(devices, ARRAY_SIZE(devices));
}

static void __init mx31lilly_timer_init(void)
{
	mx31_clocks_init(26000000);
}

static struct sys_timer mx31lilly_timer = {
	.init	= mx31lilly_timer_init,
};

MACHINE_START(LILLY1131, "INCO startec LILLY-1131")
	.phys_io	= AIPS1_BASE_ADDR,
	.io_pg_offst	= ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
	.boot_params	= PHYS_OFFSET + 0x100,
	.map_io		= mx31_map_io,
	.init_irq	= mx31_init_irq,
	.init_machine	= mx31lilly_board_init,
	.timer		= &mx31lilly_timer,
MACHINE_END