summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-mx3/pcm037.c
blob: 5fce022114dece491665a5774945e45645030c69 (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
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
/*
 *  Copyright (C) 2008 Sascha Hauer, Pengutronix
 *
 * 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/platform_device.h>
#include <linux/mtd/physmap.h>
#include <linux/mtd/plat-ram.h>
#include <linux/memory.h>
#include <linux/gpio.h>
#include <linux/smc911x.h>
#include <linux/interrupt.h>
#include <linux/i2c.h>
#include <linux/i2c/at24.h>

#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <asm/mach/map.h>
#include <mach/common.h>
#include <mach/imx-uart.h>
#include <mach/iomux-mx3.h>
#include <mach/board-pcm037.h>
#include <mach/mxc_nand.h>
#include <mach/mmc.h>
#ifdef CONFIG_I2C_IMX
#include <mach/i2c.h>
#endif

#include "devices.h"

static struct physmap_flash_data pcm037_flash_data = {
	.width  = 2,
};

static struct resource pcm037_flash_resource = {
	.start	= 0xa0000000,
	.end	= 0xa1ffffff,
	.flags	= IORESOURCE_MEM,
};

static struct platform_device pcm037_flash = {
	.name	= "physmap-flash",
	.id	= 0,
	.dev	= {
		.platform_data  = &pcm037_flash_data,
	},
	.resource = &pcm037_flash_resource,
	.num_resources = 1,
};

static struct imxuart_platform_data uart_pdata = {
	.flags = IMXUART_HAVE_RTSCTS,
};

static struct resource smc911x_resources[] = {
	[0] = {
		.start		= CS1_BASE_ADDR + 0x300,
		.end		= CS1_BASE_ADDR + 0x300 + SZ_64K - 1,
		.flags		= IORESOURCE_MEM,
	},
	[1] = {
		.start		= IOMUX_TO_IRQ(MX31_PIN_GPIO3_1),
		.end		= IOMUX_TO_IRQ(MX31_PIN_GPIO3_1),
		.flags		= IORESOURCE_IRQ,
	},
};

static struct smc911x_platdata smc911x_info = {
	.flags		= SMC911X_USE_32BIT,
	.irq_flags	= IRQF_SHARED | IRQF_TRIGGER_LOW,
};

static struct platform_device pcm037_eth = {
	.name		= "smc911x",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(smc911x_resources),
	.resource	= smc911x_resources,
	.dev		= {
		.platform_data = &smc911x_info,
	},
};

static struct platdata_mtd_ram pcm038_sram_data = {
	.bankwidth = 2,
};

static struct resource pcm038_sram_resource = {
	.start = CS4_BASE_ADDR,
	.end   = CS4_BASE_ADDR + 512 * 1024 - 1,
	.flags = IORESOURCE_MEM,
};

static struct platform_device pcm037_sram_device = {
	.name = "mtd-ram",
	.id = 0,
	.dev = {
		.platform_data = &pcm038_sram_data,
	},
	.num_resources = 1,
	.resource = &pcm038_sram_resource,
};

static struct mxc_nand_platform_data pcm037_nand_board_info = {
	.width = 1,
	.hw_ecc = 1,
};

#ifdef CONFIG_I2C_IMX
static int i2c_1_pins[] = {
	MX31_PIN_CSPI2_MOSI__SCL,
	MX31_PIN_CSPI2_MISO__SDA,
};

static int pcm037_i2c_1_init(struct device *dev)
{
	return mxc_iomux_setup_multiple_pins(i2c_1_pins, ARRAY_SIZE(i2c_1_pins),
			"i2c-1");
}

static void pcm037_i2c_1_exit(struct device *dev)
{
	mxc_iomux_release_multiple_pins(i2c_1_pins, ARRAY_SIZE(i2c_1_pins));
}

static struct imxi2c_platform_data pcm037_i2c_1_data = {
	.bitrate = 100000,
	.init = pcm037_i2c_1_init,
	.exit = pcm037_i2c_1_exit,
};

static struct at24_platform_data board_eeprom = {
	.byte_len = 4096,
	.page_size = 32,
	.flags = AT24_FLAG_ADDR16,
};

static struct i2c_board_info pcm037_i2c_devices[] = {
       {
		I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */
		.platform_data = &board_eeprom,
	}, {
		I2C_BOARD_INFO("rtc-pcf8563", 0x51),
		.type = "pcf8563",
	}
};
#endif

static int sdhc1_pins[] = {
	MX31_PIN_SD1_DATA3__SD1_DATA3,
	MX31_PIN_SD1_DATA2__SD1_DATA2,
	MX31_PIN_SD1_DATA1__SD1_DATA1,
	MX31_PIN_SD1_DATA0__SD1_DATA0,
	MX31_PIN_SD1_CLK__SD1_CLK,
	MX31_PIN_SD1_CMD__SD1_CMD,
};

static int pcm970_sdhc1_init(struct device *dev, irq_handler_t h, void *data)
{
	return mxc_iomux_setup_multiple_pins(sdhc1_pins, ARRAY_SIZE(sdhc1_pins),
				"sdhc-1");
}

static void pcm970_sdhc1_exit(struct device *dev, void *data)
{
	mxc_iomux_release_multiple_pins(sdhc1_pins, ARRAY_SIZE(sdhc1_pins));
}

/* No card and rw detection at the moment */
static struct imxmmc_platform_data sdhc_pdata = {
	.init = pcm970_sdhc1_init,
	.exit = pcm970_sdhc1_exit,
};

static struct platform_device *devices[] __initdata = {
	&pcm037_flash,
	&pcm037_eth,
	&pcm037_sram_device,
};

static int uart0_pins[] = {
	MX31_PIN_CTS1__CTS1,
	MX31_PIN_RTS1__RTS1,
	MX31_PIN_TXD1__TXD1,
	MX31_PIN_RXD1__RXD1
};

static int uart2_pins[] = {
	MX31_PIN_CSPI3_MOSI__RXD3,
	MX31_PIN_CSPI3_MISO__TXD3
};

/*
 * Board specific initialization.
 */
static void __init mxc_board_init(void)
{
	platform_add_devices(devices, ARRAY_SIZE(devices));

	mxc_iomux_setup_multiple_pins(uart0_pins, ARRAY_SIZE(uart0_pins), "uart-0");
	mxc_register_device(&mxc_uart_device0, &uart_pdata);

	mxc_iomux_setup_multiple_pins(uart2_pins, ARRAY_SIZE(uart2_pins), "uart-2");
	mxc_register_device(&mxc_uart_device2, &uart_pdata);

	mxc_iomux_setup_pin(MX31_PIN_BATT_LINE__OWIRE, "batt-0wire");
	mxc_register_device(&mxc_w1_master_device, NULL);

	/* SMSC9215 IRQ pin */
	if (!mxc_iomux_setup_pin(IOMUX_MODE(MX31_PIN_GPIO3_1, IOMUX_CONFIG_GPIO),
				"pcm037-eth"))
		gpio_direction_input(MX31_PIN_GPIO3_1);

#ifdef CONFIG_I2C_IMX
	i2c_register_board_info(1, pcm037_i2c_devices,
			ARRAY_SIZE(pcm037_i2c_devices));

	mxc_register_device(&mxc_i2c_device1, &pcm037_i2c_1_data);
#endif
	mxc_register_device(&mxc_nand_device, &pcm037_nand_board_info);
	mxc_register_device(&mxcsdhc_device0, &sdhc_pdata);
}

static void __init pcm037_timer_init(void)
{
	mx31_clocks_init(26000000);
}

struct sys_timer pcm037_timer = {
	.init	= pcm037_timer_init,
};

MACHINE_START(PCM037, "Phytec Phycore pcm037")
	/* Maintainer: Pengutronix */
	.phys_io	= AIPS1_BASE_ADDR,
	.io_pg_offst	= ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
	.boot_params    = PHYS_OFFSET + 0x100,
	.map_io         = mxc_map_io,
	.init_irq       = mxc_init_irq,
	.init_machine   = mxc_board_init,
	.timer          = &pcm037_timer,
MACHINE_END

OpenPOWER on IntegriCloud