aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-omap1/board-osk.c
blob: e990e1bc16696cea8e0b53e1b48409c72e33fbb5 (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
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
/*
 * linux/arch/arm/mach-omap1/board-osk.c
 *
 * Board specific init for OMAP5912 OSK
 *
 * Written by Dirk Behme <dirk.behme@de.bosch.com>
 *
 * 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * 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.,
 * 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/interrupt.h>

#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.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/usb.h>
#include <asm/arch/mux.h>
#include <asm/arch/tc.h>
#include <asm/arch/common.h>

static struct mtd_partition osk_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,
	}, {
	      .name		= "kernel",
	      .offset		= MTDPART_OFS_APPEND,
	      .size		= SZ_2M,
	      .mask_flags	= 0
	}, {
	      .name		= "filesystem",
	      .offset		= MTDPART_OFS_APPEND,
	      .size		= MTDPART_SIZ_FULL,
	      .mask_flags	= 0
	}
};

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

static struct resource osk_flash_resource = {
	/* this is on CS3, wherever it's mapped */
	.flags		= IORESOURCE_MEM,
};

static struct platform_device osk5912_flash_device = {
	.name		= "omapflash",
	.id		= 0,
	.dev		= {
		.platform_data	= &osk_flash_data,
	},
	.num_resources	= 1,
	.resource	= &osk_flash_resource,
};

static struct resource osk5912_smc91x_resources[] = {
	[0] = {
		.start	= OMAP_OSK_ETHR_START,		/* Physical */
		.end	= OMAP_OSK_ETHR_START + 0xf,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= OMAP_GPIO_IRQ(0),
		.end	= OMAP_GPIO_IRQ(0),
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device osk5912_smc91x_device = {
	.name		= "smc91x",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(osk5912_smc91x_resources),
	.resource	= osk5912_smc91x_resources,
};

static struct resource osk5912_cf_resources[] = {
	[0] = {
		.start	= OMAP_GPIO_IRQ(62),
		.end	= OMAP_GPIO_IRQ(62),
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device osk5912_cf_device = {
	.name		= "omap_cf",
	.id		= -1,
	.dev = {
		.platform_data	= (void *) 2 /* CS2 */,
	},
	.num_resources	= ARRAY_SIZE(osk5912_cf_resources),
	.resource	= osk5912_cf_resources,
};

static struct platform_device osk5912_mcbsp1_device = {
	.name		= "omap_mcbsp",
	.id		= 1,
};

static struct platform_device *osk5912_devices[] __initdata = {
	&osk5912_flash_device,
	&osk5912_smc91x_device,
	&osk5912_cf_device,
	&osk5912_mcbsp1_device,
};

static void __init osk_init_smc91x(void)
{
	if ((omap_request_gpio(0)) < 0) {
		printk("Error requesting gpio 0 for smc91x irq\n");
		return;
	}

	/* Check EMIFS wait states to fix errors with SMC_GET_PKT_HDR */
	EMIFS_CCS(1) |= 0x3;
}

static void __init osk_init_cf(void)
{
	omap_cfg_reg(M7_1610_GPIO62);
	if ((omap_request_gpio(62)) < 0) {
		printk("Error requesting gpio 62 for CF irq\n");
		return;
	}
	/* the CF I/O IRQ is really active-low */
	set_irq_type(OMAP_GPIO_IRQ(62), IRQT_FALLING);
}

static void __init osk_init_irq(void)
{
	omap_init_irq();
	omap_gpio_init();
	osk_init_smc91x();
	osk_init_cf();
}

static struct omap_usb_config osk_usb_config __initdata = {
	/* has usb host connector (A) ... for development it can also
	 * be used, with a NONSTANDARD gender-bending cable/dongle, as
	 * a peripheral.
	 */
#ifdef	CONFIG_USB_GADGET_OMAP
	.register_dev	= 1,
	.hmc_mode	= 0,
#else
	.register_host	= 1,
	.hmc_mode	= 16,
	.rwc		= 1,
#endif
	.pins[0]	= 2,
};

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

static struct omap_lcd_config osk_lcd_config __initdata = {
	.panel_name	= "osk",
	.ctrl_name	= "internal",
};

static struct omap_board_config_kernel osk_config[] = {
	{ OMAP_TAG_USB,           &osk_usb_config },
	{ OMAP_TAG_UART,		&osk_uart_config },
	{ OMAP_TAG_LCD,			&osk_lcd_config },
};

#ifdef	CONFIG_OMAP_OSK_MISTRAL

#ifdef	CONFIG_PM
static irqreturn_t
osk_mistral_wake_interrupt(int irq, void *ignored, struct pt_regs *regs)
{
	return IRQ_HANDLED;
}
#endif

static void __init osk_mistral_init(void)
{
	/* FIXME here's where to feed in framebuffer, touchpad, and
	 * keyboard setup ...  not in the drivers for those devices!
	 *
	 * NOTE:  we could actually tell if there's a Mistral board
	 * attached, e.g. by trying to read something from the ads7846.
	 * But this is too early for that...
	 */

	/* the sideways button (SW1) is for use as a "wakeup" button */
	omap_cfg_reg(N15_1610_MPUIO2);
	if (omap_request_gpio(OMAP_MPUIO(2)) == 0) {
		int ret = 0;
		omap_set_gpio_direction(OMAP_MPUIO(2), 1);
		set_irq_type(OMAP_GPIO_IRQ(OMAP_MPUIO(2)), IRQT_RISING);
#ifdef	CONFIG_PM
		/* share the IRQ in case someone wants to use the
		 * button for more than wakeup from system sleep.
		 */
		ret = request_irq(OMAP_GPIO_IRQ(OMAP_MPUIO(2)),
				&osk_mistral_wake_interrupt,
				SA_SHIRQ, "mistral_wakeup",
				&osk_mistral_wake_interrupt);
		if (ret != 0) {
			omap_free_gpio(OMAP_MPUIO(2));
			printk(KERN_ERR "OSK+Mistral: no wakeup irq, %d?\n",
				ret);
		} else
			enable_irq_wake(OMAP_GPIO_IRQ(OMAP_MPUIO(2)));
#endif
	} else
		printk(KERN_ERR "OSK+Mistral: wakeup button is awol\n");
}
#else
static void __init osk_mistral_init(void) { }
#endif

static void __init osk_init(void)
{
	osk_flash_resource.end = osk_flash_resource.start = omap_cs3_phys();
	osk_flash_resource.end += SZ_32M - 1;
	platform_add_devices(osk5912_devices, ARRAY_SIZE(osk5912_devices));
	omap_board_config = osk_config;
	omap_board_config_size = ARRAY_SIZE(osk_config);
	USB_TRANSCEIVER_CTRL_REG |= (3 << 1);

	omap_serial_init();
	osk_mistral_init();
}

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

MACHINE_START(OMAP_OSK, "TI-OSK")
	/* Maintainer: Dirk Behme <dirk.behme@de.bosch.com> */
	.phys_ram	= 0x10000000,
	.phys_io	= 0xfff00000,
	.io_pg_offst	= ((0xfef00000) >> 18) & 0xfffc,
	.boot_params	= 0x10000100,
	.map_io		= osk_map_io,
	.init_irq	= osk_init_irq,
	.init_machine	= osk_init,
	.timer		= &omap_timer,
MACHINE_END