summaryrefslogtreecommitdiff
path: root/arch/arm/mach-omap1/board-innovator.c
blob: df0312b596e484a6e79cf5356c767020e8d55c54 (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
286
287
288
289
290
291
292
/*
 * linux/arch/arm/mach-omap1/board-innovator.c
 *
 * Board specific inits for OMAP-1510 and OMAP-1610 Innovator
 *
 * Copyright (C) 2001 RidgeRun, Inc.
 * Author: Greg Lonnon <glonnon@ridgerun.com>
 *
 * Copyright (C) 2002 MontaVista Software, Inc.
 *
 * Separated FPGA interrupts from innovator1510.c and cleaned up for 2.6
 * Copyright (C) 2004 Nokia Corporation by Tony Lindrgen <tony@atomide.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/kernel.h>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/delay.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/flash.h>
#include <asm/mach/map.h>

#include <asm/arch/mux.h>
#include <asm/arch/fpga.h>
#include <asm/arch/gpio.h>
#include <asm/arch/tc.h>
#include <asm/arch/usb.h>
#include <asm/arch/common.h>

static int __initdata innovator_serial_ports[OMAP_MAX_NR_PORTS] = {1, 1, 1};

static struct mtd_partition innovator_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
	},
	/* rest of flash1 is a file system */
	{
	      .name		= "rootfs",
	      .offset		= MTDPART_OFS_APPEND,
	      .size		= SZ_16M - SZ_2M - 2 * SZ_128K,
	      .mask_flags	= 0
	},
	/* file system */
	{
	      .name		= "filesystem",
	      .offset		= MTDPART_OFS_APPEND,
	      .size		= MTDPART_SIZ_FULL,
	      .mask_flags	= 0
	}
};

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

static struct resource innovator_flash_resource = {
	.start		= OMAP_CS0_PHYS,
	.end		= OMAP_CS0_PHYS + SZ_32M - 1,
	.flags		= IORESOURCE_MEM,
};

static struct platform_device innovator_flash_device = {
	.name		= "omapflash",
	.id		= 0,
	.dev		= {
		.platform_data	= &innovator_flash_data,
	},
	.num_resources	= 1,
	.resource	= &innovator_flash_resource,
};

#ifdef CONFIG_ARCH_OMAP1510

/* Only FPGA needs to be mapped here. All others are done with ioremap */
static struct map_desc innovator1510_io_desc[] __initdata = {
{ OMAP1510_FPGA_BASE, OMAP1510_FPGA_START, OMAP1510_FPGA_SIZE,
	MT_DEVICE },
};

static struct resource innovator1510_smc91x_resources[] = {
	[0] = {
		.start	= OMAP1510_FPGA_ETHR_START,	/* Physical */
		.end	= OMAP1510_FPGA_ETHR_START + 0xf,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= OMAP1510_INT_ETHER,
		.end	= OMAP1510_INT_ETHER,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device innovator1510_smc91x_device = {
	.name		= "smc91x",
	.id		= 0,
	.num_resources	= ARRAY_SIZE(innovator1510_smc91x_resources),
	.resource	= innovator1510_smc91x_resources,
};

static struct platform_device *innovator1510_devices[] __initdata = {
	&innovator_flash_device,
	&innovator1510_smc91x_device,
};

#endif /* CONFIG_ARCH_OMAP1510 */

#ifdef CONFIG_ARCH_OMAP16XX

static struct resource innovator1610_smc91x_resources[] = {
	[0] = {
		.start	= INNOVATOR1610_ETHR_START,		/* Physical */
		.end	= INNOVATOR1610_ETHR_START + 0xf,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= OMAP_GPIO_IRQ(0),
		.end	= OMAP_GPIO_IRQ(0),
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device innovator1610_smc91x_device = {
	.name		= "smc91x",
	.id		= 0,
	.num_resources	= ARRAY_SIZE(innovator1610_smc91x_resources),
	.resource	= innovator1610_smc91x_resources,
};

static struct platform_device *innovator1610_devices[] __initdata = {
	&innovator_flash_device,
	&innovator1610_smc91x_device,
};

#endif /* CONFIG_ARCH_OMAP16XX */

static void __init innovator_init_smc91x(void)
{
	if (cpu_is_omap1510()) {
		fpga_write(fpga_read(OMAP1510_FPGA_RST) & ~1,
			   OMAP1510_FPGA_RST);
		udelay(750);
	} else {
		if ((omap_request_gpio(0)) < 0) {
			printk("Error requesting gpio 0 for smc91x irq\n");
			return;
		}
	}
}

void innovator_init_irq(void)
{
	omap_init_irq();
	omap_gpio_init();
#ifdef CONFIG_ARCH_OMAP1510
	if (cpu_is_omap1510()) {
		omap1510_fpga_init_irq();
	}
#endif
	innovator_init_smc91x();
}

#ifdef CONFIG_ARCH_OMAP1510
static struct omap_usb_config innovator1510_usb_config __initdata = {
	/* for bundled non-standard host and peripheral cables */
	.hmc_mode	= 4,

	.register_host	= 1,
	.pins[1]	= 6,
	.pins[2]	= 6,		/* Conflicts with UART2 */

	.register_dev	= 1,
	.pins[0]	= 2,
};
#endif

#ifdef CONFIG_ARCH_OMAP16XX
static struct omap_usb_config h2_usb_config __initdata = {
	/* usb1 has a Mini-AB port and external isp1301 transceiver */
	.otg		= 2,

#ifdef	CONFIG_USB_GADGET_OMAP
	.hmc_mode	= 19,	// 0:host(off) 1:dev|otg 2:disabled
	// .hmc_mode	= 21,	// 0:host(off) 1:dev(loopback) 2:host(loopback)
#elif	defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
	/* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
	.hmc_mode	= 20,	// 1:dev|otg(off) 1:host 2:disabled
#endif

	.pins[1]	= 3,
};
#endif

static struct omap_mmc_config innovator_mmc_config __initdata = {
	.mmc [0] = {
		.enabled 	= 1,
		.wire4		= 1,
		.wp_pin		= OMAP_MPUIO(3),
		.power_pin	= -1,	/* FPGA F3 UIO42 */
		.switch_pin	= -1,	/* FPGA F4 UIO43 */
	},
};

static struct omap_board_config_kernel innovator_config[] = {
	{ OMAP_TAG_USB,         NULL },
	{ OMAP_TAG_MMC,		&innovator_mmc_config },
};

static void __init innovator_init(void)
{
#ifdef CONFIG_ARCH_OMAP1510
	if (cpu_is_omap1510()) {
		platform_add_devices(innovator1510_devices, ARRAY_SIZE(innovator1510_devices));
	}
#endif
#ifdef CONFIG_ARCH_OMAP16XX
	if (!cpu_is_omap1510()) {
		platform_add_devices(innovator1610_devices, ARRAY_SIZE(innovator1610_devices));
	}
#endif

#ifdef CONFIG_ARCH_OMAP1510
	if (cpu_is_omap1510())
		innovator_config[0].data = &innovator1510_usb_config;
#endif
#ifdef CONFIG_ARCH_OMAP16XX
	if (cpu_is_omap1610())
		innovator_config[0].data = &h2_usb_config;
#endif
	omap_board_config = innovator_config;
	omap_board_config_size = ARRAY_SIZE(innovator_config);
}

static void __init innovator_map_io(void)
{
	omap_map_common_io();

#ifdef CONFIG_ARCH_OMAP1510
	if (cpu_is_omap1510()) {
		iotable_init(innovator1510_io_desc, ARRAY_SIZE(innovator1510_io_desc));
		udelay(10);	/* Delay needed for FPGA */

		/* Dump the Innovator FPGA rev early - useful info for support. */
		printk("Innovator FPGA Rev %d.%d Board Rev %d\n",
		       fpga_read(OMAP1510_FPGA_REV_HIGH),
		       fpga_read(OMAP1510_FPGA_REV_LOW),
		       fpga_read(OMAP1510_FPGA_BOARD_REV));
	}
#endif
	omap_serial_init(innovator_serial_ports);
}

MACHINE_START(OMAP_INNOVATOR, "TI-Innovator")
	/* Maintainer: MontaVista Software, Inc. */
	.phys_ram	= 0x10000000,
	.phys_io	= 0xfff00000,
	.io_pg_offst	= ((0xfef00000) >> 18) & 0xfffc,
	.boot_params	= 0x10000100,
	.map_io		= innovator_map_io,
	.init_irq	= innovator_init_irq,
	.init_machine	= innovator_init,
	.timer		= &omap_timer,
MACHINE_END