aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/mach-omap1/board-perseus2.c
blob: 69fda218fb4551cea4ddeeb1f925b2eaa74d7bf7 (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
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
/*
 * linux/arch/arm/mach-omap1/board-perseus2.c
 *
 * Modified from board-generic.c
 *
 * Original OMAP730 support by Jean Pihet <j-pihet@ti.com>
 * Updated for 2.6 by Kevin Hilman <kjh@hilman.org>
 *
 * 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/platform_device.h>
#include <linux/delay.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/input.h>
#include <linux/smc91x.h>

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

#include <plat/tc.h>
#include <mach/gpio.h>
#include <plat/mux.h>
#include <plat/fpga.h>
#include <plat/flash.h>
#include <plat/keypad.h>
#include <plat/common.h>
#include <plat/board.h>

static int p2_keymap[] = {
	KEY(0,0,KEY_UP),
	KEY(0,1,KEY_RIGHT),
	KEY(0,2,KEY_LEFT),
	KEY(0,3,KEY_DOWN),
	KEY(0,4,KEY_ENTER),
	KEY(1,0,KEY_F10),
	KEY(1,1,KEY_SEND),
	KEY(1,2,KEY_END),
	KEY(1,3,KEY_VOLUMEDOWN),
	KEY(1,4,KEY_VOLUMEUP),
	KEY(1,5,KEY_RECORD),
	KEY(2,0,KEY_F9),
	KEY(2,1,KEY_3),
	KEY(2,2,KEY_6),
	KEY(2,3,KEY_9),
	KEY(2,4,KEY_KPDOT),
	KEY(3,0,KEY_BACK),
	KEY(3,1,KEY_2),
	KEY(3,2,KEY_5),
	KEY(3,3,KEY_8),
	KEY(3,4,KEY_0),
	KEY(3,5,KEY_KPSLASH),
	KEY(4,0,KEY_HOME),
	KEY(4,1,KEY_1),
	KEY(4,2,KEY_4),
	KEY(4,3,KEY_7),
	KEY(4,4,KEY_KPASTERISK),
	KEY(4,5,KEY_POWER),
	0
};

static struct smc91x_platdata smc91x_info = {
	.flags	= SMC91X_USE_16BIT | SMC91X_NOWAIT,
	.leda	= RPC_LED_100_10,
	.ledb	= RPC_LED_TX_RX,
};

static struct resource smc91x_resources[] = {
	[0] = {
		.start	= H2P2_DBG_FPGA_ETHR_START,	/* Physical */
		.end	= H2P2_DBG_FPGA_ETHR_START + 0xf,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= INT_7XX_MPU_EXT_NIRQ,
		.end	= 0,
		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
	},
};

static struct mtd_partition nor_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 flash is a file system */
	{
	      .name		= "rootfs",
	      .offset		= MTDPART_OFS_APPEND,
	      .size		= MTDPART_SIZ_FULL,
	      .mask_flags	= 0
	},
};

static struct physmap_flash_data nor_data = {
	.width		= 2,
	.set_vpp	= omap1_set_vpp,
	.parts		= nor_partitions,
	.nr_parts	= ARRAY_SIZE(nor_partitions),
};

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

static struct platform_device nor_device = {
	.name		= "physmap-flash",
	.id		= 0,
	.dev		= {
		.platform_data	= &nor_data,
	},
	.num_resources	= 1,
	.resource	= &nor_resource,
};

static void nand_cmd_ctl(struct mtd_info *mtd, int cmd,	unsigned int ctrl)
{
	struct nand_chip *this = mtd->priv;
	unsigned long mask;

	if (cmd == NAND_CMD_NONE)
		return;

	mask = (ctrl & NAND_CLE) ? 0x02 : 0;
	if (ctrl & NAND_ALE)
		mask |= 0x04;
	writeb(cmd, (unsigned long)this->IO_ADDR_W | mask);
}

#define P2_NAND_RB_GPIO_PIN	62

static int nand_dev_ready(struct mtd_info *mtd)
{
	return gpio_get_value(P2_NAND_RB_GPIO_PIN);
}

static const char *part_probes[] = { "cmdlinepart", NULL };

static struct platform_nand_data nand_data = {
	.chip	= {
		.nr_chips		= 1,
		.chip_offset		= 0,
		.options		= NAND_SAMSUNG_LP_OPTIONS,
		.part_probe_types	= part_probes,
	},
	.ctrl	= {
		.cmd_ctrl	= nand_cmd_ctl,
		.dev_ready	= nand_dev_ready,
	},
};

static struct resource nand_resource = {
	.start		= OMAP_CS3_PHYS,
	.end		= OMAP_CS3_PHYS + SZ_4K - 1,
	.flags		= IORESOURCE_MEM,
};

static struct platform_device nand_device = {
	.name		= "gen_nand",
	.id		= 0,
	.dev		= {
		.platform_data	= &nand_data,
	},
	.num_resources	= 1,
	.resource	= &nand_resource,
};

static struct platform_device smc91x_device = {
	.name		= "smc91x",
	.id		= 0,
	.dev	= {
		.platform_data	= &smc91x_info,
	},
	.num_resources	= ARRAY_SIZE(smc91x_resources),
	.resource	= smc91x_resources,
};

static struct resource kp_resources[] = {
	[0] = {
		.start	= INT_7XX_MPUIO_KEYPAD,
		.end	= INT_7XX_MPUIO_KEYPAD,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct omap_kp_platform_data kp_data = {
	.rows		= 8,
	.cols		= 8,
	.keymap		= p2_keymap,
	.keymapsize	= ARRAY_SIZE(p2_keymap),
	.delay		= 4,
	.dbounce	= 1,
};

static struct platform_device kp_device = {
	.name		= "omap-keypad",
	.id		= -1,
	.dev		= {
		.platform_data = &kp_data,
	},
	.num_resources	= ARRAY_SIZE(kp_resources),
	.resource	= kp_resources,
};

static struct platform_device lcd_device = {
	.name		= "lcd_p2",
	.id		= -1,
};

static struct platform_device *devices[] __initdata = {
	&nor_device,
	&nand_device,
	&smc91x_device,
	&kp_device,
	&lcd_device,
};

static struct omap_lcd_config perseus2_lcd_config __initdata = {
	.ctrl_name	= "internal",
};

static struct omap_board_config_kernel perseus2_config[] __initdata = {
	{ OMAP_TAG_LCD,		&perseus2_lcd_config },
};

static void __init perseus2_init_smc91x(void)
{
	fpga_write(1, H2P2_DBG_FPGA_LAN_RESET);
	mdelay(50);
	fpga_write(fpga_read(H2P2_DBG_FPGA_LAN_RESET) & ~1,
		   H2P2_DBG_FPGA_LAN_RESET);
	mdelay(50);
}

static void __init omap_perseus2_init(void)
{
	perseus2_init_smc91x();

	if (gpio_request(P2_NAND_RB_GPIO_PIN, "NAND ready") < 0)
		BUG();
	gpio_direction_input(P2_NAND_RB_GPIO_PIN);

	omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
	omap_cfg_reg(M8_1610_FLASH_CS2B_WE);

	/* Mux pins for keypad */
	omap_cfg_reg(E2_7XX_KBR0);
	omap_cfg_reg(J7_7XX_KBR1);
	omap_cfg_reg(E1_7XX_KBR2);
	omap_cfg_reg(F3_7XX_KBR3);
	omap_cfg_reg(D2_7XX_KBR4);
	omap_cfg_reg(C2_7XX_KBC0);
	omap_cfg_reg(D3_7XX_KBC1);
	omap_cfg_reg(E4_7XX_KBC2);
	omap_cfg_reg(F4_7XX_KBC3);
	omap_cfg_reg(E3_7XX_KBC4);

	platform_add_devices(devices, ARRAY_SIZE(devices));

	omap_board_config = perseus2_config;
	omap_board_config_size = ARRAY_SIZE(perseus2_config);
	omap_serial_init();
	omap_register_i2c_bus(1, 100, NULL, 0);
}

static void __init omap_perseus2_init_irq(void)
{
	omap1_init_common_hw();
	omap_init_irq();
}
/* Only FPGA needs to be mapped here. All others are done with ioremap */
static struct map_desc omap_perseus2_io_desc[] __initdata = {
	{
		.virtual	= H2P2_DBG_FPGA_BASE,
		.pfn		= __phys_to_pfn(H2P2_DBG_FPGA_START),
		.length		= H2P2_DBG_FPGA_SIZE,
		.type		= MT_DEVICE
	}
};

static void __init omap_perseus2_map_io(void)
{
	omap1_map_common_io();
	iotable_init(omap_perseus2_io_desc,
		     ARRAY_SIZE(omap_perseus2_io_desc));

	/* Early, board-dependent init */

	/*
	 * Hold GSM Reset until needed
	 */
	omap_writew(omap_readw(OMAP7XX_DSP_M_CTL) & ~1, OMAP7XX_DSP_M_CTL);

	/*
	 * UARTs -> done automagically by 8250 driver
	 */

	/*
	 * CSx timings, GPIO Mux ... setup
	 */

	/* Flash: CS0 timings setup */
	omap_writel(0x0000fff3, OMAP7XX_FLASH_CFG_0);
	omap_writel(0x00000088, OMAP7XX_FLASH_ACFG_0);

	/*
	 * Ethernet support through the debug board
	 * CS1 timings setup
	 */
	omap_writel(0x0000fff3, OMAP7XX_FLASH_CFG_1);
	omap_writel(0x00000000, OMAP7XX_FLASH_ACFG_1);

	/*
	 * Configure MPU_EXT_NIRQ IO in IO_CONF9 register,
	 * It is used as the Ethernet controller interrupt
	 */
	omap_writel(omap_readl(OMAP7XX_IO_CONF_9) & 0x1FFFFFFF, OMAP7XX_IO_CONF_9);
}

MACHINE_START(OMAP_PERSEUS2, "OMAP730 Perseus2")
	/* Maintainer: Kevin Hilman <kjh@hilman.org> */
	.boot_params	= 0x10000100,
	.map_io		= omap_perseus2_map_io,
	.reserve	= omap_reserve,
	.init_irq	= omap_perseus2_init_irq,
	.init_machine	= omap_perseus2_init,
	.timer		= &omap_timer,
MACHINE_END