summaryrefslogtreecommitdiff
path: root/arch/arm/mach-s3c/mach-qt2410.c
blob: ea7af23b0ac70ee79de92b52c9a14d05cc98ec83 (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
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
// SPDX-License-Identifier: GPL-2.0+
//
// Copyright (C) 2006 by OpenMoko, Inc.
// Author: Harald Welte <laforge@openmoko.org>
// All rights reserved.

#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/timer.h>
#include <linux/init.h>
#include <linux/gpio.h>
#include <linux/gpio/machine.h>
#include <linux/device.h>
#include <linux/platform_device.h>
#include <linux/serial_core.h>
#include <linux/serial_s3c.h>
#include <linux/spi/spi.h>
#include <linux/spi/spi_gpio.h>
#include <linux/io.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/rawnand.h>
#include <linux/mtd/nand_ecc.h>
#include <linux/mtd/partitions.h>

#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>

#include <asm/irq.h>
#include <asm/mach-types.h>

#include <linux/platform_data/leds-s3c24xx.h>
#include <linux/platform_data/fb-s3c2410.h>
#include <linux/platform_data/mtd-nand-s3c2410.h>
#include <linux/platform_data/usb-s3c2410_udc.h>
#include <linux/platform_data/i2c-s3c2410.h>
#include <mach/gpio-samsung.h>

#include <plat/gpio-cfg.h>
#include <plat/devs.h>
#include <plat/cpu.h>
#include <plat/pm.h>

#include "s3c24xx.h"
#include "common-smdk-s3c24xx.h"

static struct map_desc qt2410_iodesc[] __initdata = {
	{ 0xe0000000, __phys_to_pfn(S3C2410_CS3+0x01000000), SZ_1M, MT_DEVICE }
};

#define UCON S3C2410_UCON_DEFAULT
#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE

static struct s3c2410_uartcfg smdk2410_uartcfgs[] = {
	[0] = {
		.hwport	     = 0,
		.flags	     = 0,
		.ucon	     = UCON,
		.ulcon	     = ULCON,
		.ufcon	     = UFCON,
	},
	[1] = {
		.hwport	     = 1,
		.flags	     = 0,
		.ucon	     = UCON,
		.ulcon	     = ULCON,
		.ufcon	     = UFCON,
	},
	[2] = {
		.hwport	     = 2,
		.flags	     = 0,
		.ucon	     = UCON,
		.ulcon	     = ULCON,
		.ufcon	     = UFCON,
	}
};

/* LCD driver info */

static struct s3c2410fb_display qt2410_lcd_cfg[] __initdata = {
	{
		/* Configuration for 640x480 SHARP LQ080V3DG01 */
		.lcdcon5 = S3C2410_LCDCON5_FRM565 |
			   S3C2410_LCDCON5_INVVLINE |
			   S3C2410_LCDCON5_INVVFRAME |
			   S3C2410_LCDCON5_PWREN |
			   S3C2410_LCDCON5_HWSWP,

		.type		= S3C2410_LCDCON1_TFT,
		.width		= 640,
		.height		= 480,

		.pixclock	= 40000, /* HCLK/4 */
		.xres		= 640,
		.yres		= 480,
		.bpp		= 16,
		.left_margin	= 44,
		.right_margin	= 116,
		.hsync_len	= 96,
		.upper_margin	= 19,
		.lower_margin	= 11,
		.vsync_len	= 15,
	},
	{
		/* Configuration for 480x640 toppoly TD028TTEC1 */
		.lcdcon5 = S3C2410_LCDCON5_FRM565 |
			   S3C2410_LCDCON5_INVVLINE |
			   S3C2410_LCDCON5_INVVFRAME |
			   S3C2410_LCDCON5_PWREN |
			   S3C2410_LCDCON5_HWSWP,

		.type		= S3C2410_LCDCON1_TFT,
		.width		= 480,
		.height		= 640,
		.pixclock	= 40000, /* HCLK/4 */
		.xres		= 480,
		.yres		= 640,
		.bpp		= 16,
		.left_margin	= 8,
		.right_margin	= 24,
		.hsync_len	= 8,
		.upper_margin	= 2,
		.lower_margin	= 4,
		.vsync_len	= 2,
	},
	{
		/* Config for 240x320 LCD */
		.lcdcon5 = S3C2410_LCDCON5_FRM565 |
			   S3C2410_LCDCON5_INVVLINE |
			   S3C2410_LCDCON5_INVVFRAME |
			   S3C2410_LCDCON5_PWREN |
			   S3C2410_LCDCON5_HWSWP,

		.type		= S3C2410_LCDCON1_TFT,
		.width		= 240,
		.height		= 320,
		.pixclock	= 100000, /* HCLK/10 */
		.xres		= 240,
		.yres		= 320,
		.bpp		= 16,
		.left_margin	= 13,
		.right_margin	= 8,
		.hsync_len	= 4,
		.upper_margin	= 2,
		.lower_margin	= 7,
		.vsync_len	= 4,
	},
};


static struct s3c2410fb_mach_info qt2410_fb_info __initdata = {
	.displays 	= qt2410_lcd_cfg,
	.num_displays 	= ARRAY_SIZE(qt2410_lcd_cfg),
	.default_display = 0,

	.lpcsel		= ((0xCE6) & ~7) | 1<<4,
};

/* CS8900 */

static struct resource qt2410_cs89x0_resources[] = {
	[0] = DEFINE_RES_MEM(0x19000000, 17),
	[1] = DEFINE_RES_IRQ(IRQ_EINT9),
};

static struct platform_device qt2410_cs89x0 = {
	.name		= "cirrus-cs89x0",
	.num_resources	= ARRAY_SIZE(qt2410_cs89x0_resources),
	.resource	= qt2410_cs89x0_resources,
};

/* LED */

static struct gpiod_lookup_table qt2410_led_gpio_table = {
	.dev_id = "s3c24xx_led.0",
	.table = {
		GPIO_LOOKUP("GPB", 0, NULL, GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN),
		{ },
	},
};

static struct s3c24xx_led_platdata qt2410_pdata_led = {
	.name		= "led",
	.def_trigger	= "timer",
};

static struct platform_device qt2410_led = {
	.name		= "s3c24xx_led",
	.id		= 0,
	.dev		= {
		.platform_data = &qt2410_pdata_led,
	},
};

/* SPI */

static struct spi_gpio_platform_data spi_gpio_cfg = {
	.num_chipselect	= 1,
};

static struct platform_device qt2410_spi = {
	.name		= "spi_gpio",
	.id		= 1,
	.dev.platform_data = &spi_gpio_cfg,
};

static struct gpiod_lookup_table qt2410_spi_gpiod_table = {
	.dev_id         = "spi_gpio",
	.table          = {
		GPIO_LOOKUP("GPIOG", 7,
			    "sck", GPIO_ACTIVE_HIGH),
		GPIO_LOOKUP("GPIOG", 6,
			    "mosi", GPIO_ACTIVE_HIGH),
		GPIO_LOOKUP("GPIOG", 5,
			    "miso", GPIO_ACTIVE_HIGH),
		GPIO_LOOKUP("GPIOB", 5,
			    "cs", GPIO_ACTIVE_HIGH),
		{ },
	},
};

static struct gpiod_lookup_table qt2410_mmc_gpiod_table = {
	.dev_id = "s3c2410-sdi",
	.table = {
		/* bus pins */
		GPIO_LOOKUP_IDX("GPIOE",  5, "bus", 0, GPIO_ACTIVE_HIGH),
		GPIO_LOOKUP_IDX("GPIOE",  6, "bus", 1, GPIO_ACTIVE_HIGH),
		GPIO_LOOKUP_IDX("GPIOE",  7, "bus", 2, GPIO_ACTIVE_HIGH),
		GPIO_LOOKUP_IDX("GPIOE",  8, "bus", 3, GPIO_ACTIVE_HIGH),
		GPIO_LOOKUP_IDX("GPIOE",  9, "bus", 4, GPIO_ACTIVE_HIGH),
		GPIO_LOOKUP_IDX("GPIOE", 10, "bus", 5, GPIO_ACTIVE_HIGH),
		{ },
	},
};

/* Board devices */

static struct platform_device *qt2410_devices[] __initdata = {
	&s3c_device_ohci,
	&s3c_device_lcd,
	&s3c_device_wdt,
	&s3c_device_i2c0,
	&s3c_device_iis,
	&s3c_device_sdi,
	&s3c_device_usbgadget,
	&qt2410_spi,
	&qt2410_cs89x0,
	&qt2410_led,
};

static struct mtd_partition __initdata qt2410_nand_part[] = {
	[0] = {
		.name	= "U-Boot",
		.size	= 0x30000,
		.offset	= 0,
	},
	[1] = {
		.name	= "U-Boot environment",
		.offset = 0x30000,
		.size	= 0x4000,
	},
	[2] = {
		.name	= "kernel",
		.offset = 0x34000,
		.size	= SZ_2M,
	},
	[3] = {
		.name	= "initrd",
		.offset	= 0x234000,
		.size	= SZ_4M,
	},
	[4] = {
		.name	= "jffs2",
		.offset = 0x634000,
		.size	= 0x39cc000,
	},
};

static struct s3c2410_nand_set __initdata qt2410_nand_sets[] = {
	[0] = {
		.name		= "NAND",
		.nr_chips	= 1,
		.nr_partitions	= ARRAY_SIZE(qt2410_nand_part),
		.partitions	= qt2410_nand_part,
	},
};

/* choose a set of timings which should suit most 512Mbit
 * chips and beyond.
 */

static struct s3c2410_platform_nand __initdata qt2410_nand_info = {
	.tacls		= 20,
	.twrph0		= 60,
	.twrph1		= 20,
	.nr_sets	= ARRAY_SIZE(qt2410_nand_sets),
	.sets		= qt2410_nand_sets,
	.ecc_mode       = NAND_ECC_SOFT,
};

/* UDC */

static struct s3c2410_udc_mach_info qt2410_udc_cfg = {
};

static char tft_type = 's';

static int __init qt2410_tft_setup(char *str)
{
	tft_type = str[0];
	return 1;
}

__setup("tft=", qt2410_tft_setup);

static void __init qt2410_map_io(void)
{
	s3c24xx_init_io(qt2410_iodesc, ARRAY_SIZE(qt2410_iodesc));
	s3c24xx_init_uarts(smdk2410_uartcfgs, ARRAY_SIZE(smdk2410_uartcfgs));
	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
}

static void __init qt2410_init_time(void)
{
	s3c2410_init_clocks(12000000);
	samsung_timer_init();
}

static void __init qt2410_machine_init(void)
{
	s3c_nand_set_platdata(&qt2410_nand_info);

	switch (tft_type) {
	case 'p': /* production */
		qt2410_fb_info.default_display = 1;
		break;
	case 'b': /* big */
		qt2410_fb_info.default_display = 0;
		break;
	case 's': /* small */
	default:
		qt2410_fb_info.default_display = 2;
		break;
	}
	s3c24xx_fb_set_platdata(&qt2410_fb_info);

	/* set initial state of the LED GPIO */
	WARN_ON(gpio_request_one(S3C2410_GPB(0), GPIOF_OUT_INIT_HIGH, NULL));
	gpio_free(S3C2410_GPB(0));

	s3c24xx_udc_set_platdata(&qt2410_udc_cfg);
	s3c_i2c0_set_platdata(NULL);

	/* Configure the I2S pins (GPE0...GPE4) in correct mode */
	s3c_gpio_cfgall_range(S3C2410_GPE(0), 5, S3C_GPIO_SFN(2),
			      S3C_GPIO_PULL_NONE);
	gpiod_add_lookup_table(&qt2410_spi_gpiod_table);
	s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE);
	gpiod_add_lookup_table(&qt2410_led_gpio_table);
	gpiod_add_lookup_table(&qt2410_mmc_gpiod_table);
	platform_add_devices(qt2410_devices, ARRAY_SIZE(qt2410_devices));
	s3c_pm_init();
}

MACHINE_START(QT2410, "QT2410")
	.atag_offset	= 0x100,
	.map_io		= qt2410_map_io,
	.init_irq	= s3c2410_init_irq,
	.init_machine	= qt2410_machine_init,
	.init_time	= qt2410_init_time,
MACHINE_END