aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/mach-at91/board-sam9rlek.c
blob: 39a28effc3df9d2443211e769c7d7de72508957d (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
/*
 *  Copyright (C) 2005 SAN People
 *  Copyright (C) 2007 Atmel Corporation
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file COPYING in the main directory of this archive for
 * more details.
 */

#include <linux/types.h>
#include <linux/gpio.h>
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
#include <linux/fb.h>
#include <linux/clk.h>
#include <linux/input.h>
#include <linux/gpio_keys.h>

#include <video/atmel_lcdc.h>

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

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

#include <mach/hardware.h>
#include <mach/board.h>
#include <mach/at91sam9_smc.h>
#include <mach/at91_shdwc.h>

#include "sam9_smc.h"
#include "generic.h"


static void __init ek_init_early(void)
{
	/* Initialize processor: 12.000 MHz crystal */
	at91_initialize(12000000);

	/* DBGU on ttyS0. (Rx & Tx only) */
	at91_register_uart(0, 0, 0);

	/* USART0 on ttyS1. (Rx, Tx, CTS, RTS) */
	at91_register_uart(AT91SAM9RL_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS);

	/* set serial console to ttyS0 (ie, DBGU) */
	at91_set_serial_console(0);
}

/*
 * USB HS Device port
 */
static struct usba_platform_data __initdata ek_usba_udc_data = {
	.vbus_pin	= AT91_PIN_PA8,
};


/*
 * MCI (SD/MMC)
 */
static struct at91_mmc_data __initdata ek_mmc_data = {
	.wire4		= 1,
	.det_pin	= AT91_PIN_PA15,
//	.wp_pin		= ... not connected
//	.vcc_pin	= ... not connected
};


/*
 * NAND flash
 */
static struct mtd_partition __initdata ek_nand_partition[] = {
	{
		.name	= "Partition 1",
		.offset	= 0,
		.size	= SZ_256K,
	},
	{
		.name	= "Partition 2",
		.offset	= MTDPART_OFS_NXTBLK,
		.size	= MTDPART_SIZ_FULL,
	},
};

static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
{
	*num_partitions = ARRAY_SIZE(ek_nand_partition);
	return ek_nand_partition;
}

static struct atmel_nand_data __initdata ek_nand_data = {
	.ale		= 21,
	.cle		= 22,
//	.det_pin	= ... not connected
	.rdy_pin	= AT91_PIN_PD17,
	.enable_pin	= AT91_PIN_PB6,
	.partition_info	= nand_partitions,
};

static struct sam9_smc_config __initdata ek_nand_smc_config = {
	.ncs_read_setup		= 0,
	.nrd_setup		= 1,
	.ncs_write_setup	= 0,
	.nwe_setup		= 1,

	.ncs_read_pulse		= 3,
	.nrd_pulse		= 3,
	.ncs_write_pulse	= 3,
	.nwe_pulse		= 3,

	.read_cycle		= 5,
	.write_cycle		= 5,

	.mode			= AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
	.tdf_cycles		= 2,
};

static void __init ek_add_device_nand(void)
{
	/* configure chip-select 3 (NAND) */
	sam9_smc_configure(3, &ek_nand_smc_config);

	at91_add_device_nand(&ek_nand_data);
}


/*
 * SPI devices
 */
static struct spi_board_info ek_spi_devices[] = {
	{	/* DataFlash chip */
		.modalias	= "mtd_dataflash",
		.chip_select	= 0,
		.max_speed_hz	= 15 * 1000 * 1000,
		.bus_num	= 0,
	},
};


/*
 * LCD Controller
 */
#if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
static struct fb_videomode at91_tft_vga_modes[] = {
	{
		.name		= "TX09D50VM1CCA @ 60",
		.refresh	= 60,
		.xres		= 240,		.yres		= 320,
		.pixclock	= KHZ2PICOS(4965),

		.left_margin	= 1,		.right_margin	= 33,
		.upper_margin	= 1,		.lower_margin	= 0,
		.hsync_len	= 5,		.vsync_len	= 1,

		.sync		= FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
		.vmode		= FB_VMODE_NONINTERLACED,
	},
};

static struct fb_monspecs at91fb_default_monspecs = {
	.manufacturer	= "HIT",
	.monitor	= "TX09D50VM1CCA",

	.modedb		= at91_tft_vga_modes,
	.modedb_len	= ARRAY_SIZE(at91_tft_vga_modes),
	.hfmin		= 15000,
	.hfmax		= 64000,
	.vfmin		= 50,
	.vfmax		= 150,
};

#define AT91SAM9RL_DEFAULT_LCDCON2	(ATMEL_LCDC_MEMOR_LITTLE \
					| ATMEL_LCDC_DISTYPE_TFT \
					| ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)

static void at91_lcdc_power_control(int on)
{
	if (on)
		at91_set_gpio_value(AT91_PIN_PC1, 0);	/* power up */
	else
		at91_set_gpio_value(AT91_PIN_PC1, 1);	/* power down */
}

/* Driver datas */
static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
	.lcdcon_is_backlight            = true,
	.default_bpp			= 16,
	.default_dmacon			= ATMEL_LCDC_DMAEN,
	.default_lcdcon2		= AT91SAM9RL_DEFAULT_LCDCON2,
	.default_monspecs		= &at91fb_default_monspecs,
	.atmel_lcdfb_power_control	= at91_lcdc_power_control,
	.guard_time			= 1,
	.lcd_wiring_mode		= ATMEL_LCDC_WIRING_RGB,
};

#else
static struct atmel_lcdfb_info __initdata ek_lcdc_data;
#endif


/*
 * AC97
 * reset_pin is not connected: NRST
 */
static struct ac97c_platform_data ek_ac97_data = {
};


/*
 * LEDs
 */
static struct gpio_led ek_leds[] = {
	{	/* "bottom" led, green, userled1 to be defined */
		.name			= "ds1",
		.gpio			= AT91_PIN_PD15,
		.active_low		= 1,
		.default_trigger	= "none",
	},
	{	/* "bottom" led, green, userled2 to be defined */
		.name			= "ds2",
		.gpio			= AT91_PIN_PD16,
		.active_low		= 1,
		.default_trigger	= "none",
	},
	{	/* "power" led, yellow */
		.name			= "ds3",
		.gpio			= AT91_PIN_PD14,
		.default_trigger	= "heartbeat",
	}
};


/*
 * Touchscreen
 */
static struct at91_tsadcc_data ek_tsadcc_data = {
	.adc_clock		= 1000000,
	.pendet_debounce	= 0x0f,
	.ts_sample_hold_time	= 0x03,
};


/*
 * GPIO Buttons
 */
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
static struct gpio_keys_button ek_buttons[] = {
	{
		.gpio		= AT91_PIN_PB0,
		.code		= BTN_2,
		.desc		= "Right Click",
		.active_low	= 1,
		.wakeup		= 1,
	},
	{
		.gpio		= AT91_PIN_PB1,
		.code		= BTN_1,
		.desc		= "Left Click",
		.active_low	= 1,
		.wakeup		= 1,
	}
};

static struct gpio_keys_platform_data ek_button_data = {
	.buttons	= ek_buttons,
	.nbuttons	= ARRAY_SIZE(ek_buttons),
};

static struct platform_device ek_button_device = {
	.name		= "gpio-keys",
	.id		= -1,
	.num_resources	= 0,
	.dev		= {
		.platform_data	= &ek_button_data,
	}
};

static void __init ek_add_device_buttons(void)
{
	at91_set_gpio_input(AT91_PIN_PB1, 1);	/* btn1 */
	at91_set_deglitch(AT91_PIN_PB1, 1);
	at91_set_gpio_input(AT91_PIN_PB0, 1);	/* btn2 */
	at91_set_deglitch(AT91_PIN_PB0, 1);

	platform_device_register(&ek_button_device);
}
#else
static void __init ek_add_device_buttons(void) {}
#endif


static void __init ek_board_init(void)
{
	/* Serial */
	at91_add_device_serial();
	/* USB HS */
	at91_add_device_usba(&ek_usba_udc_data);
	/* I2C */
	at91_add_device_i2c(NULL, 0);
	/* NAND */
	ek_add_device_nand();
	/* SPI */
	at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
	/* MMC */
	at91_add_device_mmc(0, &ek_mmc_data);
	/* LCD Controller */
	at91_add_device_lcdc(&ek_lcdc_data);
	/* AC97 */
	at91_add_device_ac97(&ek_ac97_data);
	/* Touch Screen Controller */
	at91_add_device_tsadcc(&ek_tsadcc_data);
	/* LEDs */
	at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
	/* Push Buttons */
	ek_add_device_buttons();
}

MACHINE_START(AT91SAM9RLEK, "Atmel AT91SAM9RL-EK")
	/* Maintainer: Atmel */
	.timer		= &at91sam926x_timer,
	.map_io		= at91_map_io,
	.init_early	= ek_init_early,
	.init_irq	= at91_init_irq_default,
	.init_machine	= ek_board_init,
MACHINE_END