1 /*
2 * Board-specific setup code for the AT91SAM9M10G45 Evaluation Kit family
3 *
4 * Covers: * AT91SAM9G45-EKES board
5 * * AT91SAM9M10G45-EK board
6 *
7 * Copyright (C) 2009 Atmel Corporation.
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 */
15
16 #include <linux/types.h>
17 #include <linux/gpio.h>
18 #include <linux/init.h>
19 #include <linux/mm.h>
20 #include <linux/module.h>
21 #include <linux/platform_device.h>
22 #include <linux/spi/spi.h>
23 #include <linux/fb.h>
24 #include <linux/gpio_keys.h>
25 #include <linux/input.h>
26 #include <linux/leds.h>
27 #include <linux/clk.h>
28 #include <linux/atmel-mci.h>
29
30 #include <mach/hardware.h>
31 #include <video/atmel_lcdc.h>
32
33 #include <asm/setup.h>
34 #include <asm/mach-types.h>
35 #include <asm/irq.h>
36
37 #include <asm/mach/arch.h>
38 #include <asm/mach/map.h>
39 #include <asm/mach/irq.h>
40
41 #include <mach/board.h>
42 #include <mach/at91sam9_smc.h>
43 #include <mach/at91_shdwc.h>
44 #include <mach/system_rev.h>
45
46 #include "sam9_smc.h"
47 #include "generic.h"
48
49
ek_init_early(void)50 static void __init ek_init_early(void)
51 {
52 /* Initialize processor: 12.000 MHz crystal */
53 at91_initialize(12000000);
54
55 /* DGBU on ttyS0. (Rx & Tx only) */
56 at91_register_uart(0, 0, 0);
57
58 /* USART0 not connected on the -EK board */
59 /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
60 at91_register_uart(AT91SAM9G45_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
61
62 /* set serial console to ttyS0 (ie, DBGU) */
63 at91_set_serial_console(0);
64 }
65
66 /*
67 * USB HS Host port (common to OHCI & EHCI)
68 */
69 static struct at91_usbh_data __initdata ek_usbh_hs_data = {
70 .ports = 2,
71 .vbus_pin = {AT91_PIN_PD1, AT91_PIN_PD3},
72 .overcurrent_pin= {-EINVAL, -EINVAL},
73 };
74
75
76 /*
77 * USB HS Device port
78 */
79 static struct usba_platform_data __initdata ek_usba_udc_data = {
80 .vbus_pin = AT91_PIN_PB19,
81 };
82
83
84 /*
85 * SPI devices.
86 */
87 static struct spi_board_info ek_spi_devices[] = {
88 { /* DataFlash chip */
89 .modalias = "mtd_dataflash",
90 .chip_select = 0,
91 .max_speed_hz = 15 * 1000 * 1000,
92 .bus_num = 0,
93 },
94 };
95
96
97 /*
98 * MCI (SD/MMC)
99 */
100 static struct mci_platform_data __initdata mci0_data = {
101 .slot[0] = {
102 .bus_width = 4,
103 .detect_pin = AT91_PIN_PD10,
104 .wp_pin = -EINVAL,
105 },
106 };
107
108 static struct mci_platform_data __initdata mci1_data = {
109 .slot[0] = {
110 .bus_width = 4,
111 .detect_pin = AT91_PIN_PD11,
112 .wp_pin = AT91_PIN_PD29,
113 },
114 };
115
116
117 /*
118 * MACB Ethernet device
119 */
120 static struct macb_platform_data __initdata ek_macb_data = {
121 .phy_irq_pin = AT91_PIN_PD5,
122 .is_rmii = 1,
123 };
124
125
126 /*
127 * NAND flash
128 */
129 static struct mtd_partition __initdata ek_nand_partition[] = {
130 {
131 .name = "Partition 1",
132 .offset = 0,
133 .size = SZ_64M,
134 },
135 {
136 .name = "Partition 2",
137 .offset = MTDPART_OFS_NXTBLK,
138 .size = MTDPART_SIZ_FULL,
139 },
140 };
141
142 /* det_pin is not connected */
143 static struct atmel_nand_data __initdata ek_nand_data = {
144 .ale = 21,
145 .cle = 22,
146 .rdy_pin = AT91_PIN_PC8,
147 .enable_pin = AT91_PIN_PC14,
148 .det_pin = -EINVAL,
149 .parts = ek_nand_partition,
150 .num_parts = ARRAY_SIZE(ek_nand_partition),
151 };
152
153 static struct sam9_smc_config __initdata ek_nand_smc_config = {
154 .ncs_read_setup = 0,
155 .nrd_setup = 2,
156 .ncs_write_setup = 0,
157 .nwe_setup = 2,
158
159 .ncs_read_pulse = 4,
160 .nrd_pulse = 4,
161 .ncs_write_pulse = 4,
162 .nwe_pulse = 4,
163
164 .read_cycle = 7,
165 .write_cycle = 7,
166
167 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
168 .tdf_cycles = 3,
169 };
170
ek_add_device_nand(void)171 static void __init ek_add_device_nand(void)
172 {
173 ek_nand_data.bus_width_16 = board_have_nand_16bit();
174 /* setup bus-width (8 or 16) */
175 if (ek_nand_data.bus_width_16)
176 ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
177 else
178 ek_nand_smc_config.mode |= AT91_SMC_DBW_8;
179
180 /* configure chip-select 3 (NAND) */
181 sam9_smc_configure(0, 3, &ek_nand_smc_config);
182
183 at91_add_device_nand(&ek_nand_data);
184 }
185
186
187 /*
188 * LCD Controller
189 */
190 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
191 static struct fb_videomode at91_tft_vga_modes[] = {
192 {
193 .name = "LG",
194 .refresh = 60,
195 .xres = 480, .yres = 272,
196 .pixclock = KHZ2PICOS(9000),
197
198 .left_margin = 1, .right_margin = 1,
199 .upper_margin = 40, .lower_margin = 1,
200 .hsync_len = 45, .vsync_len = 1,
201
202 .sync = 0,
203 .vmode = FB_VMODE_NONINTERLACED,
204 },
205 };
206
207 static struct fb_monspecs at91fb_default_monspecs = {
208 .manufacturer = "LG",
209 .monitor = "LB043WQ1",
210
211 .modedb = at91_tft_vga_modes,
212 .modedb_len = ARRAY_SIZE(at91_tft_vga_modes),
213 .hfmin = 15000,
214 .hfmax = 17640,
215 .vfmin = 57,
216 .vfmax = 67,
217 };
218
219 #define AT91SAM9G45_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
220 | ATMEL_LCDC_DISTYPE_TFT \
221 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
222
223 /* Driver datas */
224 static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
225 .lcdcon_is_backlight = true,
226 .default_bpp = 32,
227 .default_dmacon = ATMEL_LCDC_DMAEN,
228 .default_lcdcon2 = AT91SAM9G45_DEFAULT_LCDCON2,
229 .default_monspecs = &at91fb_default_monspecs,
230 .guard_time = 9,
231 .lcd_wiring_mode = ATMEL_LCDC_WIRING_RGB,
232 };
233
234 #else
235 static struct atmel_lcdfb_info __initdata ek_lcdc_data;
236 #endif
237
238
239 /*
240 * Touchscreen
241 */
242 static struct at91_tsadcc_data ek_tsadcc_data = {
243 .adc_clock = 300000,
244 .pendet_debounce = 0x0d,
245 .ts_sample_hold_time = 0x0a,
246 };
247
248
249 /*
250 * GPIO Buttons
251 */
252 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
253 static struct gpio_keys_button ek_buttons[] = {
254 { /* BP1, "leftclic" */
255 .code = BTN_LEFT,
256 .gpio = AT91_PIN_PB6,
257 .active_low = 1,
258 .desc = "left_click",
259 .wakeup = 1,
260 },
261 { /* BP2, "rightclic" */
262 .code = BTN_RIGHT,
263 .gpio = AT91_PIN_PB7,
264 .active_low = 1,
265 .desc = "right_click",
266 .wakeup = 1,
267 },
268 /* BP3, "joystick" */
269 {
270 .code = KEY_LEFT,
271 .gpio = AT91_PIN_PB14,
272 .active_low = 1,
273 .desc = "Joystick Left",
274 },
275 {
276 .code = KEY_RIGHT,
277 .gpio = AT91_PIN_PB15,
278 .active_low = 1,
279 .desc = "Joystick Right",
280 },
281 {
282 .code = KEY_UP,
283 .gpio = AT91_PIN_PB16,
284 .active_low = 1,
285 .desc = "Joystick Up",
286 },
287 {
288 .code = KEY_DOWN,
289 .gpio = AT91_PIN_PB17,
290 .active_low = 1,
291 .desc = "Joystick Down",
292 },
293 {
294 .code = KEY_ENTER,
295 .gpio = AT91_PIN_PB18,
296 .active_low = 1,
297 .desc = "Joystick Press",
298 },
299 };
300
301 static struct gpio_keys_platform_data ek_button_data = {
302 .buttons = ek_buttons,
303 .nbuttons = ARRAY_SIZE(ek_buttons),
304 };
305
306 static struct platform_device ek_button_device = {
307 .name = "gpio-keys",
308 .id = -1,
309 .num_resources = 0,
310 .dev = {
311 .platform_data = &ek_button_data,
312 }
313 };
314
ek_add_device_buttons(void)315 static void __init ek_add_device_buttons(void)
316 {
317 int i;
318
319 for (i = 0; i < ARRAY_SIZE(ek_buttons); i++) {
320 at91_set_GPIO_periph(ek_buttons[i].gpio, 1);
321 at91_set_deglitch(ek_buttons[i].gpio, 1);
322 }
323
324 platform_device_register(&ek_button_device);
325 }
326 #else
ek_add_device_buttons(void)327 static void __init ek_add_device_buttons(void) {}
328 #endif
329
330
331 /*
332 * AC97
333 * reset_pin is not connected: NRST
334 */
335 static struct ac97c_platform_data ek_ac97_data = {
336 .reset_pin = -EINVAL,
337 };
338
339
340 /*
341 * LEDs ... these could all be PWM-driven, for variable brightness
342 */
343 static struct gpio_led ek_leds[] = {
344 { /* "top" led, red, powerled */
345 .name = "d8",
346 .gpio = AT91_PIN_PD30,
347 .default_trigger = "heartbeat",
348 },
349 { /* "left" led, green, userled2, pwm3 */
350 .name = "d6",
351 .gpio = AT91_PIN_PD0,
352 .active_low = 1,
353 .default_trigger = "nand-disk",
354 },
355 #if !(defined(CONFIG_LEDS_ATMEL_PWM) || defined(CONFIG_LEDS_ATMEL_PWM_MODULE))
356 { /* "right" led, green, userled1, pwm1 */
357 .name = "d7",
358 .gpio = AT91_PIN_PD31,
359 .active_low = 1,
360 .default_trigger = "mmc0",
361 },
362 #endif
363 };
364
365
366 /*
367 * PWM Leds
368 */
369 static struct gpio_led ek_pwm_led[] = {
370 #if defined(CONFIG_LEDS_ATMEL_PWM) || defined(CONFIG_LEDS_ATMEL_PWM_MODULE)
371 { /* "right" led, green, userled1, pwm1 */
372 .name = "d7",
373 .gpio = 1, /* is PWM channel number */
374 .active_low = 1,
375 .default_trigger = "none",
376 },
377 #endif
378 };
379
380
381
ek_board_init(void)382 static void __init ek_board_init(void)
383 {
384 /* Serial */
385 at91_add_device_serial();
386 /* USB HS Host */
387 at91_add_device_usbh_ohci(&ek_usbh_hs_data);
388 at91_add_device_usbh_ehci(&ek_usbh_hs_data);
389 /* USB HS Device */
390 at91_add_device_usba(&ek_usba_udc_data);
391 /* SPI */
392 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
393 /* MMC */
394 at91_add_device_mci(0, &mci0_data);
395 at91_add_device_mci(1, &mci1_data);
396 /* Ethernet */
397 at91_add_device_eth(&ek_macb_data);
398 /* NAND */
399 ek_add_device_nand();
400 /* I2C */
401 at91_add_device_i2c(0, NULL, 0);
402 /* LCD Controller */
403 at91_add_device_lcdc(&ek_lcdc_data);
404 /* Touch Screen */
405 at91_add_device_tsadcc(&ek_tsadcc_data);
406 /* Push Buttons */
407 ek_add_device_buttons();
408 /* AC97 */
409 at91_add_device_ac97(&ek_ac97_data);
410 /* LEDs */
411 at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
412 at91_pwm_leds(ek_pwm_led, ARRAY_SIZE(ek_pwm_led));
413 }
414
415 MACHINE_START(AT91SAM9M10G45EK, "Atmel AT91SAM9M10G45-EK")
416 /* Maintainer: Atmel */
417 .timer = &at91sam926x_timer,
418 .map_io = at91_map_io,
419 .init_early = ek_init_early,
420 .init_irq = at91_init_irq_default,
421 .init_machine = ek_board_init,
422 MACHINE_END
423