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/init.h>
18 #include <linux/mm.h>
19 #include <linux/module.h>
20 #include <linux/platform_device.h>
21 #include <linux/spi/spi.h>
22 #include <linux/fb.h>
23 #include <linux/gpio_keys.h>
24 #include <linux/input.h>
25 #include <linux/leds.h>
26 #include <linux/clk.h>
27 #include <linux/atmel-mci.h>
28
29 #include <mach/hardware.h>
30 #include <video/atmel_lcdc.h>
31
32 #include <asm/setup.h>
33 #include <asm/mach-types.h>
34 #include <asm/irq.h>
35
36 #include <asm/mach/arch.h>
37 #include <asm/mach/map.h>
38 #include <asm/mach/irq.h>
39
40 #include <mach/board.h>
41 #include <mach/gpio.h>
42 #include <mach/at91sam9_smc.h>
43 #include <mach/at91_shdwc.h>
44
45 #include "sam9_smc.h"
46 #include "generic.h"
47
48
ek_map_io(void)49 static void __init ek_map_io(void)
50 {
51 /* Initialize processor: 12.000 MHz crystal */
52 at91sam9g45_initialize(12000000);
53
54 /* DGBU on ttyS0. (Rx & Tx only) */
55 at91_register_uart(0, 0, 0);
56
57 /* USART0 not connected on the -EK board */
58 /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
59 at91_register_uart(AT91SAM9G45_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
60
61 /* set serial console to ttyS0 (ie, DBGU) */
62 at91_set_serial_console(0);
63 }
64
ek_init_irq(void)65 static void __init ek_init_irq(void)
66 {
67 at91sam9g45_init_interrupts(NULL);
68 }
69
70
71 /*
72 * USB HS Host port (common to OHCI & EHCI)
73 */
74 static struct at91_usbh_data __initdata ek_usbh_hs_data = {
75 .ports = 2,
76 .vbus_pin = {AT91_PIN_PD1, AT91_PIN_PD3},
77 };
78
79
80 /*
81 * USB HS Device port
82 */
83 static struct usba_platform_data __initdata ek_usba_udc_data = {
84 .vbus_pin = AT91_PIN_PB19,
85 };
86
87
88 /*
89 * SPI devices.
90 */
91 static struct spi_board_info ek_spi_devices[] = {
92 { /* DataFlash chip */
93 .modalias = "mtd_dataflash",
94 .chip_select = 0,
95 .max_speed_hz = 15 * 1000 * 1000,
96 .bus_num = 0,
97 },
98 };
99
100
101 /*
102 * MCI (SD/MMC)
103 */
104 static struct mci_platform_data __initdata mci0_data = {
105 .slot[0] = {
106 .bus_width = 4,
107 .detect_pin = AT91_PIN_PD10,
108 },
109 };
110
111 static struct mci_platform_data __initdata mci1_data = {
112 .slot[0] = {
113 .bus_width = 4,
114 .detect_pin = AT91_PIN_PD11,
115 .wp_pin = AT91_PIN_PD29,
116 },
117 };
118
119
120 /*
121 * MACB Ethernet device
122 */
123 static struct at91_eth_data __initdata ek_macb_data = {
124 .phy_irq_pin = AT91_PIN_PD5,
125 .is_rmii = 1,
126 };
127
128
129 /*
130 * NAND flash
131 */
132 static struct mtd_partition __initdata ek_nand_partition[] = {
133 {
134 .name = "Partition 1",
135 .offset = 0,
136 .size = SZ_64M,
137 },
138 {
139 .name = "Partition 2",
140 .offset = MTDPART_OFS_NXTBLK,
141 .size = MTDPART_SIZ_FULL,
142 },
143 };
144
nand_partitions(int size,int * num_partitions)145 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
146 {
147 *num_partitions = ARRAY_SIZE(ek_nand_partition);
148 return ek_nand_partition;
149 }
150
151 /* det_pin is not connected */
152 static struct atmel_nand_data __initdata ek_nand_data = {
153 .ale = 21,
154 .cle = 22,
155 .rdy_pin = AT91_PIN_PC8,
156 .enable_pin = AT91_PIN_PC14,
157 .partition_info = nand_partitions,
158 #if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
159 .bus_width_16 = 1,
160 #else
161 .bus_width_16 = 0,
162 #endif
163 };
164
165 static struct sam9_smc_config __initdata ek_nand_smc_config = {
166 .ncs_read_setup = 0,
167 .nrd_setup = 2,
168 .ncs_write_setup = 0,
169 .nwe_setup = 2,
170
171 .ncs_read_pulse = 4,
172 .nrd_pulse = 4,
173 .ncs_write_pulse = 4,
174 .nwe_pulse = 4,
175
176 .read_cycle = 7,
177 .write_cycle = 7,
178
179 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
180 .tdf_cycles = 3,
181 };
182
ek_add_device_nand(void)183 static void __init ek_add_device_nand(void)
184 {
185 /* setup bus-width (8 or 16) */
186 if (ek_nand_data.bus_width_16)
187 ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
188 else
189 ek_nand_smc_config.mode |= AT91_SMC_DBW_8;
190
191 /* configure chip-select 3 (NAND) */
192 sam9_smc_configure(3, &ek_nand_smc_config);
193
194 at91_add_device_nand(&ek_nand_data);
195 }
196
197
198 /*
199 * LCD Controller
200 */
201 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
202 static struct fb_videomode at91_tft_vga_modes[] = {
203 {
204 .name = "LG",
205 .refresh = 60,
206 .xres = 480, .yres = 272,
207 .pixclock = KHZ2PICOS(9000),
208
209 .left_margin = 1, .right_margin = 1,
210 .upper_margin = 40, .lower_margin = 1,
211 .hsync_len = 45, .vsync_len = 1,
212
213 .sync = 0,
214 .vmode = FB_VMODE_NONINTERLACED,
215 },
216 };
217
218 static struct fb_monspecs at91fb_default_monspecs = {
219 .manufacturer = "LG",
220 .monitor = "LB043WQ1",
221
222 .modedb = at91_tft_vga_modes,
223 .modedb_len = ARRAY_SIZE(at91_tft_vga_modes),
224 .hfmin = 15000,
225 .hfmax = 17640,
226 .vfmin = 57,
227 .vfmax = 67,
228 };
229
230 #define AT91SAM9G45_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
231 | ATMEL_LCDC_DISTYPE_TFT \
232 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
233
234 /* Driver datas */
235 static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
236 .lcdcon_is_backlight = true,
237 .default_bpp = 32,
238 .default_dmacon = ATMEL_LCDC_DMAEN,
239 .default_lcdcon2 = AT91SAM9G45_DEFAULT_LCDCON2,
240 .default_monspecs = &at91fb_default_monspecs,
241 .guard_time = 9,
242 .lcd_wiring_mode = ATMEL_LCDC_WIRING_RGB,
243 };
244
245 #else
246 static struct atmel_lcdfb_info __initdata ek_lcdc_data;
247 #endif
248
249
250 /*
251 * Touchscreen
252 */
253 static struct at91_tsadcc_data ek_tsadcc_data = {
254 .adc_clock = 300000,
255 .pendet_debounce = 0x0d,
256 .ts_sample_hold_time = 0x0a,
257 };
258
259
260 /*
261 * GPIO Buttons
262 */
263 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
264 static struct gpio_keys_button ek_buttons[] = {
265 { /* BP1, "leftclic" */
266 .code = BTN_LEFT,
267 .gpio = AT91_PIN_PB6,
268 .active_low = 1,
269 .desc = "left_click",
270 .wakeup = 1,
271 },
272 { /* BP2, "rightclic" */
273 .code = BTN_RIGHT,
274 .gpio = AT91_PIN_PB7,
275 .active_low = 1,
276 .desc = "right_click",
277 .wakeup = 1,
278 },
279 /* BP3, "joystick" */
280 {
281 .code = KEY_LEFT,
282 .gpio = AT91_PIN_PB14,
283 .active_low = 1,
284 .desc = "Joystick Left",
285 },
286 {
287 .code = KEY_RIGHT,
288 .gpio = AT91_PIN_PB15,
289 .active_low = 1,
290 .desc = "Joystick Right",
291 },
292 {
293 .code = KEY_UP,
294 .gpio = AT91_PIN_PB16,
295 .active_low = 1,
296 .desc = "Joystick Up",
297 },
298 {
299 .code = KEY_DOWN,
300 .gpio = AT91_PIN_PB17,
301 .active_low = 1,
302 .desc = "Joystick Down",
303 },
304 {
305 .code = KEY_ENTER,
306 .gpio = AT91_PIN_PB18,
307 .active_low = 1,
308 .desc = "Joystick Press",
309 },
310 };
311
312 static struct gpio_keys_platform_data ek_button_data = {
313 .buttons = ek_buttons,
314 .nbuttons = ARRAY_SIZE(ek_buttons),
315 };
316
317 static struct platform_device ek_button_device = {
318 .name = "gpio-keys",
319 .id = -1,
320 .num_resources = 0,
321 .dev = {
322 .platform_data = &ek_button_data,
323 }
324 };
325
ek_add_device_buttons(void)326 static void __init ek_add_device_buttons(void)
327 {
328 int i;
329
330 for (i = 0; i < ARRAY_SIZE(ek_buttons); i++) {
331 at91_set_GPIO_periph(ek_buttons[i].gpio, 1);
332 at91_set_deglitch(ek_buttons[i].gpio, 1);
333 }
334
335 platform_device_register(&ek_button_device);
336 }
337 #else
ek_add_device_buttons(void)338 static void __init ek_add_device_buttons(void) {}
339 #endif
340
341
342 /*
343 * AC97
344 * reset_pin is not connected: NRST
345 */
346 static struct ac97c_platform_data ek_ac97_data = {
347 };
348
349
350 /*
351 * LEDs ... these could all be PWM-driven, for variable brightness
352 */
353 static struct gpio_led ek_leds[] = {
354 { /* "top" led, red, powerled */
355 .name = "d8",
356 .gpio = AT91_PIN_PD30,
357 .default_trigger = "heartbeat",
358 },
359 { /* "left" led, green, userled2, pwm3 */
360 .name = "d6",
361 .gpio = AT91_PIN_PD0,
362 .active_low = 1,
363 .default_trigger = "nand-disk",
364 },
365 #if !(defined(CONFIG_LEDS_ATMEL_PWM) || defined(CONFIG_LEDS_ATMEL_PWM_MODULE))
366 { /* "right" led, green, userled1, pwm1 */
367 .name = "d7",
368 .gpio = AT91_PIN_PD31,
369 .active_low = 1,
370 .default_trigger = "mmc0",
371 },
372 #endif
373 };
374
375
376 /*
377 * PWM Leds
378 */
379 static struct gpio_led ek_pwm_led[] = {
380 #if defined(CONFIG_LEDS_ATMEL_PWM) || defined(CONFIG_LEDS_ATMEL_PWM_MODULE)
381 { /* "right" led, green, userled1, pwm1 */
382 .name = "d7",
383 .gpio = 1, /* is PWM channel number */
384 .active_low = 1,
385 .default_trigger = "none",
386 },
387 #endif
388 };
389
390
391
ek_board_init(void)392 static void __init ek_board_init(void)
393 {
394 /* Serial */
395 at91_add_device_serial();
396 /* USB HS Host */
397 at91_add_device_usbh_ohci(&ek_usbh_hs_data);
398 at91_add_device_usbh_ehci(&ek_usbh_hs_data);
399 /* USB HS Device */
400 at91_add_device_usba(&ek_usba_udc_data);
401 /* SPI */
402 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
403 /* MMC */
404 at91_add_device_mci(0, &mci0_data);
405 at91_add_device_mci(1, &mci1_data);
406 /* Ethernet */
407 at91_add_device_eth(&ek_macb_data);
408 /* NAND */
409 ek_add_device_nand();
410 /* I2C */
411 at91_add_device_i2c(0, NULL, 0);
412 /* LCD Controller */
413 at91_add_device_lcdc(&ek_lcdc_data);
414 /* Touch Screen */
415 at91_add_device_tsadcc(&ek_tsadcc_data);
416 /* Push Buttons */
417 ek_add_device_buttons();
418 /* AC97 */
419 at91_add_device_ac97(&ek_ac97_data);
420 /* LEDs */
421 at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
422 at91_pwm_leds(ek_pwm_led, ARRAY_SIZE(ek_pwm_led));
423 }
424
425 MACHINE_START(AT91SAM9M10G45EK, "Atmel AT91SAM9M10G45-EK")
426 /* Maintainer: Atmel */
427 .boot_params = AT91_SDRAM_BASE + 0x100,
428 .timer = &at91sam926x_timer,
429 .map_io = ek_map_io,
430 .init_irq = ek_init_irq,
431 .init_machine = ek_board_init,
432 MACHINE_END
433