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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#include <mach/system_rev.h>
45
46#include "sam9_smc.h"
47#include "generic.h"
48
49
50static 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 */
69static struct at91_usbh_data __initdata ek_usbh_hs_data = {
70 .ports = 2,
71 .vbus_pin = {AT91_PIN_PD1, AT91_PIN_PD3},
72};
73
74
75/*
76 * USB HS Device port
77 */
78static struct usba_platform_data __initdata ek_usba_udc_data = {
79 .vbus_pin = AT91_PIN_PB19,
80};
81
82
83/*
84 * SPI devices.
85 */
86static struct spi_board_info ek_spi_devices[] = {
87 { /* DataFlash chip */
88 .modalias = "mtd_dataflash",
89 .chip_select = 0,
90 .max_speed_hz = 15 * 1000 * 1000,
91 .bus_num = 0,
92 },
93};
94
95
96/*
97 * MCI (SD/MMC)
98 */
99static struct mci_platform_data __initdata mci0_data = {
100 .slot[0] = {
101 .bus_width = 4,
102 .detect_pin = AT91_PIN_PD10,
103 },
104};
105
106static struct mci_platform_data __initdata mci1_data = {
107 .slot[0] = {
108 .bus_width = 4,
109 .detect_pin = AT91_PIN_PD11,
110 .wp_pin = AT91_PIN_PD29,
111 },
112};
113
114
115/*
116 * MACB Ethernet device
117 */
118static struct at91_eth_data __initdata ek_macb_data = {
119 .phy_irq_pin = AT91_PIN_PD5,
120 .is_rmii = 1,
121};
122
123
124/*
125 * NAND flash
126 */
127static struct mtd_partition __initdata ek_nand_partition[] = {
128 {
129 .name = "Partition 1",
130 .offset = 0,
131 .size = SZ_64M,
132 },
133 {
134 .name = "Partition 2",
135 .offset = MTDPART_OFS_NXTBLK,
136 .size = MTDPART_SIZ_FULL,
137 },
138};
139
140static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
141{
142 *num_partitions = ARRAY_SIZE(ek_nand_partition);
143 return ek_nand_partition;
144}
145
146/* det_pin is not connected */
147static struct atmel_nand_data __initdata ek_nand_data = {
148 .ale = 21,
149 .cle = 22,
150 .rdy_pin = AT91_PIN_PC8,
151 .enable_pin = AT91_PIN_PC14,
152 .partition_info = nand_partitions,
153};
154
155static struct sam9_smc_config __initdata ek_nand_smc_config = {
156 .ncs_read_setup = 0,
157 .nrd_setup = 2,
158 .ncs_write_setup = 0,
159 .nwe_setup = 2,
160
161 .ncs_read_pulse = 4,
162 .nrd_pulse = 4,
163 .ncs_write_pulse = 4,
164 .nwe_pulse = 4,
165
166 .read_cycle = 7,
167 .write_cycle = 7,
168
169 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
170 .tdf_cycles = 3,
171};
172
173static void __init ek_add_device_nand(void)
174{
175 ek_nand_data.bus_width_16 = board_have_nand_16bit();
176 /* setup bus-width (8 or 16) */
177 if (ek_nand_data.bus_width_16)
178 ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
179 else
180 ek_nand_smc_config.mode |= AT91_SMC_DBW_8;
181
182 /* configure chip-select 3 (NAND) */
183 sam9_smc_configure(3, &ek_nand_smc_config);
184
185 at91_add_device_nand(&ek_nand_data);
186}
187
188
189/*
190 * LCD Controller
191 */
192#if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
193static struct fb_videomode at91_tft_vga_modes[] = {
194 {
195 .name = "LG",
196 .refresh = 60,
197 .xres = 480, .yres = 272,
198 .pixclock = KHZ2PICOS(9000),
199
200 .left_margin = 1, .right_margin = 1,
201 .upper_margin = 40, .lower_margin = 1,
202 .hsync_len = 45, .vsync_len = 1,
203
204 .sync = 0,
205 .vmode = FB_VMODE_NONINTERLACED,
206 },
207};
208
209static struct fb_monspecs at91fb_default_monspecs = {
210 .manufacturer = "LG",
211 .monitor = "LB043WQ1",
212
213 .modedb = at91_tft_vga_modes,
214 .modedb_len = ARRAY_SIZE(at91_tft_vga_modes),
215 .hfmin = 15000,
216 .hfmax = 17640,
217 .vfmin = 57,
218 .vfmax = 67,
219};
220
221#define AT91SAM9G45_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
222 | ATMEL_LCDC_DISTYPE_TFT \
223 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
224
225/* Driver datas */
226static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
227 .lcdcon_is_backlight = true,
228 .default_bpp = 32,
229 .default_dmacon = ATMEL_LCDC_DMAEN,
230 .default_lcdcon2 = AT91SAM9G45_DEFAULT_LCDCON2,
231 .default_monspecs = &at91fb_default_monspecs,
232 .guard_time = 9,
233 .lcd_wiring_mode = ATMEL_LCDC_WIRING_RGB,
234};
235
236#else
237static struct atmel_lcdfb_info __initdata ek_lcdc_data;
238#endif
239
240
241/*
242 * Touchscreen
243 */
244static struct at91_tsadcc_data ek_tsadcc_data = {
245 .adc_clock = 300000,
246 .pendet_debounce = 0x0d,
247 .ts_sample_hold_time = 0x0a,
248};
249
250
251/*
252 * GPIO Buttons
253 */
254#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
255static struct gpio_keys_button ek_buttons[] = {
256 { /* BP1, "leftclic" */
257 .code = BTN_LEFT,
258 .gpio = AT91_PIN_PB6,
259 .active_low = 1,
260 .desc = "left_click",
261 .wakeup = 1,
262 },
263 { /* BP2, "rightclic" */
264 .code = BTN_RIGHT,
265 .gpio = AT91_PIN_PB7,
266 .active_low = 1,
267 .desc = "right_click",
268 .wakeup = 1,
269 },
270 /* BP3, "joystick" */
271 {
272 .code = KEY_LEFT,
273 .gpio = AT91_PIN_PB14,
274 .active_low = 1,
275 .desc = "Joystick Left",
276 },
277 {
278 .code = KEY_RIGHT,
279 .gpio = AT91_PIN_PB15,
280 .active_low = 1,
281 .desc = "Joystick Right",
282 },
283 {
284 .code = KEY_UP,
285 .gpio = AT91_PIN_PB16,
286 .active_low = 1,
287 .desc = "Joystick Up",
288 },
289 {
290 .code = KEY_DOWN,
291 .gpio = AT91_PIN_PB17,
292 .active_low = 1,
293 .desc = "Joystick Down",
294 },
295 {
296 .code = KEY_ENTER,
297 .gpio = AT91_PIN_PB18,
298 .active_low = 1,
299 .desc = "Joystick Press",
300 },
301};
302
303static struct gpio_keys_platform_data ek_button_data = {
304 .buttons = ek_buttons,
305 .nbuttons = ARRAY_SIZE(ek_buttons),
306};
307
308static struct platform_device ek_button_device = {
309 .name = "gpio-keys",
310 .id = -1,
311 .num_resources = 0,
312 .dev = {
313 .platform_data = &ek_button_data,
314 }
315};
316
317static void __init ek_add_device_buttons(void)
318{
319 int i;
320
321 for (i = 0; i < ARRAY_SIZE(ek_buttons); i++) {
322 at91_set_GPIO_periph(ek_buttons[i].gpio, 1);
323 at91_set_deglitch(ek_buttons[i].gpio, 1);
324 }
325
326 platform_device_register(&ek_button_device);
327}
328#else
329static void __init ek_add_device_buttons(void) {}
330#endif
331
332
333/*
334 * AC97
335 * reset_pin is not connected: NRST
336 */
337static struct ac97c_platform_data ek_ac97_data = {
338};
339
340
341/*
342 * LEDs ... these could all be PWM-driven, for variable brightness
343 */
344static struct gpio_led ek_leds[] = {
345 { /* "top" led, red, powerled */
346 .name = "d8",
347 .gpio = AT91_PIN_PD30,
348 .default_trigger = "heartbeat",
349 },
350 { /* "left" led, green, userled2, pwm3 */
351 .name = "d6",
352 .gpio = AT91_PIN_PD0,
353 .active_low = 1,
354 .default_trigger = "nand-disk",
355 },
356#if !(defined(CONFIG_LEDS_ATMEL_PWM) || defined(CONFIG_LEDS_ATMEL_PWM_MODULE))
357 { /* "right" led, green, userled1, pwm1 */
358 .name = "d7",
359 .gpio = AT91_PIN_PD31,
360 .active_low = 1,
361 .default_trigger = "mmc0",
362 },
363#endif
364};
365
366
367/*
368 * PWM Leds
369 */
370static struct gpio_led ek_pwm_led[] = {
371#if defined(CONFIG_LEDS_ATMEL_PWM) || defined(CONFIG_LEDS_ATMEL_PWM_MODULE)
372 { /* "right" led, green, userled1, pwm1 */
373 .name = "d7",
374 .gpio = 1, /* is PWM channel number */
375 .active_low = 1,
376 .default_trigger = "none",
377 },
378#endif
379};
380
381
382
383static void __init ek_board_init(void)
384{
385 /* Serial */
386 at91_add_device_serial();
387 /* USB HS Host */
388 at91_add_device_usbh_ohci(&ek_usbh_hs_data);
389 at91_add_device_usbh_ehci(&ek_usbh_hs_data);
390 /* USB HS Device */
391 at91_add_device_usba(&ek_usba_udc_data);
392 /* SPI */
393 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
394 /* MMC */
395 at91_add_device_mci(0, &mci0_data);
396 at91_add_device_mci(1, &mci1_data);
397 /* Ethernet */
398 at91_add_device_eth(&ek_macb_data);
399 /* NAND */
400 ek_add_device_nand();
401 /* I2C */
402 at91_add_device_i2c(0, NULL, 0);
403 /* LCD Controller */
404 at91_add_device_lcdc(&ek_lcdc_data);
405 /* Touch Screen */
406 at91_add_device_tsadcc(&ek_tsadcc_data);
407 /* Push Buttons */
408 ek_add_device_buttons();
409 /* AC97 */
410 at91_add_device_ac97(&ek_ac97_data);
411 /* LEDs */
412 at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
413 at91_pwm_leds(ek_pwm_led, ARRAY_SIZE(ek_pwm_led));
414}
415
416MACHINE_START(AT91SAM9M10G45EK, "Atmel AT91SAM9M10G45-EK")
417 /* Maintainer: Atmel */
418 .timer = &at91sam926x_timer,
419 .map_io = at91_map_io,
420 .init_early = ek_init_early,
421 .init_irq = at91_init_irq_default,
422 .init_machine = ek_board_init,
423MACHINE_END