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22#include <linux/types.h>
23#include <linux/gpio.h>
24#include <linux/init.h>
25#include <linux/mm.h>
26#include <linux/module.h>
27#include <linux/platform_device.h>
28#include <linux/spi/spi.h>
29#include <linux/spi/ads7846.h>
30#include <linux/i2c/at24.h>
31#include <linux/fb.h>
32#include <linux/gpio_keys.h>
33#include <linux/input.h>
34#include <linux/leds.h>
35
36#include <video/atmel_lcdc.h>
37
38#include <asm/setup.h>
39#include <asm/mach-types.h>
40#include <asm/irq.h>
41
42#include <asm/mach/arch.h>
43#include <asm/mach/map.h>
44#include <asm/mach/irq.h>
45
46#include <mach/hardware.h>
47#include <mach/at91sam9_smc.h>
48#include <mach/system_rev.h>
49
50#include "at91_aic.h"
51#include "at91_shdwc.h"
52#include "board.h"
53#include "sam9_smc.h"
54#include "generic.h"
55
56
57static void __init ek_init_early(void)
58{
59
60 at91_initialize(16367660);
61}
62
63
64
65
66static struct at91_usbh_data __initdata ek_usbh_data = {
67 .ports = 2,
68 .vbus_pin = { AT91_PIN_PA24, AT91_PIN_PA21 },
69 .vbus_pin_active_low = {1, 1},
70 .overcurrent_pin= {-EINVAL, -EINVAL},
71};
72
73
74
75
76static struct at91_udc_data __initdata ek_udc_data = {
77 .vbus_pin = AT91_PIN_PA25,
78 .pullup_pin = -EINVAL,
79};
80
81
82
83
84
85#if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
86static int ads7843_pendown_state(void)
87{
88 return !at91_get_gpio_value(AT91_PIN_PA15);
89}
90
91static struct ads7846_platform_data ads_info = {
92 .model = 7843,
93 .x_min = 150,
94 .x_max = 3830,
95 .y_min = 190,
96 .y_max = 3830,
97 .vref_delay_usecs = 100,
98 .x_plate_ohms = 450,
99 .y_plate_ohms = 250,
100 .pressure_max = 15000,
101 .debounce_max = 1,
102 .debounce_rep = 0,
103 .debounce_tol = (~0),
104 .get_pendown_state = ads7843_pendown_state,
105};
106
107static void __init ek_add_device_ts(void)
108{
109 at91_set_B_periph(AT91_PIN_PA15, 1);
110 at91_set_gpio_input(AT91_PIN_PA31, 1);
111}
112#else
113static void __init ek_add_device_ts(void) {}
114#endif
115
116
117
118
119static struct spi_board_info ek_spi_devices[] = {
120#if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
121 {
122 .modalias = "mtd_dataflash",
123 .chip_select = 0,
124 .max_speed_hz = 15 * 1000 * 1000,
125 .bus_num = 0,
126 },
127#endif
128#if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
129 {
130 .modalias = "ads7846",
131 .chip_select = 3,
132 .max_speed_hz = 125000 * 26,
133 .bus_num = 0,
134 .platform_data = &ads_info,
135 .irq = NR_IRQS_LEGACY + AT91SAM9263_ID_IRQ1,
136 },
137#endif
138};
139
140
141
142
143
144static struct mci_platform_data __initdata mci1_data = {
145 .slot[0] = {
146 .bus_width = 4,
147 .detect_pin = AT91_PIN_PE18,
148 .wp_pin = AT91_PIN_PE19,
149 },
150};
151
152
153
154
155
156static struct macb_platform_data __initdata ek_macb_data = {
157 .phy_irq_pin = AT91_PIN_PE31,
158 .is_rmii = 1,
159};
160
161
162
163
164
165static struct mtd_partition __initdata ek_nand_partition[] = {
166 {
167 .name = "Partition 1",
168 .offset = 0,
169 .size = SZ_64M,
170 },
171 {
172 .name = "Partition 2",
173 .offset = MTDPART_OFS_NXTBLK,
174 .size = MTDPART_SIZ_FULL,
175 },
176};
177
178static struct atmel_nand_data __initdata ek_nand_data = {
179 .ale = 21,
180 .cle = 22,
181 .det_pin = -EINVAL,
182 .rdy_pin = AT91_PIN_PA22,
183 .enable_pin = AT91_PIN_PD15,
184 .ecc_mode = NAND_ECC_SOFT,
185 .on_flash_bbt = 1,
186 .parts = ek_nand_partition,
187 .num_parts = ARRAY_SIZE(ek_nand_partition),
188};
189
190static struct sam9_smc_config __initdata ek_nand_smc_config = {
191 .ncs_read_setup = 0,
192 .nrd_setup = 1,
193 .ncs_write_setup = 0,
194 .nwe_setup = 1,
195
196 .ncs_read_pulse = 3,
197 .nrd_pulse = 3,
198 .ncs_write_pulse = 3,
199 .nwe_pulse = 3,
200
201 .read_cycle = 5,
202 .write_cycle = 5,
203
204 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
205 .tdf_cycles = 2,
206};
207
208static void __init ek_add_device_nand(void)
209{
210 ek_nand_data.bus_width_16 = board_have_nand_16bit();
211
212 if (ek_nand_data.bus_width_16)
213 ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
214 else
215 ek_nand_smc_config.mode |= AT91_SMC_DBW_8;
216
217
218 sam9_smc_configure(0, 3, &ek_nand_smc_config);
219
220 at91_add_device_nand(&ek_nand_data);
221}
222
223
224
225
226
227static struct at24_platform_data at24c512 = {
228 .byte_len = SZ_512K / 8,
229 .page_size = 128,
230 .flags = AT24_FLAG_ADDR16,
231};
232
233
234static struct i2c_board_info __initdata ek_i2c_devices[] = {
235 {
236 I2C_BOARD_INFO("24c512", 0x50),
237 .platform_data = &at24c512,
238 },
239
240};
241
242
243
244
245#if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
246static struct fb_videomode at91_tft_vga_modes[] = {
247 {
248 .name = "TX09D50VM1CCA @ 60",
249 .refresh = 60,
250 .xres = 240, .yres = 320,
251 .pixclock = KHZ2PICOS(4965),
252
253 .left_margin = 1, .right_margin = 33,
254 .upper_margin = 1, .lower_margin = 0,
255 .hsync_len = 5, .vsync_len = 1,
256
257 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
258 .vmode = FB_VMODE_NONINTERLACED,
259 },
260};
261
262static struct fb_monspecs at91fb_default_monspecs = {
263 .manufacturer = "HIT",
264 .monitor = "TX09D70VM1CCA",
265
266 .modedb = at91_tft_vga_modes,
267 .modedb_len = ARRAY_SIZE(at91_tft_vga_modes),
268 .hfmin = 15000,
269 .hfmax = 64000,
270 .vfmin = 50,
271 .vfmax = 150,
272};
273
274#define AT91SAM9263_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
275 | ATMEL_LCDC_DISTYPE_TFT \
276 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
277
278static void at91_lcdc_power_control(int on)
279{
280 at91_set_gpio_value(AT91_PIN_PA30, on);
281}
282
283
284static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
285 .lcdcon_is_backlight = true,
286 .default_bpp = 16,
287 .default_dmacon = ATMEL_LCDC_DMAEN,
288 .default_lcdcon2 = AT91SAM9263_DEFAULT_LCDCON2,
289 .default_monspecs = &at91fb_default_monspecs,
290 .atmel_lcdfb_power_control = at91_lcdc_power_control,
291 .guard_time = 1,
292};
293
294#else
295static struct atmel_lcdfb_info __initdata ek_lcdc_data;
296#endif
297
298
299
300
301
302#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
303static struct gpio_keys_button ek_buttons[] = {
304 {
305 .code = BTN_LEFT,
306 .gpio = AT91_PIN_PC5,
307 .active_low = 1,
308 .desc = "left_click",
309 .wakeup = 1,
310 },
311 {
312 .code = BTN_RIGHT,
313 .gpio = AT91_PIN_PC4,
314 .active_low = 1,
315 .desc = "right_click",
316 .wakeup = 1,
317 }
318};
319
320static struct gpio_keys_platform_data ek_button_data = {
321 .buttons = ek_buttons,
322 .nbuttons = ARRAY_SIZE(ek_buttons),
323};
324
325static struct platform_device ek_button_device = {
326 .name = "gpio-keys",
327 .id = -1,
328 .num_resources = 0,
329 .dev = {
330 .platform_data = &ek_button_data,
331 }
332};
333
334static void __init ek_add_device_buttons(void)
335{
336 at91_set_GPIO_periph(AT91_PIN_PC5, 1);
337 at91_set_deglitch(AT91_PIN_PC5, 1);
338 at91_set_GPIO_periph(AT91_PIN_PC4, 1);
339 at91_set_deglitch(AT91_PIN_PC4, 1);
340
341 platform_device_register(&ek_button_device);
342}
343#else
344static void __init ek_add_device_buttons(void) {}
345#endif
346
347
348
349
350
351
352static struct ac97c_platform_data ek_ac97_data = {
353 .reset_pin = -EINVAL,
354};
355
356
357
358
359
360static struct gpio_led ek_leds[] = {
361 {
362 .name = "ds2",
363 .gpio = AT91_PIN_PC29,
364 .active_low = 1,
365 .default_trigger = "nand-disk",
366 },
367 {
368 .name = "ds3",
369 .gpio = AT91_PIN_PB7,
370 .default_trigger = "heartbeat",
371 }
372};
373
374
375
376
377static struct gpio_led ek_pwm_led[] = {
378
379 {
380 .name = "ds1",
381 .gpio = 1,
382 .active_low = 1,
383 .default_trigger = "none",
384 }
385};
386
387
388
389
390static void sam9263ek_transceiver_switch(int on)
391{
392 if (on) {
393 at91_set_gpio_output(AT91_PIN_PA18, 1);
394 at91_set_gpio_output(AT91_PIN_PA19, 0);
395 } else {
396 at91_set_gpio_output(AT91_PIN_PA18, 0);
397 at91_set_gpio_output(AT91_PIN_PA19, 1);
398 }
399}
400
401static struct at91_can_data ek_can_data = {
402 .transceiver_switch = sam9263ek_transceiver_switch,
403};
404
405static void __init ek_board_init(void)
406{
407
408
409 at91_register_uart(0, 0, 0);
410
411
412 at91_register_uart(AT91SAM9263_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS);
413 at91_add_device_serial();
414
415 at91_add_device_usbh(&ek_usbh_data);
416
417 at91_add_device_udc(&ek_udc_data);
418
419 at91_set_gpio_output(AT91_PIN_PE20, 1);
420 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
421
422 ek_add_device_ts();
423
424 at91_add_device_mci(1, &mci1_data);
425
426 at91_add_device_eth(&ek_macb_data);
427
428 ek_add_device_nand();
429
430 at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices));
431
432 at91_add_device_lcdc(&ek_lcdc_data);
433
434 ek_add_device_buttons();
435
436 at91_add_device_ac97(&ek_ac97_data);
437
438 at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
439 at91_pwm_leds(ek_pwm_led, ARRAY_SIZE(ek_pwm_led));
440
441 at91_add_device_can(&ek_can_data);
442}
443
444MACHINE_START(AT91SAM9263EK, "Atmel AT91SAM9263-EK")
445
446 .init_time = at91sam926x_pit_init,
447 .map_io = at91_map_io,
448 .handle_irq = at91_aic_handle_irq,
449 .init_early = ek_init_early,
450 .init_irq = at91_init_irq_default,
451 .init_machine = ek_board_init,
452MACHINE_END
453