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e6d92e63 AV |
1 | /* |
2 | * linux/arch/arm/mach-at91/board-sam9263ek.c | |
3 | * | |
4 | * Copyright (C) 2005 SAN People | |
5 | * Copyright (C) 2007 Atmel Corporation. | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
20 | */ | |
21 | ||
22 | #include <linux/types.h> | |
23 | #include <linux/init.h> | |
24 | #include <linux/mm.h> | |
25 | #include <linux/module.h> | |
26 | #include <linux/platform_device.h> | |
27 | #include <linux/spi/spi.h> | |
7c73628f | 28 | #include <linux/spi/ads7846.h> |
a745a622 | 29 | #include <linux/i2c/at24.h> |
cdf95c73 | 30 | #include <linux/fb.h> |
eaf858a9 DB |
31 | #include <linux/gpio_keys.h> |
32 | #include <linux/input.h> | |
a7307bf2 | 33 | #include <linux/leds.h> |
cdf95c73 AV |
34 | |
35 | #include <video/atmel_lcdc.h> | |
e6d92e63 | 36 | |
e6d92e63 AV |
37 | #include <asm/setup.h> |
38 | #include <asm/mach-types.h> | |
39 | #include <asm/irq.h> | |
40 | ||
41 | #include <asm/mach/arch.h> | |
42 | #include <asm/mach/map.h> | |
43 | #include <asm/mach/irq.h> | |
44 | ||
e505240b | 45 | #include <mach/hardware.h> |
a09e64fb RK |
46 | #include <mach/board.h> |
47 | #include <mach/gpio.h> | |
48 | #include <mach/at91sam9_smc.h> | |
8cdae51a | 49 | #include <mach/at91_shdwc.h> |
76b2ab76 | 50 | #include <mach/system_rev.h> |
e6d92e63 | 51 | |
8cdae51a | 52 | #include "sam9_smc.h" |
e6d92e63 AV |
53 | #include "generic.h" |
54 | ||
55 | ||
1b021a3b | 56 | static void __init ek_init_early(void) |
e6d92e63 AV |
57 | { |
58 | /* Initialize processor: 16.367 MHz crystal */ | |
59 | at91sam9263_initialize(16367660); | |
60 | ||
4f37940d | 61 | /* DBGU on ttyS0. (Rx & Tx only) */ |
a3da1222 AV |
62 | at91_register_uart(0, 0, 0); |
63 | ||
64 | /* USART0 on ttyS1. (Rx, Tx, RTS, CTS) */ | |
65 | at91_register_uart(AT91SAM9263_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS); | |
66 | ||
67 | /* set serial console to ttyS0 (ie, DBGU) */ | |
68 | at91_set_serial_console(0); | |
e6d92e63 AV |
69 | } |
70 | ||
71 | static void __init ek_init_irq(void) | |
72 | { | |
73 | at91sam9263_init_interrupts(NULL); | |
74 | } | |
75 | ||
76 | ||
77 | /* | |
78 | * USB Host port | |
79 | */ | |
80 | static struct at91_usbh_data __initdata ek_usbh_data = { | |
81 | .ports = 2, | |
82 | .vbus_pin = { AT91_PIN_PA24, AT91_PIN_PA21 }, | |
83 | }; | |
84 | ||
85 | /* | |
86 | * USB Device port | |
87 | */ | |
88 | static struct at91_udc_data __initdata ek_udc_data = { | |
89 | .vbus_pin = AT91_PIN_PA25, | |
90 | .pullup_pin = 0, /* pull-up driven by UDC */ | |
91 | }; | |
92 | ||
93 | ||
7c73628f AV |
94 | /* |
95 | * ADS7846 Touchscreen | |
96 | */ | |
97 | #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) | |
98 | static int ads7843_pendown_state(void) | |
99 | { | |
100 | return !at91_get_gpio_value(AT91_PIN_PA15); /* Touchscreen PENIRQ */ | |
101 | } | |
102 | ||
103 | static struct ads7846_platform_data ads_info = { | |
104 | .model = 7843, | |
105 | .x_min = 150, | |
106 | .x_max = 3830, | |
107 | .y_min = 190, | |
108 | .y_max = 3830, | |
109 | .vref_delay_usecs = 100, | |
110 | .x_plate_ohms = 450, | |
111 | .y_plate_ohms = 250, | |
112 | .pressure_max = 15000, | |
113 | .debounce_max = 1, | |
114 | .debounce_rep = 0, | |
115 | .debounce_tol = (~0), | |
116 | .get_pendown_state = ads7843_pendown_state, | |
117 | }; | |
118 | ||
119 | static void __init ek_add_device_ts(void) | |
120 | { | |
121 | at91_set_B_periph(AT91_PIN_PA15, 1); /* External IRQ1, with pullup */ | |
122 | at91_set_gpio_input(AT91_PIN_PA31, 1); /* Touchscreen BUSY signal */ | |
123 | } | |
124 | #else | |
125 | static void __init ek_add_device_ts(void) {} | |
126 | #endif | |
127 | ||
e6d92e63 AV |
128 | /* |
129 | * SPI devices. | |
130 | */ | |
131 | static struct spi_board_info ek_spi_devices[] = { | |
132 | #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD) | |
133 | { /* DataFlash card */ | |
134 | .modalias = "mtd_dataflash", | |
135 | .chip_select = 0, | |
136 | .max_speed_hz = 15 * 1000 * 1000, | |
137 | .bus_num = 0, | |
138 | }, | |
139 | #endif | |
7c73628f AV |
140 | #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) |
141 | { | |
142 | .modalias = "ads7846", | |
143 | .chip_select = 3, | |
144 | .max_speed_hz = 125000 * 26, /* (max sample rate @ 3V) * (cmd + data + overhead) */ | |
145 | .bus_num = 0, | |
146 | .platform_data = &ads_info, | |
147 | .irq = AT91SAM9263_ID_IRQ1, | |
148 | }, | |
149 | #endif | |
e6d92e63 AV |
150 | }; |
151 | ||
152 | ||
153 | /* | |
154 | * MCI (SD/MMC) | |
155 | */ | |
156 | static struct at91_mmc_data __initdata ek_mmc_data = { | |
157 | .wire4 = 1, | |
158 | .det_pin = AT91_PIN_PE18, | |
159 | .wp_pin = AT91_PIN_PE19, | |
160 | // .vcc_pin = ... not connected | |
161 | }; | |
162 | ||
163 | ||
93afa752 AV |
164 | /* |
165 | * MACB Ethernet device | |
166 | */ | |
167 | static struct at91_eth_data __initdata ek_macb_data = { | |
a50d49db | 168 | .phy_irq_pin = AT91_PIN_PE31, |
93afa752 AV |
169 | .is_rmii = 1, |
170 | }; | |
171 | ||
172 | ||
e6d92e63 AV |
173 | /* |
174 | * NAND flash | |
175 | */ | |
176 | static struct mtd_partition __initdata ek_nand_partition[] = { | |
177 | { | |
178 | .name = "Partition 1", | |
179 | .offset = 0, | |
e505240b | 180 | .size = SZ_64M, |
e6d92e63 AV |
181 | }, |
182 | { | |
183 | .name = "Partition 2", | |
e505240b | 184 | .offset = MTDPART_OFS_NXTBLK, |
e6d92e63 AV |
185 | .size = MTDPART_SIZ_FULL, |
186 | }, | |
187 | }; | |
188 | ||
cdea4606 | 189 | static struct mtd_partition * __init nand_partitions(int size, int *num_partitions) |
e6d92e63 AV |
190 | { |
191 | *num_partitions = ARRAY_SIZE(ek_nand_partition); | |
192 | return ek_nand_partition; | |
193 | } | |
194 | ||
3c3796cc | 195 | static struct atmel_nand_data __initdata ek_nand_data = { |
e6d92e63 AV |
196 | .ale = 21, |
197 | .cle = 22, | |
198 | // .det_pin = ... not connected | |
199 | .rdy_pin = AT91_PIN_PA22, | |
200 | .enable_pin = AT91_PIN_PD15, | |
201 | .partition_info = nand_partitions, | |
e6d92e63 AV |
202 | }; |
203 | ||
8cdae51a AV |
204 | static struct sam9_smc_config __initdata ek_nand_smc_config = { |
205 | .ncs_read_setup = 0, | |
206 | .nrd_setup = 1, | |
207 | .ncs_write_setup = 0, | |
208 | .nwe_setup = 1, | |
209 | ||
210 | .ncs_read_pulse = 3, | |
211 | .nrd_pulse = 3, | |
212 | .ncs_write_pulse = 3, | |
213 | .nwe_pulse = 3, | |
214 | ||
215 | .read_cycle = 5, | |
216 | .write_cycle = 5, | |
217 | ||
218 | .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE, | |
219 | .tdf_cycles = 2, | |
220 | }; | |
221 | ||
222 | static void __init ek_add_device_nand(void) | |
223 | { | |
64393b3a | 224 | ek_nand_data.bus_width_16 = board_have_nand_16bit(); |
8cdae51a AV |
225 | /* setup bus-width (8 or 16) */ |
226 | if (ek_nand_data.bus_width_16) | |
227 | ek_nand_smc_config.mode |= AT91_SMC_DBW_16; | |
228 | else | |
229 | ek_nand_smc_config.mode |= AT91_SMC_DBW_8; | |
230 | ||
231 | /* configure chip-select 3 (NAND) */ | |
232 | sam9_smc_configure(3, &ek_nand_smc_config); | |
233 | ||
234 | at91_add_device_nand(&ek_nand_data); | |
235 | } | |
236 | ||
e6d92e63 | 237 | |
a745a622 DB |
238 | /* |
239 | * I2C devices | |
240 | */ | |
241 | static struct at24_platform_data at24c512 = { | |
242 | .byte_len = SZ_512K / 8, | |
243 | .page_size = 128, | |
244 | .flags = AT24_FLAG_ADDR16, | |
245 | }; | |
246 | ||
247 | ||
248 | static struct i2c_board_info __initdata ek_i2c_devices[] = { | |
249 | { | |
250 | I2C_BOARD_INFO("24c512", 0x50), | |
251 | .platform_data = &at24c512, | |
252 | }, | |
253 | /* more devices can be added using expansion connectors */ | |
254 | }; | |
255 | ||
cdf95c73 AV |
256 | /* |
257 | * LCD Controller | |
258 | */ | |
259 | #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE) | |
260 | static struct fb_videomode at91_tft_vga_modes[] = { | |
261 | { | |
e505240b | 262 | .name = "TX09D50VM1CCA @ 60", |
cdf95c73 AV |
263 | .refresh = 60, |
264 | .xres = 240, .yres = 320, | |
265 | .pixclock = KHZ2PICOS(4965), | |
266 | ||
267 | .left_margin = 1, .right_margin = 33, | |
268 | .upper_margin = 1, .lower_margin = 0, | |
269 | .hsync_len = 5, .vsync_len = 1, | |
270 | ||
271 | .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
272 | .vmode = FB_VMODE_NONINTERLACED, | |
273 | }, | |
274 | }; | |
275 | ||
276 | static struct fb_monspecs at91fb_default_monspecs = { | |
277 | .manufacturer = "HIT", | |
e505240b | 278 | .monitor = "TX09D70VM1CCA", |
cdf95c73 AV |
279 | |
280 | .modedb = at91_tft_vga_modes, | |
281 | .modedb_len = ARRAY_SIZE(at91_tft_vga_modes), | |
282 | .hfmin = 15000, | |
283 | .hfmax = 64000, | |
284 | .vfmin = 50, | |
285 | .vfmax = 150, | |
286 | }; | |
287 | ||
288 | #define AT91SAM9263_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \ | |
e505240b | 289 | | ATMEL_LCDC_DISTYPE_TFT \ |
cdf95c73 AV |
290 | | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE) |
291 | ||
292 | static void at91_lcdc_power_control(int on) | |
293 | { | |
6bb68f88 | 294 | at91_set_gpio_value(AT91_PIN_PA30, on); |
cdf95c73 AV |
295 | } |
296 | ||
297 | /* Driver datas */ | |
298 | static struct atmel_lcdfb_info __initdata ek_lcdc_data = { | |
a9a84c37 | 299 | .lcdcon_is_backlight = true, |
cdf95c73 AV |
300 | .default_bpp = 16, |
301 | .default_dmacon = ATMEL_LCDC_DMAEN, | |
302 | .default_lcdcon2 = AT91SAM9263_DEFAULT_LCDCON2, | |
303 | .default_monspecs = &at91fb_default_monspecs, | |
304 | .atmel_lcdfb_power_control = at91_lcdc_power_control, | |
305 | .guard_time = 1, | |
306 | }; | |
307 | ||
308 | #else | |
309 | static struct atmel_lcdfb_info __initdata ek_lcdc_data; | |
310 | #endif | |
311 | ||
312 | ||
eaf858a9 DB |
313 | /* |
314 | * GPIO Buttons | |
315 | */ | |
316 | #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) | |
317 | static struct gpio_keys_button ek_buttons[] = { | |
318 | { /* BP1, "leftclic" */ | |
319 | .code = BTN_LEFT, | |
320 | .gpio = AT91_PIN_PC5, | |
321 | .active_low = 1, | |
322 | .desc = "left_click", | |
323 | .wakeup = 1, | |
324 | }, | |
325 | { /* BP2, "rightclic" */ | |
326 | .code = BTN_RIGHT, | |
327 | .gpio = AT91_PIN_PC4, | |
328 | .active_low = 1, | |
329 | .desc = "right_click", | |
330 | .wakeup = 1, | |
77789ad8 | 331 | } |
eaf858a9 DB |
332 | }; |
333 | ||
334 | static struct gpio_keys_platform_data ek_button_data = { | |
335 | .buttons = ek_buttons, | |
336 | .nbuttons = ARRAY_SIZE(ek_buttons), | |
337 | }; | |
338 | ||
339 | static struct platform_device ek_button_device = { | |
340 | .name = "gpio-keys", | |
341 | .id = -1, | |
342 | .num_resources = 0, | |
343 | .dev = { | |
344 | .platform_data = &ek_button_data, | |
345 | } | |
346 | }; | |
347 | ||
348 | static void __init ek_add_device_buttons(void) | |
349 | { | |
77789ad8 | 350 | at91_set_GPIO_periph(AT91_PIN_PC5, 1); /* left button */ |
eaf858a9 | 351 | at91_set_deglitch(AT91_PIN_PC5, 1); |
77789ad8 | 352 | at91_set_GPIO_periph(AT91_PIN_PC4, 1); /* right button */ |
eaf858a9 DB |
353 | at91_set_deglitch(AT91_PIN_PC4, 1); |
354 | ||
355 | platform_device_register(&ek_button_device); | |
356 | } | |
357 | #else | |
358 | static void __init ek_add_device_buttons(void) {} | |
359 | #endif | |
360 | ||
361 | ||
93afa752 AV |
362 | /* |
363 | * AC97 | |
8c3cbd5a | 364 | * reset_pin is not connected: NRST |
93afa752 | 365 | */ |
d656f07a | 366 | static struct ac97c_platform_data ek_ac97_data = { |
93afa752 AV |
367 | }; |
368 | ||
369 | ||
1b41bdf6 AV |
370 | /* |
371 | * LEDs ... these could all be PWM-driven, for variable brightness | |
372 | */ | |
373 | static struct gpio_led ek_leds[] = { | |
a7307bf2 | 374 | { /* "right" led, green, userled2 (could be driven by pwm2) */ |
1b41bdf6 AV |
375 | .name = "ds2", |
376 | .gpio = AT91_PIN_PC29, | |
377 | .active_low = 1, | |
378 | .default_trigger = "nand-disk", | |
379 | }, | |
a7307bf2 | 380 | { /* "power" led, yellow (could be driven by pwm0) */ |
1b41bdf6 AV |
381 | .name = "ds3", |
382 | .gpio = AT91_PIN_PB7, | |
383 | .default_trigger = "heartbeat", | |
5b7659d1 | 384 | } |
1b41bdf6 AV |
385 | }; |
386 | ||
a7307bf2 AV |
387 | /* |
388 | * PWM Leds | |
389 | */ | |
390 | static struct gpio_led ek_pwm_led[] = { | |
391 | /* For now only DS1 is PWM-driven (by pwm1) */ | |
392 | { | |
393 | .name = "ds1", | |
394 | .gpio = 1, /* is PWM channel number */ | |
395 | .active_low = 1, | |
396 | .default_trigger = "none", | |
397 | } | |
398 | }; | |
399 | ||
a7a1a05f MKB |
400 | /* |
401 | * CAN | |
402 | */ | |
403 | static void sam9263ek_transceiver_switch(int on) | |
404 | { | |
405 | if (on) { | |
406 | at91_set_gpio_output(AT91_PIN_PA18, 1); /* CANRXEN */ | |
407 | at91_set_gpio_output(AT91_PIN_PA19, 0); /* CANRS */ | |
408 | } else { | |
409 | at91_set_gpio_output(AT91_PIN_PA18, 0); /* CANRXEN */ | |
410 | at91_set_gpio_output(AT91_PIN_PA19, 1); /* CANRS */ | |
411 | } | |
412 | } | |
413 | ||
414 | static struct at91_can_data ek_can_data = { | |
415 | .transceiver_switch = sam9263ek_transceiver_switch, | |
416 | }; | |
1b41bdf6 | 417 | |
e6d92e63 AV |
418 | static void __init ek_board_init(void) |
419 | { | |
420 | /* Serial */ | |
421 | at91_add_device_serial(); | |
422 | /* USB Host */ | |
423 | at91_add_device_usbh(&ek_usbh_data); | |
424 | /* USB Device */ | |
425 | at91_add_device_udc(&ek_udc_data); | |
426 | /* SPI */ | |
7c73628f | 427 | at91_set_gpio_output(AT91_PIN_PE20, 1); /* select spi0 clock */ |
e6d92e63 | 428 | at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices)); |
7c73628f AV |
429 | /* Touchscreen */ |
430 | ek_add_device_ts(); | |
e6d92e63 AV |
431 | /* MMC */ |
432 | at91_add_device_mmc(1, &ek_mmc_data); | |
93afa752 AV |
433 | /* Ethernet */ |
434 | at91_add_device_eth(&ek_macb_data); | |
e6d92e63 | 435 | /* NAND */ |
8cdae51a | 436 | ek_add_device_nand(); |
93afa752 | 437 | /* I2C */ |
a745a622 | 438 | at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices)); |
cdf95c73 AV |
439 | /* LCD Controller */ |
440 | at91_add_device_lcdc(&ek_lcdc_data); | |
eaf858a9 DB |
441 | /* Push Buttons */ |
442 | ek_add_device_buttons(); | |
93afa752 AV |
443 | /* AC97 */ |
444 | at91_add_device_ac97(&ek_ac97_data); | |
1b41bdf6 AV |
445 | /* LEDs */ |
446 | at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds)); | |
a7307bf2 | 447 | at91_pwm_leds(ek_pwm_led, ARRAY_SIZE(ek_pwm_led)); |
a7a1a05f MKB |
448 | /* CAN */ |
449 | at91_add_device_can(&ek_can_data); | |
e6d92e63 AV |
450 | } |
451 | ||
452 | MACHINE_START(AT91SAM9263EK, "Atmel AT91SAM9263-EK") | |
453 | /* Maintainer: Atmel */ | |
e6d92e63 | 454 | .timer = &at91sam926x_timer, |
1b021a3b JCPV |
455 | .map_io = at91sam9263_map_io, |
456 | .init_early = ek_init_early, | |
e6d92e63 AV |
457 | .init_irq = ek_init_irq, |
458 | .init_machine = ek_board_init, | |
459 | MACHINE_END |