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Andrew Victore6d92e62007-02-08 10:22:16 +01001/*
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>
Andrew Victor7c736282007-05-02 18:00:45 +010028#include <linux/spi/ads7846.h>
David Brownella745a622008-09-05 00:34:50 +010029#include <linux/i2c/at24.h>
Andrew Victorcdf95c72007-05-14 15:08:21 +010030#include <linux/fb.h>
David Brownelleaf858a2008-01-14 08:53:22 +010031#include <linux/gpio_keys.h>
32#include <linux/input.h>
Andrew Victora7307bf2008-09-21 21:31:16 +010033#include <linux/leds.h>
Andrew Victorcdf95c72007-05-14 15:08:21 +010034
35#include <video/atmel_lcdc.h>
Andrew Victore6d92e62007-02-08 10:22:16 +010036
Andrew Victore6d92e62007-02-08 10:22:16 +010037#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
Andrew Victore5052402008-09-21 21:30:02 +010045#include <mach/hardware.h>
Russell Kinga09e64f2008-08-05 16:14:15 +010046#include <mach/board.h>
47#include <mach/gpio.h>
48#include <mach/at91sam9_smc.h>
Andrew Victor8cdae512008-10-06 20:05:35 +010049#include <mach/at91_shdwc.h>
Jean-Christophe PLAGNIOL-VILLARD76b2ab72011-04-14 00:34:03 +080050#include <mach/system_rev.h>
Andrew Victore6d92e62007-02-08 10:22:16 +010051
Andrew Victor8cdae512008-10-06 20:05:35 +010052#include "sam9_smc.h"
Andrew Victore6d92e62007-02-08 10:22:16 +010053#include "generic.h"
54
55
Jean-Christophe PLAGNIOL-VILLARD1b021a32011-04-28 20:19:32 +080056static void __init ek_init_early(void)
Andrew Victore6d92e62007-02-08 10:22:16 +010057{
58 /* Initialize processor: 16.367 MHz crystal */
Jean-Christophe PLAGNIOL-VILLARD21d08b92011-04-23 15:28:34 +080059 at91_initialize(16367660);
Andrew Victore6d92e62007-02-08 10:22:16 +010060
Samuel R. C. Vale4f379402009-07-10 12:07:15 -030061 /* DBGU on ttyS0. (Rx & Tx only) */
Andrew Victora3da1222008-04-02 21:47:29 +010062 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);
Andrew Victore6d92e62007-02-08 10:22:16 +010069}
70
Andrew Victore6d92e62007-02-08 10:22:16 +010071/*
72 * USB Host port
73 */
74static struct at91_usbh_data __initdata ek_usbh_data = {
75 .ports = 2,
76 .vbus_pin = { AT91_PIN_PA24, AT91_PIN_PA21 },
77};
78
79/*
80 * USB Device port
81 */
82static struct at91_udc_data __initdata ek_udc_data = {
83 .vbus_pin = AT91_PIN_PA25,
84 .pullup_pin = 0, /* pull-up driven by UDC */
85};
86
87
88/*
Andrew Victor7c736282007-05-02 18:00:45 +010089 * ADS7846 Touchscreen
90 */
91#if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
92static int ads7843_pendown_state(void)
93{
94 return !at91_get_gpio_value(AT91_PIN_PA15); /* Touchscreen PENIRQ */
95}
96
97static struct ads7846_platform_data ads_info = {
98 .model = 7843,
99 .x_min = 150,
100 .x_max = 3830,
101 .y_min = 190,
102 .y_max = 3830,
103 .vref_delay_usecs = 100,
104 .x_plate_ohms = 450,
105 .y_plate_ohms = 250,
106 .pressure_max = 15000,
107 .debounce_max = 1,
108 .debounce_rep = 0,
109 .debounce_tol = (~0),
110 .get_pendown_state = ads7843_pendown_state,
111};
112
113static void __init ek_add_device_ts(void)
114{
115 at91_set_B_periph(AT91_PIN_PA15, 1); /* External IRQ1, with pullup */
116 at91_set_gpio_input(AT91_PIN_PA31, 1); /* Touchscreen BUSY signal */
117}
118#else
119static void __init ek_add_device_ts(void) {}
120#endif
121
122/*
Andrew Victore6d92e62007-02-08 10:22:16 +0100123 * SPI devices.
124 */
125static struct spi_board_info ek_spi_devices[] = {
126#if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
127 { /* DataFlash card */
128 .modalias = "mtd_dataflash",
129 .chip_select = 0,
130 .max_speed_hz = 15 * 1000 * 1000,
131 .bus_num = 0,
132 },
133#endif
Andrew Victor7c736282007-05-02 18:00:45 +0100134#if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
135 {
136 .modalias = "ads7846",
137 .chip_select = 3,
138 .max_speed_hz = 125000 * 26, /* (max sample rate @ 3V) * (cmd + data + overhead) */
139 .bus_num = 0,
140 .platform_data = &ads_info,
141 .irq = AT91SAM9263_ID_IRQ1,
142 },
143#endif
Andrew Victore6d92e62007-02-08 10:22:16 +0100144};
145
146
147/*
148 * MCI (SD/MMC)
149 */
150static struct at91_mmc_data __initdata ek_mmc_data = {
151 .wire4 = 1,
152 .det_pin = AT91_PIN_PE18,
153 .wp_pin = AT91_PIN_PE19,
154// .vcc_pin = ... not connected
155};
156
157
158/*
Andrew Victor93afa752007-05-03 14:39:41 +0100159 * MACB Ethernet device
160 */
161static struct at91_eth_data __initdata ek_macb_data = {
David Brownella50d49db2007-12-28 02:04:52 +0100162 .phy_irq_pin = AT91_PIN_PE31,
Andrew Victor93afa752007-05-03 14:39:41 +0100163 .is_rmii = 1,
164};
165
166
167/*
Andrew Victore6d92e62007-02-08 10:22:16 +0100168 * NAND flash
169 */
170static struct mtd_partition __initdata ek_nand_partition[] = {
171 {
172 .name = "Partition 1",
173 .offset = 0,
Andrew Victore5052402008-09-21 21:30:02 +0100174 .size = SZ_64M,
Andrew Victore6d92e62007-02-08 10:22:16 +0100175 },
176 {
177 .name = "Partition 2",
Andrew Victore5052402008-09-21 21:30:02 +0100178 .offset = MTDPART_OFS_NXTBLK,
Andrew Victore6d92e62007-02-08 10:22:16 +0100179 .size = MTDPART_SIZ_FULL,
180 },
181};
182
Russell Kingcdea4602007-05-30 17:48:45 +0100183static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
Andrew Victore6d92e62007-02-08 10:22:16 +0100184{
185 *num_partitions = ARRAY_SIZE(ek_nand_partition);
186 return ek_nand_partition;
187}
188
HÃ¥vard Skinnemoen3c3796c2008-06-06 18:04:53 +0200189static struct atmel_nand_data __initdata ek_nand_data = {
Andrew Victore6d92e62007-02-08 10:22:16 +0100190 .ale = 21,
191 .cle = 22,
192// .det_pin = ... not connected
193 .rdy_pin = AT91_PIN_PA22,
194 .enable_pin = AT91_PIN_PD15,
195 .partition_info = nand_partitions,
Andrew Victore6d92e62007-02-08 10:22:16 +0100196};
197
Andrew Victor8cdae512008-10-06 20:05:35 +0100198static struct sam9_smc_config __initdata ek_nand_smc_config = {
199 .ncs_read_setup = 0,
200 .nrd_setup = 1,
201 .ncs_write_setup = 0,
202 .nwe_setup = 1,
203
204 .ncs_read_pulse = 3,
205 .nrd_pulse = 3,
206 .ncs_write_pulse = 3,
207 .nwe_pulse = 3,
208
209 .read_cycle = 5,
210 .write_cycle = 5,
211
212 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
213 .tdf_cycles = 2,
214};
215
216static void __init ek_add_device_nand(void)
217{
Nicolas Ferre64393b32011-07-01 12:25:24 +0200218 ek_nand_data.bus_width_16 = board_have_nand_16bit();
Andrew Victor8cdae512008-10-06 20:05:35 +0100219 /* setup bus-width (8 or 16) */
220 if (ek_nand_data.bus_width_16)
221 ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
222 else
223 ek_nand_smc_config.mode |= AT91_SMC_DBW_8;
224
225 /* configure chip-select 3 (NAND) */
226 sam9_smc_configure(3, &ek_nand_smc_config);
227
228 at91_add_device_nand(&ek_nand_data);
229}
230
Andrew Victore6d92e62007-02-08 10:22:16 +0100231
Andrew Victor93afa752007-05-03 14:39:41 +0100232/*
David Brownella745a622008-09-05 00:34:50 +0100233 * I2C devices
234 */
235static struct at24_platform_data at24c512 = {
236 .byte_len = SZ_512K / 8,
237 .page_size = 128,
238 .flags = AT24_FLAG_ADDR16,
239};
240
241
242static struct i2c_board_info __initdata ek_i2c_devices[] = {
243 {
244 I2C_BOARD_INFO("24c512", 0x50),
245 .platform_data = &at24c512,
246 },
247 /* more devices can be added using expansion connectors */
248};
249
250/*
Andrew Victorcdf95c72007-05-14 15:08:21 +0100251 * LCD Controller
252 */
253#if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
254static struct fb_videomode at91_tft_vga_modes[] = {
255 {
Andrew Victore5052402008-09-21 21:30:02 +0100256 .name = "TX09D50VM1CCA @ 60",
Andrew Victorcdf95c72007-05-14 15:08:21 +0100257 .refresh = 60,
258 .xres = 240, .yres = 320,
259 .pixclock = KHZ2PICOS(4965),
260
261 .left_margin = 1, .right_margin = 33,
262 .upper_margin = 1, .lower_margin = 0,
263 .hsync_len = 5, .vsync_len = 1,
264
265 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
266 .vmode = FB_VMODE_NONINTERLACED,
267 },
268};
269
270static struct fb_monspecs at91fb_default_monspecs = {
271 .manufacturer = "HIT",
Andrew Victore5052402008-09-21 21:30:02 +0100272 .monitor = "TX09D70VM1CCA",
Andrew Victorcdf95c72007-05-14 15:08:21 +0100273
274 .modedb = at91_tft_vga_modes,
275 .modedb_len = ARRAY_SIZE(at91_tft_vga_modes),
276 .hfmin = 15000,
277 .hfmax = 64000,
278 .vfmin = 50,
279 .vfmax = 150,
280};
281
282#define AT91SAM9263_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
Andrew Victore5052402008-09-21 21:30:02 +0100283 | ATMEL_LCDC_DISTYPE_TFT \
Andrew Victorcdf95c72007-05-14 15:08:21 +0100284 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
285
286static void at91_lcdc_power_control(int on)
287{
Nicolas Ferre6bb68f82008-03-04 15:08:02 -0800288 at91_set_gpio_value(AT91_PIN_PA30, on);
Andrew Victorcdf95c72007-05-14 15:08:21 +0100289}
290
291/* Driver datas */
292static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
David Brownella9a84c32008-02-06 01:39:26 -0800293 .lcdcon_is_backlight = true,
Andrew Victorcdf95c72007-05-14 15:08:21 +0100294 .default_bpp = 16,
295 .default_dmacon = ATMEL_LCDC_DMAEN,
296 .default_lcdcon2 = AT91SAM9263_DEFAULT_LCDCON2,
297 .default_monspecs = &at91fb_default_monspecs,
298 .atmel_lcdfb_power_control = at91_lcdc_power_control,
299 .guard_time = 1,
300};
301
302#else
303static struct atmel_lcdfb_info __initdata ek_lcdc_data;
304#endif
305
306
307/*
David Brownelleaf858a2008-01-14 08:53:22 +0100308 * GPIO Buttons
309 */
310#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
311static struct gpio_keys_button ek_buttons[] = {
312 { /* BP1, "leftclic" */
313 .code = BTN_LEFT,
314 .gpio = AT91_PIN_PC5,
315 .active_low = 1,
316 .desc = "left_click",
317 .wakeup = 1,
318 },
319 { /* BP2, "rightclic" */
320 .code = BTN_RIGHT,
321 .gpio = AT91_PIN_PC4,
322 .active_low = 1,
323 .desc = "right_click",
324 .wakeup = 1,
Andrew Victor77789ad2008-09-21 21:34:06 +0100325 }
David Brownelleaf858a2008-01-14 08:53:22 +0100326};
327
328static struct gpio_keys_platform_data ek_button_data = {
329 .buttons = ek_buttons,
330 .nbuttons = ARRAY_SIZE(ek_buttons),
331};
332
333static struct platform_device ek_button_device = {
334 .name = "gpio-keys",
335 .id = -1,
336 .num_resources = 0,
337 .dev = {
338 .platform_data = &ek_button_data,
339 }
340};
341
342static void __init ek_add_device_buttons(void)
343{
Andrew Victor77789ad2008-09-21 21:34:06 +0100344 at91_set_GPIO_periph(AT91_PIN_PC5, 1); /* left button */
David Brownelleaf858a2008-01-14 08:53:22 +0100345 at91_set_deglitch(AT91_PIN_PC5, 1);
Andrew Victor77789ad2008-09-21 21:34:06 +0100346 at91_set_GPIO_periph(AT91_PIN_PC4, 1); /* right button */
David Brownelleaf858a2008-01-14 08:53:22 +0100347 at91_set_deglitch(AT91_PIN_PC4, 1);
348
349 platform_device_register(&ek_button_device);
350}
351#else
352static void __init ek_add_device_buttons(void) {}
353#endif
354
355
356/*
Andrew Victor93afa752007-05-03 14:39:41 +0100357 * AC97
Nicolas Ferre8c3cbd52009-08-26 15:33:16 +0100358 * reset_pin is not connected: NRST
Andrew Victor93afa752007-05-03 14:39:41 +0100359 */
sedji gaouaoud656f072009-08-06 15:20:22 +0100360static struct ac97c_platform_data ek_ac97_data = {
Andrew Victor93afa752007-05-03 14:39:41 +0100361};
362
363
Andrew Victor1b41bdf2008-01-23 09:32:17 +0100364/*
365 * LEDs ... these could all be PWM-driven, for variable brightness
366 */
367static struct gpio_led ek_leds[] = {
Andrew Victora7307bf2008-09-21 21:31:16 +0100368 { /* "right" led, green, userled2 (could be driven by pwm2) */
Andrew Victor1b41bdf2008-01-23 09:32:17 +0100369 .name = "ds2",
370 .gpio = AT91_PIN_PC29,
371 .active_low = 1,
372 .default_trigger = "nand-disk",
373 },
Andrew Victora7307bf2008-09-21 21:31:16 +0100374 { /* "power" led, yellow (could be driven by pwm0) */
Andrew Victor1b41bdf2008-01-23 09:32:17 +0100375 .name = "ds3",
376 .gpio = AT91_PIN_PB7,
377 .default_trigger = "heartbeat",
Andrew Victor5b7659d2008-04-02 22:20:45 +0100378 }
Andrew Victor1b41bdf2008-01-23 09:32:17 +0100379};
380
Andrew Victora7307bf2008-09-21 21:31:16 +0100381/*
382 * PWM Leds
383 */
384static struct gpio_led ek_pwm_led[] = {
385 /* For now only DS1 is PWM-driven (by pwm1) */
386 {
387 .name = "ds1",
388 .gpio = 1, /* is PWM channel number */
389 .active_low = 1,
390 .default_trigger = "none",
391 }
392};
393
Marc Kleine-Buddea7a1a052009-09-16 23:37:33 +0000394/*
395 * CAN
396 */
397static void sam9263ek_transceiver_switch(int on)
398{
399 if (on) {
400 at91_set_gpio_output(AT91_PIN_PA18, 1); /* CANRXEN */
401 at91_set_gpio_output(AT91_PIN_PA19, 0); /* CANRS */
402 } else {
403 at91_set_gpio_output(AT91_PIN_PA18, 0); /* CANRXEN */
404 at91_set_gpio_output(AT91_PIN_PA19, 1); /* CANRS */
405 }
406}
407
408static struct at91_can_data ek_can_data = {
409 .transceiver_switch = sam9263ek_transceiver_switch,
410};
Andrew Victor1b41bdf2008-01-23 09:32:17 +0100411
Andrew Victore6d92e62007-02-08 10:22:16 +0100412static void __init ek_board_init(void)
413{
414 /* Serial */
415 at91_add_device_serial();
416 /* USB Host */
417 at91_add_device_usbh(&ek_usbh_data);
418 /* USB Device */
419 at91_add_device_udc(&ek_udc_data);
420 /* SPI */
Andrew Victor7c736282007-05-02 18:00:45 +0100421 at91_set_gpio_output(AT91_PIN_PE20, 1); /* select spi0 clock */
Andrew Victore6d92e62007-02-08 10:22:16 +0100422 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
Andrew Victor7c736282007-05-02 18:00:45 +0100423 /* Touchscreen */
424 ek_add_device_ts();
Andrew Victore6d92e62007-02-08 10:22:16 +0100425 /* MMC */
426 at91_add_device_mmc(1, &ek_mmc_data);
Andrew Victor93afa752007-05-03 14:39:41 +0100427 /* Ethernet */
428 at91_add_device_eth(&ek_macb_data);
Andrew Victore6d92e62007-02-08 10:22:16 +0100429 /* NAND */
Andrew Victor8cdae512008-10-06 20:05:35 +0100430 ek_add_device_nand();
Andrew Victor93afa752007-05-03 14:39:41 +0100431 /* I2C */
David Brownella745a622008-09-05 00:34:50 +0100432 at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices));
Andrew Victorcdf95c72007-05-14 15:08:21 +0100433 /* LCD Controller */
434 at91_add_device_lcdc(&ek_lcdc_data);
David Brownelleaf858a2008-01-14 08:53:22 +0100435 /* Push Buttons */
436 ek_add_device_buttons();
Andrew Victor93afa752007-05-03 14:39:41 +0100437 /* AC97 */
438 at91_add_device_ac97(&ek_ac97_data);
Andrew Victor1b41bdf2008-01-23 09:32:17 +0100439 /* LEDs */
440 at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
Andrew Victora7307bf2008-09-21 21:31:16 +0100441 at91_pwm_leds(ek_pwm_led, ARRAY_SIZE(ek_pwm_led));
Marc Kleine-Buddea7a1a052009-09-16 23:37:33 +0000442 /* CAN */
443 at91_add_device_can(&ek_can_data);
Andrew Victore6d92e62007-02-08 10:22:16 +0100444}
445
446MACHINE_START(AT91SAM9263EK, "Atmel AT91SAM9263-EK")
447 /* Maintainer: Atmel */
Andrew Victore6d92e62007-02-08 10:22:16 +0100448 .timer = &at91sam926x_timer,
Jean-Christophe PLAGNIOL-VILLARD21d08b92011-04-23 15:28:34 +0800449 .map_io = at91_map_io,
Jean-Christophe PLAGNIOL-VILLARD1b021a32011-04-28 20:19:32 +0800450 .init_early = ek_init_early,
Jean-Christophe PLAGNIOL-VILLARD92100c12011-04-23 15:28:34 +0800451 .init_irq = at91_init_irq_default,
Andrew Victore6d92e62007-02-08 10:22:16 +0100452 .init_machine = ek_board_init,
453MACHINE_END