2 * linux/arch/arm/mach-at91/board-sam9261ek.c
4 * Copyright (C) 2005 SAN People
5 * Copyright (C) 2006 Atmel
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.
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.
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
22 #include <linux/types.h>
23 #include <linux/init.h>
25 #include <linux/module.h>
26 #include <linux/platform_device.h>
27 #include <linux/spi/spi.h>
28 #include <linux/spi/ads7846.h>
29 #include <linux/dm9000.h>
31 #include <linux/gpio_keys.h>
32 #include <linux/input.h>
34 #include <video/atmel_lcdc.h>
36 #include <asm/hardware.h>
37 #include <asm/setup.h>
38 #include <asm/mach-types.h>
41 #include <asm/mach/arch.h>
42 #include <asm/mach/map.h>
43 #include <asm/mach/irq.h>
45 #include <asm/arch/board.h>
46 #include <asm/arch/gpio.h>
47 #include <asm/arch/at91sam9_smc.h>
52 static void __init ek_map_io(void)
54 /* Initialize processor: 18.432 MHz crystal */
55 at91sam9261_initialize(18432000);
58 at91_init_leds(AT91_PIN_PA13, AT91_PIN_PA14);
60 /* DGBU on ttyS0. (Rx & Tx only) */
61 at91_register_uart(0, 0, 0);
63 /* set serial console to ttyS0 (ie, DBGU) */
64 at91_set_serial_console(0);
67 static void __init ek_init_irq(void)
69 at91sam9261_init_interrupts(NULL);
74 * DM9000 ethernet device
76 #if defined(CONFIG_DM9000)
77 static struct resource at91sam9261_dm9000_resource[] = {
79 .start = AT91_CHIPSELECT_2,
80 .end = AT91_CHIPSELECT_2 + 3,
81 .flags = IORESOURCE_MEM
84 .start = AT91_CHIPSELECT_2 + 0x44,
85 .end = AT91_CHIPSELECT_2 + 0xFF,
86 .flags = IORESOURCE_MEM
89 .start = AT91_PIN_PC11,
91 .flags = IORESOURCE_IRQ
95 static struct dm9000_plat_data dm9000_platdata = {
96 .flags = DM9000_PLATF_16BITONLY,
99 static struct platform_device at91sam9261_dm9000_device = {
102 .num_resources = ARRAY_SIZE(at91sam9261_dm9000_resource),
103 .resource = at91sam9261_dm9000_resource,
105 .platform_data = &dm9000_platdata,
109 static void __init ek_add_device_dm9000(void)
112 * Configure Chip-Select 2 on SMC for the DM9000.
113 * Note: These timings were calculated for MASTER_CLOCK = 100000000
114 * according to the DM9000 timings.
116 at91_sys_write(AT91_SMC_SETUP(2), AT91_SMC_NWESETUP_(2) | AT91_SMC_NCS_WRSETUP_(0) | AT91_SMC_NRDSETUP_(2) | AT91_SMC_NCS_RDSETUP_(0));
117 at91_sys_write(AT91_SMC_PULSE(2), AT91_SMC_NWEPULSE_(4) | AT91_SMC_NCS_WRPULSE_(8) | AT91_SMC_NRDPULSE_(4) | AT91_SMC_NCS_RDPULSE_(8));
118 at91_sys_write(AT91_SMC_CYCLE(2), AT91_SMC_NWECYCLE_(16) | AT91_SMC_NRDCYCLE_(16));
119 at91_sys_write(AT91_SMC_MODE(2), AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_WRITE | AT91_SMC_DBW_16 | AT91_SMC_TDF_(1));
121 /* Configure Reset signal as output */
122 at91_set_gpio_output(AT91_PIN_PC10, 0);
124 /* Configure Interrupt pin as input, no pull-up */
125 at91_set_gpio_input(AT91_PIN_PC11, 0);
127 platform_device_register(&at91sam9261_dm9000_device);
130 static void __init ek_add_device_dm9000(void) {}
131 #endif /* CONFIG_DM9000 */
137 static struct at91_usbh_data __initdata ek_usbh_data = {
145 static struct at91_udc_data __initdata ek_udc_data = {
146 .vbus_pin = AT91_PIN_PB29,
147 .pullup_pin = 0, /* pull-up driven by UDC */
154 static struct at91_mmc_data __initdata ek_mmc_data = {
156 // .det_pin = ... not connected
157 // .wp_pin = ... not connected
158 // .vcc_pin = ... not connected
165 static struct mtd_partition __initdata ek_nand_partition[] = {
167 .name = "Partition 1",
172 .name = "Partition 2",
173 .offset = 256 * 1024 ,
174 .size = MTDPART_SIZ_FULL,
178 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
180 *num_partitions = ARRAY_SIZE(ek_nand_partition);
181 return ek_nand_partition;
184 static struct at91_nand_data __initdata ek_nand_data = {
187 // .det_pin = ... not connected
188 .rdy_pin = AT91_PIN_PC15,
189 .enable_pin = AT91_PIN_PC14,
190 .partition_info = nand_partitions,
191 #if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16)
199 * ADS7846 Touchscreen
201 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
203 static int ads7843_pendown_state(void)
205 return !at91_get_gpio_value(AT91_PIN_PC2); /* Touchscreen PENIRQ */
208 static struct ads7846_platform_data ads_info = {
214 .vref_delay_usecs = 100,
217 .pressure_max = 15000,
220 .debounce_tol = (~0),
221 .get_pendown_state = ads7843_pendown_state,
224 static void __init ek_add_device_ts(void)
226 at91_set_B_periph(AT91_PIN_PC2, 1); /* External IRQ0, with pullup */
227 at91_set_gpio_input(AT91_PIN_PA11, 1); /* Touchscreen BUSY signal */
230 static void __init ek_add_device_ts(void) {}
236 static struct spi_board_info ek_spi_devices[] = {
237 { /* DataFlash chip */
238 .modalias = "mtd_dataflash",
240 .max_speed_hz = 15 * 1000 * 1000,
243 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
245 .modalias = "ads7846",
247 .max_speed_hz = 125000 * 26, /* (max sample rate @ 3V) * (cmd + data + overhead) */
249 .platform_data = &ads_info,
250 .irq = AT91SAM9261_ID_IRQ0,
253 #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
254 { /* DataFlash card - jumper (J12) configurable to CS3 or CS0 */
255 .modalias = "mtd_dataflash",
257 .max_speed_hz = 15 * 1000 * 1000,
260 #elif defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
262 .modalias = "at73c213",
264 .max_speed_hz = 10 * 1000 * 1000,
274 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
276 #if defined(CONFIG_FB_ATMEL_STN)
279 static struct fb_videomode at91_stn_modes[] = {
281 .name = "SP06Q002 @ 75",
283 .xres = 320, .yres = 240,
284 .pixclock = KHZ2PICOS(1440),
286 .left_margin = 1, .right_margin = 1,
287 .upper_margin = 0, .lower_margin = 0,
288 .hsync_len = 1, .vsync_len = 1,
290 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
291 .vmode = FB_VMODE_NONINTERLACED,
295 static struct fb_monspecs at91fb_default_stn_monspecs = {
296 .manufacturer = "HIT",
297 .monitor = "SP06Q002",
299 .modedb = at91_stn_modes,
300 .modedb_len = ARRAY_SIZE(at91_stn_modes),
307 #define AT91SAM9261_DEFAULT_STN_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
308 | ATMEL_LCDC_DISTYPE_STNMONO \
309 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE \
310 | ATMEL_LCDC_IFWIDTH_4 \
311 | ATMEL_LCDC_SCANMOD_SINGLE)
313 static void at91_lcdc_stn_power_control(int on)
316 if (on) { /* power up */
317 at91_set_gpio_value(AT91_PIN_PC14, 0);
318 at91_set_gpio_value(AT91_PIN_PC15, 0);
319 } else { /* power down */
320 at91_set_gpio_value(AT91_PIN_PC14, 1);
321 at91_set_gpio_value(AT91_PIN_PC15, 1);
325 static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
327 .default_dmacon = ATMEL_LCDC_DMAEN,
328 .default_lcdcon2 = AT91SAM9261_DEFAULT_STN_LCDCON2,
329 .default_monspecs = &at91fb_default_stn_monspecs,
330 .atmel_lcdfb_power_control = at91_lcdc_stn_power_control,
337 static struct fb_videomode at91_tft_vga_modes[] = {
339 .name = "TX09D50VM1CCA @ 60",
341 .xres = 240, .yres = 320,
342 .pixclock = KHZ2PICOS(4965),
344 .left_margin = 1, .right_margin = 33,
345 .upper_margin = 1, .lower_margin = 0,
346 .hsync_len = 5, .vsync_len = 1,
348 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
349 .vmode = FB_VMODE_NONINTERLACED,
353 static struct fb_monspecs at91fb_default_tft_monspecs = {
354 .manufacturer = "HIT",
355 .monitor = "TX09D50VM1CCA",
357 .modedb = at91_tft_vga_modes,
358 .modedb_len = ARRAY_SIZE(at91_tft_vga_modes),
365 #define AT91SAM9261_DEFAULT_TFT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
366 | ATMEL_LCDC_DISTYPE_TFT \
367 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
369 static void at91_lcdc_tft_power_control(int on)
372 at91_set_gpio_value(AT91_PIN_PA12, 0); /* power up */
374 at91_set_gpio_value(AT91_PIN_PA12, 1); /* power down */
377 static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
378 .lcdcon_is_backlight = true,
380 .default_dmacon = ATMEL_LCDC_DMAEN,
381 .default_lcdcon2 = AT91SAM9261_DEFAULT_TFT_LCDCON2,
382 .default_monspecs = &at91fb_default_tft_monspecs,
383 .atmel_lcdfb_power_control = at91_lcdc_tft_power_control,
389 static struct atmel_lcdfb_info __initdata ek_lcdc_data;
396 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
397 static struct gpio_keys_button ek_buttons[] = {
399 .gpio = AT91_PIN_PA27,
405 .gpio = AT91_PIN_PA26,
411 .gpio = AT91_PIN_PA25,
417 .gpio = AT91_PIN_PA24,
424 static struct gpio_keys_platform_data ek_button_data = {
425 .buttons = ek_buttons,
426 .nbuttons = ARRAY_SIZE(ek_buttons),
429 static struct platform_device ek_button_device = {
434 .platform_data = &ek_button_data,
438 static void __init ek_add_device_buttons(void)
440 at91_set_gpio_input(AT91_PIN_PA27, 0); /* btn0 */
441 at91_set_deglitch(AT91_PIN_PA27, 1);
442 at91_set_gpio_input(AT91_PIN_PA26, 0); /* btn1 */
443 at91_set_deglitch(AT91_PIN_PA26, 1);
444 at91_set_gpio_input(AT91_PIN_PA25, 0); /* btn2 */
445 at91_set_deglitch(AT91_PIN_PA25, 1);
446 at91_set_gpio_input(AT91_PIN_PA24, 0); /* btn3 */
447 at91_set_deglitch(AT91_PIN_PA24, 1);
449 platform_device_register(&ek_button_device);
452 static void __init ek_add_device_buttons(void) {}
455 static void __init ek_board_init(void)
458 at91_add_device_serial();
460 at91_add_device_usbh(&ek_usbh_data);
462 at91_add_device_udc(&ek_udc_data);
464 at91_add_device_i2c(NULL, 0);
466 at91_add_device_nand(&ek_nand_data);
467 /* DM9000 ethernet */
468 ek_add_device_dm9000();
470 /* spi0 and mmc/sd share the same PIO pins */
471 #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
473 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
478 at91_add_device_mmc(0, &ek_mmc_data);
481 at91_add_device_lcdc(&ek_lcdc_data);
483 ek_add_device_buttons();
486 MACHINE_START(AT91SAM9261EK, "Atmel AT91SAM9261-EK")
487 /* Maintainer: Atmel */
488 .phys_io = AT91_BASE_SYS,
489 .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
490 .boot_params = AT91_SDRAM_BASE + 0x100,
491 .timer = &at91sam926x_timer,
493 .init_irq = ek_init_irq,
494 .init_machine = ek_board_init,