Merge remote-tracking branch 'moduleh/module.h-split'
[linux-2.6/next.git] / arch / arm / mach-at91 / board-sam9260ek.c
blob4f10181a07822b4a4a93b0634aa668f428951a19
1 /*
2 * linux/arch/arm/mach-at91/board-sam9260ek.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/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/at73c213.h>
30 #include <linux/clk.h>
31 #include <linux/i2c/at24.h>
32 #include <linux/gpio_keys.h>
33 #include <linux/input.h>
35 #include <asm/setup.h>
36 #include <asm/mach-types.h>
37 #include <asm/irq.h>
39 #include <asm/mach/arch.h>
40 #include <asm/mach/map.h>
41 #include <asm/mach/irq.h>
43 #include <mach/hardware.h>
44 #include <mach/board.h>
45 #include <mach/at91sam9_smc.h>
46 #include <mach/at91_shdwc.h>
47 #include <mach/system_rev.h>
49 #include "sam9_smc.h"
50 #include "generic.h"
53 static void __init ek_init_early(void)
55 /* Initialize processor: 18.432 MHz crystal */
56 at91_initialize(18432000);
58 /* DBGU on ttyS0. (Rx & Tx only) */
59 at91_register_uart(0, 0, 0);
61 /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
62 at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
63 | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
64 | ATMEL_UART_RI);
66 /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
67 at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
69 /* set serial console to ttyS0 (ie, DBGU) */
70 at91_set_serial_console(0);
74 * USB Host port
76 static struct at91_usbh_data __initdata ek_usbh_data = {
77 .ports = 2,
81 * USB Device port
83 static struct at91_udc_data __initdata ek_udc_data = {
84 .vbus_pin = AT91_PIN_PC5,
85 .pullup_pin = 0, /* pull-up driven by UDC */
90 * Audio
92 static struct at73c213_board_info at73c213_data = {
93 .ssc_id = 0,
94 .shortname = "AT91SAM9260-EK external DAC",
97 #if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
98 static void __init at73c213_set_clk(struct at73c213_board_info *info)
100 struct clk *pck0;
101 struct clk *plla;
103 pck0 = clk_get(NULL, "pck0");
104 plla = clk_get(NULL, "plla");
106 /* AT73C213 MCK Clock */
107 at91_set_B_periph(AT91_PIN_PC1, 0); /* PCK0 */
109 clk_set_parent(pck0, plla);
110 clk_put(plla);
112 info->dac_clk = pck0;
114 #else
115 static void __init at73c213_set_clk(struct at73c213_board_info *info) {}
116 #endif
119 * SPI devices.
121 static struct spi_board_info ek_spi_devices[] = {
122 #if !defined(CONFIG_MMC_AT91)
123 { /* DataFlash chip */
124 .modalias = "mtd_dataflash",
125 .chip_select = 1,
126 .max_speed_hz = 15 * 1000 * 1000,
127 .bus_num = 0,
129 #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
130 { /* DataFlash card */
131 .modalias = "mtd_dataflash",
132 .chip_select = 0,
133 .max_speed_hz = 15 * 1000 * 1000,
134 .bus_num = 0,
136 #endif
137 #endif
138 #if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
139 { /* AT73C213 DAC */
140 .modalias = "at73c213",
141 .chip_select = 0,
142 .max_speed_hz = 10 * 1000 * 1000,
143 .bus_num = 1,
144 .mode = SPI_MODE_1,
145 .platform_data = &at73c213_data,
147 #endif
152 * MACB Ethernet device
154 static struct at91_eth_data __initdata ek_macb_data = {
155 .phy_irq_pin = AT91_PIN_PA7,
156 .is_rmii = 1,
161 * NAND flash
163 static struct mtd_partition __initdata ek_nand_partition[] = {
165 .name = "Partition 1",
166 .offset = 0,
167 .size = SZ_256K,
170 .name = "Partition 2",
171 .offset = MTDPART_OFS_NXTBLK,
172 .size = MTDPART_SIZ_FULL,
176 static struct atmel_nand_data __initdata ek_nand_data = {
177 .ale = 21,
178 .cle = 22,
179 // .det_pin = ... not connected
180 .rdy_pin = AT91_PIN_PC13,
181 .enable_pin = AT91_PIN_PC14,
182 .parts = ek_nand_partition,
183 .num_parts = ARRAY_SIZE(ek_nand_partition),
186 static struct sam9_smc_config __initdata ek_nand_smc_config = {
187 .ncs_read_setup = 0,
188 .nrd_setup = 1,
189 .ncs_write_setup = 0,
190 .nwe_setup = 1,
192 .ncs_read_pulse = 3,
193 .nrd_pulse = 3,
194 .ncs_write_pulse = 3,
195 .nwe_pulse = 3,
197 .read_cycle = 5,
198 .write_cycle = 5,
200 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
201 .tdf_cycles = 2,
204 static void __init ek_add_device_nand(void)
206 ek_nand_data.bus_width_16 = board_have_nand_16bit();
207 /* setup bus-width (8 or 16) */
208 if (ek_nand_data.bus_width_16)
209 ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
210 else
211 ek_nand_smc_config.mode |= AT91_SMC_DBW_8;
213 /* configure chip-select 3 (NAND) */
214 sam9_smc_configure(3, &ek_nand_smc_config);
216 at91_add_device_nand(&ek_nand_data);
221 * MCI (SD/MMC)
223 static struct at91_mmc_data __initdata ek_mmc_data = {
224 .slot_b = 1,
225 .wire4 = 1,
226 // .det_pin = ... not connected
227 // .wp_pin = ... not connected
228 // .vcc_pin = ... not connected
233 * LEDs
235 static struct gpio_led ek_leds[] = {
236 { /* "bottom" led, green, userled1 to be defined */
237 .name = "ds5",
238 .gpio = AT91_PIN_PA6,
239 .active_low = 1,
240 .default_trigger = "none",
242 { /* "power" led, yellow */
243 .name = "ds1",
244 .gpio = AT91_PIN_PA9,
245 .default_trigger = "heartbeat",
250 * I2C devices
252 static struct at24_platform_data at24c512 = {
253 .byte_len = SZ_512K / 8,
254 .page_size = 128,
255 .flags = AT24_FLAG_ADDR16,
258 static struct i2c_board_info __initdata ek_i2c_devices[] = {
260 I2C_BOARD_INFO("24c512", 0x50),
261 .platform_data = &at24c512,
263 /* more devices can be added using expansion connectors */
268 * GPIO Buttons
270 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
271 static struct gpio_keys_button ek_buttons[] = {
273 .gpio = AT91_PIN_PA30,
274 .code = BTN_3,
275 .desc = "Button 3",
276 .active_low = 1,
277 .wakeup = 1,
280 .gpio = AT91_PIN_PA31,
281 .code = BTN_4,
282 .desc = "Button 4",
283 .active_low = 1,
284 .wakeup = 1,
288 static struct gpio_keys_platform_data ek_button_data = {
289 .buttons = ek_buttons,
290 .nbuttons = ARRAY_SIZE(ek_buttons),
293 static struct platform_device ek_button_device = {
294 .name = "gpio-keys",
295 .id = -1,
296 .num_resources = 0,
297 .dev = {
298 .platform_data = &ek_button_data,
302 static void __init ek_add_device_buttons(void)
304 at91_set_gpio_input(AT91_PIN_PA30, 1); /* btn3 */
305 at91_set_deglitch(AT91_PIN_PA30, 1);
306 at91_set_gpio_input(AT91_PIN_PA31, 1); /* btn4 */
307 at91_set_deglitch(AT91_PIN_PA31, 1);
309 platform_device_register(&ek_button_device);
311 #else
312 static void __init ek_add_device_buttons(void) {}
313 #endif
316 static void __init ek_board_init(void)
318 /* Serial */
319 at91_add_device_serial();
320 /* USB Host */
321 at91_add_device_usbh(&ek_usbh_data);
322 /* USB Device */
323 at91_add_device_udc(&ek_udc_data);
324 /* SPI */
325 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
326 /* NAND */
327 ek_add_device_nand();
328 /* Ethernet */
329 at91_add_device_eth(&ek_macb_data);
330 /* MMC */
331 at91_add_device_mmc(0, &ek_mmc_data);
332 /* I2C */
333 at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices));
334 /* SSC (to AT73C213) */
335 at73c213_set_clk(&at73c213_data);
336 at91_add_device_ssc(AT91SAM9260_ID_SSC, ATMEL_SSC_TX);
337 /* LEDs */
338 at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
339 /* Push Buttons */
340 ek_add_device_buttons();
343 MACHINE_START(AT91SAM9260EK, "Atmel AT91SAM9260-EK")
344 /* Maintainer: Atmel */
345 .timer = &at91sam926x_timer,
346 .map_io = at91_map_io,
347 .init_early = ek_init_early,
348 .init_irq = at91_init_irq_default,
349 .init_machine = ek_board_init,
350 MACHINE_END