Merge remote branch 'wireless-next/master' into ath6kl-next
[pandora-kernel.git] / arch / arm / mach-at91 / board-qil-a9260.c
1 /*
2  * linux/arch/arm/mach-at91/board-qil-a9260.c
3  *
4  *  Copyright (C) 2005 SAN People
5  *  Copyright (C) 2006 Atmel
6  *  Copyright (C) 2007 Calao-systems
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 2 of the License, or
11  * (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
21  */
22
23 #include <linux/types.h>
24 #include <linux/gpio.h>
25 #include <linux/init.h>
26 #include <linux/mm.h>
27 #include <linux/module.h>
28 #include <linux/platform_device.h>
29 #include <linux/spi/spi.h>
30 #include <linux/gpio_keys.h>
31 #include <linux/input.h>
32 #include <linux/clk.h>
33
34 #include <asm/setup.h>
35 #include <asm/mach-types.h>
36 #include <asm/irq.h>
37
38 #include <asm/mach/arch.h>
39 #include <asm/mach/map.h>
40 #include <asm/mach/irq.h>
41
42 #include <mach/hardware.h>
43 #include <mach/board.h>
44 #include <mach/at91sam9_smc.h>
45 #include <mach/at91_shdwc.h>
46
47 #include "sam9_smc.h"
48 #include "generic.h"
49
50
51 static void __init ek_init_early(void)
52 {
53         /* Initialize processor: 12.000 MHz crystal */
54         at91_initialize(12000000);
55 }
56
57 /*
58  * USB Host port
59  */
60 static struct at91_usbh_data __initdata ek_usbh_data = {
61         .ports          = 2,
62         .vbus_pin       = {-EINVAL, -EINVAL},
63         .overcurrent_pin= {-EINVAL, -EINVAL},
64 };
65
66 /*
67  * USB Device port
68  */
69 static struct at91_udc_data __initdata ek_udc_data = {
70         .vbus_pin       = AT91_PIN_PC5,
71         .pullup_pin     = -EINVAL,              /* pull-up driven by UDC */
72 };
73
74 /*
75  * SPI devices.
76  */
77 static struct spi_board_info ek_spi_devices[] = {
78 #if defined(CONFIG_RTC_DRV_M41T94)
79         {       /* M41T94 RTC */
80                 .modalias       = "m41t94",
81                 .chip_select    = 0,
82                 .max_speed_hz   = 1 * 1000 * 1000,
83                 .bus_num        = 0,
84         }
85 #endif
86 };
87
88 /*
89  * MACB Ethernet device
90  */
91 static struct macb_platform_data __initdata ek_macb_data = {
92         .phy_irq_pin    = AT91_PIN_PA31,
93         .is_rmii        = 1,
94 };
95
96 /*
97  * NAND flash
98  */
99 static struct mtd_partition __initdata ek_nand_partition[] = {
100         {
101                 .name   = "Uboot & Kernel",
102                 .offset = 0,
103                 .size   = SZ_16M,
104         },
105         {
106                 .name   = "Root FS",
107                 .offset = MTDPART_OFS_NXTBLK,
108                 .size   = 120 * SZ_1M,
109         },
110         {
111                 .name   = "FS",
112                 .offset = MTDPART_OFS_NXTBLK,
113                 .size   = 120 * SZ_1M,
114         },
115 };
116
117 static struct atmel_nand_data __initdata ek_nand_data = {
118         .ale            = 21,
119         .cle            = 22,
120         .det_pin        = -EINVAL,
121         .rdy_pin        = AT91_PIN_PC13,
122         .enable_pin     = AT91_PIN_PC14,
123         .ecc_mode       = NAND_ECC_SOFT,
124         .on_flash_bbt   = 1,
125         .parts          = ek_nand_partition,
126         .num_parts      = ARRAY_SIZE(ek_nand_partition),
127 };
128
129 static struct sam9_smc_config __initdata ek_nand_smc_config = {
130         .ncs_read_setup         = 0,
131         .nrd_setup              = 1,
132         .ncs_write_setup        = 0,
133         .nwe_setup              = 1,
134
135         .ncs_read_pulse         = 3,
136         .nrd_pulse              = 3,
137         .ncs_write_pulse        = 3,
138         .nwe_pulse              = 3,
139
140         .read_cycle             = 5,
141         .write_cycle            = 5,
142
143         .mode                   = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
144         .tdf_cycles             = 2,
145 };
146
147 static void __init ek_add_device_nand(void)
148 {
149         /* configure chip-select 3 (NAND) */
150         sam9_smc_configure(0, 3, &ek_nand_smc_config);
151
152         at91_add_device_nand(&ek_nand_data);
153 }
154
155 /*
156  * MCI (SD/MMC)
157  */
158 static struct at91_mmc_data __initdata ek_mmc_data = {
159         .slot_b         = 0,
160         .wire4          = 1,
161         .det_pin        = -EINVAL,
162         .wp_pin         = -EINVAL,
163         .vcc_pin        = -EINVAL,
164 };
165
166 /*
167  * GPIO Buttons
168  */
169 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
170 static struct gpio_keys_button ek_buttons[] = {
171         {       /* USER PUSH BUTTON */
172                 .code           = KEY_ENTER,
173                 .gpio           = AT91_PIN_PB10,
174                 .active_low     = 1,
175                 .desc           = "user_pb",
176                 .wakeup         = 1,
177         }
178 };
179
180 static struct gpio_keys_platform_data ek_button_data = {
181         .buttons        = ek_buttons,
182         .nbuttons       = ARRAY_SIZE(ek_buttons),
183 };
184
185 static struct platform_device ek_button_device = {
186         .name           = "gpio-keys",
187         .id             = -1,
188         .num_resources  = 0,
189         .dev            = {
190                 .platform_data  = &ek_button_data,
191         }
192 };
193
194 static void __init ek_add_device_buttons(void)
195 {
196         at91_set_GPIO_periph(AT91_PIN_PB10, 1); /* user push button, pull up enabled */
197         at91_set_deglitch(AT91_PIN_PB10, 1);
198
199         platform_device_register(&ek_button_device);
200 }
201 #else
202 static void __init ek_add_device_buttons(void) {}
203 #endif
204
205 /*
206  * LEDs
207  */
208 static struct gpio_led ek_leds[] = {
209         {       /* user_led (green) */
210                 .name                   = "user_led",
211                 .gpio                   = AT91_PIN_PB21,
212                 .active_low             = 0,
213                 .default_trigger        = "heartbeat",
214         }
215 };
216
217 static void __init ek_board_init(void)
218 {
219         /* Serial */
220         /* DBGU on ttyS0. (Rx & Tx only) */
221         at91_register_uart(0, 0, 0);
222
223         /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
224         at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
225                            | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
226                            | ATMEL_UART_RI);
227
228         /* USART1 on ttyS2. (Rx, Tx, CTS, RTS) */
229         at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
230
231         /* USART2 on ttyS3. (Rx, Tx, CTS, RTS) */
232         at91_register_uart(AT91SAM9260_ID_US2, 3, ATMEL_UART_CTS | ATMEL_UART_RTS);
233         at91_add_device_serial();
234         /* USB Host */
235         at91_add_device_usbh(&ek_usbh_data);
236         /* USB Device */
237         at91_add_device_udc(&ek_udc_data);
238         /* SPI */
239         at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
240         /* NAND */
241         ek_add_device_nand();
242         /* I2C */
243         at91_add_device_i2c(NULL, 0);
244         /* Ethernet */
245         at91_add_device_eth(&ek_macb_data);
246         /* MMC */
247         at91_add_device_mmc(0, &ek_mmc_data);
248         /* Push Buttons */
249         ek_add_device_buttons();
250         /* LEDs */
251         at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
252         /* shutdown controller, wakeup button (5 msec low) */
253         at91_shdwc_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10) | AT91_SHDW_WKMODE0_LOW
254                                 | AT91_SHDW_RTTWKEN);
255 }
256
257 MACHINE_START(QIL_A9260, "CALAO QIL_A9260")
258         /* Maintainer: calao-systems */
259         .timer          = &at91sam926x_timer,
260         .map_io         = at91_map_io,
261         .init_early     = ek_init_early,
262         .init_irq       = at91_init_irq_default,
263         .init_machine   = ek_board_init,
264 MACHINE_END