Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6
[linux-2.6] / 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/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/gpio_keys.h>
30 #include <linux/input.h>
31 #include <linux/clk.h>
32
33 #include <asm/setup.h>
34 #include <asm/mach-types.h>
35 #include <asm/irq.h>
36
37 #include <asm/mach/arch.h>
38 #include <asm/mach/map.h>
39 #include <asm/mach/irq.h>
40
41 #include <mach/hardware.h>
42 #include <mach/board.h>
43 #include <mach/gpio.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_map_io(void)
52 {
53         /* Initialize processor: 12.000 MHz crystal */
54         at91sam9260_initialize(12000000);
55
56         /* DGBU on ttyS0. (Rx & Tx only) */
57         at91_register_uart(0, 0, 0);
58
59         /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
60         at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
61                            | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
62                            | ATMEL_UART_RI);
63
64         /* USART1 on ttyS2. (Rx, Tx, CTS, RTS) */
65         at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
66
67         /* USART2 on ttyS3. (Rx, Tx, CTS, RTS) */
68         at91_register_uart(AT91SAM9260_ID_US2, 3, ATMEL_UART_CTS | ATMEL_UART_RTS);
69
70         /* set serial console to ttyS1 (ie, USART0) */
71         at91_set_serial_console(1);
72
73 }
74
75 static void __init ek_init_irq(void)
76 {
77         at91sam9260_init_interrupts(NULL);
78 }
79
80
81 /*
82  * USB Host port
83  */
84 static struct at91_usbh_data __initdata ek_usbh_data = {
85         .ports          = 2,
86 };
87
88 /*
89  * USB Device port
90  */
91 static struct at91_udc_data __initdata ek_udc_data = {
92         .vbus_pin       = AT91_PIN_PC5,
93         .pullup_pin     = 0,            /* pull-up driven by UDC */
94 };
95
96 /*
97  * SPI devices.
98  */
99 static struct spi_board_info ek_spi_devices[] = {
100 #if defined(CONFIG_RTC_DRV_M41T94)
101         {       /* M41T94 RTC */
102                 .modalias       = "m41t94",
103                 .chip_select    = 0,
104                 .max_speed_hz   = 1 * 1000 * 1000,
105                 .bus_num        = 0,
106         }
107 #endif
108 };
109
110 /*
111  * MACB Ethernet device
112  */
113 static struct at91_eth_data __initdata ek_macb_data = {
114         .phy_irq_pin    = AT91_PIN_PA31,
115         .is_rmii        = 1,
116 };
117
118 /*
119  * NAND flash
120  */
121 static struct mtd_partition __initdata ek_nand_partition[] = {
122         {
123                 .name   = "Uboot & Kernel",
124                 .offset = 0,
125                 .size   = SZ_16M,
126         },
127         {
128                 .name   = "Root FS",
129                 .offset = MTDPART_OFS_NXTBLK,
130                 .size   = 120 * SZ_1M,
131         },
132         {
133                 .name   = "FS",
134                 .offset = MTDPART_OFS_NXTBLK,
135                 .size   = 120 * SZ_1M,
136         },
137 };
138
139 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
140 {
141         *num_partitions = ARRAY_SIZE(ek_nand_partition);
142         return ek_nand_partition;
143 }
144
145 static struct atmel_nand_data __initdata ek_nand_data = {
146         .ale            = 21,
147         .cle            = 22,
148 //      .det_pin        = ... not connected
149         .rdy_pin        = AT91_PIN_PC13,
150         .enable_pin     = AT91_PIN_PC14,
151         .partition_info = nand_partitions,
152 };
153
154 static struct sam9_smc_config __initdata ek_nand_smc_config = {
155         .ncs_read_setup         = 0,
156         .nrd_setup              = 1,
157         .ncs_write_setup        = 0,
158         .nwe_setup              = 1,
159
160         .ncs_read_pulse         = 3,
161         .nrd_pulse              = 3,
162         .ncs_write_pulse        = 3,
163         .nwe_pulse              = 3,
164
165         .read_cycle             = 5,
166         .write_cycle            = 5,
167
168         .mode                   = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
169         .tdf_cycles             = 2,
170 };
171
172 static void __init ek_add_device_nand(void)
173 {
174         /* configure chip-select 3 (NAND) */
175         sam9_smc_configure(3, &ek_nand_smc_config);
176
177         at91_add_device_nand(&ek_nand_data);
178 }
179
180 /*
181  * MCI (SD/MMC)
182  */
183 static struct at91_mmc_data __initdata ek_mmc_data = {
184         .slot_b         = 0,
185         .wire4          = 1,
186 //      .det_pin        = ... not connected
187 //      .wp_pin         = ... not connected
188 //      .vcc_pin        = ... not connected
189 };
190
191 /*
192  * GPIO Buttons
193  */
194 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
195 static struct gpio_keys_button ek_buttons[] = {
196         {       /* USER PUSH BUTTON */
197                 .code           = KEY_ENTER,
198                 .gpio           = AT91_PIN_PB10,
199                 .active_low     = 1,
200                 .desc           = "user_pb",
201                 .wakeup         = 1,
202         }
203 };
204
205 static struct gpio_keys_platform_data ek_button_data = {
206         .buttons        = ek_buttons,
207         .nbuttons       = ARRAY_SIZE(ek_buttons),
208 };
209
210 static struct platform_device ek_button_device = {
211         .name           = "gpio-keys",
212         .id             = -1,
213         .num_resources  = 0,
214         .dev            = {
215                 .platform_data  = &ek_button_data,
216         }
217 };
218
219 static void __init ek_add_device_buttons(void)
220 {
221         at91_set_GPIO_periph(AT91_PIN_PB10, 1); /* user push button, pull up enabled */
222         at91_set_deglitch(AT91_PIN_PB10, 1);
223
224         platform_device_register(&ek_button_device);
225 }
226 #else
227 static void __init ek_add_device_buttons(void) {}
228 #endif
229
230 /*
231  * LEDs
232  */
233 static struct gpio_led ek_leds[] = {
234         {       /* user_led (green) */
235                 .name                   = "user_led",
236                 .gpio                   = AT91_PIN_PB21,
237                 .active_low             = 0,
238                 .default_trigger        = "heartbeat",
239         }
240 };
241
242 static void __init ek_board_init(void)
243 {
244         /* Serial */
245         at91_add_device_serial();
246         /* USB Host */
247         at91_add_device_usbh(&ek_usbh_data);
248         /* USB Device */
249         at91_add_device_udc(&ek_udc_data);
250         /* SPI */
251         at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
252         /* NAND */
253         ek_add_device_nand();
254         /* I2C */
255         at91_add_device_i2c(NULL, 0);
256         /* Ethernet */
257         at91_add_device_eth(&ek_macb_data);
258         /* MMC */
259         at91_add_device_mmc(0, &ek_mmc_data);
260         /* Push Buttons */
261         ek_add_device_buttons();
262         /* LEDs */
263         at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
264         /* shutdown controller, wakeup button (5 msec low) */
265         at91_sys_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10) | AT91_SHDW_WKMODE0_LOW
266                                 | AT91_SHDW_RTTWKEN);
267 }
268
269 MACHINE_START(QIL_A9260, "CALAO QIL_A9260")
270         /* Maintainer: calao-systems */
271         .phys_io        = AT91_BASE_SYS,
272         .io_pg_offst    = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
273         .boot_params    = AT91_SDRAM_BASE + 0x100,
274         .timer          = &at91sam926x_timer,
275         .map_io         = ek_map_io,
276         .init_irq       = ek_init_irq,
277         .init_machine   = ek_board_init,
278 MACHINE_END