Pull regset into release branch
[linux-2.6] / arch / arm / mach-at91 / board-csb337.c
1 /*
2  * linux/arch/arm/mach-at91/board-csb337.c
3  *
4  *  Copyright (C) 2005 SAN People
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19  */
20
21 #include <linux/types.h>
22 #include <linux/init.h>
23 #include <linux/mm.h>
24 #include <linux/module.h>
25 #include <linux/platform_device.h>
26 #include <linux/spi/spi.h>
27 #include <linux/mtd/physmap.h>
28 #include <linux/input.h>
29 #include <linux/gpio_keys.h>
30
31 #include <asm/hardware.h>
32 #include <asm/setup.h>
33 #include <asm/mach-types.h>
34 #include <asm/irq.h>
35
36 #include <asm/mach/arch.h>
37 #include <asm/mach/map.h>
38 #include <asm/mach/irq.h>
39
40 #include <asm/arch/board.h>
41 #include <asm/arch/gpio.h>
42
43 #include "generic.h"
44
45
46 /*
47  * Serial port configuration.
48  *    0 .. 3 = USART0 .. USART3
49  *    4      = DBGU
50  */
51 static struct at91_uart_config __initdata csb337_uart_config = {
52         .console_tty    = 0,                            /* ttyS0 */
53         .nr_tty         = 2,
54         .tty_map        = { 4, 1, -1, -1, -1 }          /* ttyS0, ..., ttyS4 */
55 };
56
57 static void __init csb337_map_io(void)
58 {
59         /* Initialize processor: 3.6864 MHz crystal */
60         at91rm9200_initialize(3686400, AT91RM9200_BGA);
61
62         /* Setup the LEDs */
63         at91_init_leds(AT91_PIN_PB0, AT91_PIN_PB1);
64
65         /* Setup the serial ports and console */
66         at91_init_serial(&csb337_uart_config);
67 }
68
69 static void __init csb337_init_irq(void)
70 {
71         at91rm9200_init_interrupts(NULL);
72 }
73
74 static struct at91_eth_data __initdata csb337_eth_data = {
75         .phy_irq_pin    = AT91_PIN_PC2,
76         .is_rmii        = 0,
77 };
78
79 static struct at91_usbh_data __initdata csb337_usbh_data = {
80         .ports          = 2,
81 };
82
83 static struct at91_udc_data __initdata csb337_udc_data = {
84         // this has no VBUS sensing pin
85         .pullup_pin     = AT91_PIN_PA24,
86 };
87
88 static struct i2c_board_info __initdata csb337_i2c_devices[] = {
89         {
90                 I2C_BOARD_INFO("rtc-ds1307", 0x68),
91                 .type   = "ds1307",
92         },
93 };
94
95 static struct at91_cf_data __initdata csb337_cf_data = {
96         /*
97          * connector P4 on the CSB 337 mates to
98          * connector P8 on the CSB 300CF
99          */
100
101         /* CSB337 specific */
102         .det_pin        = AT91_PIN_PC3,
103
104         /* CSB300CF specific */
105         .irq_pin        = AT91_PIN_PA19,
106         .vcc_pin        = AT91_PIN_PD0,
107         .rst_pin        = AT91_PIN_PD2,
108 };
109
110 static struct at91_mmc_data __initdata csb337_mmc_data = {
111         .det_pin        = AT91_PIN_PD5,
112         .slot_b         = 0,
113         .wire4          = 1,
114         .wp_pin         = AT91_PIN_PD6,
115 };
116
117 static struct spi_board_info csb337_spi_devices[] = {
118         {       /* CAN controller */
119                 .modalias       = "sak82c900",
120                 .chip_select    = 0,
121                 .max_speed_hz   = 6 * 1000 * 1000,
122         },
123 };
124
125 #define CSB_FLASH_BASE  AT91_CHIPSELECT_0
126 #define CSB_FLASH_SIZE  0x800000
127
128 static struct mtd_partition csb_flash_partitions[] = {
129         {
130                 .name           = "uMON flash",
131                 .offset         = 0,
132                 .size           = MTDPART_SIZ_FULL,
133                 .mask_flags     = MTD_WRITEABLE,        /* read only */
134         }
135 };
136
137 static struct physmap_flash_data csb_flash_data = {
138         .width          = 2,
139         .parts          = csb_flash_partitions,
140         .nr_parts       = ARRAY_SIZE(csb_flash_partitions),
141 };
142
143 static struct resource csb_flash_resources[] = {
144         {
145                 .start  = CSB_FLASH_BASE,
146                 .end    = CSB_FLASH_BASE + CSB_FLASH_SIZE - 1,
147                 .flags  = IORESOURCE_MEM,
148         }
149 };
150
151 static struct platform_device csb_flash = {
152         .name           = "physmap-flash",
153         .id             = 0,
154         .dev            = {
155                                 .platform_data = &csb_flash_data,
156                         },
157         .resource       = csb_flash_resources,
158         .num_resources  = ARRAY_SIZE(csb_flash_resources),
159 };
160
161 /*
162  * GPIO Buttons (on CSB300)
163  */
164 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
165 static struct gpio_keys_button csb300_buttons[] = {
166         {
167                 .gpio           = AT91_PIN_PB29,
168                 .code           = BTN_0,
169                 .desc           = "sw0",
170                 .active_low     = 1,
171                 .wakeup         = 1,
172         },
173         {
174                 .gpio           = AT91_PIN_PB28,
175                 .code           = BTN_1,
176                 .desc           = "sw1",
177                 .active_low     = 1,
178                 .wakeup         = 1,
179         },
180         {
181                 .gpio           = AT91_PIN_PA21,
182                 .code           = BTN_2,
183                 .desc           = "sw2",
184                 .active_low     = 1,
185                 .wakeup         = 1,
186         }
187 };
188
189 static struct gpio_keys_platform_data csb300_button_data = {
190         .buttons        = csb300_buttons,
191         .nbuttons       = ARRAY_SIZE(csb300_buttons),
192 };
193
194 static struct platform_device csb300_button_device = {
195         .name           = "gpio-keys",
196         .id             = -1,
197         .num_resources  = 0,
198         .dev            = {
199                 .platform_data  = &csb300_button_data,
200         }
201 };
202
203 static void __init csb300_add_device_buttons(void)
204 {
205         at91_set_gpio_input(AT91_PIN_PB29, 0);  /* sw0 */
206         at91_set_deglitch(AT91_PIN_PB29, 1);
207         at91_set_gpio_input(AT91_PIN_PB28, 0);  /* sw1 */
208         at91_set_deglitch(AT91_PIN_PB28, 1);
209         at91_set_gpio_input(AT91_PIN_PA21, 0);  /* sw2 */
210         at91_set_deglitch(AT91_PIN_PA21, 1);
211
212         platform_device_register(&csb300_button_device);
213 }
214 #else
215 static void __init csb300_add_device_buttons(void) {}
216 #endif
217
218 static struct gpio_led csb_leds[] = {
219         {       /* "led0", yellow */
220                 .name                   = "led0",
221                 .gpio                   = AT91_PIN_PB2,
222                 .active_low             = 1,
223                 .default_trigger        = "heartbeat",
224         },
225         {       /* "led1", green */
226                 .name                   = "led1",
227                 .gpio                   = AT91_PIN_PB1,
228                 .active_low             = 1,
229                 .default_trigger        = "mmc0",
230         },
231         {       /* "led2", yellow */
232                 .name                   = "led2",
233                 .gpio                   = AT91_PIN_PB0,
234                 .active_low             = 1,
235                 .default_trigger        = "ide-disk",
236         },
237 };
238
239
240 static void __init csb337_board_init(void)
241 {
242         /* Serial */
243         at91_add_device_serial();
244         /* Ethernet */
245         at91_add_device_eth(&csb337_eth_data);
246         /* USB Host */
247         at91_add_device_usbh(&csb337_usbh_data);
248         /* USB Device */
249         at91_add_device_udc(&csb337_udc_data);
250         /* I2C */
251         at91_add_device_i2c(csb337_i2c_devices, ARRAY_SIZE(csb337_i2c_devices));
252         /* Compact Flash */
253         at91_set_gpio_input(AT91_PIN_PB22, 1);          /* IOIS16 */
254         at91_add_device_cf(&csb337_cf_data);
255         /* SPI */
256         at91_add_device_spi(csb337_spi_devices, ARRAY_SIZE(csb337_spi_devices));
257         /* MMC */
258         at91_add_device_mmc(0, &csb337_mmc_data);
259         /* NOR flash */
260         platform_device_register(&csb_flash);
261         /* LEDs */
262         at91_gpio_leds(csb_leds, ARRAY_SIZE(csb_leds));
263         /* Switches on CSB300 */
264         csb300_add_device_buttons();
265 }
266
267 MACHINE_START(CSB337, "Cogent CSB337")
268         /* Maintainer: Bill Gatliff */
269         .phys_io        = AT91_BASE_SYS,
270         .io_pg_offst    = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
271         .boot_params    = AT91_SDRAM_BASE + 0x100,
272         .timer          = &at91rm9200_timer,
273         .map_io         = csb337_map_io,
274         .init_irq       = csb337_init_irq,
275         .init_machine   = csb337_board_init,
276 MACHINE_END