Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/tglx/linux...
[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 static void __init csb337_map_io(void)
47 {
48         /* Initialize processor: 3.6864 MHz crystal */
49         at91rm9200_initialize(3686400, AT91RM9200_BGA);
50
51         /* Setup the LEDs */
52         at91_init_leds(AT91_PIN_PB0, AT91_PIN_PB1);
53
54         /* DBGU on ttyS0 */
55         at91_register_uart(0, 0, 0);
56
57         /* make console=ttyS0 the default */
58         at91_set_serial_console(0);
59 }
60
61 static void __init csb337_init_irq(void)
62 {
63         at91rm9200_init_interrupts(NULL);
64 }
65
66 static struct at91_eth_data __initdata csb337_eth_data = {
67         .phy_irq_pin    = AT91_PIN_PC2,
68         .is_rmii        = 0,
69 };
70
71 static struct at91_usbh_data __initdata csb337_usbh_data = {
72         .ports          = 2,
73 };
74
75 static struct at91_udc_data __initdata csb337_udc_data = {
76         // this has no VBUS sensing pin
77         .pullup_pin     = AT91_PIN_PA24,
78 };
79
80 static struct i2c_board_info __initdata csb337_i2c_devices[] = {
81         {
82                 I2C_BOARD_INFO("rtc-ds1307", 0x68),
83                 .type   = "ds1307",
84         },
85 };
86
87 static struct at91_cf_data __initdata csb337_cf_data = {
88         /*
89          * connector P4 on the CSB 337 mates to
90          * connector P8 on the CSB 300CF
91          */
92
93         /* CSB337 specific */
94         .det_pin        = AT91_PIN_PC3,
95
96         /* CSB300CF specific */
97         .irq_pin        = AT91_PIN_PA19,
98         .vcc_pin        = AT91_PIN_PD0,
99         .rst_pin        = AT91_PIN_PD2,
100 };
101
102 static struct at91_mmc_data __initdata csb337_mmc_data = {
103         .det_pin        = AT91_PIN_PD5,
104         .slot_b         = 0,
105         .wire4          = 1,
106         .wp_pin         = AT91_PIN_PD6,
107 };
108
109 static struct spi_board_info csb337_spi_devices[] = {
110         {       /* CAN controller */
111                 .modalias       = "sak82c900",
112                 .chip_select    = 0,
113                 .max_speed_hz   = 6 * 1000 * 1000,
114         },
115 };
116
117 #define CSB_FLASH_BASE  AT91_CHIPSELECT_0
118 #define CSB_FLASH_SIZE  0x800000
119
120 static struct mtd_partition csb_flash_partitions[] = {
121         {
122                 .name           = "uMON flash",
123                 .offset         = 0,
124                 .size           = MTDPART_SIZ_FULL,
125                 .mask_flags     = MTD_WRITEABLE,        /* read only */
126         }
127 };
128
129 static struct physmap_flash_data csb_flash_data = {
130         .width          = 2,
131         .parts          = csb_flash_partitions,
132         .nr_parts       = ARRAY_SIZE(csb_flash_partitions),
133 };
134
135 static struct resource csb_flash_resources[] = {
136         {
137                 .start  = CSB_FLASH_BASE,
138                 .end    = CSB_FLASH_BASE + CSB_FLASH_SIZE - 1,
139                 .flags  = IORESOURCE_MEM,
140         }
141 };
142
143 static struct platform_device csb_flash = {
144         .name           = "physmap-flash",
145         .id             = 0,
146         .dev            = {
147                                 .platform_data = &csb_flash_data,
148                         },
149         .resource       = csb_flash_resources,
150         .num_resources  = ARRAY_SIZE(csb_flash_resources),
151 };
152
153 /*
154  * GPIO Buttons (on CSB300)
155  */
156 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
157 static struct gpio_keys_button csb300_buttons[] = {
158         {
159                 .gpio           = AT91_PIN_PB29,
160                 .code           = BTN_0,
161                 .desc           = "sw0",
162                 .active_low     = 1,
163                 .wakeup         = 1,
164         },
165         {
166                 .gpio           = AT91_PIN_PB28,
167                 .code           = BTN_1,
168                 .desc           = "sw1",
169                 .active_low     = 1,
170                 .wakeup         = 1,
171         },
172         {
173                 .gpio           = AT91_PIN_PA21,
174                 .code           = BTN_2,
175                 .desc           = "sw2",
176                 .active_low     = 1,
177                 .wakeup         = 1,
178         }
179 };
180
181 static struct gpio_keys_platform_data csb300_button_data = {
182         .buttons        = csb300_buttons,
183         .nbuttons       = ARRAY_SIZE(csb300_buttons),
184 };
185
186 static struct platform_device csb300_button_device = {
187         .name           = "gpio-keys",
188         .id             = -1,
189         .num_resources  = 0,
190         .dev            = {
191                 .platform_data  = &csb300_button_data,
192         }
193 };
194
195 static void __init csb300_add_device_buttons(void)
196 {
197         at91_set_gpio_input(AT91_PIN_PB29, 0);  /* sw0 */
198         at91_set_deglitch(AT91_PIN_PB29, 1);
199         at91_set_gpio_input(AT91_PIN_PB28, 0);  /* sw1 */
200         at91_set_deglitch(AT91_PIN_PB28, 1);
201         at91_set_gpio_input(AT91_PIN_PA21, 0);  /* sw2 */
202         at91_set_deglitch(AT91_PIN_PA21, 1);
203
204         platform_device_register(&csb300_button_device);
205 }
206 #else
207 static void __init csb300_add_device_buttons(void) {}
208 #endif
209
210 static struct gpio_led csb_leds[] = {
211         {       /* "led0", yellow */
212                 .name                   = "led0",
213                 .gpio                   = AT91_PIN_PB2,
214                 .active_low             = 1,
215                 .default_trigger        = "heartbeat",
216         },
217         {       /* "led1", green */
218                 .name                   = "led1",
219                 .gpio                   = AT91_PIN_PB1,
220                 .active_low             = 1,
221                 .default_trigger        = "mmc0",
222         },
223         {       /* "led2", yellow */
224                 .name                   = "led2",
225                 .gpio                   = AT91_PIN_PB0,
226                 .active_low             = 1,
227                 .default_trigger        = "ide-disk",
228         },
229 };
230
231
232 static void __init csb337_board_init(void)
233 {
234         /* Serial */
235         at91_add_device_serial();
236         /* Ethernet */
237         at91_add_device_eth(&csb337_eth_data);
238         /* USB Host */
239         at91_add_device_usbh(&csb337_usbh_data);
240         /* USB Device */
241         at91_add_device_udc(&csb337_udc_data);
242         /* I2C */
243         at91_add_device_i2c(csb337_i2c_devices, ARRAY_SIZE(csb337_i2c_devices));
244         /* Compact Flash */
245         at91_set_gpio_input(AT91_PIN_PB22, 1);          /* IOIS16 */
246         at91_add_device_cf(&csb337_cf_data);
247         /* SPI */
248         at91_add_device_spi(csb337_spi_devices, ARRAY_SIZE(csb337_spi_devices));
249         /* MMC */
250         at91_add_device_mmc(0, &csb337_mmc_data);
251         /* NOR flash */
252         platform_device_register(&csb_flash);
253         /* LEDs */
254         at91_gpio_leds(csb_leds, ARRAY_SIZE(csb_leds));
255         /* Switches on CSB300 */
256         csb300_add_device_buttons();
257 }
258
259 MACHINE_START(CSB337, "Cogent CSB337")
260         /* Maintainer: Bill Gatliff */
261         .phys_io        = AT91_BASE_SYS,
262         .io_pg_offst    = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
263         .boot_params    = AT91_SDRAM_BASE + 0x100,
264         .timer          = &at91rm9200_timer,
265         .map_io         = csb337_map_io,
266         .init_irq       = csb337_init_irq,
267         .init_machine   = csb337_board_init,
268 MACHINE_END