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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/setup.h> |
32 | #include <asm/mach-types.h> |
33 | #include <asm/irq.h> |
34 | |
35 | #include <asm/mach/arch.h> |
36 | #include <asm/mach/map.h> |
37 | #include <asm/mach/irq.h> |
38 | |
39 | #include <mach/hardware.h> |
40 | #include <mach/board.h> |
41 | #include <mach/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("ds1307", 0x68), |
83 | }, |
84 | }; |
85 | |
86 | static struct at91_cf_data __initdata csb337_cf_data = { |
87 | /* |
88 | * connector P4 on the CSB 337 mates to |
89 | * connector P8 on the CSB 300CF |
90 | */ |
91 | |
92 | /* CSB337 specific */ |
93 | .det_pin = AT91_PIN_PC3, |
94 | |
95 | /* CSB300CF specific */ |
96 | .irq_pin = AT91_PIN_PA19, |
97 | .vcc_pin = AT91_PIN_PD0, |
98 | .rst_pin = AT91_PIN_PD2, |
99 | }; |
100 | |
101 | static struct at91_mmc_data __initdata csb337_mmc_data = { |
102 | .det_pin = AT91_PIN_PD5, |
103 | .slot_b = 0, |
104 | .wire4 = 1, |
105 | .wp_pin = AT91_PIN_PD6, |
106 | }; |
107 | |
108 | static struct spi_board_info csb337_spi_devices[] = { |
109 | { /* CAN controller */ |
110 | .modalias = "sak82c900", |
111 | .chip_select = 0, |
112 | .max_speed_hz = 6 * 1000 * 1000, |
113 | }, |
114 | }; |
115 | |
116 | #define CSB_FLASH_BASE AT91_CHIPSELECT_0 |
117 | #define CSB_FLASH_SIZE SZ_8M |
118 | |
119 | static struct mtd_partition csb_flash_partitions[] = { |
120 | { |
121 | .name = "uMON flash", |
122 | .offset = 0, |
123 | .size = MTDPART_SIZ_FULL, |
124 | .mask_flags = MTD_WRITEABLE, /* read only */ |
125 | } |
126 | }; |
127 | |
128 | static struct physmap_flash_data csb_flash_data = { |
129 | .width = 2, |
130 | .parts = csb_flash_partitions, |
131 | .nr_parts = ARRAY_SIZE(csb_flash_partitions), |
132 | }; |
133 | |
134 | static struct resource csb_flash_resources[] = { |
135 | { |
136 | .start = CSB_FLASH_BASE, |
137 | .end = CSB_FLASH_BASE + CSB_FLASH_SIZE - 1, |
138 | .flags = IORESOURCE_MEM, |
139 | } |
140 | }; |
141 | |
142 | static struct platform_device csb_flash = { |
143 | .name = "physmap-flash", |
144 | .id = 0, |
145 | .dev = { |
146 | .platform_data = &csb_flash_data, |
147 | }, |
148 | .resource = csb_flash_resources, |
149 | .num_resources = ARRAY_SIZE(csb_flash_resources), |
150 | }; |
151 | |
152 | /* |
153 | * GPIO Buttons (on CSB300) |
154 | */ |
155 | #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) |
156 | static struct gpio_keys_button csb300_buttons[] = { |
157 | { |
158 | .gpio = AT91_PIN_PB29, |
159 | .code = BTN_0, |
160 | .desc = "sw0", |
161 | .active_low = 1, |
162 | .wakeup = 1, |
163 | }, |
164 | { |
165 | .gpio = AT91_PIN_PB28, |
166 | .code = BTN_1, |
167 | .desc = "sw1", |
168 | .active_low = 1, |
169 | .wakeup = 1, |
170 | }, |
171 | { |
172 | .gpio = AT91_PIN_PA21, |
173 | .code = BTN_2, |
174 | .desc = "sw2", |
175 | .active_low = 1, |
176 | .wakeup = 1, |
177 | } |
178 | }; |
179 | |
180 | static struct gpio_keys_platform_data csb300_button_data = { |
181 | .buttons = csb300_buttons, |
182 | .nbuttons = ARRAY_SIZE(csb300_buttons), |
183 | }; |
184 | |
185 | static struct platform_device csb300_button_device = { |
186 | .name = "gpio-keys", |
187 | .id = -1, |
188 | .num_resources = 0, |
189 | .dev = { |
190 | .platform_data = &csb300_button_data, |
191 | } |
192 | }; |
193 | |
194 | static void __init csb300_add_device_buttons(void) |
195 | { |
196 | at91_set_gpio_input(AT91_PIN_PB29, 1); /* sw0 */ |
197 | at91_set_deglitch(AT91_PIN_PB29, 1); |
198 | at91_set_gpio_input(AT91_PIN_PB28, 1); /* sw1 */ |
199 | at91_set_deglitch(AT91_PIN_PB28, 1); |
200 | at91_set_gpio_input(AT91_PIN_PA21, 1); /* sw2 */ |
201 | at91_set_deglitch(AT91_PIN_PA21, 1); |
202 | |
203 | platform_device_register(&csb300_button_device); |
204 | } |
205 | #else |
206 | static void __init csb300_add_device_buttons(void) {} |
207 | #endif |
208 | |
209 | static struct gpio_led csb_leds[] = { |
210 | { /* "led0", yellow */ |
211 | .name = "led0", |
212 | .gpio = AT91_PIN_PB2, |
213 | .active_low = 1, |
214 | .default_trigger = "heartbeat", |
215 | }, |
216 | { /* "led1", green */ |
217 | .name = "led1", |
218 | .gpio = AT91_PIN_PB1, |
219 | .active_low = 1, |
220 | .default_trigger = "mmc0", |
221 | }, |
222 | { /* "led2", yellow */ |
223 | .name = "led2", |
224 | .gpio = AT91_PIN_PB0, |
225 | .active_low = 1, |
226 | .default_trigger = "ide-disk", |
227 | } |
228 | }; |
229 | |
230 | |
231 | static void __init csb337_board_init(void) |
232 | { |
233 | /* Serial */ |
234 | at91_add_device_serial(); |
235 | /* Ethernet */ |
236 | at91_add_device_eth(&csb337_eth_data); |
237 | /* USB Host */ |
238 | at91_add_device_usbh(&csb337_usbh_data); |
239 | /* USB Device */ |
240 | at91_add_device_udc(&csb337_udc_data); |
241 | /* I2C */ |
242 | at91_add_device_i2c(csb337_i2c_devices, ARRAY_SIZE(csb337_i2c_devices)); |
243 | /* Compact Flash */ |
244 | at91_set_gpio_input(AT91_PIN_PB22, 1); /* IOIS16 */ |
245 | at91_add_device_cf(&csb337_cf_data); |
246 | /* SPI */ |
247 | at91_add_device_spi(csb337_spi_devices, ARRAY_SIZE(csb337_spi_devices)); |
248 | /* MMC */ |
249 | at91_add_device_mmc(0, &csb337_mmc_data); |
250 | /* NOR flash */ |
251 | platform_device_register(&csb_flash); |
252 | /* LEDs */ |
253 | at91_gpio_leds(csb_leds, ARRAY_SIZE(csb_leds)); |
254 | /* Switches on CSB300 */ |
255 | csb300_add_device_buttons(); |
256 | } |
257 | |
258 | MACHINE_START(CSB337, "Cogent CSB337") |
259 | /* Maintainer: Bill Gatliff */ |
260 | .boot_params = AT91_SDRAM_BASE + 0x100, |
261 | .timer = &at91rm9200_timer, |
262 | .map_io = csb337_map_io, |
263 | .init_irq = csb337_init_irq, |
264 | .init_machine = csb337_board_init, |
265 | MACHINE_END |
266 |
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