diff options
Diffstat (limited to 'arch/arm/mach-at91/board-usb-a9263.c')
-rw-r--r-- | arch/arm/mach-at91/board-usb-a9263.c | 246 |
1 files changed, 246 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/board-usb-a9263.c b/arch/arm/mach-at91/board-usb-a9263.c new file mode 100644 index 00000000000..25e793782a4 --- /dev/null +++ b/arch/arm/mach-at91/board-usb-a9263.c | |||
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1 | /* | ||
2 | * linux/arch/arm/mach-at91/board-usb-a9263.c | ||
3 | * | ||
4 | * Copyright (C) 2005 SAN People | ||
5 | * Copyright (C) 2007 Atmel Corporation. | ||
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 | |||
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 <mach/hardware.h> | ||
41 | #include <mach/board.h> | ||
42 | #include <mach/gpio.h> | ||
43 | #include <mach/at91sam9_smc.h> | ||
44 | #include <mach/at91_shdwc.h> | ||
45 | |||
46 | #include "sam9_smc.h" | ||
47 | #include "generic.h" | ||
48 | |||
49 | |||
50 | static void __init ek_init_early(void) | ||
51 | { | ||
52 | /* Initialize processor: 12.00 MHz crystal */ | ||
53 | at91_initialize(12000000); | ||
54 | |||
55 | /* DBGU on ttyS0. (Rx & Tx only) */ | ||
56 | at91_register_uart(0, 0, 0); | ||
57 | |||
58 | /* set serial console to ttyS0 (ie, DBGU) */ | ||
59 | at91_set_serial_console(0); | ||
60 | } | ||
61 | |||
62 | /* | ||
63 | * USB Host port | ||
64 | */ | ||
65 | static struct at91_usbh_data __initdata ek_usbh_data = { | ||
66 | .ports = 2, | ||
67 | }; | ||
68 | |||
69 | /* | ||
70 | * USB Device port | ||
71 | */ | ||
72 | static struct at91_udc_data __initdata ek_udc_data = { | ||
73 | .vbus_pin = AT91_PIN_PB11, | ||
74 | .pullup_pin = 0, /* pull-up driven by UDC */ | ||
75 | }; | ||
76 | |||
77 | /* | ||
78 | * SPI devices. | ||
79 | */ | ||
80 | static struct spi_board_info ek_spi_devices[] = { | ||
81 | #if !defined(CONFIG_MMC_AT91) | ||
82 | { /* DataFlash chip */ | ||
83 | .modalias = "mtd_dataflash", | ||
84 | .chip_select = 0, | ||
85 | .max_speed_hz = 15 * 1000 * 1000, | ||
86 | .bus_num = 0, | ||
87 | } | ||
88 | #endif | ||
89 | }; | ||
90 | |||
91 | /* | ||
92 | * MACB Ethernet device | ||
93 | */ | ||
94 | static struct at91_eth_data __initdata ek_macb_data = { | ||
95 | .phy_irq_pin = AT91_PIN_PE31, | ||
96 | .is_rmii = 1, | ||
97 | }; | ||
98 | |||
99 | /* | ||
100 | * NAND flash | ||
101 | */ | ||
102 | static struct mtd_partition __initdata ek_nand_partition[] = { | ||
103 | { | ||
104 | .name = "Linux Kernel", | ||
105 | .offset = 0, | ||
106 | .size = SZ_16M, | ||
107 | }, | ||
108 | { | ||
109 | .name = "Root FS", | ||
110 | .offset = MTDPART_OFS_NXTBLK, | ||
111 | .size = 120 * SZ_1M, | ||
112 | }, | ||
113 | { | ||
114 | .name = "FS", | ||
115 | .offset = MTDPART_OFS_NXTBLK, | ||
116 | .size = 120 * SZ_1M, | ||
117 | } | ||
118 | }; | ||
119 | |||
120 | static struct mtd_partition * __init nand_partitions(int size, int *num_partitions) | ||
121 | { | ||
122 | *num_partitions = ARRAY_SIZE(ek_nand_partition); | ||
123 | return ek_nand_partition; | ||
124 | } | ||
125 | |||
126 | static struct atmel_nand_data __initdata ek_nand_data = { | ||
127 | .ale = 21, | ||
128 | .cle = 22, | ||
129 | // .det_pin = ... not connected | ||
130 | .rdy_pin = AT91_PIN_PA22, | ||
131 | .enable_pin = AT91_PIN_PD15, | ||
132 | .partition_info = nand_partitions, | ||
133 | }; | ||
134 | |||
135 | static struct sam9_smc_config __initdata ek_nand_smc_config = { | ||
136 | .ncs_read_setup = 0, | ||
137 | .nrd_setup = 1, | ||
138 | .ncs_write_setup = 0, | ||
139 | .nwe_setup = 1, | ||
140 | |||
141 | .ncs_read_pulse = 3, | ||
142 | .nrd_pulse = 3, | ||
143 | .ncs_write_pulse = 3, | ||
144 | .nwe_pulse = 3, | ||
145 | |||
146 | .read_cycle = 5, | ||
147 | .write_cycle = 5, | ||
148 | |||
149 | .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8, | ||
150 | .tdf_cycles = 2, | ||
151 | }; | ||
152 | |||
153 | static void __init ek_add_device_nand(void) | ||
154 | { | ||
155 | /* configure chip-select 3 (NAND) */ | ||
156 | sam9_smc_configure(3, &ek_nand_smc_config); | ||
157 | |||
158 | at91_add_device_nand(&ek_nand_data); | ||
159 | } | ||
160 | |||
161 | |||
162 | /* | ||
163 | * GPIO Buttons | ||
164 | */ | ||
165 | #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) | ||
166 | static struct gpio_keys_button ek_buttons[] = { | ||
167 | { /* USER PUSH BUTTON */ | ||
168 | .code = KEY_ENTER, | ||
169 | .gpio = AT91_PIN_PB10, | ||
170 | .active_low = 1, | ||
171 | .desc = "user_pb", | ||
172 | .wakeup = 1, | ||
173 | } | ||
174 | }; | ||
175 | |||
176 | static struct gpio_keys_platform_data ek_button_data = { | ||
177 | .buttons = ek_buttons, | ||
178 | .nbuttons = ARRAY_SIZE(ek_buttons), | ||
179 | }; | ||
180 | |||
181 | static struct platform_device ek_button_device = { | ||
182 | .name = "gpio-keys", | ||
183 | .id = -1, | ||
184 | .num_resources = 0, | ||
185 | .dev = { | ||
186 | .platform_data = &ek_button_data, | ||
187 | } | ||
188 | }; | ||
189 | |||
190 | static void __init ek_add_device_buttons(void) | ||
191 | { | ||
192 | at91_set_GPIO_periph(AT91_PIN_PB10, 1); /* user push button, pull up enabled */ | ||
193 | at91_set_deglitch(AT91_PIN_PB10, 1); | ||
194 | |||
195 | platform_device_register(&ek_button_device); | ||
196 | } | ||
197 | #else | ||
198 | static void __init ek_add_device_buttons(void) {} | ||
199 | #endif | ||
200 | |||
201 | /* | ||
202 | * LEDs | ||
203 | */ | ||
204 | static struct gpio_led ek_leds[] = { | ||
205 | { /* user_led (green) */ | ||
206 | .name = "user_led", | ||
207 | .gpio = AT91_PIN_PB21, | ||
208 | .active_low = 1, | ||
209 | .default_trigger = "heartbeat", | ||
210 | } | ||
211 | }; | ||
212 | |||
213 | |||
214 | static void __init ek_board_init(void) | ||
215 | { | ||
216 | /* Serial */ | ||
217 | at91_add_device_serial(); | ||
218 | /* USB Host */ | ||
219 | at91_add_device_usbh(&ek_usbh_data); | ||
220 | /* USB Device */ | ||
221 | at91_add_device_udc(&ek_udc_data); | ||
222 | /* SPI */ | ||
223 | at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices)); | ||
224 | /* Ethernet */ | ||
225 | at91_add_device_eth(&ek_macb_data); | ||
226 | /* NAND */ | ||
227 | ek_add_device_nand(); | ||
228 | /* I2C */ | ||
229 | at91_add_device_i2c(NULL, 0); | ||
230 | /* Push Buttons */ | ||
231 | ek_add_device_buttons(); | ||
232 | /* LEDs */ | ||
233 | at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds)); | ||
234 | /* shutdown controller, wakeup button (5 msec low) */ | ||
235 | at91_sys_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10) | AT91_SHDW_WKMODE0_LOW | ||
236 | | AT91_SHDW_RTTWKEN); | ||
237 | } | ||
238 | |||
239 | MACHINE_START(USB_A9263, "CALAO USB_A9263") | ||
240 | /* Maintainer: calao-systems */ | ||
241 | .timer = &at91sam926x_timer, | ||
242 | .map_io = at91_map_io, | ||
243 | .init_early = ek_init_early, | ||
244 | .init_irq = at91_init_irq_default, | ||
245 | .init_machine = ek_board_init, | ||
246 | MACHINE_END | ||