diff options
Diffstat (limited to 'arch/arm/mach-at91/board-usb-a9260.c')
-rw-r--r-- | arch/arm/mach-at91/board-usb-a9260.c | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/board-usb-a9260.c b/arch/arm/mach-at91/board-usb-a9260.c new file mode 100644 index 000000000000..837aedf8ffeb --- /dev/null +++ b/arch/arm/mach-at91/board-usb-a9260.c | |||
@@ -0,0 +1,215 @@ | |||
1 | /* | ||
2 | * linux/arch/arm/mach-at91/board-usb-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/hardware.h> | ||
34 | #include <asm/setup.h> | ||
35 | #include <asm/mach-types.h> | ||
36 | #include <asm/irq.h> | ||
37 | |||
38 | #include <asm/mach/arch.h> | ||
39 | #include <asm/mach/map.h> | ||
40 | #include <asm/mach/irq.h> | ||
41 | |||
42 | #include <asm/arch/board.h> | ||
43 | #include <asm/arch/gpio.h> | ||
44 | #include <asm/arch/at91_shdwc.h> | ||
45 | |||
46 | #include "generic.h" | ||
47 | |||
48 | |||
49 | static void __init ek_map_io(void) | ||
50 | { | ||
51 | /* Initialize processor: 12.000 MHz crystal */ | ||
52 | at91sam9260_initialize(12000000); | ||
53 | |||
54 | /* DGBU on ttyS0. (Rx & Tx only) */ | ||
55 | at91_register_uart(0, 0, 0); | ||
56 | |||
57 | /* set serial console to ttyS0 (ie, DBGU) */ | ||
58 | at91_set_serial_console(0); | ||
59 | } | ||
60 | |||
61 | static void __init ek_init_irq(void) | ||
62 | { | ||
63 | at91sam9260_init_interrupts(NULL); | ||
64 | } | ||
65 | |||
66 | |||
67 | /* | ||
68 | * USB Host port | ||
69 | */ | ||
70 | static struct at91_usbh_data __initdata ek_usbh_data = { | ||
71 | .ports = 2, | ||
72 | }; | ||
73 | |||
74 | /* | ||
75 | * USB Device port | ||
76 | */ | ||
77 | static struct at91_udc_data __initdata ek_udc_data = { | ||
78 | .vbus_pin = AT91_PIN_PC5, | ||
79 | .pullup_pin = 0, /* pull-up driven by UDC */ | ||
80 | }; | ||
81 | |||
82 | /* | ||
83 | * MACB Ethernet device | ||
84 | */ | ||
85 | static struct at91_eth_data __initdata ek_macb_data = { | ||
86 | .phy_irq_pin = AT91_PIN_PA31, | ||
87 | .is_rmii = 1, | ||
88 | }; | ||
89 | |||
90 | /* | ||
91 | * NAND flash | ||
92 | */ | ||
93 | static struct mtd_partition __initdata ek_nand_partition[] = { | ||
94 | { | ||
95 | .name = "Uboot & Kernel", | ||
96 | .offset = 0x00000000, | ||
97 | .size = 16 * 1024 * 1024, | ||
98 | }, | ||
99 | { | ||
100 | .name = "Root FS", | ||
101 | .offset = 0x01000000, | ||
102 | .size = 120 * 1024 * 1024, | ||
103 | }, | ||
104 | { | ||
105 | .name = "FS", | ||
106 | .offset = 0x08800000, | ||
107 | .size = 120 * 1024 * 1024, | ||
108 | } | ||
109 | }; | ||
110 | |||
111 | static struct mtd_partition * __init nand_partitions(int size, int *num_partitions) | ||
112 | { | ||
113 | *num_partitions = ARRAY_SIZE(ek_nand_partition); | ||
114 | return ek_nand_partition; | ||
115 | } | ||
116 | |||
117 | static struct at91_nand_data __initdata ek_nand_data = { | ||
118 | .ale = 21, | ||
119 | .cle = 22, | ||
120 | // .det_pin = ... not connected | ||
121 | .rdy_pin = AT91_PIN_PC13, | ||
122 | .enable_pin = AT91_PIN_PC14, | ||
123 | .partition_info = nand_partitions, | ||
124 | #if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16) | ||
125 | .bus_width_16 = 1, | ||
126 | #else | ||
127 | .bus_width_16 = 0, | ||
128 | #endif | ||
129 | }; | ||
130 | |||
131 | /* | ||
132 | * GPIO Buttons | ||
133 | */ | ||
134 | |||
135 | #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) | ||
136 | static struct gpio_keys_button ek_buttons[] = { | ||
137 | { /* USER PUSH BUTTON */ | ||
138 | .code = KEY_ENTER, | ||
139 | .gpio = AT91_PIN_PB10, | ||
140 | .active_low = 1, | ||
141 | .desc = "user_pb", | ||
142 | .wakeup = 1, | ||
143 | } | ||
144 | }; | ||
145 | |||
146 | static struct gpio_keys_platform_data ek_button_data = { | ||
147 | .buttons = ek_buttons, | ||
148 | .nbuttons = ARRAY_SIZE(ek_buttons), | ||
149 | }; | ||
150 | |||
151 | static struct platform_device ek_button_device = { | ||
152 | .name = "gpio-keys", | ||
153 | .id = -1, | ||
154 | .num_resources = 0, | ||
155 | .dev = { | ||
156 | .platform_data = &ek_button_data, | ||
157 | } | ||
158 | }; | ||
159 | |||
160 | static void __init ek_add_device_buttons(void) | ||
161 | { | ||
162 | at91_set_GPIO_periph(AT91_PIN_PB10, 1); /* user push button, pull up enabled */ | ||
163 | at91_set_deglitch(AT91_PIN_PB10, 1); | ||
164 | |||
165 | platform_device_register(&ek_button_device); | ||
166 | } | ||
167 | #else | ||
168 | static void __init ek_add_device_buttons(void) {} | ||
169 | #endif | ||
170 | |||
171 | /* | ||
172 | * LEDs | ||
173 | */ | ||
174 | static struct gpio_led ek_leds[] = { | ||
175 | { /* user_led (green) */ | ||
176 | .name = "user_led", | ||
177 | .gpio = AT91_PIN_PB21, | ||
178 | .active_low = 0, | ||
179 | .default_trigger = "heartbeat", | ||
180 | } | ||
181 | }; | ||
182 | |||
183 | static void __init ek_board_init(void) | ||
184 | { | ||
185 | /* Serial */ | ||
186 | at91_add_device_serial(); | ||
187 | /* USB Host */ | ||
188 | at91_add_device_usbh(&ek_usbh_data); | ||
189 | /* USB Device */ | ||
190 | at91_add_device_udc(&ek_udc_data); | ||
191 | /* NAND */ | ||
192 | at91_add_device_nand(&ek_nand_data); | ||
193 | /* I2C */ | ||
194 | at91_add_device_i2c(NULL, 0); | ||
195 | /* Ethernet */ | ||
196 | at91_add_device_eth(&ek_macb_data); | ||
197 | /* Push Buttons */ | ||
198 | ek_add_device_buttons(); | ||
199 | /* LEDs */ | ||
200 | at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds)); | ||
201 | /* shutdown controller, wakeup button (5 msec low) */ | ||
202 | at91_sys_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10) | AT91_SHDW_WKMODE0_LOW | ||
203 | | AT91_SHDW_RTTWKEN); | ||
204 | } | ||
205 | |||
206 | MACHINE_START(USB_A9260, "CALAO USB_A9260") | ||
207 | /* Maintainer: calao-systems */ | ||
208 | .phys_io = AT91_BASE_SYS, | ||
209 | .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc, | ||
210 | .boot_params = AT91_SDRAM_BASE + 0x100, | ||
211 | .timer = &at91sam926x_timer, | ||
212 | .map_io = ek_map_io, | ||
213 | .init_irq = ek_init_irq, | ||
214 | .init_machine = ek_board_init, | ||
215 | MACHINE_END | ||