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Diffstat (limited to 'arch/arm/mach-at91/board-usb-a9263.c')
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diff --git a/arch/arm/mach-at91/board-usb-a9263.c 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
50static 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 */
65static struct at91_usbh_data __initdata ek_usbh_data = {
66 .ports = 2,
67};
68
69/*
70 * USB Device port
71 */
72static 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 */
80static 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 */
94static 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 */
102static 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
120static 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
126static 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
135static 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
153static 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)
166static 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
176static struct gpio_keys_platform_data ek_button_data = {
177 .buttons = ek_buttons,
178 .nbuttons = ARRAY_SIZE(ek_buttons),
179};
180
181static 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
190static 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
198static void __init ek_add_device_buttons(void) {}
199#endif
200
201/*
202 * LEDs
203 */
204static 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
214static 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
239MACHINE_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,
246MACHINE_END