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authorAndrew Victor <linux@maxim.org.za>2008-05-24 12:47:04 -0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-06-02 08:53:10 -0400
commitca0a789ab9c83d8fdf28f5c2700b316cd5dec2f0 (patch)
tree9940e2e47c943cd64052a3599cc5b3967a6b5e51 /arch/arm/mach-at91/board-usb-a9263.c
parente3ba22db09408baee721897fb1b50e16f071d916 (diff)
[ARM] 5057/1: [AT91] Calao Systems - board files
Add support for three AT91-based boards available from Calao Systems: USB_A9260, USB_A9263 and QIL_A9260. Signed-off-by: Grégory Hermant <gregory.hermant@calao-systems.com> Signed-off-by: Andrew Victor <linux@maxim.org.za> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-at91/board-usb-a9263.c')
-rw-r--r--arch/arm/mach-at91/board-usb-a9263.c230
1 files changed, 230 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 000000000000..95800d32bd49
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+++ 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/hardware.h>
33#include <asm/setup.h>
34#include <asm/mach-types.h>
35#include <asm/irq.h>
36
37#include <asm/mach/arch.h>
38#include <asm/mach/map.h>
39#include <asm/mach/irq.h>
40
41#include <asm/arch/board.h>
42#include <asm/arch/gpio.h>
43#include <asm/arch/at91_shdwc.h>
44
45#include "generic.h"
46
47
48static void __init ek_map_io(void)
49{
50 /* Initialize processor: 12.00 MHz crystal */
51 at91sam9263_initialize(12000000);
52
53 /* DGBU on ttyS0. (Rx & Tx only) */
54 at91_register_uart(0, 0, 0);
55
56 /* set serial console to ttyS0 (ie, DBGU) */
57 at91_set_serial_console(0);
58}
59
60static void __init ek_init_irq(void)
61{
62 at91sam9263_init_interrupts(NULL);
63}
64
65
66/*
67 * USB Host port
68 */
69static struct at91_usbh_data __initdata ek_usbh_data = {
70 .ports = 2,
71};
72
73/*
74 * USB Device port
75 */
76static struct at91_udc_data __initdata ek_udc_data = {
77 .vbus_pin = AT91_PIN_PB11,
78 .pullup_pin = 0, /* pull-up driven by UDC */
79};
80
81/*
82 * SPI devices.
83 */
84static struct spi_board_info ek_spi_devices[] = {
85#if !defined(CONFIG_MMC_AT91)
86 { /* DataFlash chip */
87 .modalias = "mtd_dataflash",
88 .chip_select = 0,
89 .max_speed_hz = 15 * 1000 * 1000,
90 .bus_num = 0,
91 }
92#endif
93};
94
95/*
96 * MACB Ethernet device
97 */
98static struct at91_eth_data __initdata ek_macb_data = {
99 .phy_irq_pin = AT91_PIN_PE31,
100 .is_rmii = 1,
101};
102
103/*
104 * NAND flash
105 */
106static struct mtd_partition __initdata ek_nand_partition[] = {
107 {
108 .name = "Linux Kernel",
109 .offset = 0x00000000,
110 .size = 16 * 1024 * 1024,
111 },
112 {
113 .name = "Root FS",
114 .offset = 0x01000000,
115 .size = 120 * 1024 * 1024,
116 },
117 {
118 .name = "FS",
119 .offset = 0x08800000,
120 .size = 120 * 1024 * 1024,
121 }
122};
123
124static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
125{
126 *num_partitions = ARRAY_SIZE(ek_nand_partition);
127 return ek_nand_partition;
128}
129
130static struct at91_nand_data __initdata ek_nand_data = {
131 .ale = 21,
132 .cle = 22,
133// .det_pin = ... not connected
134 .rdy_pin = AT91_PIN_PA22,
135 .enable_pin = AT91_PIN_PD15,
136 .partition_info = nand_partitions,
137#if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16)
138 .bus_width_16 = 1,
139#else
140 .bus_width_16 = 0,
141#endif
142};
143
144/*
145 * GPIO Buttons
146 */
147#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
148static struct gpio_keys_button ek_buttons[] = {
149 { /* USER PUSH BUTTON */
150 .code = KEY_ENTER,
151 .gpio = AT91_PIN_PB10,
152 .active_low = 1,
153 .desc = "user_pb",
154 .wakeup = 1,
155 }
156};
157
158static struct gpio_keys_platform_data ek_button_data = {
159 .buttons = ek_buttons,
160 .nbuttons = ARRAY_SIZE(ek_buttons),
161};
162
163static struct platform_device ek_button_device = {
164 .name = "gpio-keys",
165 .id = -1,
166 .num_resources = 0,
167 .dev = {
168 .platform_data = &ek_button_data,
169 }
170};
171
172static void __init ek_add_device_buttons(void)
173{
174 at91_set_GPIO_periph(AT91_PIN_PB10, 1); /* user push button, pull up enabled */
175 at91_set_deglitch(AT91_PIN_PB10, 1);
176
177 platform_device_register(&ek_button_device);
178}
179#else
180static void __init ek_add_device_buttons(void) {}
181#endif
182
183/*
184 * LEDs
185 */
186static struct gpio_led ek_leds[] = {
187 { /* user_led (green) */
188 .name = "user_led",
189 .gpio = AT91_PIN_PB21,
190 .active_low = 1,
191 .default_trigger = "heartbeat",
192 }
193};
194
195
196static void __init ek_board_init(void)
197{
198 /* Serial */
199 at91_add_device_serial();
200 /* USB Host */
201 at91_add_device_usbh(&ek_usbh_data);
202 /* USB Device */
203 at91_add_device_udc(&ek_udc_data);
204 /* SPI */
205 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
206 /* Ethernet */
207 at91_add_device_eth(&ek_macb_data);
208 /* NAND */
209 at91_add_device_nand(&ek_nand_data);
210 /* I2C */
211 at91_add_device_i2c(NULL, 0);
212 /* Push Buttons */
213 ek_add_device_buttons();
214 /* LEDs */
215 at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
216 /* shutdown controller, wakeup button (5 msec low) */
217 at91_sys_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10) | AT91_SHDW_WKMODE0_LOW
218 | AT91_SHDW_RTTWKEN);
219}
220
221MACHINE_START(USB_A9263, "CALAO USB_A9263")
222 /* Maintainer: calao-systems */
223 .phys_io = AT91_BASE_SYS,
224 .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
225 .boot_params = AT91_SDRAM_BASE + 0x100,
226 .timer = &at91sam926x_timer,
227 .map_io = ek_map_io,
228 .init_irq = ek_init_irq,
229 .init_machine = ek_board_init,
230MACHINE_END