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Andrew Victorca0a7892008-05-24 17:47:04 +01001/*
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
Andrew Victorca0a7892008-05-24 17:47:04 +010033#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
Andrew Victore5052402008-09-21 21:30:02 +010041#include <mach/hardware.h>
Russell Kinga09e64f2008-08-05 16:14:15 +010042#include <mach/board.h>
43#include <mach/gpio.h>
44#include <mach/at91_shdwc.h>
Andrew Victorca0a7892008-05-24 17:47:04 +010045
46#include "generic.h"
47
48
49static 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
61static void __init ek_init_irq(void)
62{
63 at91sam9260_init_interrupts(NULL);
64}
65
66
67/*
68 * USB Host port
69 */
70static struct at91_usbh_data __initdata ek_usbh_data = {
71 .ports = 2,
72};
73
74/*
75 * USB Device port
76 */
77static 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 */
85static 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 */
93static struct mtd_partition __initdata ek_nand_partition[] = {
94 {
95 .name = "Uboot & Kernel",
Andrew Victore5052402008-09-21 21:30:02 +010096 .offset = 0,
97 .size = SZ_16M,
Andrew Victorca0a7892008-05-24 17:47:04 +010098 },
99 {
100 .name = "Root FS",
Andrew Victore5052402008-09-21 21:30:02 +0100101 .offset = MTDPART_OFS_NXTBLK,
102 .size = 120 * SZ_1M,
Andrew Victorca0a7892008-05-24 17:47:04 +0100103 },
104 {
105 .name = "FS",
Andrew Victore5052402008-09-21 21:30:02 +0100106 .offset = MTDPART_OFS_NXTBLK,
107 .size = 120 * SZ_1M,
Andrew Victorca0a7892008-05-24 17:47:04 +0100108 }
109};
110
111static 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
Haavard Skinnemoen7c896832008-07-28 16:57:22 +0100117static struct atmel_nand_data __initdata ek_nand_data = {
Andrew Victorca0a7892008-05-24 17:47:04 +0100118 .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,
Pieter du Preezf6ed6f72008-08-01 10:06:40 +0100124#if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
Andrew Victorca0a7892008-05-24 17:47:04 +0100125 .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)
136static 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
146static struct gpio_keys_platform_data ek_button_data = {
147 .buttons = ek_buttons,
148 .nbuttons = ARRAY_SIZE(ek_buttons),
149};
150
151static 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
160static 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
168static void __init ek_add_device_buttons(void) {}
169#endif
170
171/*
172 * LEDs
173 */
174static 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
183static 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
206MACHINE_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,
215MACHINE_END