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Andrew Victor49978db2006-01-10 16:59:29 +00001/*
Andrew Victor9d041262007-02-05 11:42:07 +01002 * linux/arch/arm/mach-at91/board-csb337.c
Andrew Victor49978db2006-01-10 16:59:29 +00003 *
4 * Copyright (C) 2005 SAN People
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
Andrew Victor49978db2006-01-10 16:59:29 +000021#include <linux/types.h>
Russell King2f8163b2011-07-26 10:53:52 +010022#include <linux/gpio.h>
Andrew Victor49978db2006-01-10 16:59:29 +000023#include <linux/init.h>
24#include <linux/mm.h>
25#include <linux/module.h>
26#include <linux/platform_device.h>
Andrew Victor466e6222006-06-19 17:26:23 +010027#include <linux/spi/spi.h>
Andrew Victor127a7ec2007-02-08 10:44:46 +010028#include <linux/mtd/physmap.h>
Andrew Victor6d2a8402008-01-23 09:28:27 +010029#include <linux/input.h>
30#include <linux/gpio_keys.h>
Andrew Victor49978db2006-01-10 16:59:29 +000031
Andrew Victor49978db2006-01-10 16:59:29 +000032#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
Andrew Victore5052402008-09-21 21:30:02 +010040#include <mach/hardware.h>
Russell Kinga09e64f2008-08-05 16:14:15 +010041#include <mach/board.h>
Andrew Victor49978db2006-01-10 16:59:29 +000042
43#include "generic.h"
44
Andrew Victor49978db2006-01-10 16:59:29 +000045
Jean-Christophe PLAGNIOL-VILLARD1b021a32011-04-28 20:19:32 +080046static void __init csb337_init_early(void)
Andrew Victor49978db2006-01-10 16:59:29 +000047{
Andrew Victor2eeaaa22006-09-27 10:50:59 +010048 /* Initialize processor: 3.6864 MHz crystal */
Jean-Christophe PLAGNIOL-VILLARD21d08b92011-04-23 15:28:34 +080049 at91_initialize(3686400);
Andrew Victor49978db2006-01-10 16:59:29 +000050
Andrew Victorcc2832a2006-04-02 17:15:48 +010051 /* Setup the LEDs */
Andrew Victor466e6222006-06-19 17:26:23 +010052 at91_init_leds(AT91_PIN_PB0, AT91_PIN_PB1);
Andrew Victorcc2832a2006-04-02 17:15:48 +010053
Bill Gatliffc8fc1912008-04-07 22:03:17 +010054 /* DBGU on ttyS0 */
55 at91_register_uart(0, 0, 0);
56
57 /* make console=ttyS0 the default */
58 at91_set_serial_console(0);
Andrew Victor49978db2006-01-10 16:59:29 +000059}
60
Jamie Iles84e0cdb2011-03-08 20:17:06 +000061static struct macb_platform_data __initdata csb337_eth_data = {
Andrew Victor49978db2006-01-10 16:59:29 +000062 .phy_irq_pin = AT91_PIN_PC2,
63 .is_rmii = 0,
64};
65
66static struct at91_usbh_data __initdata csb337_usbh_data = {
67 .ports = 2,
Jean-Christophe PLAGNIOL-VILLARD63b4c292011-11-25 01:51:06 +080068 .vbus_pin = {-EINVAL, -EINVAL},
69 .overcurrent_pin= {-EINVAL, -EINVAL},
Andrew Victor49978db2006-01-10 16:59:29 +000070};
71
72static struct at91_udc_data __initdata csb337_udc_data = {
Andrew Victor49978db2006-01-10 16:59:29 +000073 .pullup_pin = AT91_PIN_PA24,
Jean-Christophe PLAGNIOL-VILLARD63b4c292011-11-25 01:51:06 +080074 .vbus_pin = -EINVAL,
Andrew Victor49978db2006-01-10 16:59:29 +000075};
76
David Brownellb5b90682007-07-17 04:05:12 -070077static struct i2c_board_info __initdata csb337_i2c_devices[] = {
Andrew Victorf230d3f2007-11-19 13:47:20 +010078 {
Jean Delvare3760f732008-04-29 23:11:40 +020079 I2C_BOARD_INFO("ds1307", 0x68),
David Brownellb5b90682007-07-17 04:05:12 -070080 },
81};
82
Andrew Victor49978db2006-01-10 16:59:29 +000083static struct at91_cf_data __initdata csb337_cf_data = {
84 /*
85 * connector P4 on the CSB 337 mates to
86 * connector P8 on the CSB 300CF
87 */
88
89 /* CSB337 specific */
90 .det_pin = AT91_PIN_PC3,
91
92 /* CSB300CF specific */
93 .irq_pin = AT91_PIN_PA19,
94 .vcc_pin = AT91_PIN_PD0,
95 .rst_pin = AT91_PIN_PD2,
96};
97
98static struct at91_mmc_data __initdata csb337_mmc_data = {
99 .det_pin = AT91_PIN_PD5,
Andrew Victorc019d492006-12-04 09:09:08 +0100100 .slot_b = 0,
Andrew Victor49978db2006-01-10 16:59:29 +0000101 .wire4 = 1,
102 .wp_pin = AT91_PIN_PD6,
Jean-Christophe PLAGNIOL-VILLARD63b4c292011-11-25 01:51:06 +0800103 .vcc_pin = -EINVAL,
Andrew Victor49978db2006-01-10 16:59:29 +0000104};
105
Andrew Victor466e6222006-06-19 17:26:23 +0100106static struct spi_board_info csb337_spi_devices[] = {
107 { /* CAN controller */
108 .modalias = "sak82c900",
109 .chip_select = 0,
110 .max_speed_hz = 6 * 1000 * 1000,
111 },
112};
113
Andrew Victor127a7ec2007-02-08 10:44:46 +0100114#define CSB_FLASH_BASE AT91_CHIPSELECT_0
Andrew Victore5052402008-09-21 21:30:02 +0100115#define CSB_FLASH_SIZE SZ_8M
Andrew Victor127a7ec2007-02-08 10:44:46 +0100116
117static struct mtd_partition csb_flash_partitions[] = {
118 {
119 .name = "uMON flash",
120 .offset = 0,
121 .size = MTDPART_SIZ_FULL,
122 .mask_flags = MTD_WRITEABLE, /* read only */
123 }
124};
125
126static struct physmap_flash_data csb_flash_data = {
127 .width = 2,
128 .parts = csb_flash_partitions,
129 .nr_parts = ARRAY_SIZE(csb_flash_partitions),
130};
131
132static struct resource csb_flash_resources[] = {
133 {
134 .start = CSB_FLASH_BASE,
135 .end = CSB_FLASH_BASE + CSB_FLASH_SIZE - 1,
136 .flags = IORESOURCE_MEM,
137 }
138};
139
140static struct platform_device csb_flash = {
141 .name = "physmap-flash",
142 .id = 0,
143 .dev = {
144 .platform_data = &csb_flash_data,
145 },
146 .resource = csb_flash_resources,
147 .num_resources = ARRAY_SIZE(csb_flash_resources),
148};
149
Andrew Victor6d2a8402008-01-23 09:28:27 +0100150/*
151 * GPIO Buttons (on CSB300)
152 */
153#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
154static struct gpio_keys_button csb300_buttons[] = {
155 {
156 .gpio = AT91_PIN_PB29,
157 .code = BTN_0,
158 .desc = "sw0",
159 .active_low = 1,
160 .wakeup = 1,
161 },
162 {
163 .gpio = AT91_PIN_PB28,
164 .code = BTN_1,
165 .desc = "sw1",
166 .active_low = 1,
167 .wakeup = 1,
168 },
169 {
170 .gpio = AT91_PIN_PA21,
171 .code = BTN_2,
172 .desc = "sw2",
173 .active_low = 1,
174 .wakeup = 1,
175 }
176};
177
178static struct gpio_keys_platform_data csb300_button_data = {
179 .buttons = csb300_buttons,
180 .nbuttons = ARRAY_SIZE(csb300_buttons),
181};
182
183static struct platform_device csb300_button_device = {
184 .name = "gpio-keys",
185 .id = -1,
186 .num_resources = 0,
187 .dev = {
188 .platform_data = &csb300_button_data,
189 }
190};
191
192static void __init csb300_add_device_buttons(void)
193{
Andrew Victor77789ad2008-09-21 21:34:06 +0100194 at91_set_gpio_input(AT91_PIN_PB29, 1); /* sw0 */
Andrew Victor6d2a8402008-01-23 09:28:27 +0100195 at91_set_deglitch(AT91_PIN_PB29, 1);
Andrew Victor77789ad2008-09-21 21:34:06 +0100196 at91_set_gpio_input(AT91_PIN_PB28, 1); /* sw1 */
Andrew Victor6d2a8402008-01-23 09:28:27 +0100197 at91_set_deglitch(AT91_PIN_PB28, 1);
Andrew Victor77789ad2008-09-21 21:34:06 +0100198 at91_set_gpio_input(AT91_PIN_PA21, 1); /* sw2 */
Andrew Victor6d2a8402008-01-23 09:28:27 +0100199 at91_set_deglitch(AT91_PIN_PA21, 1);
200
201 platform_device_register(&csb300_button_device);
202}
203#else
204static void __init csb300_add_device_buttons(void) {}
205#endif
206
Andrew Victor1b41bdf2008-01-23 09:32:17 +0100207static struct gpio_led csb_leds[] = {
208 { /* "led0", yellow */
209 .name = "led0",
210 .gpio = AT91_PIN_PB2,
211 .active_low = 1,
212 .default_trigger = "heartbeat",
213 },
214 { /* "led1", green */
215 .name = "led1",
216 .gpio = AT91_PIN_PB1,
217 .active_low = 1,
218 .default_trigger = "mmc0",
219 },
220 { /* "led2", yellow */
221 .name = "led2",
222 .gpio = AT91_PIN_PB0,
223 .active_low = 1,
224 .default_trigger = "ide-disk",
Andrew Victor77789ad2008-09-21 21:34:06 +0100225 }
Andrew Victor1b41bdf2008-01-23 09:32:17 +0100226};
227
228
Andrew Victor49978db2006-01-10 16:59:29 +0000229static void __init csb337_board_init(void)
230{
Andrew Victor466e6222006-06-19 17:26:23 +0100231 /* Serial */
232 at91_add_device_serial();
Andrew Victor49978db2006-01-10 16:59:29 +0000233 /* Ethernet */
234 at91_add_device_eth(&csb337_eth_data);
235 /* USB Host */
236 at91_add_device_usbh(&csb337_usbh_data);
237 /* USB Device */
238 at91_add_device_udc(&csb337_udc_data);
Andrew Victor466e6222006-06-19 17:26:23 +0100239 /* I2C */
Andrew Victorf230d3f2007-11-19 13:47:20 +0100240 at91_add_device_i2c(csb337_i2c_devices, ARRAY_SIZE(csb337_i2c_devices));
Andrew Victor49978db2006-01-10 16:59:29 +0000241 /* Compact Flash */
242 at91_set_gpio_input(AT91_PIN_PB22, 1); /* IOIS16 */
243 at91_add_device_cf(&csb337_cf_data);
Andrew Victor466e6222006-06-19 17:26:23 +0100244 /* SPI */
245 at91_add_device_spi(csb337_spi_devices, ARRAY_SIZE(csb337_spi_devices));
Andrew Victor49978db2006-01-10 16:59:29 +0000246 /* MMC */
Andrew Victord0760b32007-02-08 09:00:39 +0100247 at91_add_device_mmc(0, &csb337_mmc_data);
Andrew Victor127a7ec2007-02-08 10:44:46 +0100248 /* NOR flash */
249 platform_device_register(&csb_flash);
Andrew Victor1b41bdf2008-01-23 09:32:17 +0100250 /* LEDs */
251 at91_gpio_leds(csb_leds, ARRAY_SIZE(csb_leds));
Andrew Victor6d2a8402008-01-23 09:28:27 +0100252 /* Switches on CSB300 */
253 csb300_add_device_buttons();
Andrew Victor49978db2006-01-10 16:59:29 +0000254}
255
256MACHINE_START(CSB337, "Cogent CSB337")
257 /* Maintainer: Bill Gatliff */
Andrew Victor49978db2006-01-10 16:59:29 +0000258 .timer = &at91rm9200_timer,
Jean-Christophe PLAGNIOL-VILLARD21d08b92011-04-23 15:28:34 +0800259 .map_io = at91_map_io,
Jean-Christophe PLAGNIOL-VILLARD1b021a32011-04-28 20:19:32 +0800260 .init_early = csb337_init_early,
Jean-Christophe PLAGNIOL-VILLARD92100c12011-04-23 15:28:34 +0800261 .init_irq = at91_init_irq_default,
Andrew Victor49978db2006-01-10 16:59:29 +0000262 .init_machine = csb337_board_init,
263MACHINE_END