Merge branch 'linus' into x86/urgent
[linux-2.6] / arch / arm / mach-at91 / board-ek.c
1 /*
2  * linux/arch/arm/mach-at91/board-ek.c
3  *
4  *  Copyright (C) 2005 SAN People
5  *
6  *  Epson S1D framebuffer glue code is:
7  *     Copyright (C) 2005 Thibaut VARENE <varenet@parisc-linux.org>
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
22  */
23
24 #include <linux/types.h>
25 #include <linux/init.h>
26 #include <linux/mm.h>
27 #include <linux/module.h>
28 #include <linux/platform_device.h>
29 #include <linux/spi/spi.h>
30 #include <linux/mtd/physmap.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/at91rm9200_mc.h>
44
45 #include "generic.h"
46
47
48 static void __init ek_map_io(void)
49 {
50         /* Initialize processor: 18.432 MHz crystal */
51         at91rm9200_initialize(18432000, AT91RM9200_BGA);
52
53         /* Setup the LEDs */
54         at91_init_leds(AT91_PIN_PB1, AT91_PIN_PB2);
55
56         /* DBGU on ttyS0. (Rx & Tx only) */
57         at91_register_uart(0, 0, 0);
58
59         /* USART1 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
60         at91_register_uart(AT91RM9200_ID_US1, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
61                            | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
62                            | ATMEL_UART_RI);
63
64         /* set serial console to ttyS0 (ie, DBGU) */
65         at91_set_serial_console(0);
66 }
67
68 static void __init ek_init_irq(void)
69 {
70         at91rm9200_init_interrupts(NULL);
71 }
72
73 static struct at91_eth_data __initdata ek_eth_data = {
74         .phy_irq_pin    = AT91_PIN_PC4,
75         .is_rmii        = 1,
76 };
77
78 static struct at91_usbh_data __initdata ek_usbh_data = {
79         .ports          = 2,
80 };
81
82 static struct at91_udc_data __initdata ek_udc_data = {
83         .vbus_pin       = AT91_PIN_PD4,
84         .pullup_pin     = AT91_PIN_PD5,
85 };
86
87 static struct at91_mmc_data __initdata ek_mmc_data = {
88         .det_pin        = AT91_PIN_PB27,
89         .slot_b         = 0,
90         .wire4          = 1,
91         .wp_pin         = AT91_PIN_PA17,
92 };
93
94 static struct spi_board_info ek_spi_devices[] = {
95         {       /* DataFlash chip */
96                 .modalias       = "mtd_dataflash",
97                 .chip_select    = 0,
98                 .max_speed_hz   = 15 * 1000 * 1000,
99         },
100 #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
101         {       /* DataFlash card */
102                 .modalias       = "mtd_dataflash",
103                 .chip_select    = 3,
104                 .max_speed_hz   = 15 * 1000 * 1000,
105         },
106 #endif
107 };
108
109 static struct i2c_board_info __initdata ek_i2c_devices[] = {
110         {
111                 I2C_BOARD_INFO("ics1523", 0x26),
112         },
113         {
114                 I2C_BOARD_INFO("dac3550", 0x4d),
115         }
116 };
117
118 #define EK_FLASH_BASE   AT91_CHIPSELECT_0
119 #define EK_FLASH_SIZE   0x200000
120
121 static struct physmap_flash_data ek_flash_data = {
122         .width          = 2,
123 };
124
125 static struct resource ek_flash_resource = {
126         .start          = EK_FLASH_BASE,
127         .end            = EK_FLASH_BASE + EK_FLASH_SIZE - 1,
128         .flags          = IORESOURCE_MEM,
129 };
130
131 static struct platform_device ek_flash = {
132         .name           = "physmap-flash",
133         .id             = 0,
134         .dev            = {
135                                 .platform_data  = &ek_flash_data,
136                         },
137         .resource       = &ek_flash_resource,
138         .num_resources  = 1,
139 };
140
141 static struct gpio_led ek_leds[] = {
142         {       /* "user led 1", DS2 */
143                 .name                   = "green",
144                 .gpio                   = AT91_PIN_PB0,
145                 .active_low             = 1,
146                 .default_trigger        = "mmc0",
147         },
148         {       /* "user led 2", DS4 */
149                 .name                   = "yellow",
150                 .gpio                   = AT91_PIN_PB1,
151                 .active_low             = 1,
152                 .default_trigger        = "heartbeat",
153         },
154         {       /* "user led 3", DS6 */
155                 .name                   = "red",
156                 .gpio                   = AT91_PIN_PB2,
157                 .active_low             = 1,
158         }
159 };
160
161 static void __init ek_board_init(void)
162 {
163         /* Serial */
164         at91_add_device_serial();
165         /* Ethernet */
166         at91_add_device_eth(&ek_eth_data);
167         /* USB Host */
168         at91_add_device_usbh(&ek_usbh_data);
169         /* USB Device */
170         at91_add_device_udc(&ek_udc_data);
171         at91_set_multi_drive(ek_udc_data.pullup_pin, 1);        /* pullup_pin is connected to reset */
172         /* I2C */
173         at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices));
174         /* SPI */
175         at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
176 #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
177         /* DataFlash card */
178         at91_set_gpio_output(AT91_PIN_PB22, 0);
179 #else
180         /* MMC */
181         at91_set_gpio_output(AT91_PIN_PB22, 1); /* this MMC card slot can optionally use SPI signaling (CS3). */
182         at91_add_device_mmc(0, &ek_mmc_data);
183 #endif
184         /* NOR Flash */
185         platform_device_register(&ek_flash);
186         /* LEDs */
187         at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
188         /* VGA */
189 //      ek_add_device_video();
190 }
191
192 MACHINE_START(AT91RM9200EK, "Atmel AT91RM9200-EK")
193         /* Maintainer: SAN People/Atmel */
194         .phys_io        = AT91_BASE_SYS,
195         .io_pg_offst    = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
196         .boot_params    = AT91_SDRAM_BASE + 0x100,
197         .timer          = &at91rm9200_timer,
198         .map_io         = ek_map_io,
199         .init_irq       = ek_init_irq,
200         .init_machine   = ek_board_init,
201 MACHINE_END