Merge branch 'orion' into devel
[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 /*
49  * Serial port configuration.
50  *    0 .. 3 = USART0 .. USART3
51  *    4      = DBGU
52  */
53 static struct at91_uart_config __initdata ek_uart_config = {
54         .console_tty    = 0,                            /* ttyS0 */
55         .nr_tty         = 2,
56         .tty_map        = { 4, 1, -1, -1, -1 }          /* ttyS0, ..., ttyS4 */
57 };
58
59 static void __init ek_map_io(void)
60 {
61         /* Initialize processor: 18.432 MHz crystal */
62         at91rm9200_initialize(18432000, AT91RM9200_BGA);
63
64         /* Setup the LEDs */
65         at91_init_leds(AT91_PIN_PB1, AT91_PIN_PB2);
66
67         /* Setup the serial ports and console */
68         at91_init_serial(&ek_uart_config);
69 }
70
71 static void __init ek_init_irq(void)
72 {
73         at91rm9200_init_interrupts(NULL);
74 }
75
76 static struct at91_eth_data __initdata ek_eth_data = {
77         .phy_irq_pin    = AT91_PIN_PC4,
78         .is_rmii        = 1,
79 };
80
81 static struct at91_usbh_data __initdata ek_usbh_data = {
82         .ports          = 2,
83 };
84
85 static struct at91_udc_data __initdata ek_udc_data = {
86         .vbus_pin       = AT91_PIN_PD4,
87         .pullup_pin     = AT91_PIN_PD5,
88 };
89
90 static struct at91_mmc_data __initdata ek_mmc_data = {
91         .det_pin        = AT91_PIN_PB27,
92         .slot_b         = 0,
93         .wire4          = 1,
94         .wp_pin         = AT91_PIN_PA17,
95 };
96
97 static struct spi_board_info ek_spi_devices[] = {
98         {       /* DataFlash chip */
99                 .modalias       = "mtd_dataflash",
100                 .chip_select    = 0,
101                 .max_speed_hz   = 15 * 1000 * 1000,
102         },
103 #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
104         {       /* DataFlash card */
105                 .modalias       = "mtd_dataflash",
106                 .chip_select    = 3,
107                 .max_speed_hz   = 15 * 1000 * 1000,
108         },
109 #endif
110 };
111
112 static struct i2c_board_info __initdata ek_i2c_devices[] = {
113         {
114                 I2C_BOARD_INFO("ics1523", 0x26),
115         },
116         {
117                 I2C_BOARD_INFO("dac3550", 0x4d),
118         }
119 };
120
121 #define EK_FLASH_BASE   AT91_CHIPSELECT_0
122 #define EK_FLASH_SIZE   0x200000
123
124 static struct physmap_flash_data ek_flash_data = {
125         .width  = 2,
126 };
127
128 static struct resource ek_flash_resource = {
129         .start          = EK_FLASH_BASE,
130         .end            = EK_FLASH_BASE + EK_FLASH_SIZE - 1,
131         .flags          = IORESOURCE_MEM,
132 };
133
134 static struct platform_device ek_flash = {
135         .name           = "physmap-flash",
136         .id             = 0,
137         .dev            = {
138                                 .platform_data  = &ek_flash_data,
139                         },
140         .resource       = &ek_flash_resource,
141         .num_resources  = 1,
142 };
143
144 static struct gpio_led ek_leds[] = {
145         {       /* "user led 1", DS2 */
146                 .name                   = "green",
147                 .gpio                   = AT91_PIN_PB0,
148                 .active_low             = 1,
149                 .default_trigger        = "mmc0",
150         },
151         {       /* "user led 2", DS4 */
152                 .name                   = "yellow",
153                 .gpio                   = AT91_PIN_PB1,
154                 .active_low             = 1,
155                 .default_trigger        = "heartbeat",
156         },
157         {       /* "user led 3", DS6 */
158                 .name                   = "red",
159                 .gpio                   = AT91_PIN_PB2,
160                 .active_low             = 1,
161         }
162 };
163
164 static void __init ek_board_init(void)
165 {
166         /* Serial */
167         at91_add_device_serial();
168         /* Ethernet */
169         at91_add_device_eth(&ek_eth_data);
170         /* USB Host */
171         at91_add_device_usbh(&ek_usbh_data);
172         /* USB Device */
173         at91_add_device_udc(&ek_udc_data);
174         at91_set_multi_drive(ek_udc_data.pullup_pin, 1);        /* pullup_pin is connected to reset */
175         /* I2C */
176         at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices));
177         /* SPI */
178         at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
179 #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
180         /* DataFlash card */
181         at91_set_gpio_output(AT91_PIN_PB22, 0);
182 #else
183         /* MMC */
184         at91_set_gpio_output(AT91_PIN_PB22, 1); /* this MMC card slot can optionally use SPI signaling (CS3). */
185         at91_add_device_mmc(0, &ek_mmc_data);
186 #endif
187         /* NOR Flash */
188         platform_device_register(&ek_flash);
189         /* LEDs */
190         at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
191         /* VGA */
192 //      ek_add_device_video();
193 }
194
195 MACHINE_START(AT91RM9200EK, "Atmel AT91RM9200-EK")
196         /* Maintainer: SAN People/Atmel */
197         .phys_io        = AT91_BASE_SYS,
198         .io_pg_offst    = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
199         .boot_params    = AT91_SDRAM_BASE + 0x100,
200         .timer          = &at91rm9200_timer,
201         .map_io         = ek_map_io,
202         .init_irq       = ek_init_irq,
203         .init_machine   = ek_board_init,
204 MACHINE_END