ARM: at91: make sdram/ddr register base soc independent
[linux-2.6.git] / arch / arm / mach-at91 / board-rm9200ek.c
1 /*
2  * linux/arch/arm/mach-at91/board-rm9200ek.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/gpio.h>
26 #include <linux/init.h>
27 #include <linux/mm.h>
28 #include <linux/module.h>
29 #include <linux/platform_device.h>
30 #include <linux/spi/spi.h>
31 #include <linux/mtd/physmap.h>
32
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 <mach/hardware.h>
42 #include <mach/board.h>
43 #include <mach/at91rm9200_mc.h>
44 #include <mach/at91_ramc.h>
45
46 #include "generic.h"
47
48
49 static void __init ek_init_early(void)
50 {
51         /* Initialize processor: 18.432 MHz crystal */
52         at91_initialize(18432000);
53
54         /* Setup the LEDs */
55         at91_init_leds(AT91_PIN_PB1, AT91_PIN_PB2);
56
57         /* DBGU on ttyS0. (Rx & Tx only) */
58         at91_register_uart(0, 0, 0);
59
60         /* USART1 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
61         at91_register_uart(AT91RM9200_ID_US1, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
62                            | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
63                            | ATMEL_UART_RI);
64
65         /* set serial console to ttyS0 (ie, DBGU) */
66         at91_set_serial_console(0);
67 }
68
69 static struct macb_platform_data __initdata ek_eth_data = {
70         .phy_irq_pin    = AT91_PIN_PC4,
71         .is_rmii        = 1,
72 };
73
74 static struct at91_usbh_data __initdata ek_usbh_data = {
75         .ports          = 2,
76         .vbus_pin       = {-EINVAL, -EINVAL},
77         .overcurrent_pin= {-EINVAL, -EINVAL},
78 };
79
80 static struct at91_udc_data __initdata ek_udc_data = {
81         .vbus_pin       = AT91_PIN_PD4,
82         .pullup_pin     = AT91_PIN_PD5,
83 };
84
85 #ifndef CONFIG_MTD_AT91_DATAFLASH_CARD
86 static struct at91_mmc_data __initdata ek_mmc_data = {
87         .det_pin        = AT91_PIN_PB27,
88         .slot_b         = 0,
89         .wire4          = 1,
90         .wp_pin         = AT91_PIN_PA17,
91         .vcc_pin        = -EINVAL,
92 };
93 #endif
94
95 static struct spi_board_info ek_spi_devices[] = {
96         {       /* DataFlash chip */
97                 .modalias       = "mtd_dataflash",
98                 .chip_select    = 0,
99                 .max_speed_hz   = 15 * 1000 * 1000,
100         },
101 #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
102         {       /* DataFlash card */
103                 .modalias       = "mtd_dataflash",
104                 .chip_select    = 3,
105                 .max_speed_hz   = 15 * 1000 * 1000,
106         },
107 #endif
108 };
109
110 static struct i2c_board_info __initdata ek_i2c_devices[] = {
111         {
112                 I2C_BOARD_INFO("ics1523", 0x26),
113         },
114         {
115                 I2C_BOARD_INFO("dac3550", 0x4d),
116         }
117 };
118
119 #define EK_FLASH_BASE   AT91_CHIPSELECT_0
120 #define EK_FLASH_SIZE   SZ_2M
121
122 static struct physmap_flash_data ek_flash_data = {
123         .width          = 2,
124 };
125
126 static struct resource ek_flash_resource = {
127         .start          = EK_FLASH_BASE,
128         .end            = EK_FLASH_BASE + EK_FLASH_SIZE - 1,
129         .flags          = IORESOURCE_MEM,
130 };
131
132 static struct platform_device ek_flash = {
133         .name           = "physmap-flash",
134         .id             = 0,
135         .dev            = {
136                                 .platform_data  = &ek_flash_data,
137                         },
138         .resource       = &ek_flash_resource,
139         .num_resources  = 1,
140 };
141
142 static struct gpio_led ek_leds[] = {
143         {       /* "user led 1", DS2 */
144                 .name                   = "green",
145                 .gpio                   = AT91_PIN_PB0,
146                 .active_low             = 1,
147                 .default_trigger        = "mmc0",
148         },
149         {       /* "user led 2", DS4 */
150                 .name                   = "yellow",
151                 .gpio                   = AT91_PIN_PB1,
152                 .active_low             = 1,
153                 .default_trigger        = "heartbeat",
154         },
155         {       /* "user led 3", DS6 */
156                 .name                   = "red",
157                 .gpio                   = AT91_PIN_PB2,
158                 .active_low             = 1,
159         }
160 };
161
162 static void __init ek_board_init(void)
163 {
164         /* Serial */
165         at91_add_device_serial();
166         /* Ethernet */
167         at91_add_device_eth(&ek_eth_data);
168         /* USB Host */
169         at91_add_device_usbh(&ek_usbh_data);
170         /* USB Device */
171         at91_add_device_udc(&ek_udc_data);
172         at91_set_multi_drive(ek_udc_data.pullup_pin, 1);        /* pullup_pin is connected to reset */
173         /* I2C */
174         at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices));
175         /* SPI */
176         at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
177 #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
178         /* DataFlash card */
179         at91_set_gpio_output(AT91_PIN_PB22, 0);
180 #else
181         /* MMC */
182         at91_set_gpio_output(AT91_PIN_PB22, 1); /* this MMC card slot can optionally use SPI signaling (CS3). */
183         at91_add_device_mmc(0, &ek_mmc_data);
184 #endif
185         /* NOR Flash */
186         platform_device_register(&ek_flash);
187         /* LEDs */
188         at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
189         /* VGA */
190 //      ek_add_device_video();
191 }
192
193 MACHINE_START(AT91RM9200EK, "Atmel AT91RM9200-EK")
194         /* Maintainer: SAN People/Atmel */
195         .timer          = &at91rm9200_timer,
196         .map_io         = at91_map_io,
197         .init_early     = ek_init_early,
198         .init_irq       = at91_init_irq_default,
199         .init_machine   = ek_board_init,
200 MACHINE_END