1 /*
2 * linux/arch/arm/mach-at91/board-rm9200dk.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
45 #include "generic.h"
46
47
dk_init_early(void)48 static void __init dk_init_early(void)
49 {
50 /* Initialize processor: 18.432 MHz crystal */
51 at91_initialize(18432000);
52
53 /* Setup the LEDs */
54 at91_init_leds(AT91_PIN_PB2, 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 struct macb_platform_data __initdata dk_eth_data = {
69 .phy_irq_pin = AT91_PIN_PC4,
70 .is_rmii = 1,
71 };
72
73 static struct at91_usbh_data __initdata dk_usbh_data = {
74 .ports = 2,
75 .vbus_pin = {-EINVAL, -EINVAL},
76 .overcurrent_pin= {-EINVAL, -EINVAL},
77 };
78
79 static struct at91_udc_data __initdata dk_udc_data = {
80 .vbus_pin = AT91_PIN_PD4,
81 .pullup_pin = AT91_PIN_PD5,
82 };
83
84 static struct at91_cf_data __initdata dk_cf_data = {
85 .irq_pin = -EINVAL,
86 .det_pin = AT91_PIN_PB0,
87 .vcc_pin = -EINVAL,
88 .rst_pin = AT91_PIN_PC5,
89 };
90
91 #ifndef CONFIG_MTD_AT91_DATAFLASH_CARD
92 static struct at91_mmc_data __initdata dk_mmc_data = {
93 .slot_b = 0,
94 .wire4 = 1,
95 .det_pin = -EINVAL,
96 .wp_pin = -EINVAL,
97 .vcc_pin = -EINVAL,
98 };
99 #endif
100
101 static struct spi_board_info dk_spi_devices[] = {
102 { /* DataFlash chip */
103 .modalias = "mtd_dataflash",
104 .chip_select = 0,
105 .max_speed_hz = 15 * 1000 * 1000,
106 },
107 { /* UR6HCPS2-SP40 PS2-to-SPI adapter */
108 .modalias = "ur6hcps2",
109 .chip_select = 1,
110 .max_speed_hz = 250 * 1000,
111 },
112 { /* TLV1504 ADC, 4 channels, 10 bits; one is a temp sensor */
113 .modalias = "tlv1504",
114 .chip_select = 2,
115 .max_speed_hz = 20 * 1000 * 1000,
116 },
117 #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
118 { /* DataFlash card */
119 .modalias = "mtd_dataflash",
120 .chip_select = 3,
121 .max_speed_hz = 15 * 1000 * 1000,
122 }
123 #endif
124 };
125
126 static struct i2c_board_info __initdata dk_i2c_devices[] = {
127 {
128 I2C_BOARD_INFO("ics1523", 0x26),
129 },
130 {
131 I2C_BOARD_INFO("x9429", 0x28),
132 },
133 {
134 I2C_BOARD_INFO("24c1024", 0x50),
135 }
136 };
137
138 static struct mtd_partition __initdata dk_nand_partition[] = {
139 {
140 .name = "NAND Partition 1",
141 .offset = 0,
142 .size = MTDPART_SIZ_FULL,
143 },
144 };
145
146 static struct atmel_nand_data __initdata dk_nand_data = {
147 .ale = 22,
148 .cle = 21,
149 .det_pin = AT91_PIN_PB1,
150 .rdy_pin = AT91_PIN_PC2,
151 .enable_pin = -EINVAL,
152 .parts = dk_nand_partition,
153 .num_parts = ARRAY_SIZE(dk_nand_partition),
154 };
155
156 #define DK_FLASH_BASE AT91_CHIPSELECT_0
157 #define DK_FLASH_SIZE SZ_2M
158
159 static struct physmap_flash_data dk_flash_data = {
160 .width = 2,
161 };
162
163 static struct resource dk_flash_resource = {
164 .start = DK_FLASH_BASE,
165 .end = DK_FLASH_BASE + DK_FLASH_SIZE - 1,
166 .flags = IORESOURCE_MEM,
167 };
168
169 static struct platform_device dk_flash = {
170 .name = "physmap-flash",
171 .id = 0,
172 .dev = {
173 .platform_data = &dk_flash_data,
174 },
175 .resource = &dk_flash_resource,
176 .num_resources = 1,
177 };
178
179 static struct gpio_led dk_leds[] = {
180 {
181 .name = "led0",
182 .gpio = AT91_PIN_PB2,
183 .active_low = 1,
184 .default_trigger = "heartbeat",
185 }
186 };
187
dk_board_init(void)188 static void __init dk_board_init(void)
189 {
190 /* Serial */
191 at91_add_device_serial();
192 /* Ethernet */
193 at91_add_device_eth(&dk_eth_data);
194 /* USB Host */
195 at91_add_device_usbh(&dk_usbh_data);
196 /* USB Device */
197 at91_add_device_udc(&dk_udc_data);
198 at91_set_multi_drive(dk_udc_data.pullup_pin, 1); /* pullup_pin is connected to reset */
199 /* Compact Flash */
200 at91_add_device_cf(&dk_cf_data);
201 /* I2C */
202 at91_add_device_i2c(dk_i2c_devices, ARRAY_SIZE(dk_i2c_devices));
203 /* SPI */
204 at91_add_device_spi(dk_spi_devices, ARRAY_SIZE(dk_spi_devices));
205 #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
206 /* DataFlash card */
207 at91_set_gpio_output(AT91_PIN_PB7, 0);
208 #else
209 /* MMC */
210 at91_set_gpio_output(AT91_PIN_PB7, 1); /* this MMC card slot can optionally use SPI signaling (CS3). */
211 at91_add_device_mmc(0, &dk_mmc_data);
212 #endif
213 /* NAND */
214 at91_add_device_nand(&dk_nand_data);
215 /* NOR Flash */
216 platform_device_register(&dk_flash);
217 /* LEDs */
218 at91_gpio_leds(dk_leds, ARRAY_SIZE(dk_leds));
219 /* VGA */
220 // dk_add_device_video();
221 }
222
223 MACHINE_START(AT91RM9200DK, "Atmel AT91RM9200-DK")
224 /* Maintainer: SAN People/Atmel */
225 .timer = &at91rm9200_timer,
226 .map_io = at91_map_io,
227 .init_early = dk_init_early,
228 .init_irq = at91_init_irq_default,
229 .init_machine = dk_board_init,
230 MACHINE_END
231