1 /*
2 * linux/arch/arm/mach-at91rm9200/board-ecbat91.c
3 * Copyright (C) 2007 emQbit.com.
4 *
5 * We started from board-dk.c, which is Copyright (C) 2005 SAN People.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 */
21
22 #include <linux/types.h>
23 #include <linux/init.h>
24 #include <linux/mm.h>
25 #include <linux/module.h>
26 #include <linux/platform_device.h>
27 #include <linux/spi/spi.h>
28 #include <linux/spi/flash.h>
29
30 #include <mach/hardware.h>
31 #include <asm/setup.h>
32 #include <asm/mach-types.h>
33 #include <asm/irq.h>
34
35 #include <asm/mach/arch.h>
36 #include <asm/mach/map.h>
37 #include <asm/mach/irq.h>
38
39 #include <mach/board.h>
40 #include <mach/gpio.h>
41
42 #include "generic.h"
43
44
ecb_at91map_io(void)45 static void __init ecb_at91map_io(void)
46 {
47 /* Initialize processor: 18.432 MHz crystal */
48 at91rm9200_initialize(18432000, AT91RM9200_PQFP);
49
50 /* Setup the LEDs */
51 at91_init_leds(AT91_PIN_PC7, AT91_PIN_PC7);
52
53 /* DBGU on ttyS0. (Rx & Tx only) */
54 at91_register_uart(0, 0, 0);
55
56 /* USART0 on ttyS1. (Rx & Tx only) */
57 at91_register_uart(AT91RM9200_ID_US0, 1, 0);
58
59 /* set serial console to ttyS0 (ie, DBGU) */
60 at91_set_serial_console(0);
61 }
62
ecb_at91init_irq(void)63 static void __init ecb_at91init_irq(void)
64 {
65 at91rm9200_init_interrupts(NULL);
66 }
67
68 static struct at91_eth_data __initdata ecb_at91eth_data = {
69 .phy_irq_pin = AT91_PIN_PC4,
70 .is_rmii = 0,
71 };
72
73 static struct at91_usbh_data __initdata ecb_at91usbh_data = {
74 .ports = 1,
75 };
76
77 static struct at91_mmc_data __initdata ecb_at91mmc_data = {
78 .slot_b = 0,
79 .wire4 = 1,
80 };
81
82
83 #if defined(CONFIG_MTD_DATAFLASH)
84 static struct mtd_partition __initdata my_flash0_partitions[] =
85 {
86 { /* 0x8400 */
87 .name = "Darrell-loader",
88 .offset = 0,
89 .size = 12 * 1056,
90 },
91 {
92 .name = "U-boot",
93 .offset = MTDPART_OFS_NXTBLK,
94 .size = 110 * 1056,
95 },
96 { /* 1336 (167 blocks) pages * 1056 bytes = 0x158700 bytes */
97 .name = "UBoot-env",
98 .offset = MTDPART_OFS_NXTBLK,
99 .size = 8 * 1056,
100 },
101 { /* 1336 (167 blocks) pages * 1056 bytes = 0x158700 bytes */
102 .name = "Kernel",
103 .offset = MTDPART_OFS_NXTBLK,
104 .size = 1534 * 1056,
105 },
106 { /* 190200 - jffs2 root filesystem */
107 .name = "Filesystem",
108 .offset = MTDPART_OFS_NXTBLK,
109 .size = MTDPART_SIZ_FULL, /* 26 sectors */
110 }
111 };
112
113 static struct flash_platform_data __initdata my_flash0_platform = {
114 .name = "Removable flash card",
115 .parts = my_flash0_partitions,
116 .nr_parts = ARRAY_SIZE(my_flash0_partitions)
117 };
118
119 #endif
120
121 static struct spi_board_info __initdata ecb_at91spi_devices[] = {
122 { /* DataFlash chip */
123 .modalias = "mtd_dataflash",
124 .chip_select = 0,
125 .max_speed_hz = 10 * 1000 * 1000,
126 .bus_num = 0,
127 #if defined(CONFIG_MTD_DATAFLASH)
128 .platform_data = &my_flash0_platform,
129 #endif
130 },
131 { /* User accessible spi - cs1 (250KHz) */
132 .modalias = "spi-cs1",
133 .chip_select = 1,
134 .max_speed_hz = 250 * 1000,
135 },
136 { /* User accessible spi - cs2 (1MHz) */
137 .modalias = "spi-cs2",
138 .chip_select = 2,
139 .max_speed_hz = 1 * 1000 * 1000,
140 },
141 { /* User accessible spi - cs3 (10MHz) */
142 .modalias = "spi-cs3",
143 .chip_select = 3,
144 .max_speed_hz = 10 * 1000 * 1000,
145 },
146 };
147
ecb_at91board_init(void)148 static void __init ecb_at91board_init(void)
149 {
150 /* Serial */
151 at91_add_device_serial();
152
153 /* Ethernet */
154 at91_add_device_eth(&ecb_at91eth_data);
155
156 /* USB Host */
157 at91_add_device_usbh(&ecb_at91usbh_data);
158
159 /* I2C */
160 at91_add_device_i2c(NULL, 0);
161
162 /* MMC */
163 at91_add_device_mmc(0, &ecb_at91mmc_data);
164
165 /* SPI */
166 at91_add_device_spi(ecb_at91spi_devices, ARRAY_SIZE(ecb_at91spi_devices));
167 }
168
169 MACHINE_START(ECBAT91, "emQbit's ECB_AT91")
170 /* Maintainer: emQbit.com */
171 .boot_params = AT91_SDRAM_BASE + 0x100,
172 .timer = &at91rm9200_timer,
173 .map_io = ecb_at91map_io,
174 .init_irq = ecb_at91init_irq,
175 .init_machine = ecb_at91board_init,
176 MACHINE_END
177