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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 | ||
a09e64fb | 30 | #include <mach/hardware.h> |
2f036ac6 AV |
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 | ||
a09e64fb RK |
39 | #include <mach/board.h> |
40 | #include <mach/gpio.h> | |
2f036ac6 AV |
41 | |
42 | #include "generic.h" | |
43 | ||
44 | ||
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 | ||
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, | |
e505240b | 89 | .size = 12 * 1056, |
2f036ac6 AV |
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 accessable spi - cs1 (250KHz) */ | |
132 | .modalias = "spi-cs1", | |
133 | .chip_select = 1, | |
134 | .max_speed_hz = 250 * 1000, | |
135 | }, | |
136 | { /* User accessable spi - cs2 (1MHz) */ | |
137 | .modalias = "spi-cs2", | |
138 | .chip_select = 2, | |
139 | .max_speed_hz = 1 * 1000 * 1000, | |
140 | }, | |
141 | { /* User accessable spi - cs3 (10MHz) */ | |
142 | .modalias = "spi-cs3", | |
143 | .chip_select = 3, | |
144 | .max_speed_hz = 10 * 1000 * 1000, | |
145 | }, | |
146 | }; | |
147 | ||
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 | .phys_io = AT91_BASE_SYS, | |
172 | .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc, | |
173 | .boot_params = AT91_SDRAM_BASE + 0x100, | |
174 | .timer = &at91rm9200_timer, | |
175 | .map_io = ecb_at91map_io, | |
176 | .init_irq = ecb_at91init_irq, | |
177 | .init_machine = ecb_at91board_init, | |
178 | MACHINE_END |