diff options
author | Andrew Victor <linux@maxim.org.za> | 2008-04-15 16:10:11 -0400 |
---|---|---|
committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-04-17 10:55:51 -0400 |
commit | 2f036ac63ebfa3fc618a1f22324ef9297c5b7d05 (patch) | |
tree | 72699cda23ed08b7fa508219cafbaf97078abf1a /arch/arm/mach-at91/board-ecbat91.c | |
parent | 66dbfc6cd995c8d44a2c7c5b0092b00200e75d7e (diff) |
[ARM] 4980/1: [AT91] emQbit ECB_AT91 board support
Support for the emQbit ECB_AT91 board.
<http://wiki.emqbit.com/free-ecb-at91>
Original patch from Nelson Castillo.
Signed-off-by: Andrew Victor <linux@maxim.org.za>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-at91/board-ecbat91.c')
-rw-r--r-- | arch/arm/mach-at91/board-ecbat91.c | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/board-ecbat91.c b/arch/arm/mach-at91/board-ecbat91.c new file mode 100644 index 000000000000..e77fad443835 --- /dev/null +++ b/arch/arm/mach-at91/board-ecbat91.c | |||
@@ -0,0 +1,178 @@ | |||
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 <asm/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 <asm/arch/board.h> | ||
40 | #include <asm/arch/gpio.h> | ||
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, | ||
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 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 | ||