diff options
Diffstat (limited to 'arch/arm/mach-at91/board-cpuat91.c')
-rw-r--r-- | arch/arm/mach-at91/board-cpuat91.c | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/board-cpuat91.c b/arch/arm/mach-at91/board-cpuat91.c new file mode 100644 index 000000000000..a28d99656190 --- /dev/null +++ b/arch/arm/mach-at91/board-cpuat91.c | |||
@@ -0,0 +1,185 @@ | |||
1 | /* | ||
2 | * linux/arch/arm/mach-at91/board-cpuat91.c | ||
3 | * | ||
4 | * Copyright (C) 2009 Eric Benard - eric@eukrea.com | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License as published by | ||
8 | * the Free Software Foundation; either version 2 of the License, or | ||
9 | * (at your option) any later version. | ||
10 | * | ||
11 | * This program is distributed in the hope that it will be useful, | ||
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
14 | * GNU General Public License for more details. | ||
15 | * | ||
16 | * You should have received a copy of the GNU General Public License | ||
17 | * along with this program; if not, write to the Free Software | ||
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
19 | */ | ||
20 | |||
21 | #include <linux/types.h> | ||
22 | #include <linux/init.h> | ||
23 | #include <linux/mm.h> | ||
24 | #include <linux/module.h> | ||
25 | #include <linux/platform_device.h> | ||
26 | #include <linux/mtd/physmap.h> | ||
27 | #include <linux/mtd/plat-ram.h> | ||
28 | |||
29 | #include <mach/hardware.h> | ||
30 | #include <asm/setup.h> | ||
31 | #include <asm/mach-types.h> | ||
32 | #include <asm/irq.h> | ||
33 | |||
34 | #include <asm/mach/arch.h> | ||
35 | #include <asm/mach/map.h> | ||
36 | #include <asm/mach/irq.h> | ||
37 | |||
38 | #include <mach/board.h> | ||
39 | #include <mach/gpio.h> | ||
40 | #include <mach/at91rm9200_mc.h> | ||
41 | |||
42 | #include "generic.h" | ||
43 | |||
44 | static struct gpio_led cpuat91_leds[] = { | ||
45 | { | ||
46 | .name = "led1", | ||
47 | .default_trigger = "heartbeat", | ||
48 | .active_low = 1, | ||
49 | .gpio = AT91_PIN_PC0, | ||
50 | }, | ||
51 | }; | ||
52 | |||
53 | static void __init cpuat91_map_io(void) | ||
54 | { | ||
55 | /* Initialize processor: 18.432 MHz crystal */ | ||
56 | at91rm9200_initialize(18432000, AT91RM9200_PQFP); | ||
57 | |||
58 | /* DBGU on ttyS0. (Rx & Tx only) */ | ||
59 | at91_register_uart(0, 0, 0); | ||
60 | |||
61 | /* USART0 on ttyS1. (Rx, Tx, CTS, RTS) */ | ||
62 | at91_register_uart(AT91RM9200_ID_US0, 1, ATMEL_UART_CTS | | ||
63 | ATMEL_UART_RTS); | ||
64 | |||
65 | /* USART1 on ttyS2. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */ | ||
66 | at91_register_uart(AT91RM9200_ID_US1, 2, ATMEL_UART_CTS | | ||
67 | ATMEL_UART_RTS | ATMEL_UART_DTR | ATMEL_UART_DSR | | ||
68 | ATMEL_UART_DCD | ATMEL_UART_RI); | ||
69 | |||
70 | /* USART2 on ttyS3 (Rx, Tx) */ | ||
71 | at91_register_uart(AT91RM9200_ID_US2, 3, 0); | ||
72 | |||
73 | /* USART3 on ttyS4 (Rx, Tx, CTS, RTS) */ | ||
74 | at91_register_uart(AT91RM9200_ID_US3, 4, ATMEL_UART_CTS | | ||
75 | ATMEL_UART_RTS); | ||
76 | |||
77 | /* set serial console to ttyS0 (ie, DBGU) */ | ||
78 | at91_set_serial_console(0); | ||
79 | } | ||
80 | |||
81 | static void __init cpuat91_init_irq(void) | ||
82 | { | ||
83 | at91rm9200_init_interrupts(NULL); | ||
84 | } | ||
85 | |||
86 | static struct at91_eth_data __initdata cpuat91_eth_data = { | ||
87 | .is_rmii = 1, | ||
88 | }; | ||
89 | |||
90 | static struct at91_usbh_data __initdata cpuat91_usbh_data = { | ||
91 | .ports = 1, | ||
92 | }; | ||
93 | |||
94 | static struct at91_udc_data __initdata cpuat91_udc_data = { | ||
95 | .vbus_pin = AT91_PIN_PC15, | ||
96 | .pullup_pin = AT91_PIN_PC14, | ||
97 | }; | ||
98 | |||
99 | static struct at91_mmc_data __initdata cpuat91_mmc_data = { | ||
100 | .det_pin = AT91_PIN_PC2, | ||
101 | .wire4 = 1, | ||
102 | }; | ||
103 | |||
104 | static struct physmap_flash_data cpuat91_flash_data = { | ||
105 | .width = 2, | ||
106 | }; | ||
107 | |||
108 | static struct resource cpuat91_flash_resource = { | ||
109 | .start = AT91_CHIPSELECT_0, | ||
110 | .end = AT91_CHIPSELECT_0 + SZ_16M - 1, | ||
111 | .flags = IORESOURCE_MEM, | ||
112 | }; | ||
113 | |||
114 | static struct platform_device cpuat91_norflash = { | ||
115 | .name = "physmap-flash", | ||
116 | .id = 0, | ||
117 | .dev = { | ||
118 | .platform_data = &cpuat91_flash_data, | ||
119 | }, | ||
120 | .resource = &cpuat91_flash_resource, | ||
121 | .num_resources = 1, | ||
122 | }; | ||
123 | |||
124 | #ifdef CONFIG_MTD_PLATRAM | ||
125 | struct platdata_mtd_ram at91_sram_pdata = { | ||
126 | .mapname = "SRAM", | ||
127 | .bankwidth = 2, | ||
128 | }; | ||
129 | |||
130 | static struct resource at91_sram_resource[] = { | ||
131 | [0] = { | ||
132 | .start = AT91RM9200_SRAM_BASE, | ||
133 | .end = AT91RM9200_SRAM_BASE + AT91RM9200_SRAM_SIZE - 1, | ||
134 | .flags = IORESOURCE_MEM, | ||
135 | }, | ||
136 | }; | ||
137 | |||
138 | static struct platform_device at91_sram = { | ||
139 | .name = "mtd-ram", | ||
140 | .id = 0, | ||
141 | .resource = at91_sram_resource, | ||
142 | .num_resources = ARRAY_SIZE(at91_sram_resource), | ||
143 | .dev = { | ||
144 | .platform_data = &at91_sram_pdata, | ||
145 | }, | ||
146 | }; | ||
147 | #endif /* MTD_PLATRAM */ | ||
148 | |||
149 | static struct platform_device *platform_devices[] __initdata = { | ||
150 | &cpuat91_norflash, | ||
151 | #ifdef CONFIG_MTD_PLATRAM | ||
152 | &at91_sram, | ||
153 | #endif /* CONFIG_MTD_PLATRAM */ | ||
154 | }; | ||
155 | |||
156 | static void __init cpuat91_board_init(void) | ||
157 | { | ||
158 | /* Serial */ | ||
159 | at91_add_device_serial(); | ||
160 | /* LEDs. */ | ||
161 | at91_gpio_leds(cpuat91_leds, ARRAY_SIZE(cpuat91_leds)); | ||
162 | /* Ethernet */ | ||
163 | at91_add_device_eth(&cpuat91_eth_data); | ||
164 | /* USB Host */ | ||
165 | at91_add_device_usbh(&cpuat91_usbh_data); | ||
166 | /* USB Device */ | ||
167 | at91_add_device_udc(&cpuat91_udc_data); | ||
168 | /* MMC */ | ||
169 | at91_add_device_mmc(0, &cpuat91_mmc_data); | ||
170 | /* I2C */ | ||
171 | at91_add_device_i2c(NULL, 0); | ||
172 | /* Platform devices */ | ||
173 | platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); | ||
174 | } | ||
175 | |||
176 | MACHINE_START(CPUAT91, "Eukrea") | ||
177 | /* Maintainer: Eric Benard - EUKREA Electromatique */ | ||
178 | .phys_io = AT91_BASE_SYS, | ||
179 | .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc, | ||
180 | .boot_params = AT91_SDRAM_BASE + 0x100, | ||
181 | .timer = &at91rm9200_timer, | ||
182 | .map_io = cpuat91_map_io, | ||
183 | .init_irq = cpuat91_init_irq, | ||
184 | .init_machine = cpuat91_board_init, | ||
185 | MACHINE_END | ||