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Diffstat (limited to 'arch/arm/mach-at91/board-dk.c')
-rw-r--r-- | arch/arm/mach-at91/board-dk.c | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/board-dk.c b/arch/arm/mach-at91/board-dk.c new file mode 100644 index 000000000000..7401dbe1b474 --- /dev/null +++ b/arch/arm/mach-at91/board-dk.c | |||
@@ -0,0 +1,216 @@ | |||
1 | /* | ||
2 | * linux/arch/arm/mach-at91/board-dk.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/init.h> | ||
26 | #include <linux/mm.h> | ||
27 | #include <linux/module.h> | ||
28 | #include <linux/platform_device.h> | ||
29 | #include <linux/spi/spi.h> | ||
30 | #include <linux/mtd/physmap.h> | ||
31 | |||
32 | #include <asm/hardware.h> | ||
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 <asm/arch/board.h> | ||
42 | #include <asm/arch/gpio.h> | ||
43 | #include <asm/arch/at91rm9200_mc.h> | ||
44 | |||
45 | #include "generic.h" | ||
46 | |||
47 | |||
48 | /* | ||
49 | * Serial port configuration. | ||
50 | * 0 .. 3 = USART0 .. USART3 | ||
51 | * 4 = DBGU | ||
52 | */ | ||
53 | static struct at91_uart_config __initdata dk_uart_config = { | ||
54 | .console_tty = 0, /* ttyS0 */ | ||
55 | .nr_tty = 2, | ||
56 | .tty_map = { 4, 1, -1, -1, -1 } /* ttyS0, ..., ttyS4 */ | ||
57 | }; | ||
58 | |||
59 | static void __init dk_map_io(void) | ||
60 | { | ||
61 | /* Initialize processor: 18.432 MHz crystal */ | ||
62 | at91rm9200_initialize(18432000, AT91RM9200_BGA); | ||
63 | |||
64 | /* Setup the LEDs */ | ||
65 | at91_init_leds(AT91_PIN_PB2, AT91_PIN_PB2); | ||
66 | |||
67 | /* Setup the serial ports and console */ | ||
68 | at91_init_serial(&dk_uart_config); | ||
69 | } | ||
70 | |||
71 | static void __init dk_init_irq(void) | ||
72 | { | ||
73 | at91rm9200_init_interrupts(NULL); | ||
74 | } | ||
75 | |||
76 | static struct at91_eth_data __initdata dk_eth_data = { | ||
77 | .phy_irq_pin = AT91_PIN_PC4, | ||
78 | .is_rmii = 1, | ||
79 | }; | ||
80 | |||
81 | static struct at91_usbh_data __initdata dk_usbh_data = { | ||
82 | .ports = 2, | ||
83 | }; | ||
84 | |||
85 | static struct at91_udc_data __initdata dk_udc_data = { | ||
86 | .vbus_pin = AT91_PIN_PD4, | ||
87 | .pullup_pin = AT91_PIN_PD5, | ||
88 | }; | ||
89 | |||
90 | static struct at91_cf_data __initdata dk_cf_data = { | ||
91 | .det_pin = AT91_PIN_PB0, | ||
92 | .rst_pin = AT91_PIN_PC5, | ||
93 | // .irq_pin = ... not connected | ||
94 | // .vcc_pin = ... always powered | ||
95 | }; | ||
96 | |||
97 | static struct at91_mmc_data __initdata dk_mmc_data = { | ||
98 | .slot_b = 0, | ||
99 | .wire4 = 1, | ||
100 | }; | ||
101 | |||
102 | static struct spi_board_info dk_spi_devices[] = { | ||
103 | { /* DataFlash chip */ | ||
104 | .modalias = "mtd_dataflash", | ||
105 | .chip_select = 0, | ||
106 | .max_speed_hz = 15 * 1000 * 1000, | ||
107 | }, | ||
108 | { /* UR6HCPS2-SP40 PS2-to-SPI adapter */ | ||
109 | .modalias = "ur6hcps2", | ||
110 | .chip_select = 1, | ||
111 | .max_speed_hz = 250 * 1000, | ||
112 | }, | ||
113 | { /* TLV1504 ADC, 4 channels, 10 bits; one is a temp sensor */ | ||
114 | .modalias = "tlv1504", | ||
115 | .chip_select = 2, | ||
116 | .max_speed_hz = 20 * 1000 * 1000, | ||
117 | }, | ||
118 | #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD | ||
119 | { /* DataFlash card */ | ||
120 | .modalias = "mtd_dataflash", | ||
121 | .chip_select = 3, | ||
122 | .max_speed_hz = 15 * 1000 * 1000, | ||
123 | } | ||
124 | #endif | ||
125 | }; | ||
126 | |||
127 | static struct mtd_partition __initdata dk_nand_partition[] = { | ||
128 | { | ||
129 | .name = "NAND Partition 1", | ||
130 | .offset = 0, | ||
131 | .size = MTDPART_SIZ_FULL, | ||
132 | }, | ||
133 | }; | ||
134 | |||
135 | static struct mtd_partition *nand_partitions(int size, int *num_partitions) | ||
136 | { | ||
137 | *num_partitions = ARRAY_SIZE(dk_nand_partition); | ||
138 | return dk_nand_partition; | ||
139 | } | ||
140 | |||
141 | static struct at91_nand_data __initdata dk_nand_data = { | ||
142 | .ale = 22, | ||
143 | .cle = 21, | ||
144 | .det_pin = AT91_PIN_PB1, | ||
145 | .rdy_pin = AT91_PIN_PC2, | ||
146 | // .enable_pin = ... not there | ||
147 | .partition_info = nand_partitions, | ||
148 | }; | ||
149 | |||
150 | #define DK_FLASH_BASE AT91_CHIPSELECT_0 | ||
151 | #define DK_FLASH_SIZE 0x200000 | ||
152 | |||
153 | static struct physmap_flash_data dk_flash_data = { | ||
154 | .width = 2, | ||
155 | }; | ||
156 | |||
157 | static struct resource dk_flash_resource = { | ||
158 | .start = DK_FLASH_BASE, | ||
159 | .end = DK_FLASH_BASE + DK_FLASH_SIZE - 1, | ||
160 | .flags = IORESOURCE_MEM, | ||
161 | }; | ||
162 | |||
163 | static struct platform_device dk_flash = { | ||
164 | .name = "physmap-flash", | ||
165 | .id = 0, | ||
166 | .dev = { | ||
167 | .platform_data = &dk_flash_data, | ||
168 | }, | ||
169 | .resource = &dk_flash_resource, | ||
170 | .num_resources = 1, | ||
171 | }; | ||
172 | |||
173 | |||
174 | static void __init dk_board_init(void) | ||
175 | { | ||
176 | /* Serial */ | ||
177 | at91_add_device_serial(); | ||
178 | /* Ethernet */ | ||
179 | at91_add_device_eth(&dk_eth_data); | ||
180 | /* USB Host */ | ||
181 | at91_add_device_usbh(&dk_usbh_data); | ||
182 | /* USB Device */ | ||
183 | at91_add_device_udc(&dk_udc_data); | ||
184 | at91_set_multi_drive(dk_udc_data.pullup_pin, 1); /* pullup_pin is connected to reset */ | ||
185 | /* Compact Flash */ | ||
186 | at91_add_device_cf(&dk_cf_data); | ||
187 | /* I2C */ | ||
188 | at91_add_device_i2c(); | ||
189 | /* SPI */ | ||
190 | at91_add_device_spi(dk_spi_devices, ARRAY_SIZE(dk_spi_devices)); | ||
191 | #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD | ||
192 | /* DataFlash card */ | ||
193 | at91_set_gpio_output(AT91_PIN_PB7, 0); | ||
194 | #else | ||
195 | /* MMC */ | ||
196 | at91_set_gpio_output(AT91_PIN_PB7, 1); /* this MMC card slot can optionally use SPI signaling (CS3). */ | ||
197 | at91_add_device_mmc(&dk_mmc_data); | ||
198 | #endif | ||
199 | /* NAND */ | ||
200 | at91_add_device_nand(&dk_nand_data); | ||
201 | /* NOR Flash */ | ||
202 | platform_device_register(&dk_flash); | ||
203 | /* VGA */ | ||
204 | // dk_add_device_video(); | ||
205 | } | ||
206 | |||
207 | MACHINE_START(AT91RM9200DK, "Atmel AT91RM9200-DK") | ||
208 | /* Maintainer: SAN People/Atmel */ | ||
209 | .phys_io = AT91_BASE_SYS, | ||
210 | .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc, | ||
211 | .boot_params = AT91_SDRAM_BASE + 0x100, | ||
212 | .timer = &at91rm9200_timer, | ||
213 | .map_io = dk_map_io, | ||
214 | .init_irq = dk_init_irq, | ||
215 | .init_machine = dk_board_init, | ||
216 | MACHINE_END | ||