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1 | /* |
2 | * linux/arch/arm/mach-at91/board-picotux200.c | |
3 | * | |
4 | * Copyright (C) 2005 SAN People | |
5 | * Copyright (C) 2007 Kleinhenz Elektronik GmbH | |
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/mtd/physmap.h> | |
29 | ||
a09e64fb | 30 | #include <mach/hardware.h> |
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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> | |
41 | #include <mach/at91rm9200_mc.h> | |
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42 | |
43 | #include "generic.h" | |
44 | ||
45 | ||
46 | /* | |
47 | * Serial port configuration. | |
48 | * 0 .. 3 = USART0 .. USART3 | |
49 | * 4 = DBGU | |
50 | */ | |
51 | static struct at91_uart_config __initdata picotux200_uart_config = { | |
52 | .console_tty = 0, /* ttyS0 */ | |
53 | .nr_tty = 2, | |
54 | .tty_map = { 4, 1, -1, -1, -1 } /* ttyS0, ..., ttyS4 */ | |
55 | }; | |
56 | ||
57 | static void __init picotux200_map_io(void) | |
58 | { | |
59 | /* Initialize processor: 18.432 MHz crystal */ | |
60 | at91rm9200_initialize(18432000, AT91RM9200_BGA); | |
61 | ||
62 | /* Setup the serial ports and console */ | |
63 | at91_init_serial(&picotux200_uart_config); | |
64 | } | |
65 | ||
66 | static void __init picotux200_init_irq(void) | |
67 | { | |
68 | at91rm9200_init_interrupts(NULL); | |
69 | } | |
70 | ||
71 | static struct at91_eth_data __initdata picotux200_eth_data = { | |
72 | .phy_irq_pin = AT91_PIN_PC4, | |
73 | .is_rmii = 1, | |
74 | }; | |
75 | ||
76 | static struct at91_usbh_data __initdata picotux200_usbh_data = { | |
77 | .ports = 1, | |
78 | }; | |
79 | ||
80 | // static struct at91_udc_data __initdata picotux200_udc_data = { | |
81 | // .vbus_pin = AT91_PIN_PD4, | |
82 | // .pullup_pin = AT91_PIN_PD5, | |
83 | // }; | |
84 | ||
85 | static struct at91_mmc_data __initdata picotux200_mmc_data = { | |
86 | .det_pin = AT91_PIN_PB27, | |
87 | .slot_b = 0, | |
88 | .wire4 = 1, | |
89 | .wp_pin = AT91_PIN_PA17, | |
90 | }; | |
91 | ||
92 | // static struct spi_board_info picotux200_spi_devices[] = { | |
93 | // { /* DataFlash chip */ | |
94 | // .modalias = "mtd_dataflash", | |
95 | // .chip_select = 0, | |
96 | // .max_speed_hz = 15 * 1000 * 1000, | |
97 | // }, | |
98 | // #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD | |
99 | // { /* DataFlash card */ | |
100 | // .modalias = "mtd_dataflash", | |
101 | // .chip_select = 3, | |
102 | // .max_speed_hz = 15 * 1000 * 1000, | |
103 | // }, | |
104 | // #endif | |
105 | // }; | |
106 | ||
107 | #define PICOTUX200_FLASH_BASE AT91_CHIPSELECT_0 | |
e505240b | 108 | #define PICOTUX200_FLASH_SIZE SZ_4M |
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109 | |
110 | static struct physmap_flash_data picotux200_flash_data = { | |
111 | .width = 2, | |
112 | }; | |
113 | ||
114 | static struct resource picotux200_flash_resource = { | |
115 | .start = PICOTUX200_FLASH_BASE, | |
116 | .end = PICOTUX200_FLASH_BASE + PICOTUX200_FLASH_SIZE - 1, | |
117 | .flags = IORESOURCE_MEM, | |
118 | }; | |
119 | ||
120 | static struct platform_device picotux200_flash = { | |
121 | .name = "physmap-flash", | |
122 | .id = 0, | |
123 | .dev = { | |
124 | .platform_data = &picotux200_flash_data, | |
125 | }, | |
126 | .resource = &picotux200_flash_resource, | |
127 | .num_resources = 1, | |
128 | }; | |
129 | ||
130 | static void __init picotux200_board_init(void) | |
131 | { | |
132 | /* Serial */ | |
133 | at91_add_device_serial(); | |
134 | /* Ethernet */ | |
135 | at91_add_device_eth(&picotux200_eth_data); | |
136 | /* USB Host */ | |
137 | at91_add_device_usbh(&picotux200_usbh_data); | |
138 | /* USB Device */ | |
139 | // at91_add_device_udc(&picotux200_udc_data); | |
140 | // at91_set_multi_drive(picotux200_udc_data.pullup_pin, 1); /* pullup_pin is connected to reset */ | |
141 | /* I2C */ | |
f230d3f5 | 142 | at91_add_device_i2c(NULL, 0); |
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143 | /* SPI */ |
144 | // at91_add_device_spi(picotux200_spi_devices, ARRAY_SIZE(picotux200_spi_devices)); | |
145 | #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD | |
146 | /* DataFlash card */ | |
147 | at91_set_gpio_output(AT91_PIN_PB22, 0); | |
148 | #else | |
149 | /* MMC */ | |
150 | at91_set_gpio_output(AT91_PIN_PB22, 1); /* this MMC card slot can optionally use SPI signaling (CS3). */ | |
151 | at91_add_device_mmc(0, &picotux200_mmc_data); | |
152 | #endif | |
153 | /* NOR Flash */ | |
154 | platform_device_register(&picotux200_flash); | |
155 | } | |
156 | ||
157 | MACHINE_START(PICOTUX2XX, "picotux 200") | |
158 | /* Maintainer: Kleinhenz Elektronik GmbH */ | |
159 | .phys_io = AT91_BASE_SYS, | |
160 | .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc, | |
161 | .boot_params = AT91_SDRAM_BASE + 0x100, | |
162 | .timer = &at91rm9200_timer, | |
163 | .map_io = picotux200_map_io, | |
164 | .init_irq = picotux200_init_irq, | |
165 | .init_machine = picotux200_board_init, | |
166 | MACHINE_END |