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/gpio.h>
24 #include <linux/init.h>
25 #include <linux/mm.h>
26 #include <linux/module.h>
27 #include <linux/platform_device.h>
28 #include <linux/spi/spi.h>
29 #include <linux/mtd/physmap.h>
30
31 #include <mach/hardware.h>
32 #include <asm/setup.h>
33 #include <asm/mach-types.h>
34 #include <asm/irq.h>
35
36 #include <asm/mach/arch.h>
37 #include <asm/mach/map.h>
38 #include <asm/mach/irq.h>
39
40 #include <mach/board.h>
41 #include <mach/at91rm9200_mc.h>
42
43 #include "generic.h"
44
45
picotux200_init_early(void)46 static void __init picotux200_init_early(void)
47 {
48 /* Initialize processor: 18.432 MHz crystal */
49 at91_initialize(18432000);
50
51 /* DBGU on ttyS0. (Rx & Tx only) */
52 at91_register_uart(0, 0, 0);
53
54 /* USART1 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
55 at91_register_uart(AT91RM9200_ID_US1, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
56 | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
57 | ATMEL_UART_RI);
58
59 /* set serial console to ttyS0 (ie, DBGU) */
60 at91_set_serial_console(0);
61 }
62
63 static struct macb_platform_data __initdata picotux200_eth_data = {
64 .phy_irq_pin = AT91_PIN_PC4,
65 .is_rmii = 1,
66 };
67
68 static struct at91_usbh_data __initdata picotux200_usbh_data = {
69 .ports = 1,
70 .vbus_pin = {-EINVAL, -EINVAL},
71 .overcurrent_pin= {-EINVAL, -EINVAL},
72 };
73
74 static struct at91_mmc_data __initdata picotux200_mmc_data = {
75 .det_pin = AT91_PIN_PB27,
76 .slot_b = 0,
77 .wire4 = 1,
78 .wp_pin = AT91_PIN_PA17,
79 .vcc_pin = -EINVAL,
80 };
81
82 #define PICOTUX200_FLASH_BASE AT91_CHIPSELECT_0
83 #define PICOTUX200_FLASH_SIZE SZ_4M
84
85 static struct physmap_flash_data picotux200_flash_data = {
86 .width = 2,
87 };
88
89 static struct resource picotux200_flash_resource = {
90 .start = PICOTUX200_FLASH_BASE,
91 .end = PICOTUX200_FLASH_BASE + PICOTUX200_FLASH_SIZE - 1,
92 .flags = IORESOURCE_MEM,
93 };
94
95 static struct platform_device picotux200_flash = {
96 .name = "physmap-flash",
97 .id = 0,
98 .dev = {
99 .platform_data = &picotux200_flash_data,
100 },
101 .resource = &picotux200_flash_resource,
102 .num_resources = 1,
103 };
104
picotux200_board_init(void)105 static void __init picotux200_board_init(void)
106 {
107 /* Serial */
108 at91_add_device_serial();
109 /* Ethernet */
110 at91_add_device_eth(&picotux200_eth_data);
111 /* USB Host */
112 at91_add_device_usbh(&picotux200_usbh_data);
113 /* I2C */
114 at91_add_device_i2c(NULL, 0);
115 /* MMC */
116 at91_set_gpio_output(AT91_PIN_PB22, 1); /* this MMC card slot can optionally use SPI signaling (CS3). */
117 at91_add_device_mmc(0, &picotux200_mmc_data);
118 /* NOR Flash */
119 platform_device_register(&picotux200_flash);
120 }
121
122 MACHINE_START(PICOTUX2XX, "picotux 200")
123 /* Maintainer: Kleinhenz Elektronik GmbH */
124 .timer = &at91rm9200_timer,
125 .map_io = at91_map_io,
126 .init_early = picotux200_init_early,
127 .init_irq = at91_init_irq_default,
128 .init_machine = picotux200_board_init,
129 MACHINE_END
130