1 /*
2 * linux/arch/arm/mach-at91/board-csb637.c
3 *
4 * Copyright (C) 2005 SAN People
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/gpio.h>
24 #include <linux/mm.h>
25 #include <linux/module.h>
26 #include <linux/platform_device.h>
27 #include <linux/mtd/physmap.h>
28
29 #include <asm/setup.h>
30 #include <asm/mach-types.h>
31 #include <asm/irq.h>
32
33 #include <asm/mach/arch.h>
34 #include <asm/mach/map.h>
35 #include <asm/mach/irq.h>
36
37 #include <mach/hardware.h>
38 #include <mach/board.h>
39
40 #include "generic.h"
41
42
csb637_init_early(void)43 static void __init csb637_init_early(void)
44 {
45 /* Initialize processor: 3.6864 MHz crystal */
46 at91_initialize(3686400);
47
48 /* DBGU on ttyS0. (Rx & Tx only) */
49 at91_register_uart(0, 0, 0);
50
51 /* make console=ttyS0 (ie, DBGU) the default */
52 at91_set_serial_console(0);
53 }
54
55 static struct macb_platform_data __initdata csb637_eth_data = {
56 .phy_irq_pin = AT91_PIN_PC0,
57 .is_rmii = 0,
58 };
59
60 static struct at91_usbh_data __initdata csb637_usbh_data = {
61 .ports = 2,
62 .vbus_pin = {-EINVAL, -EINVAL},
63 .overcurrent_pin= {-EINVAL, -EINVAL},
64 };
65
66 static struct at91_udc_data __initdata csb637_udc_data = {
67 .vbus_pin = AT91_PIN_PB28,
68 .pullup_pin = AT91_PIN_PB1,
69 };
70
71 #define CSB_FLASH_BASE AT91_CHIPSELECT_0
72 #define CSB_FLASH_SIZE SZ_16M
73
74 static struct mtd_partition csb_flash_partitions[] = {
75 {
76 .name = "uMON flash",
77 .offset = 0,
78 .size = MTDPART_SIZ_FULL,
79 .mask_flags = MTD_WRITEABLE, /* read only */
80 }
81 };
82
83 static struct physmap_flash_data csb_flash_data = {
84 .width = 2,
85 .parts = csb_flash_partitions,
86 .nr_parts = ARRAY_SIZE(csb_flash_partitions),
87 };
88
89 static struct resource csb_flash_resources[] = {
90 {
91 .start = CSB_FLASH_BASE,
92 .end = CSB_FLASH_BASE + CSB_FLASH_SIZE - 1,
93 .flags = IORESOURCE_MEM,
94 }
95 };
96
97 static struct platform_device csb_flash = {
98 .name = "physmap-flash",
99 .id = 0,
100 .dev = {
101 .platform_data = &csb_flash_data,
102 },
103 .resource = csb_flash_resources,
104 .num_resources = ARRAY_SIZE(csb_flash_resources),
105 };
106
107 static struct gpio_led csb_leds[] = {
108 { /* "d1", red */
109 .name = "d1",
110 .gpio = AT91_PIN_PB2,
111 .active_low = 1,
112 .default_trigger = "heartbeat",
113 },
114 };
115
csb637_board_init(void)116 static void __init csb637_board_init(void)
117 {
118 /* LED(s) */
119 at91_gpio_leds(csb_leds, ARRAY_SIZE(csb_leds));
120 /* Serial */
121 at91_add_device_serial();
122 /* Ethernet */
123 at91_add_device_eth(&csb637_eth_data);
124 /* USB Host */
125 at91_add_device_usbh(&csb637_usbh_data);
126 /* USB Device */
127 at91_add_device_udc(&csb637_udc_data);
128 /* I2C */
129 at91_add_device_i2c(NULL, 0);
130 /* SPI */
131 at91_add_device_spi(NULL, 0);
132 /* NOR flash */
133 platform_device_register(&csb_flash);
134 }
135
136 MACHINE_START(CSB637, "Cogent CSB637")
137 /* Maintainer: Bill Gatliff */
138 .timer = &at91rm9200_timer,
139 .map_io = at91_map_io,
140 .init_early = csb637_init_early,
141 .init_irq = at91_init_irq_default,
142 .init_machine = csb637_board_init,
143 MACHINE_END
144