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Andrew Victor49978db2006-01-10 16:59:29 +00001/*
Andrew Victor9d041262007-02-05 11:42:07 +01002 * linux/arch/arm/mach-at91/board-csb637.c
Andrew Victor49978db2006-01-10 16:59:29 +00003 *
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
Andrew Victor49978db2006-01-10 16:59:29 +000021#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>
Andrew Victor127a7ec2007-02-08 10:44:46 +010026#include <linux/mtd/physmap.h>
Andrew Victor49978db2006-01-10 16:59:29 +000027
Andrew Victor49978db2006-01-10 16:59:29 +000028#include <asm/setup.h>
29#include <asm/mach-types.h>
30#include <asm/irq.h>
31
32#include <asm/mach/arch.h>
33#include <asm/mach/map.h>
34#include <asm/mach/irq.h>
35
Andrew Victore5052402008-09-21 21:30:02 +010036#include <mach/hardware.h>
Russell Kinga09e64f2008-08-05 16:14:15 +010037#include <mach/board.h>
38#include <mach/gpio.h>
Andrew Victor49978db2006-01-10 16:59:29 +000039
40#include "generic.h"
41
Andrew Victor49978db2006-01-10 16:59:29 +000042
Andrew Victor49978db2006-01-10 16:59:29 +000043static void __init csb637_map_io(void)
44{
Andrew Victor2eeaaa22006-09-27 10:50:59 +010045 /* Initialize processor: 3.6864 MHz crystal */
Andrew Victorf2173832006-09-27 13:23:00 +010046 at91rm9200_initialize(3686400, AT91RM9200_BGA);
Andrew Victor49978db2006-01-10 16:59:29 +000047
Andrew Victor19750332008-05-24 18:10:26 +010048 /* DBGU on ttyS0. (Rx & Tx only) */
Bill Gatliff952c8552008-04-07 22:05:38 +010049 at91_register_uart(0, 0, 0);
50
Andrew Victor19750332008-05-24 18:10:26 +010051 /* make console=ttyS0 (ie, DBGU) the default */
Bill Gatliff952c8552008-04-07 22:05:38 +010052 at91_set_serial_console(0);
Andrew Victor49978db2006-01-10 16:59:29 +000053}
54
Andrew Victorf2173832006-09-27 13:23:00 +010055static void __init csb637_init_irq(void)
56{
57 at91rm9200_init_interrupts(NULL);
58}
59
Andrew Victor49978db2006-01-10 16:59:29 +000060static struct at91_eth_data __initdata csb637_eth_data = {
61 .phy_irq_pin = AT91_PIN_PC0,
62 .is_rmii = 0,
63};
64
65static struct at91_usbh_data __initdata csb637_usbh_data = {
66 .ports = 2,
67};
68
69static struct at91_udc_data __initdata csb637_udc_data = {
70 .vbus_pin = AT91_PIN_PB28,
71 .pullup_pin = AT91_PIN_PB1,
72};
73
Andrew Victor127a7ec2007-02-08 10:44:46 +010074#define CSB_FLASH_BASE AT91_CHIPSELECT_0
Andrew Victore5052402008-09-21 21:30:02 +010075#define CSB_FLASH_SIZE SZ_16M
Andrew Victor127a7ec2007-02-08 10:44:46 +010076
77static struct mtd_partition csb_flash_partitions[] = {
78 {
79 .name = "uMON flash",
80 .offset = 0,
81 .size = MTDPART_SIZ_FULL,
82 .mask_flags = MTD_WRITEABLE, /* read only */
83 }
84};
85
86static struct physmap_flash_data csb_flash_data = {
87 .width = 2,
88 .parts = csb_flash_partitions,
89 .nr_parts = ARRAY_SIZE(csb_flash_partitions),
90};
91
92static struct resource csb_flash_resources[] = {
93 {
94 .start = CSB_FLASH_BASE,
95 .end = CSB_FLASH_BASE + CSB_FLASH_SIZE - 1,
96 .flags = IORESOURCE_MEM,
97 }
98};
99
100static struct platform_device csb_flash = {
101 .name = "physmap-flash",
102 .id = 0,
103 .dev = {
104 .platform_data = &csb_flash_data,
105 },
106 .resource = csb_flash_resources,
107 .num_resources = ARRAY_SIZE(csb_flash_resources),
108};
109
Bill Gatliffca154472008-04-08 02:57:03 +0100110static struct gpio_led csb_leds[] = {
111 { /* "d1", red */
112 .name = "d1",
113 .gpio = AT91_PIN_PB2,
114 .active_low = 1,
115 .default_trigger = "heartbeat",
116 },
117};
118
Andrew Victor49978db2006-01-10 16:59:29 +0000119static void __init csb637_board_init(void)
120{
Bill Gatliffca154472008-04-08 02:57:03 +0100121 /* LED(s) */
122 at91_gpio_leds(csb_leds, ARRAY_SIZE(csb_leds));
Andrew Victor466e6222006-06-19 17:26:23 +0100123 /* Serial */
124 at91_add_device_serial();
Andrew Victor49978db2006-01-10 16:59:29 +0000125 /* Ethernet */
126 at91_add_device_eth(&csb637_eth_data);
127 /* USB Host */
128 at91_add_device_usbh(&csb637_usbh_data);
129 /* USB Device */
130 at91_add_device_udc(&csb637_udc_data);
Andrew Victor466e6222006-06-19 17:26:23 +0100131 /* I2C */
Andrew Victorf230d3f2007-11-19 13:47:20 +0100132 at91_add_device_i2c(NULL, 0);
Andrew Victor466e6222006-06-19 17:26:23 +0100133 /* SPI */
134 at91_add_device_spi(NULL, 0);
Andrew Victor127a7ec2007-02-08 10:44:46 +0100135 /* NOR flash */
136 platform_device_register(&csb_flash);
Andrew Victor49978db2006-01-10 16:59:29 +0000137}
138
139MACHINE_START(CSB637, "Cogent CSB637")
140 /* Maintainer: Bill Gatliff */
Andrew Victor49978db2006-01-10 16:59:29 +0000141 .phys_io = AT91_BASE_SYS,
142 .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
143 .boot_params = AT91_SDRAM_BASE + 0x100,
144 .timer = &at91rm9200_timer,
145 .map_io = csb637_map_io,
146 .init_irq = csb637_init_irq,
147 .init_machine = csb637_board_init,
148MACHINE_END