1/*
2 * linux/arch/arm/mach-at91/board-csb337.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/mm.h>
24#include <linux/module.h>
25#include <linux/platform_device.h>
26#include <linux/spi/spi.h>
27#include <linux/mtd/physmap.h>
28
29#include <asm/hardware.h>
30#include <asm/setup.h>
31#include <asm/mach-types.h>
32#include <asm/irq.h>
33
34#include <asm/mach/arch.h>
35#include <asm/mach/map.h>
36#include <asm/mach/irq.h>
37
38#include <asm/arch/board.h>
39#include <asm/arch/gpio.h>
40
41#include "generic.h"
42
43
44/*
45 * Serial port configuration.
46 *    0 .. 3 = USART0 .. USART3
47 *    4      = DBGU
48 */
49static struct at91_uart_config __initdata csb337_uart_config = {
50	.console_tty	= 0,				/* ttyS0 */
51	.nr_tty		= 2,
52	.tty_map	= { 4, 1, -1, -1, -1 }		/* ttyS0, ..., ttyS4 */
53};
54
55static void __init csb337_map_io(void)
56{
57	/* Initialize processor: 3.6864 MHz crystal */
58	at91rm9200_initialize(3686400, AT91RM9200_BGA);
59
60	/* Setup the LEDs */
61	at91_init_leds(AT91_PIN_PB0, AT91_PIN_PB1);
62
63	/* Setup the serial ports and console */
64	at91_init_serial(&csb337_uart_config);
65}
66
67static void __init csb337_init_irq(void)
68{
69	at91rm9200_init_interrupts(NULL);
70}
71
72static struct at91_eth_data __initdata csb337_eth_data = {
73	.phy_irq_pin	= AT91_PIN_PC2,
74	.is_rmii	= 0,
75};
76
77static struct at91_usbh_data __initdata csb337_usbh_data = {
78	.ports		= 2,
79};
80
81static struct at91_udc_data __initdata csb337_udc_data = {
82	// this has no VBUS sensing pin
83	.pullup_pin	= AT91_PIN_PA24,
84};
85
86static struct at91_cf_data __initdata csb337_cf_data = {
87	/*
88	 * connector P4 on the CSB 337 mates to
89	 * connector P8 on the CSB 300CF
90	 */
91
92	/* CSB337 specific */
93	.det_pin	= AT91_PIN_PC3,
94
95	/* CSB300CF specific */
96	.irq_pin	= AT91_PIN_PA19,
97	.vcc_pin	= AT91_PIN_PD0,
98	.rst_pin	= AT91_PIN_PD2,
99};
100
101static struct at91_mmc_data __initdata csb337_mmc_data = {
102	.det_pin	= AT91_PIN_PD5,
103	.slot_b		= 0,
104	.wire4		= 1,
105	.wp_pin		= AT91_PIN_PD6,
106};
107
108static struct spi_board_info csb337_spi_devices[] = {
109	{	/* CAN controller */
110		.modalias	= "sak82c900",
111		.chip_select	= 0,
112		.max_speed_hz	= 6 * 1000 * 1000,
113	},
114};
115
116#define CSB_FLASH_BASE	AT91_CHIPSELECT_0
117#define CSB_FLASH_SIZE	0x800000
118
119static struct mtd_partition csb_flash_partitions[] = {
120	{
121		.name		= "uMON flash",
122		.offset		= 0,
123		.size		= MTDPART_SIZ_FULL,
124		.mask_flags	= MTD_WRITEABLE,	/* read only */
125	}
126};
127
128static struct physmap_flash_data csb_flash_data = {
129	.width		= 2,
130	.parts		= csb_flash_partitions,
131	.nr_parts	= ARRAY_SIZE(csb_flash_partitions),
132};
133
134static struct resource csb_flash_resources[] = {
135	{
136		.start	= CSB_FLASH_BASE,
137		.end	= CSB_FLASH_BASE + CSB_FLASH_SIZE - 1,
138		.flags	= IORESOURCE_MEM,
139	}
140};
141
142static struct platform_device csb_flash = {
143	.name		= "physmap-flash",
144	.id		= 0,
145	.dev		= {
146				.platform_data = &csb_flash_data,
147			},
148	.resource	= csb_flash_resources,
149	.num_resources	= ARRAY_SIZE(csb_flash_resources),
150};
151
152static void __init csb337_board_init(void)
153{
154	/* Serial */
155	at91_add_device_serial();
156	/* Ethernet */
157	at91_add_device_eth(&csb337_eth_data);
158	/* USB Host */
159	at91_add_device_usbh(&csb337_usbh_data);
160	/* USB Device */
161	at91_add_device_udc(&csb337_udc_data);
162	/* I2C */
163	at91_add_device_i2c();
164	/* Compact Flash */
165	at91_set_gpio_input(AT91_PIN_PB22, 1);		/* IOIS16 */
166	at91_add_device_cf(&csb337_cf_data);
167	/* SPI */
168	at91_add_device_spi(csb337_spi_devices, ARRAY_SIZE(csb337_spi_devices));
169	/* MMC */
170	at91_add_device_mmc(0, &csb337_mmc_data);
171	/* NOR flash */
172	platform_device_register(&csb_flash);
173}
174
175MACHINE_START(CSB337, "Cogent CSB337")
176	/* Maintainer: Bill Gatliff */
177	.phys_io	= AT91_BASE_SYS,
178	.io_pg_offst	= (AT91_VA_BASE_SYS >> 18) & 0xfffc,
179	.boot_params	= AT91_SDRAM_BASE + 0x100,
180	.timer		= &at91rm9200_timer,
181	.map_io		= csb337_map_io,
182	.init_irq	= csb337_init_irq,
183	.init_machine	= csb337_board_init,
184MACHINE_END
185