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  • only in /netgear-R7000-V1.0.7.12_1.2.5/components/opensource/linux/linux-2.6.36/arch/arm/mach-at91/
1/*
2 * KwikByte CAM60 (KB9260)
3 *
4 * based on board-sam9260ek.c
5 *   Copyright (C) 2005 SAN People
6 *   Copyright (C) 2006 Atmel
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
21 */
22
23#include <linux/types.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/spi/flash.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/gpio.h>
42#include <mach/at91sam9_smc.h>
43
44#include "sam9_smc.h"
45#include "generic.h"
46
47
48static void __init cam60_map_io(void)
49{
50	/* Initialize processor: 10 MHz crystal */
51	at91sam9260_initialize(10000000);
52
53	/* DBGU on ttyS0. (Rx & Tx only) */
54	at91_register_uart(0, 0, 0);
55
56	/* set serial console to ttyS0 (ie, DBGU) */
57	at91_set_serial_console(0);
58}
59
60static void __init cam60_init_irq(void)
61{
62	at91sam9260_init_interrupts(NULL);
63}
64
65
66/*
67 * USB Host
68 */
69static struct at91_usbh_data __initdata cam60_usbh_data = {
70	.ports		= 1,
71};
72
73
74/*
75 * SPI devices.
76 */
77#if defined(CONFIG_MTD_DATAFLASH)
78static struct mtd_partition cam60_spi_partitions[] = {
79	{
80		.name	= "BOOT1",
81		.offset	= 0,
82		.size	= 4 * 1056,
83	},
84	{
85		.name	= "BOOT2",
86		.offset	= MTDPART_OFS_NXTBLK,
87		.size	= 256 * 1056,
88	},
89	{
90		.name	= "kernel",
91		.offset	= MTDPART_OFS_NXTBLK,
92		.size	= 2222 * 1056,
93	},
94	{
95		.name	= "file system",
96		.offset	= MTDPART_OFS_NXTBLK,
97		.size	= MTDPART_SIZ_FULL,
98	},
99};
100
101static struct flash_platform_data cam60_spi_flash_platform_data = {
102	.name		= "spi_flash",
103	.parts		= cam60_spi_partitions,
104	.nr_parts	= ARRAY_SIZE(cam60_spi_partitions)
105};
106#endif
107
108static struct spi_board_info cam60_spi_devices[] __initdata = {
109#if defined(CONFIG_MTD_DATAFLASH)
110	{	/* DataFlash chip */
111		.modalias	= "mtd_dataflash",
112		.chip_select	= 0,
113		.max_speed_hz	= 15 * 1000 * 1000,
114		.bus_num	= 0,
115		.platform_data	= &cam60_spi_flash_platform_data
116	},
117#endif
118};
119
120
121/*
122 * MACB Ethernet device
123 */
124static struct __initdata at91_eth_data cam60_macb_data = {
125	.phy_irq_pin	= AT91_PIN_PB5,
126	.is_rmii	= 0,
127};
128
129
130/*
131 * NAND Flash
132 */
133static struct mtd_partition __initdata cam60_nand_partition[] = {
134	{
135		.name	= "nand_fs",
136		.offset	= 0,
137		.size	= MTDPART_SIZ_FULL,
138	},
139};
140
141static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
142{
143	*num_partitions = ARRAY_SIZE(cam60_nand_partition);
144	return cam60_nand_partition;
145}
146
147static struct atmel_nand_data __initdata cam60_nand_data = {
148	.ale		= 21,
149	.cle		= 22,
150	// .det_pin	= ... not there
151	.rdy_pin	= AT91_PIN_PA9,
152	.enable_pin	= AT91_PIN_PA7,
153	.partition_info	= nand_partitions,
154};
155
156static struct sam9_smc_config __initdata cam60_nand_smc_config = {
157	.ncs_read_setup		= 0,
158	.nrd_setup		= 1,
159	.ncs_write_setup	= 0,
160	.nwe_setup		= 1,
161
162	.ncs_read_pulse		= 3,
163	.nrd_pulse		= 3,
164	.ncs_write_pulse	= 3,
165	.nwe_pulse		= 3,
166
167	.read_cycle		= 5,
168	.write_cycle		= 5,
169
170	.mode			= AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
171	.tdf_cycles		= 2,
172};
173
174static void __init cam60_add_device_nand(void)
175{
176	/* configure chip-select 3 (NAND) */
177	sam9_smc_configure(3, &cam60_nand_smc_config);
178
179	at91_add_device_nand(&cam60_nand_data);
180}
181
182
183static void __init cam60_board_init(void)
184{
185	/* Serial */
186	at91_add_device_serial();
187	/* SPI */
188	at91_add_device_spi(cam60_spi_devices, ARRAY_SIZE(cam60_spi_devices));
189	/* Ethernet */
190	at91_add_device_eth(&cam60_macb_data);
191	/* USB Host */
192	/* enable USB power supply circuit */
193	at91_set_gpio_output(AT91_PIN_PB18, 1);
194	at91_add_device_usbh(&cam60_usbh_data);
195	/* NAND */
196	cam60_add_device_nand();
197}
198
199MACHINE_START(CAM60, "KwikByte CAM60")
200	/* Maintainer: KwikByte */
201	.phys_io	= AT91_BASE_SYS,
202	.io_pg_offst	= (AT91_VA_BASE_SYS >> 18) & 0xfffc,
203	.boot_params	= AT91_SDRAM_BASE + 0x100,
204	.timer		= &at91sam926x_timer,
205	.map_io		= cam60_map_io,
206	.init_irq	= cam60_init_irq,
207	.init_machine	= cam60_board_init,
208MACHINE_END
209