ARM: wire up process_vm_writev and process_vm_readv syscalls
[pandora-kernel.git] / arch / arm / mach-at91 / board-cam60.c
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/gpio.h>
25 #include <linux/init.h>
26 #include <linux/mm.h>
27 #include <linux/module.h>
28 #include <linux/platform_device.h>
29 #include <linux/spi/spi.h>
30 #include <linux/spi/flash.h>
31
32 #include <mach/hardware.h>
33 #include <asm/setup.h>
34 #include <asm/mach-types.h>
35 #include <asm/irq.h>
36
37 #include <asm/mach/arch.h>
38 #include <asm/mach/map.h>
39 #include <asm/mach/irq.h>
40
41 #include <mach/board.h>
42 #include <mach/at91sam9_smc.h>
43
44 #include "sam9_smc.h"
45 #include "generic.h"
46
47
48 static void __init cam60_init_early(void)
49 {
50         /* Initialize processor: 10 MHz crystal */
51         at91_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
60 /*
61  * USB Host
62  */
63 static struct at91_usbh_data __initdata cam60_usbh_data = {
64         .ports          = 1,
65 };
66
67
68 /*
69  * SPI devices.
70  */
71 #if defined(CONFIG_MTD_DATAFLASH)
72 static struct mtd_partition cam60_spi_partitions[] = {
73         {
74                 .name   = "BOOT1",
75                 .offset = 0,
76                 .size   = 4 * 1056,
77         },
78         {
79                 .name   = "BOOT2",
80                 .offset = MTDPART_OFS_NXTBLK,
81                 .size   = 256 * 1056,
82         },
83         {
84                 .name   = "kernel",
85                 .offset = MTDPART_OFS_NXTBLK,
86                 .size   = 2222 * 1056,
87         },
88         {
89                 .name   = "file system",
90                 .offset = MTDPART_OFS_NXTBLK,
91                 .size   = MTDPART_SIZ_FULL,
92         },
93 };
94
95 static struct flash_platform_data cam60_spi_flash_platform_data = {
96         .name           = "spi_flash",
97         .parts          = cam60_spi_partitions,
98         .nr_parts       = ARRAY_SIZE(cam60_spi_partitions)
99 };
100 #endif
101
102 static struct spi_board_info cam60_spi_devices[] __initdata = {
103 #if defined(CONFIG_MTD_DATAFLASH)
104         {       /* DataFlash chip */
105                 .modalias       = "mtd_dataflash",
106                 .chip_select    = 0,
107                 .max_speed_hz   = 15 * 1000 * 1000,
108                 .bus_num        = 0,
109                 .platform_data  = &cam60_spi_flash_platform_data
110         },
111 #endif
112 };
113
114
115 /*
116  * MACB Ethernet device
117  */
118 static struct __initdata at91_eth_data cam60_macb_data = {
119         .phy_irq_pin    = AT91_PIN_PB5,
120         .is_rmii        = 0,
121 };
122
123
124 /*
125  * NAND Flash
126  */
127 static struct mtd_partition __initdata cam60_nand_partition[] = {
128         {
129                 .name   = "nand_fs",
130                 .offset = 0,
131                 .size   = MTDPART_SIZ_FULL,
132         },
133 };
134
135 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
136 {
137         *num_partitions = ARRAY_SIZE(cam60_nand_partition);
138         return cam60_nand_partition;
139 }
140
141 static struct atmel_nand_data __initdata cam60_nand_data = {
142         .ale            = 21,
143         .cle            = 22,
144         // .det_pin     = ... not there
145         .rdy_pin        = AT91_PIN_PA9,
146         .enable_pin     = AT91_PIN_PA7,
147         .partition_info = nand_partitions,
148 };
149
150 static struct sam9_smc_config __initdata cam60_nand_smc_config = {
151         .ncs_read_setup         = 0,
152         .nrd_setup              = 1,
153         .ncs_write_setup        = 0,
154         .nwe_setup              = 1,
155
156         .ncs_read_pulse         = 3,
157         .nrd_pulse              = 3,
158         .ncs_write_pulse        = 3,
159         .nwe_pulse              = 3,
160
161         .read_cycle             = 5,
162         .write_cycle            = 5,
163
164         .mode                   = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
165         .tdf_cycles             = 2,
166 };
167
168 static void __init cam60_add_device_nand(void)
169 {
170         /* configure chip-select 3 (NAND) */
171         sam9_smc_configure(3, &cam60_nand_smc_config);
172
173         at91_add_device_nand(&cam60_nand_data);
174 }
175
176
177 static void __init cam60_board_init(void)
178 {
179         /* Serial */
180         at91_add_device_serial();
181         /* SPI */
182         at91_add_device_spi(cam60_spi_devices, ARRAY_SIZE(cam60_spi_devices));
183         /* Ethernet */
184         at91_add_device_eth(&cam60_macb_data);
185         /* USB Host */
186         /* enable USB power supply circuit */
187         at91_set_gpio_output(AT91_PIN_PB18, 1);
188         at91_add_device_usbh(&cam60_usbh_data);
189         /* NAND */
190         cam60_add_device_nand();
191 }
192
193 MACHINE_START(CAM60, "KwikByte CAM60")
194         /* Maintainer: KwikByte */
195         .timer          = &at91sam926x_timer,
196         .map_io         = at91_map_io,
197         .init_early     = cam60_init_early,
198         .init_irq       = at91_init_irq_default,
199         .init_machine   = cam60_board_init,
200 MACHINE_END