Merge branch 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
[linux-2.6.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/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
48 static 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
60 static void __init cam60_init_irq(void)
61 {
62         at91sam9260_init_interrupts(NULL);
63 }
64
65
66 /*
67  * USB Host
68  */
69 static 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)
78 static struct mtd_partition __initdata 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
101 static struct flash_platform_data __initdata 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
108 static struct spi_board_info cam60_spi_devices[] = {
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  */
124 static 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  */
133 static struct mtd_partition __initdata cam60_nand_partition[] = {
134         {
135                 .name   = "nand_fs",
136                 .offset = 0,
137                 .size   = MTDPART_SIZ_FULL,
138         },
139 };
140
141 static 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
147 static 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
156 static 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
174 static 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
183 static 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
199 MACHINE_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,
208 MACHINE_END