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
cam60_init_early(void)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 .vbus_pin = {-EINVAL, -EINVAL},
66 .overcurrent_pin= {-EINVAL, -EINVAL},
67 };
68
69
70 /*
71 * SPI devices.
72 */
73 #if defined(CONFIG_MTD_DATAFLASH)
74 static struct mtd_partition cam60_spi_partitions[] = {
75 {
76 .name = "BOOT1",
77 .offset = 0,
78 .size = 4 * 1056,
79 },
80 {
81 .name = "BOOT2",
82 .offset = MTDPART_OFS_NXTBLK,
83 .size = 256 * 1056,
84 },
85 {
86 .name = "kernel",
87 .offset = MTDPART_OFS_NXTBLK,
88 .size = 2222 * 1056,
89 },
90 {
91 .name = "file system",
92 .offset = MTDPART_OFS_NXTBLK,
93 .size = MTDPART_SIZ_FULL,
94 },
95 };
96
97 static struct flash_platform_data cam60_spi_flash_platform_data = {
98 .name = "spi_flash",
99 .parts = cam60_spi_partitions,
100 .nr_parts = ARRAY_SIZE(cam60_spi_partitions)
101 };
102 #endif
103
104 static struct spi_board_info cam60_spi_devices[] __initdata = {
105 #if defined(CONFIG_MTD_DATAFLASH)
106 { /* DataFlash chip */
107 .modalias = "mtd_dataflash",
108 .chip_select = 0,
109 .max_speed_hz = 15 * 1000 * 1000,
110 .bus_num = 0,
111 .platform_data = &cam60_spi_flash_platform_data
112 },
113 #endif
114 };
115
116
117 /*
118 * MACB Ethernet device
119 */
120 static struct __initdata macb_platform_data cam60_macb_data = {
121 .phy_irq_pin = AT91_PIN_PB5,
122 .is_rmii = 0,
123 };
124
125
126 /*
127 * NAND Flash
128 */
129 static struct mtd_partition __initdata cam60_nand_partition[] = {
130 {
131 .name = "nand_fs",
132 .offset = 0,
133 .size = MTDPART_SIZ_FULL,
134 },
135 };
136
137 static struct atmel_nand_data __initdata cam60_nand_data = {
138 .ale = 21,
139 .cle = 22,
140 .det_pin = -EINVAL,
141 .rdy_pin = AT91_PIN_PA9,
142 .enable_pin = AT91_PIN_PA7,
143 .parts = cam60_nand_partition,
144 .num_parts = ARRAY_SIZE(cam60_nand_partition),
145 };
146
147 static struct sam9_smc_config __initdata cam60_nand_smc_config = {
148 .ncs_read_setup = 0,
149 .nrd_setup = 1,
150 .ncs_write_setup = 0,
151 .nwe_setup = 1,
152
153 .ncs_read_pulse = 3,
154 .nrd_pulse = 3,
155 .ncs_write_pulse = 3,
156 .nwe_pulse = 3,
157
158 .read_cycle = 5,
159 .write_cycle = 5,
160
161 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
162 .tdf_cycles = 2,
163 };
164
cam60_add_device_nand(void)165 static void __init cam60_add_device_nand(void)
166 {
167 /* configure chip-select 3 (NAND) */
168 sam9_smc_configure(0, 3, &cam60_nand_smc_config);
169
170 at91_add_device_nand(&cam60_nand_data);
171 }
172
173
cam60_board_init(void)174 static void __init cam60_board_init(void)
175 {
176 /* Serial */
177 at91_add_device_serial();
178 /* SPI */
179 at91_add_device_spi(cam60_spi_devices, ARRAY_SIZE(cam60_spi_devices));
180 /* Ethernet */
181 at91_add_device_eth(&cam60_macb_data);
182 /* USB Host */
183 /* enable USB power supply circuit */
184 at91_set_gpio_output(AT91_PIN_PB18, 1);
185 at91_add_device_usbh(&cam60_usbh_data);
186 /* NAND */
187 cam60_add_device_nand();
188 }
189
190 MACHINE_START(CAM60, "KwikByte CAM60")
191 /* Maintainer: KwikByte */
192 .timer = &at91sam926x_timer,
193 .map_io = at91_map_io,
194 .init_early = cam60_init_early,
195 .init_irq = at91_init_irq_default,
196 .init_machine = cam60_board_init,
197 MACHINE_END
198