1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
|
/*
* linux/arch/arm/mach-at91/board-snapper9260.c
*
* Copyright (C) 2010 Bluewater System Ltd
*
* Author: Andre Renaud <andre@bluewatersys.com>
* Author: Ryan Mallon
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <linux/init.h>
#include <linux/gpio.h>
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
#include <linux/platform_data/pca953x.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <mach/hardware.h>
#include <mach/at91sam9_smc.h>
#include "at91_aic.h"
#include "board.h"
#include "sam9_smc.h"
#include "generic.h"
#define SNAPPER9260_IO_EXP_GPIO(x) (NR_BUILTIN_GPIO + (x))
static void __init snapper9260_init_early(void)
{
at91_initialize(18432000);
}
static struct at91_usbh_data __initdata snapper9260_usbh_data = {
.ports = 2,
.vbus_pin = {-EINVAL, -EINVAL},
.overcurrent_pin= {-EINVAL, -EINVAL},
};
static struct at91_udc_data __initdata snapper9260_udc_data = {
.vbus_pin = SNAPPER9260_IO_EXP_GPIO(5),
.vbus_active_low = 1,
.vbus_polled = 1,
.pullup_pin = -EINVAL,
};
static struct macb_platform_data snapper9260_macb_data = {
.phy_irq_pin = -EINVAL,
.is_rmii = 1,
};
static struct mtd_partition __initdata snapper9260_nand_partitions[] = {
{
.name = "Preboot",
.offset = 0,
.size = SZ_128K,
},
{
.name = "Bootloader",
.offset = MTDPART_OFS_APPEND,
.size = SZ_256K,
},
{
.name = "Environment",
.offset = MTDPART_OFS_APPEND,
.size = SZ_128K,
},
{
.name = "Kernel",
.offset = MTDPART_OFS_APPEND,
.size = SZ_4M,
},
{
.name = "Filesystem",
.offset = MTDPART_OFS_APPEND,
.size = MTDPART_SIZ_FULL,
},
};
static struct atmel_nand_data __initdata snapper9260_nand_data = {
.ale = 21,
.cle = 22,
.rdy_pin = AT91_PIN_PC13,
.parts = snapper9260_nand_partitions,
.num_parts = ARRAY_SIZE(snapper9260_nand_partitions),
.bus_width_16 = 0,
.enable_pin = -EINVAL,
.det_pin = -EINVAL,
.ecc_mode = NAND_ECC_SOFT,
};
static struct sam9_smc_config __initdata snapper9260_nand_smc_config = {
.ncs_read_setup = 0,
.nrd_setup = 0,
.ncs_write_setup = 0,
.nwe_setup = 0,
.ncs_read_pulse = 5,
.nrd_pulse = 2,
.ncs_write_pulse = 5,
.nwe_pulse = 2,
.read_cycle = 7,
.write_cycle = 7,
.mode = (AT91_SMC_READMODE | AT91_SMC_WRITEMODE |
AT91_SMC_EXNWMODE_DISABLE),
.tdf_cycles = 1,
};
static struct pca953x_platform_data snapper9260_io_expander_data = {
.gpio_base = SNAPPER9260_IO_EXP_GPIO(0),
};
static struct i2c_board_info __initdata snapper9260_i2c_devices[] = {
{
/* IO expander */
I2C_BOARD_INFO("max7312", 0x28),
.platform_data = &snapper9260_io_expander_data,
},
{
/* Audio codec */
I2C_BOARD_INFO("tlv320aic23", 0x1a),
},
};
static struct i2c_board_info __initdata snapper9260_i2c_isl1208 = {
/* RTC */
I2C_BOARD_INFO("isl1208", 0x6f),
};
static void __init snapper9260_add_device_nand(void)
{
at91_set_A_periph(AT91_PIN_PC14, 0);
sam9_smc_configure(0, 3, &snapper9260_nand_smc_config);
at91_add_device_nand(&snapper9260_nand_data);
}
static void __init snapper9260_board_init(void)
{
at91_add_device_i2c(snapper9260_i2c_devices,
ARRAY_SIZE(snapper9260_i2c_devices));
snapper9260_i2c_isl1208.irq = gpio_to_irq(AT91_PIN_PA31);
i2c_register_board_info(0, &snapper9260_i2c_isl1208, 1);
/* Debug on ttyS0 */
at91_register_uart(0, 0, 0);
at91_register_uart(AT91SAM9260_ID_US0, 1,
ATMEL_UART_CTS | ATMEL_UART_RTS);
at91_register_uart(AT91SAM9260_ID_US1, 2,
ATMEL_UART_CTS | ATMEL_UART_RTS);
at91_register_uart(AT91SAM9260_ID_US2, 3, 0);
at91_add_device_serial();
at91_add_device_usbh(&snapper9260_usbh_data);
at91_add_device_udc(&snapper9260_udc_data);
at91_add_device_eth(&snapper9260_macb_data);
at91_add_device_ssc(AT91SAM9260_ID_SSC, (ATMEL_SSC_TF | ATMEL_SSC_TK |
ATMEL_SSC_TD | ATMEL_SSC_RD));
snapper9260_add_device_nand();
}
MACHINE_START(SNAPPER_9260, "Bluewater Systems Snapper 9260/9G20 module")
.init_time = at91sam926x_pit_init,
.map_io = at91_map_io,
.handle_irq = at91_aic_handle_irq,
.init_early = snapper9260_init_early,
.init_irq = at91_init_irq_default,
.init_machine = snapper9260_board_init,
MACHINE_END
|
