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
|
/*
* Copyright (C) 2000 Deep Blue Solutions Ltd
* Copyright (C) 2002 Shane Nay (shane@minirl.com)
* Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved.
*
* 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/types.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/memory.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <linux/smsc911x.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <asm/mach/map.h>
#include <mach/common.h>
#include <asm/page.h>
#include <asm/setup.h>
#include <mach/board-mx31lite.h>
#include <mach/imx-uart.h>
#include <mach/iomux-mx3.h>
#include <mach/irqs.h>
#include "devices.h"
/*
* This file contains the board-specific initialization routines.
*/
static unsigned int mx31lite_pins[] = {
/* UART1 */
MX31_PIN_CTS1__CTS1,
MX31_PIN_RTS1__RTS1,
MX31_PIN_TXD1__TXD1,
MX31_PIN_RXD1__RXD1,
/* LAN9117 IRQ pin */
IOMUX_MODE(MX31_PIN_SFS6, IOMUX_CONFIG_GPIO),
};
static struct imxuart_platform_data uart_pdata = {
.flags = IMXUART_HAVE_RTSCTS,
};
static struct smsc911x_platform_config smsc911x_config = {
.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
.irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
.flags = SMSC911X_USE_16BIT,
};
static struct resource smsc911x_resources[] = {
[0] = {
.start = CS4_BASE_ADDR,
.end = CS4_BASE_ADDR + 0x100,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IOMUX_TO_IRQ(MX31_PIN_SFS6),
.end = IOMUX_TO_IRQ(MX31_PIN_SFS6),
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device smsc911x_device = {
.name = "smsc911x",
.id = -1,
.num_resources = ARRAY_SIZE(smsc911x_resources),
.resource = smsc911x_resources,
.dev = {
.platform_data = &smsc911x_config,
},
};
/*
* This structure defines the MX31 memory map.
*/
static struct map_desc mx31lite_io_desc[] __initdata = {
{
.virtual = SPBA0_BASE_ADDR_VIRT,
.pfn = __phys_to_pfn(SPBA0_BASE_ADDR),
.length = SPBA0_SIZE,
.type = MT_DEVICE_NONSHARED
}, {
.virtual = CS4_BASE_ADDR_VIRT,
.pfn = __phys_to_pfn(CS4_BASE_ADDR),
.length = CS4_SIZE,
.type = MT_DEVICE
}
};
/*
* Set up static virtual mappings.
*/
void __init mx31lite_map_io(void)
{
mx31_map_io();
iotable_init(mx31lite_io_desc, ARRAY_SIZE(mx31lite_io_desc));
}
/*
* Board specific initialization.
*/
static void __init mxc_board_init(void)
{
mxc_iomux_setup_multiple_pins(mx31lite_pins, ARRAY_SIZE(mx31lite_pins),
"mx31lite");
mxc_register_device(&mxc_uart_device0, &uart_pdata);
/* SMSC9117 IRQ pin */
gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_SFS6));
platform_device_register(&smsc911x_device);
}
static void __init mx31lite_timer_init(void)
{
mx31_clocks_init(26000000);
}
struct sys_timer mx31lite_timer = {
.init = mx31lite_timer_init,
};
/*
* The following uses standard kernel macros defined in arch.h in order to
* initialize __mach_desc_MX31LITE data structure.
*/
MACHINE_START(MX31LITE, "LogicPD MX31 LITEKIT")
/* Maintainer: Freescale Semiconductor, Inc. */
.phys_io = AIPS1_BASE_ADDR,
.io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
.boot_params = PHYS_OFFSET + 0x100,
.map_io = mx31lite_map_io,
.init_irq = mxc_init_irq,
.init_machine = mxc_board_init,
.timer = &mx31lite_timer,
MACHINE_END
|
