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
|
/*
* NEC VR4100 series SIU platform device.
*
* Copyright (C) 2007-2008 Yoichi Yuasa <yuasa@linux-mips.org>
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/ioport.h>
#include <linux/platform_device.h>
#include <linux/serial_core.h>
#include <linux/irq.h>
#include <asm/cpu.h>
#include <asm/vr41xx/siu.h>
static unsigned int siu_type1_ports[SIU_PORTS_MAX] __initdata = {
PORT_VR41XX_SIU,
PORT_UNKNOWN,
};
static struct resource siu_type1_resource[] __initdata = {
{
.start = 0x0c000000,
.end = 0x0c00000a,
.flags = IORESOURCE_MEM,
},
{
.start = SIU_IRQ,
.end = SIU_IRQ,
.flags = IORESOURCE_IRQ,
},
};
static unsigned int siu_type2_ports[SIU_PORTS_MAX] __initdata = {
PORT_VR41XX_SIU,
PORT_VR41XX_DSIU,
};
static struct resource siu_type2_resource[] __initdata = {
{
.start = 0x0f000800,
.end = 0x0f00080a,
.flags = IORESOURCE_MEM,
},
{
.start = 0x0f000820,
.end = 0x0f000829,
.flags = IORESOURCE_MEM,
},
{
.start = SIU_IRQ,
.end = SIU_IRQ,
.flags = IORESOURCE_IRQ,
},
{
.start = DSIU_IRQ,
.end = DSIU_IRQ,
.flags = IORESOURCE_IRQ,
},
};
static int __init vr41xx_siu_add(void)
{
struct platform_device *pdev;
struct resource *res;
unsigned int num;
int retval;
pdev = platform_device_alloc("SIU", -1);
if (!pdev)
return -ENOMEM;
switch (current_cpu_type()) {
case CPU_VR4111:
case CPU_VR4121:
pdev->dev.platform_data = siu_type1_ports;
res = siu_type1_resource;
num = ARRAY_SIZE(siu_type1_resource);
break;
case CPU_VR4122:
case CPU_VR4131:
case CPU_VR4133:
pdev->dev.platform_data = siu_type2_ports;
res = siu_type2_resource;
num = ARRAY_SIZE(siu_type2_resource);
break;
default:
retval = -ENODEV;
goto err_free_device;
}
retval = platform_device_add_resources(pdev, res, num);
if (retval)
goto err_free_device;
retval = platform_device_add(pdev);
if (retval)
goto err_free_device;
return 0;
err_free_device:
platform_device_put(pdev);
return retval;
}
device_initcall(vr41xx_siu_add);
void __init vr41xx_siu_setup(void)
{
struct uart_port port;
struct resource *res;
unsigned int *type;
int i;
switch (current_cpu_type()) {
case CPU_VR4111:
case CPU_VR4121:
type = siu_type1_ports;
res = siu_type1_resource;
break;
case CPU_VR4122:
case CPU_VR4131:
case CPU_VR4133:
type = siu_type2_ports;
res = siu_type2_resource;
break;
default:
return;
}
for (i = 0; i < SIU_PORTS_MAX; i++) {
port.line = i;
port.type = type[i];
if (port.type == PORT_UNKNOWN)
break;
port.mapbase = res[i].start;
port.membase = (unsigned char __iomem *)KSEG1ADDR(res[i].start);
vr41xx_siu_early_setup(&port);
}
}
|
