Merge master.kernel.org:/pub/scm/linux/kernel/git/herbert/crypto-2.6
[linux-2.6] / arch / mips / vr41xx / common / giu.c
1 /*
2  *  NEC VR4100 series GIU platform device.
3  *
4  *  Copyright (C) 2007  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
5  *
6  *  This program is free software; you can redistribute it and/or modify
7  *  it under the terms of the GNU General Public License as published by
8  *  the Free Software Foundation; either version 2 of the License, or
9  *  (at your option) any later version.
10  *
11  *  This program is distributed in the hope that it will be useful,
12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *  GNU General Public License for more details.
15  *
16  *  You should have received a copy of the GNU General Public License
17  *  along with this program; if not, write to the Free Software
18  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
19  */
20 #include <linux/errno.h>
21 #include <linux/init.h>
22 #include <linux/ioport.h>
23 #include <linux/platform_device.h>
24
25 #include <asm/cpu.h>
26 #include <asm/vr41xx/giu.h>
27 #include <asm/vr41xx/irq.h>
28
29 static struct resource giu_50pins_pullupdown_resource[] __initdata = {
30         {
31                 .start  = 0x0b000100,
32                 .end    = 0x0b00011f,
33                 .flags  = IORESOURCE_MEM,
34         },
35         {
36                 .start  = 0x0b0002e0,
37                 .end    = 0x0b0002e3,
38                 .flags  = IORESOURCE_MEM,
39         },
40         {
41                 .start  = GIUINT_IRQ,
42                 .end    = GIUINT_IRQ,
43                 .flags  = IORESOURCE_IRQ,
44         },
45 };
46
47 static struct resource giu_36pins_resource[] __initdata = {
48         {
49                 .start  = 0x0f000140,
50                 .end    = 0x0f00015f,
51                 .flags  = IORESOURCE_MEM,
52         },
53         {
54                 .start  = GIUINT_IRQ,
55                 .end    = GIUINT_IRQ,
56                 .flags  = IORESOURCE_IRQ,
57         },
58 };
59
60 static struct resource giu_48pins_resource[] __initdata = {
61         {
62                 .start  = 0x0f000140,
63                 .end    = 0x0f000167,
64                 .flags  = IORESOURCE_MEM,
65         },
66         {
67                 .start  = GIUINT_IRQ,
68                 .end    = GIUINT_IRQ,
69                 .flags  = IORESOURCE_IRQ,
70         },
71 };
72
73 static int __init vr41xx_giu_add(void)
74 {
75         struct platform_device *pdev;
76         struct resource *res;
77         unsigned int num;
78         int retval;
79
80         pdev = platform_device_alloc("GIU", -1);
81         if (!pdev)
82                 return -ENOMEM;
83
84         switch (current_cpu_data.cputype) {
85         case CPU_VR4111:
86         case CPU_VR4121:
87                 pdev->id = GPIO_50PINS_PULLUPDOWN;
88                 res = giu_50pins_pullupdown_resource;
89                 num = ARRAY_SIZE(giu_50pins_pullupdown_resource);
90                 break;
91         case CPU_VR4122:
92         case CPU_VR4131:
93                 pdev->id = GPIO_36PINS;
94                 res = giu_36pins_resource;
95                 num = ARRAY_SIZE(giu_36pins_resource);
96                 break;
97         case CPU_VR4133:
98                 pdev->id = GPIO_48PINS_EDGE_SELECT;
99                 res = giu_48pins_resource;
100                 num = ARRAY_SIZE(giu_48pins_resource);
101                 break;
102         default:
103                 retval = -ENODEV;
104                 goto err_free_device;
105         }
106
107         retval = platform_device_add_resources(pdev, res, num);
108         if (retval)
109                 goto err_free_device;
110
111         retval = platform_device_add(pdev);
112         if (retval)
113                 goto err_free_device;
114
115         return 0;
116
117 err_free_device:
118         platform_device_put(pdev);
119
120         return retval;
121 }
122 device_initcall(vr41xx_giu_add);