include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit...
[linux-3.10.git] / arch / microblaze / kernel / cpu / cpuinfo.c
1 /*
2  * Copyright (C) 2007-2009 Michal Simek <monstr@monstr.eu>
3  * Copyright (C) 2007-2009 PetaLogix
4  * Copyright (C) 2007 John Williams <john.williams@petalogix.com>
5  *
6  * This file is subject to the terms and conditions of the GNU General Public
7  * License. See the file "COPYING" in the main directory of this archive
8  * for more details.
9  */
10
11 #include <linux/init.h>
12 #include <asm/cpuinfo.h>
13 #include <asm/pvr.h>
14
15 const struct cpu_ver_key cpu_ver_lookup[] = {
16         /* These key value are as per MBV field in PVR0 */
17         {"5.00.a", 0x01},
18         {"5.00.b", 0x02},
19         {"5.00.c", 0x03},
20         {"6.00.a", 0x04},
21         {"6.00.b", 0x06},
22         {"7.00.a", 0x05},
23         {"7.00.b", 0x07},
24         {"7.10.a", 0x08},
25         {"7.10.b", 0x09},
26         {"7.10.c", 0x0a},
27         {"7.10.d", 0x0b},
28         {"7.20.a", 0x0c},
29         {"7.20.b", 0x0d},
30         {"7.20.c", 0x0e},
31         {"7.20.d", 0x0f},
32         {"7.30.a", 0x10},
33         {NULL, 0},
34 };
35
36 /*
37  * FIXME Not sure if the actual key is defined by Xilinx in the PVR
38  */
39 const struct family_string_key family_string_lookup[] = {
40         {"virtex2", 0x4},
41         {"virtex2pro", 0x5},
42         {"spartan3", 0x6},
43         {"virtex4", 0x7},
44         {"virtex5", 0x8},
45         {"spartan3e", 0x9},
46         {"spartan3a", 0xa},
47         {"spartan3an", 0xb},
48         {"spartan3adsp", 0xc},
49         {"spartan6", 0xd},
50         {"virtex6", 0xe},
51         /* FIXME There is no key code defined for spartan2 */
52         {"spartan2", 0xf0},
53         {NULL, 0},
54 };
55
56 struct cpuinfo cpuinfo;
57
58 void __init setup_cpuinfo(void)
59 {
60         struct device_node *cpu = NULL;
61
62         cpu = (struct device_node *) of_find_node_by_type(NULL, "cpu");
63         if (!cpu)
64                 printk(KERN_ERR "You don't have cpu!!!\n");
65
66         printk(KERN_INFO "%s: initialising\n", __func__);
67
68         switch (cpu_has_pvr()) {
69         case 0:
70                 printk(KERN_WARNING
71                         "%s: No PVR support. Using static CPU info from FDT\n",
72                         __func__);
73                 set_cpuinfo_static(&cpuinfo, cpu);
74                 break;
75 /* FIXME I found weird behavior with MB 7.00.a/b 7.10.a
76  * please do not use FULL PVR with MMU */
77         case 1:
78                 printk(KERN_INFO "%s: Using full CPU PVR support\n",
79                         __func__);
80                 set_cpuinfo_static(&cpuinfo, cpu);
81                 set_cpuinfo_pvr_full(&cpuinfo, cpu);
82                 break;
83         default:
84                 printk(KERN_WARNING "%s: Unsupported PVR setting\n", __func__);
85                 set_cpuinfo_static(&cpuinfo, cpu);
86         }
87 }