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
|
/*
* arch/mips/au1000/common/cputable.c
*
* Copyright (C) 2004 Dan Malek (dan@embeddededge.com)
* Copied from PowerPC and updated for Alchemy Au1xxx processors.
*
* Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.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.
*/
#include <linux/string.h>
#include <linux/sched.h>
#include <linux/threads.h>
#include <linux/init.h>
#include <asm/mach-au1x00/au1000.h>
struct cpu_spec* cur_cpu_spec[NR_CPUS];
/* With some thought, we can probably use the mask to reduce the
* size of the table.
*/
struct cpu_spec cpu_specs[] = {
{ 0xffffffff, 0x00030100, "Au1000 DA", 1, 0 },
{ 0xffffffff, 0x00030201, "Au1000 HA", 1, 0 },
{ 0xffffffff, 0x00030202, "Au1000 HB", 1, 0 },
{ 0xffffffff, 0x00030203, "Au1000 HC", 1, 1 },
{ 0xffffffff, 0x00030204, "Au1000 HD", 1, 1 },
{ 0xffffffff, 0x01030200, "Au1500 AB", 1, 1 },
{ 0xffffffff, 0x01030201, "Au1500 AC", 0, 1 },
{ 0xffffffff, 0x01030202, "Au1500 AD", 0, 1 },
{ 0xffffffff, 0x02030200, "Au1100 AB", 1, 1 },
{ 0xffffffff, 0x02030201, "Au1100 BA", 1, 1 },
{ 0xffffffff, 0x02030202, "Au1100 BC", 1, 1 },
{ 0xffffffff, 0x02030203, "Au1100 BD", 0, 1 },
{ 0xffffffff, 0x02030204, "Au1100 BE", 0, 1 },
{ 0xffffffff, 0x03030200, "Au1550 AA", 0, 1 },
{ 0xffffffff, 0x04030200, "Au1200 AB", 0, 0 },
{ 0xffffffff, 0x04030201, "Au1200 AC", 1, 0 },
{ 0x00000000, 0x00000000, "Unknown Au1xxx", 1, 0 },
};
void
set_cpuspec(void)
{
struct cpu_spec *sp;
u32 prid;
prid = read_c0_prid();
sp = cpu_specs;
while ((prid & sp->prid_mask) != sp->prid_value)
sp++;
cur_cpu_spec[0] = sp;
}
|
