blob: 2243fe30800138f48ae90bae4e919f58de19a84f (
plain)
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
|
#ifndef CPU_X86_MTRR_H
#define CPU_X86_MTRR_H
/* These are the region types */
#define MTRR_TYPE_UNCACHEABLE 0
#define MTRR_TYPE_WRCOMB 1
/*#define MTRR_TYPE_ 2*/
/*#define MTRR_TYPE_ 3*/
#define MTRR_TYPE_WRTHROUGH 4
#define MTRR_TYPE_WRPROT 5
#define MTRR_TYPE_WRBACK 6
#define MTRR_NUM_TYPES 7
#define MTRRcap_MSR 0x0fe
#define MTRRdefType_MSR 0x2ff
#define MTRRphysBase_MSR(reg) (0x200 + 2 * (reg))
#define MTRRphysMask_MSR(reg) (0x200 + 2 * (reg) + 1)
#define NUM_FIXED_RANGES 88
#define MTRRfix64K_00000_MSR 0x250
#define MTRRfix16K_80000_MSR 0x258
#define MTRRfix16K_A0000_MSR 0x259
#define MTRRfix4K_C0000_MSR 0x268
#define MTRRfix4K_C8000_MSR 0x269
#define MTRRfix4K_D0000_MSR 0x26a
#define MTRRfix4K_D8000_MSR 0x26b
#define MTRRfix4K_E0000_MSR 0x26c
#define MTRRfix4K_E8000_MSR 0x26d
#define MTRRfix4K_F0000_MSR 0x26e
#define MTRRfix4K_F8000_MSR 0x26f
#if !defined(__ROMCC__) && !defined (ASSEMBLY) && !defined(__PRE_RAM__)
#include <device/device.h>
void enable_fixed_mtrr(void);
void x86_setup_var_mtrrs(unsigned address_bits);
void x86_setup_mtrrs(unsigned address_bits);
int x86_mtrr_check(void);
void set_var_mtrr_resource(void *gp, struct device *dev, struct resource *res);
void x86_setup_fixed_mtrrs(void);
#endif /* __ROMCC__ */
#endif /* CPU_X86_MTRR_H */
|