1d6d45e3c9
__ROMCC__ now means "Don't use prototypes, since romcc doesn't support them." __PRE_RAM__ means "Use simpler versions of functions, and no device tree." There are probably some places where both are tested, but only one is needed. Signed-off-by: Myles Watson <mylesgw@gmail.com> Acked-by: Peter Stuge <peter@stuge.se> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4921 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
#ifndef CPU_X86_MTRR_H
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#define CPU_X86_MTRR_H
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/* These are the region types */
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#define MTRR_TYPE_UNCACHEABLE 0
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#define MTRR_TYPE_WRCOMB 1
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/*#define MTRR_TYPE_ 2*/
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/*#define MTRR_TYPE_ 3*/
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#define MTRR_TYPE_WRTHROUGH 4
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#define MTRR_TYPE_WRPROT 5
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#define MTRR_TYPE_WRBACK 6
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#define MTRR_NUM_TYPES 7
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#define MTRRcap_MSR 0x0fe
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#define MTRRdefType_MSR 0x2ff
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#define MTRRphysBase_MSR(reg) (0x200 + 2 * (reg))
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#define MTRRphysMask_MSR(reg) (0x200 + 2 * (reg) + 1)
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#define NUM_FIXED_RANGES 88
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#define MTRRfix64K_00000_MSR 0x250
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#define MTRRfix16K_80000_MSR 0x258
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#define MTRRfix16K_A0000_MSR 0x259
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#define MTRRfix4K_C0000_MSR 0x268
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#define MTRRfix4K_C8000_MSR 0x269
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#define MTRRfix4K_D0000_MSR 0x26a
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#define MTRRfix4K_D8000_MSR 0x26b
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#define MTRRfix4K_E0000_MSR 0x26c
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#define MTRRfix4K_E8000_MSR 0x26d
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#define MTRRfix4K_F0000_MSR 0x26e
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#define MTRRfix4K_F8000_MSR 0x26f
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#if !defined(__ROMCC__) && !defined (ASSEMBLY) && !defined(__PRE_RAM__)
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#include <device/device.h>
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void enable_fixed_mtrr(void);
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void x86_setup_var_mtrrs(unsigned address_bits);
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void x86_setup_mtrrs(unsigned address_bits);
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int x86_mtrr_check(void);
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void set_var_mtrr_resource(void *gp, struct device *dev, struct resource *res);
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void x86_setup_fixed_mtrrs(void);
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#endif /* __ROMCC__ */
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#endif /* CPU_X86_MTRR_H */
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