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106 lines
2.7 KiB
C
106 lines
2.7 KiB
C
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/*
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* Copyright 2007-2009 Freescale Semiconductor, Inc. All Rights Reserved.
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* Definitions for Coldfire V4e MMU
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*/
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#include <asm/movs.h>
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#ifndef __CF_MMU_H__
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#define __CF_MMU_H__
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#define MMU_BASE 0xE8000000
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#define MMUCR (MMU_BASE+0x00)
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#define MMUCR_ASMN 1
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#define MMUCR_ASM (1<<MMUCR_ASMN)
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#define MMUCR_ENN 0
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#define MMUCR_EN (1<<MMUCR_ENN)
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#define MMUOR REG16(MMU_BASE+0x04+0x02)
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#define MMUOR_AAN 16
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#define MMUOR_AA (0xffff<<MMUOR_AAN)
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#define MMUOR_STLBN 8
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#define MMUOR_STLB (1<<MMUOR_STLBN)
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#define MMUOR_CAN 7
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#define MMUOR_CA (1<<MMUOR_CAN)
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#define MMUOR_CNLN 6
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#define MMUOR_CNL (1<<MMUOR_CNLN)
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#define MMUOR_CASN 5
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#define MMUOR_CAS (1<<MMUOR_CASN)
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#define MMUOR_ITLBN 4
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#define MMUOR_ITLB (1<<MMUOR_ITLBN)
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#define MMUOR_ADRN 3
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#define MMUOR_ADR (1<<MMUOR_ADRN)
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#define MMUOR_RWN 2
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#define MMUOR_RW (1<<MMUOR_RWN)
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#define MMUOR_ACCN 1
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#define MMUOR_ACC (1<<MMUOR_ACCN)
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#define MMUOR_UAAN 0
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#define MMUOR_UAA (1<<MMUOR_UAAN)
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#define MMUSR REG32(MMU_BASE+0x08)
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#define MMUSR_SPFN 5
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#define MMUSR_SPF (1<<MMUSR_SPFN)
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#define MMUSR_RFN 4
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#define MMUSR_RF (1<<MMUSR_RFN)
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#define MMUSR_WFN 3
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#define MMUSR_WF (1<<MMUSR_WFN)
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#define MMUSR_HITN 1
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#define MMUSR_HIT (1<<MMUSR_HITN)
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#define MMUAR REG32(MMU_BASE+0x10)
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#define MMUAR_VPN 1
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#define MMUAR_VP (0xfffffffe)
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#define MMUAR_SN 0
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#define MMUAR_S (1<<MMUAR_SN)
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#define MMUTR REG32(MMU_BASE+0x14)
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#define MMUTR_VAN 10
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#define MMUTR_VA (0xfffffc00)
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#define MMUTR_IDN 2
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#define MMUTR_ID (0xff<<MMUTR_IDN)
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#define MMUTR_SGN 1
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#define MMUTR_SG (1<<MMUTR_SGN)
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#define MMUTR_VN 0
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#define MMUTR_V (1<<MMUTR_VN)
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#define MMUDR REG32(MMU_BASE+0x18)
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#define MMUDR_PAN 10
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#define MMUDR_PA (0xfffffc00)
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#define MMUDR_SZN 8
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#define MMUDR_SZ_MASK (0x2<<MMUDR_SZN)
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#define MMUDR_SZ1M (0<<MMUDR_SZN)
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#define MMUDR_SZ4K (1<<MMUDR_SZN)
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#define MMUDR_SZ8K (2<<MMUDR_SZN)
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#define MMUDR_SZ16M (3<<MMUDR_SZN)
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#define MMUDR_CMN 6
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#define MMUDR_INC (2<<MMUDR_CMN)
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#define MMUDR_IC (0<<MMUDR_CMN)
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#define MMUDR_DWT (0<<MMUDR_CMN)
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#define MMUDR_DCB (1<<MMUDR_CMN)
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#define MMUDR_DNCP (2<<MMUDR_CMN)
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#define MMUDR_DNCIP (3<<MMUDR_CMN)
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#define MMUDR_SPN 5
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#define MMUDR_SP (1<<MMUDR_SPN)
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#define MMUDR_RN 4
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#define MMUDR_R (1<<MMUDR_RN)
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#define MMUDR_WN 3
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#define MMUDR_W (1<<MMUDR_WN)
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#define MMUDR_XN 2
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#define MMUDR_X (1<<MMUDR_XN)
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#define MMUDR_LKN 1
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#define MMUDR_LK (1<<MMUDR_LKN)
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#ifndef __ASSEMBLY__
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#define CF_PMEGS_NUM 256
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#define CF_INVALID_CONTEXT 255
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#define CF_PAGE_PGNUM_MASK (PAGE_MASK)
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extern int cf_tlb_miss(struct pt_regs *regs, int write, int dtlb,
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int extension_word);
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#endif /* __ASSEMBLY__*/
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#endif /* !__CF_MMU_H__ */
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