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diff --git a/arch/powerpc/include/asm/mmu-8xx.h b/arch/powerpc/include/asm/mmu-8xx.h
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-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _ASM_POWERPC_MMU_8XX_H_
-#define _ASM_POWERPC_MMU_8XX_H_
-/*
- * PPC8xx support
- */
-
-/* Control/status registers for the MPC8xx.
- * A write operation to these registers causes serialized access.
- * During software tablewalk, the registers used perform mask/shift-add
- * operations when written/read. A TLB entry is created when the Mx_RPN
- * is written, and the contents of several registers are used to
- * create the entry.
- */
-#define SPRN_MI_CTR 784 /* Instruction TLB control register */
-#define MI_GPM 0x80000000 /* Set domain manager mode */
-#define MI_PPM 0x40000000 /* Set subpage protection */
-#define MI_CIDEF 0x20000000 /* Set cache inhibit when MMU dis */
-#define MI_RSV4I 0x08000000 /* Reserve 4 TLB entries */
-#define MI_PPCS 0x02000000 /* Use MI_RPN prob/priv state */
-#define MI_IDXMASK 0x00001f00 /* TLB index to be loaded */
-#define MI_RESETVAL 0x00000000 /* Value of register at reset */
-
-/* These are the Ks and Kp from the PowerPC books. For proper operation,
- * Ks = 0, Kp = 1.
- */
-#define SPRN_MI_AP 786
-#define MI_Ks 0x80000000 /* Should not be set */
-#define MI_Kp 0x40000000 /* Should always be set */
-
-/*
- * All pages' PP data bits are set to either 001 or 011 by copying _PAGE_EXEC
- * into bit 21 in the ITLBmiss handler (bit 21 is the middle bit), which means
- * respectively NA for All or X for Supervisor and no access for User.
- * Then we use the APG to say whether accesses are according to Page rules or
- * "all Supervisor" rules (Access to all)
- * Therefore, we define 2 APG groups. lsb is _PMD_USER
- * 0 => No user => 01 (all accesses performed according to page definition)
- * 1 => User => 00 (all accesses performed as supervisor iaw page definition)
- * We define all 16 groups so that all other bits of APG can take any value
- */
-#define MI_APG_INIT 0x44444444
-
-/* The effective page number register. When read, contains the information
- * about the last instruction TLB miss. When MI_RPN is written, bits in
- * this register are used to create the TLB entry.
- */
-#define SPRN_MI_EPN 787
-#define MI_EPNMASK 0xfffff000 /* Effective page number for entry */
-#define MI_EVALID 0x00000200 /* Entry is valid */
-#define MI_ASIDMASK 0x0000000f /* ASID match value */
- /* Reset value is undefined */
-
-/* A "level 1" or "segment" or whatever you want to call it register.
- * For the instruction TLB, it contains bits that get loaded into the
- * TLB entry when the MI_RPN is written.
- */
-#define SPRN_MI_TWC 789
-#define MI_APG 0x000001e0 /* Access protection group (0) */
-#define MI_GUARDED 0x00000010 /* Guarded storage */
-#define MI_PSMASK 0x0000000c /* Mask of page size bits */
-#define MI_PS8MEG 0x0000000c /* 8M page size */
-#define MI_PS512K 0x00000004 /* 512K page size */
-#define MI_PS4K_16K 0x00000000 /* 4K or 16K page size */
-#define MI_SVALID 0x00000001 /* Segment entry is valid */
- /* Reset value is undefined */
-
-/* Real page number. Defined by the pte. Writing this register
- * causes a TLB entry to be created for the instruction TLB, using
- * additional information from the MI_EPN, and MI_TWC registers.
- */
-#define SPRN_MI_RPN 790
-#define MI_SPS16K 0x00000008 /* Small page size (0 = 4k, 1 = 16k) */
-
-/* Define an RPN value for mapping kernel memory to large virtual
- * pages for boot initialization. This has real page number of 0,
- * large page size, shared page, cache enabled, and valid.
- * Also mark all subpages valid and write access.
- */
-#define MI_BOOTINIT 0x000001fd
-
-#define SPRN_MD_CTR 792 /* Data TLB control register */
-#define MD_GPM 0x80000000 /* Set domain manager mode */
-#define MD_PPM 0x40000000 /* Set subpage protection */
-#define MD_CIDEF 0x20000000 /* Set cache inhibit when MMU dis */
-#define MD_WTDEF 0x10000000 /* Set writethrough when MMU dis */
-#define MD_RSV4I 0x08000000 /* Reserve 4 TLB entries */
-#define MD_TWAM 0x04000000 /* Use 4K page hardware assist */
-#define MD_PPCS 0x02000000 /* Use MI_RPN prob/priv state */
-#define MD_IDXMASK 0x00001f00 /* TLB index to be loaded */
-#define MD_RESETVAL 0x04000000 /* Value of register at reset */
-
-#define SPRN_M_CASID 793 /* Address space ID (context) to match */
-#define MC_ASIDMASK 0x0000000f /* Bits used for ASID value */
-
-
-/* These are the Ks and Kp from the PowerPC books. For proper operation,
- * Ks = 0, Kp = 1.
- */
-#define SPRN_MD_AP 794
-#define MD_Ks 0x80000000 /* Should not be set */
-#define MD_Kp 0x40000000 /* Should always be set */
-
-/*
- * All pages' PP data bits are set to either 000 or 011 or 001, which means
- * respectively RW for Supervisor and no access for User, or RO for
- * Supervisor and no access for user and NA for ALL.
- * Then we use the APG to say whether accesses are according to Page rules or
- * "all Supervisor" rules (Access to all)
- * Therefore, we define 2 APG groups. lsb is _PMD_USER
- * 0 => No user => 01 (all accesses performed according to page definition)
- * 1 => User => 00 (all accesses performed as supervisor iaw page definition)
- * We define all 16 groups so that all other bits of APG can take any value
- */
-#define MD_APG_INIT 0x44444444
-
-/* The effective page number register. When read, contains the information
- * about the last instruction TLB miss. When MD_RPN is written, bits in
- * this register are used to create the TLB entry.
- */
-#define SPRN_MD_EPN 795
-#define MD_EPNMASK 0xfffff000 /* Effective page number for entry */
-#define MD_EVALID 0x00000200 /* Entry is valid */
-#define MD_ASIDMASK 0x0000000f /* ASID match value */
- /* Reset value is undefined */
-
-/* The pointer to the base address of the first level page table.
- * During a software tablewalk, reading this register provides the address
- * of the entry associated with MD_EPN.
- */
-#define SPRN_M_TWB 796
-#define M_L1TB 0xfffff000 /* Level 1 table base address */
-#define M_L1INDX 0x00000ffc /* Level 1 index, when read */
- /* Reset value is undefined */
-
-/* A "level 1" or "segment" or whatever you want to call it register.
- * For the data TLB, it contains bits that get loaded into the TLB entry
- * when the MD_RPN is written. It is also provides the hardware assist
- * for finding the PTE address during software tablewalk.
- */
-#define SPRN_MD_TWC 797
-#define MD_L2TB 0xfffff000 /* Level 2 table base address */
-#define MD_L2INDX 0xfffffe00 /* Level 2 index (*pte), when read */
-#define MD_APG 0x000001e0 /* Access protection group (0) */
-#define MD_GUARDED 0x00000010 /* Guarded storage */
-#define MD_PSMASK 0x0000000c /* Mask of page size bits */
-#define MD_PS8MEG 0x0000000c /* 8M page size */
-#define MD_PS512K 0x00000004 /* 512K page size */
-#define MD_PS4K_16K 0x00000000 /* 4K or 16K page size */
-#define MD_WT 0x00000002 /* Use writethrough page attribute */
-#define MD_SVALID 0x00000001 /* Segment entry is valid */
- /* Reset value is undefined */
-
-
-/* Real page number. Defined by the pte. Writing this register
- * causes a TLB entry to be created for the data TLB, using
- * additional information from the MD_EPN, and MD_TWC registers.
- */
-#define SPRN_MD_RPN 798
-#define MD_SPS16K 0x00000008 /* Small page size (0 = 4k, 1 = 16k) */
-
-/* This is a temporary storage register that could be used to save
- * a processor working register during a tablewalk.
- */
-#define SPRN_M_TW 799
-
-#ifdef CONFIG_PPC_MM_SLICES
-#include <asm/nohash/32/slice.h>
-#define SLICE_ARRAY_SIZE (1 << (32 - SLICE_LOW_SHIFT - 1))
-#endif
-
-#ifndef __ASSEMBLY__
-struct slice_mask {
- u64 low_slices;
- DECLARE_BITMAP(high_slices, 0);
-};
-
-typedef struct {
- unsigned int id;
- unsigned int active;
- unsigned long vdso_base;
-#ifdef CONFIG_PPC_MM_SLICES
- u16 user_psize; /* page size index */
- unsigned char low_slices_psize[SLICE_ARRAY_SIZE];
- unsigned char high_slices_psize[0];
- unsigned long slb_addr_limit;
- struct slice_mask mask_base_psize; /* 4k or 16k */
-# ifdef CONFIG_HUGETLB_PAGE
- struct slice_mask mask_512k;
- struct slice_mask mask_8m;
-# endif
-#endif
-} mm_context_t;
-
-#define PHYS_IMMR_BASE (mfspr(SPRN_IMMR) & 0xfff80000)
-#define VIRT_IMMR_BASE (__fix_to_virt(FIX_IMMR_BASE))
-
-/* Page size definitions, common between 32 and 64-bit
- *
- * shift : is the "PAGE_SHIFT" value for that page size
- * penc : is the pte encoding mask
- *
- */
-struct mmu_psize_def {
- unsigned int shift; /* number of bits */
- unsigned int enc; /* PTE encoding */
- unsigned int ind; /* Corresponding indirect page size shift */
- unsigned int flags;
-#define MMU_PAGE_SIZE_DIRECT 0x1 /* Supported as a direct size */
-#define MMU_PAGE_SIZE_INDIRECT 0x2 /* Supported as an indirect size */
-};
-
-extern struct mmu_psize_def mmu_psize_defs[MMU_PAGE_COUNT];
-
-static inline int shift_to_mmu_psize(unsigned int shift)
-{
- int psize;
-
- for (psize = 0; psize < MMU_PAGE_COUNT; ++psize)
- if (mmu_psize_defs[psize].shift == shift)
- return psize;
- return -1;
-}
-
-static inline unsigned int mmu_psize_to_shift(unsigned int mmu_psize)
-{
- if (mmu_psize_defs[mmu_psize].shift)
- return mmu_psize_defs[mmu_psize].shift;
- BUG();
-}
-
-#endif /* !__ASSEMBLY__ */
-
-#if defined(CONFIG_PPC_4K_PAGES)
-#define mmu_virtual_psize MMU_PAGE_4K
-#elif defined(CONFIG_PPC_16K_PAGES)
-#define mmu_virtual_psize MMU_PAGE_16K
-#else
-#error "Unsupported PAGE_SIZE"
-#endif
-
-#define mmu_linear_psize MMU_PAGE_8M
-
-#endif /* _ASM_POWERPC_MMU_8XX_H_ */