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/*
* Copyright 2012 GE Intelligent Platforms, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* Version 2 as published by the Free Software Foundation.
*/
#ifndef _MPC85XX_MMU_H_
#define _MPC85XX_MMU_H_
#ifdef CONFIG_E500
#include <asm/mmu.h>
#ifndef __ASSEMBLY__
extern int e500_find_free_tlbcam(void);
extern void e500_read_tlbcam_entry(int idx, u32 *valid, u32 *tsize,
unsigned long *epn, phys_addr_t *rpn);
extern void e500_read_tlbcam_entry(int idx, u32 *valid, u32 *tsize,
unsigned long *epn, phys_addr_t *rpn);
extern void e500_set_tlb(u8 tlb, u32 epn, u64 rpn, u8 perms, u8 wimge,
u8 ts, u8 esel, u8 tsize, u8 iprot);
extern void e500_disable_tlb(u8 esel);
extern void e500_invalidate_tlb(u8 tlb);
extern void e500_init_tlbs(void);
extern int e500_find_tlb_idx(void *addr, u8 tlbsel);
extern void e500_init_used_tlb_cams(void);
extern unsigned int e500_setup_ddr_tlbs(unsigned int memsize_in_meg);
extern void e500_write_tlb(u32 _mas0, u32 _mas1, u32 _mas2, u32 _mas3,
u32 _mas7);
#define FSL_SET_TLB_ENTRY(_tlb, _epn, _rpn, _perms, _wimge, _ts, _esel, _sz,\
_iprot) \
{ .mas0 = FSL_BOOKE_MAS0(_tlb, _esel, 0), \
.mas1 = FSL_BOOKE_MAS1(1, _iprot, 0, _ts, _sz), \
.mas2 = FSL_BOOKE_MAS2(_epn, _wimge), \
.mas3 = FSL_BOOKE_MAS3(_rpn, 0, _perms), \
.mas7 = FSL_BOOKE_MAS7(_rpn), }
struct fsl_e_tlb_entry {
u32 mas0;
u32 mas1;
u32 mas2;
u32 mas3;
u32 mas7;
};
extern struct fsl_e_tlb_entry tlb_table[];
extern int num_tlb_entries;
#endif
#endif
#endif /* _MPC85XX_MMU_H_ */
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