/* * mcfmmu.h -- definitions for the ColdFire v4e MMU * * (C) Copyright 2011, Greg Ungerer <gerg@uclinux.org> * * This file is subject to the terms and conditions of the GNU General Public * License. See the file COPYING in the main directory of this archive * for more details. */ #ifndef MCFMMU_H #define MCFMMU_H /* * The MMU support registers are mapped into the address space using * the processor MMUBASE register. We used a fixed address for mapping, * there doesn't seem any need to make this configurable yet. */ #define MMUBASE 0xfe000000 /* * The support registers of the MMU. Names are the sames as those * used in the Freescale v4e documentation. */ #define MMUCR (MMUBASE + 0x00) /* Control register */ #define MMUOR (MMUBASE + 0x04) /* Operation register */ #define MMUSR (MMUBASE + 0x08) /* Status register */ #define MMUAR (MMUBASE + 0x10) /* TLB Address register */ #define MMUTR (MMUBASE + 0x14) /* TLB Tag register */ #define MMUDR (MMUBASE + 0x18) /* TLB Data register */ /* * MMU Control register bit flags */ #define MMUCR_EN 0x00000001 /* Virtual mode enable */ #define MMUCR_ASM 0x00000002 /* Address space mode */ /* * MMU Operation register. */ #define MMUOR_UAA 0x00000001 /* Update allocation address */ #define MMUOR_ACC 0x00000002 /* TLB access */ #define MMUOR_RD 0x00000004 /* TLB access read */ #define MMUOR_WR 0x00000000 /* TLB access write */ #define MMUOR_ADR 0x00000008 /* TLB address select */ #define MMUOR_ITLB 0x00000010 /* ITLB operation */ #define MMUOR_CAS 0x00000020 /* Clear non-locked ASID TLBs */ #define MMUOR_CNL 0x00000040 /* Clear non-locked TLBs */ #define MMUOR_CA 0x00000080 /* Clear all TLBs */ #define MMUOR_STLB 0x00000100 /* Search TLBs */ #define MMUOR_AAN 16 /* TLB allocation address */ #define MMUOR_AAMASK 0xffff0000 /* AA mask */ /* * MMU Status register. */ #define MMUSR_HIT 0x00000002 /* Search TLB hit */ #define MMUSR_WF 0x00000008 /* Write access fault */ #define MMUSR_RF 0x00000010 /* Read access fault */ #define MMUSR_SPF 0x00000020 /* Supervisor protect fault */ /* * MMU Read/Write Tag register. */ #define MMUTR_V 0x00000001 /* Valid */ #define MMUTR_SG 0x00000002 /* Shared global */ #define MMUTR_IDN 2 /* Address Space ID */ #define MMUTR_IDMASK 0x000003fc /* ASID mask */ #define MMUTR_VAN 10 /* Virtual Address */ #define MMUTR_VAMASK 0xfffffc00 /* VA mask */ /* * MMU Read/Write Data register. */ #define MMUDR_LK 0x00000002 /* Lock entry */ #define MMUDR_X 0x00000004 /* Execute access enable */ #define MMUDR_W 0x00000008 /* Write access enable */ #define MMUDR_R 0x00000010 /* Read access enable */ #define MMUDR_SP 0x00000020 /* Supervisor access enable */ #define MMUDR_CM_CWT 0x00000000 /* Cachable write thru */ #define MMUDR_CM_CCB 0x00000040 /* Cachable copy back */ #define MMUDR_CM_NCP 0x00000080 /* Non-cachable precise */ #define MMUDR_CM_NCI 0x000000c0 /* Non-cachable imprecise */ #define MMUDR_SZ_1MB 0x00000000 /* 1MB page size */ #define MMUDR_SZ_4KB 0x00000100 /* 4kB page size */ #define MMUDR_SZ_8KB 0x00000200 /* 8kB page size */ #define MMUDR_SZ_1KB 0x00000300 /* 1kB page size */ #define MMUDR_PAN 10 /* Physical address */ #define MMUDR_PAMASK 0xfffffc00 /* PA mask */ #ifndef __ASSEMBLY__ /* * Simple access functions for the MMU registers. Nothing fancy * currently required, just simple 32bit access. */ static inline u32 mmu_read(u32 a) { return *((volatile u32 *) a); } static inline void mmu_write(u32 a, u32 v) { *((volatile u32 *) a) = v; __asm__ __volatile__ ("nop"); } void cf_bootmem_alloc(void); void cf_mmu_context_init(void); int cf_tlb_miss(struct pt_regs *regs, int write, int dtlb, int extension_word); #endif #endif /* MCFMMU_H */
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atomic.h | File | 4.86 KB | 0644 |
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bitops.h | File | 12.19 KB | 0644 |
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blinken.h | File | 641 B | 0644 |
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bootinfo.h | File | 783 B | 0644 |
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bootstd.h | File | 4.64 KB | 0644 |
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bug.h | File | 659 B | 0644 |
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bugs.h | File | 369 B | 0644 |
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bvme6000hw.h | File | 3.45 KB | 0644 |
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cache.h | File | 296 B | 0644 |
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cacheflush.h | File | 133 B | 0644 |
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cacheflush_mm.h | File | 6.92 KB | 0644 |
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cacheflush_no.h | File | 2.61 KB | 0644 |
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checksum.h | File | 3.4 KB | 0644 |
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cmpxchg.h | File | 3.34 KB | 0644 |
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coldfire.h | File | 1.61 KB | 0644 |
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contregs.h | File | 3.31 KB | 0644 |
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current.h | File | 580 B | 0644 |
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delay.h | File | 3.43 KB | 0644 |
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div64.h | File | 858 B | 0644 |
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dma-mapping.h | File | 291 B | 0644 |
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dma.h | File | 16.65 KB | 0644 |
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dsp56k.h | File | 1.24 KB | 0644 |
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dvma.h | File | 9.67 KB | 0644 |
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flat.h | File | 1.02 KB | 0644 |
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floppy.h | File | 5.06 KB | 0644 |
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gpio.h | File | 2.64 KB | 0644 |
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hardirq.h | File | 594 B | 0644 |
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hash.h | File | 2.07 KB | 0644 |
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hp300hw.h | File | 186 B | 0644 |
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hwtest.h | File | 467 B | 0644 |
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ide.h | File | 1.67 KB | 0644 |
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idprom.h | File | 725 B | 0644 |
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intersil.h | File | 1.11 KB | 0644 |
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io.h | File | 383 B | 0644 |
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io_mm.h | File | 16.19 KB | 0644 |
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io_no.h | File | 5.26 KB | 0644 |
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irq.h | File | 2.57 KB | 0644 |
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irqflags.h | File | 1.61 KB | 0644 |
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linkage.h | File | 1.55 KB | 0644 |
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mac_iop.h | File | 5.37 KB | 0644 |
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machines.h | File | 3.13 KB | 0644 |
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machw.h | File | 588 B | 0644 |
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macintosh.h | File | 2.02 KB | 0644 |
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macints.h | File | 3.28 KB | 0644 |
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math-emu.h | File | 6.74 KB | 0644 |
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mc146818rtc.h | File | 598 B | 0644 |
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mcf8390.h | File | 3.75 KB | 0644 |
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mcf_pgalloc.h | File | 2.37 KB | 0644 |
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mcf_pgtable.h | File | 9.89 KB | 0644 |
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mcfclk.h | File | 1.01 KB | 0644 |
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mcfdma.h | File | 6.51 KB | 0644 |
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mcfgpio.h | File | 8.48 KB | 0644 |
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mcfintc.h | File | 3.09 KB | 0644 |
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mcfmmu.h | File | 3.67 KB | 0644 |
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mcfpit.h | File | 2.22 KB | 0644 |
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mcfslt.h | File | 1.21 KB | 0644 |
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mcftimer.h | File | 2.3 KB | 0644 |
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mcfuart.h | File | 6.91 KB | 0644 |
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mcfwdebug.h | File | 4.99 KB | 0644 |
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mmu.h | File | 243 B | 0644 |
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mmu_context.h | File | 7.2 KB | 0644 |
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mmzone.h | File | 264 B | 0644 |
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module.h | File | 847 B | 0644 |
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motorola_pgalloc.h | File | 2.26 KB | 0644 |
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motorola_pgtable.h | File | 9.2 KB | 0644 |
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movs.h | File | 1.44 KB | 0644 |
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mvme147hw.h | File | 2.81 KB | 0644 |
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mvme16xhw.h | File | 2.16 KB | 0644 |
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natfeat.h | File | 533 B | 0644 |
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nettel.h | File | 2.95 KB | 0644 |
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nubus.h | File | 1.21 KB | 0644 |
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openprom.h | File | 7.98 KB | 0644 |
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oplib.h | File | 9.54 KB | 0644 |
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page.h | File | 1.47 KB | 0644 |
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page_mm.h | File | 4.06 KB | 0644 |
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page_no.h | File | 1.28 KB | 0644 |
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page_offset.h | File | 256 B | 0644 |
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parport.h | File | 837 B | 0644 |
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pci.h | File | 458 B | 0644 |
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pgalloc.h | File | 444 B | 0644 |
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pgtable.h | File | 127 B | 0644 |
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pgtable_mm.h | File | 4.84 KB | 0644 |
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pgtable_no.h | File | 1.57 KB | 0644 |
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processor.h | File | 3.59 KB | 0644 |
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ptrace.h | File | 643 B | 0644 |
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q40_master.h | File | 2.28 KB | 0644 |
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q40ints.h | File | 749 B | 0644 |
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quicc_simple.h | File | 1.79 KB | 0644 |
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raw_io.h | File | 11.41 KB | 0644 |
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segment.h | File | 1.42 KB | 0644 |
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serial.h | File | 1.14 KB | 0644 |
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setup.h | File | 9.25 KB | 0644 |
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signal.h | File | 1.34 KB | 0644 |
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smp.h | File | 32 B | 0644 |
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string.h | File | 1.68 KB | 0644 |
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sun3-head.h | File | 353 B | 0644 |
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sun3_pgalloc.h | File | 2.26 KB | 0644 |
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sun3_pgtable.h | File | 7.65 KB | 0644 |
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sun3ints.h | File | 989 B | 0644 |
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sun3mmu.h | File | 4.91 KB | 0644 |
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sun3x.h | File | 868 B | 0644 |
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sun3xflop.h | File | 5.62 KB | 0644 |
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sun3xprom.h | File | 1.31 KB | 0644 |
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switch_to.h | File | 1.51 KB | 0644 |
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thread_info.h | File | 2.02 KB | 0644 |
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timex.h | File | 974 B | 0644 |
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tlb.h | File | 486 B | 0644 |
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tlbflush.h | File | 5.95 KB | 0644 |
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traps.h | File | 8.33 KB | 0644 |
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uaccess.h | File | 152 B | 0644 |
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uaccess_mm.h | File | 10.31 KB | 0644 |
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uaccess_no.h | File | 3.69 KB | 0644 |
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ucontext.h | File | 570 B | 0644 |
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unaligned.h | File | 600 B | 0644 |
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unistd.h | File | 952 B | 0644 |
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user.h | File | 3.78 KB | 0644 |
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vga.h | File | 651 B | 0644 |
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virtconvert.h | File | 947 B | 0644 |
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zorro.h | File | 1.17 KB | 0644 |
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