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Diffstat (limited to 'include/asm-m68k/sun3mmu.h')
-rw-r--r--include/asm-m68k/sun3mmu.h171
1 files changed, 0 insertions, 171 deletions
diff --git a/include/asm-m68k/sun3mmu.h b/include/asm-m68k/sun3mmu.h
deleted file mode 100644
index d8f17a0d8c9f..000000000000
--- a/include/asm-m68k/sun3mmu.h
+++ /dev/null
@@ -1,171 +0,0 @@
-/*
- * Definitions for Sun3 custom MMU.
- */
-#ifndef __SUN3_MMU_H__
-#define __SUN3_MMU_H__
-
-#include <linux/types.h>
-#include <asm/movs.h>
-#include <asm/sun3-head.h>
-
-/* MMU characteristics. */
-#define SUN3_SEGMAPS_PER_CONTEXT 2048
-#define SUN3_PMEGS_NUM 256
-#define SUN3_CONTEXTS_NUM 8
-
-#define SUN3_PMEG_SIZE_BITS 17
-#define SUN3_PMEG_SIZE (1 << SUN3_PMEG_SIZE_BITS)
-#define SUN3_PMEG_MASK (SUN3_PMEG_SIZE - 1)
-
-#define SUN3_PTE_SIZE_BITS 13
-#define SUN3_PTE_SIZE (1 << SUN3_PTE_SIZE_BITS)
-#define SUN3_PTE_MASK (SUN3_PTE_SIZE - 1)
-
-#define SUN3_CONTROL_MASK (0x0FFFFFFC)
-#define SUN3_INVALID_PMEG 255
-#define SUN3_INVALID_CONTEXT 255
-
-#define AC_IDPROM 0x00000000 /* 34 ID PROM, R/O, byte, 32 bytes */
-#define AC_PAGEMAP 0x10000000 /* 3 Pagemap R/W, long */
-#define AC_SEGMAP 0x20000000 /* 3 Segment map, byte */
-#define AC_CONTEXT 0x30000000 /* 34c current mmu-context */
-#define AC_SENABLE 0x40000000 /* 34c system dvma/cache/reset enable reg*/
-#define AC_UDVMA_ENB 0x50000000 /* 34 Not used on Sun boards, byte */
-#define AC_BUS_ERROR 0x60000000 /* 34 Cleared on read, byte. */
-#define AC_SYNC_ERR 0x60000000 /* c fault type */
-#define AC_SYNC_VA 0x60000004 /* c fault virtual address */
-#define AC_ASYNC_ERR 0x60000008 /* c asynchronous fault type */
-#define AC_ASYNC_VA 0x6000000c /* c async fault virtual address */
-#define AC_LEDS 0x70000000 /* 34 Zero turns on LEDs, byte */
-#define AC_CACHETAGS 0x80000000 /* 34c direct access to the VAC tags */
-#define AC_CACHEDDATA 0x90000000 /* 3 c direct access to the VAC data */
-#define AC_UDVMA_MAP 0xD0000000 /* 4 Not used on Sun boards, byte */
-#define AC_VME_VECTOR 0xE0000000 /* 4 For non-Autovector VME, byte */
-#define AC_BOOT_SCC 0xF0000000 /* 34 bypass to access Zilog 8530. byte.*/
-
-#define SUN3_PAGE_CHG_MASK (SUN3_PAGE_PGNUM_MASK \
- | SUN3_PAGE_ACCESSED | SUN3_PAGE_MODIFIED)
-
-/* Bus access type within PTE. */
-#define SUN3_PAGE_TYPE_MASK (0x0c000000)
-#define SUN3_PAGE_TYPE_MEMORY (0x00000000)
-#define SUN3_PAGE_TYPE_IO (0x04000000)
-#define SUN3_PAGE_TYPE_VME16 (0x08000000)
-#define SUN3_PAGE_TYPE_VME32 (0x0c000000)
-
-/* Mask for page number within PTE. */
-#define SUN3_PAGE_PGNUM_MASK (0x0007FFFF)
-
-/* Bits within bus-error register. */
-#define SUN3_BUSERR_WATCHDOG (0x01)
-#define SUN3_BUSERR_unused (0x02)
-#define SUN3_BUSERR_FPAENERR (0x04)
-#define SUN3_BUSERR_FPABERR (0x08)
-#define SUN3_BUSERR_VMEBERR (0x10)
-#define SUN3_BUSERR_TIMEOUT (0x20)
-#define SUN3_BUSERR_PROTERR (0x40)
-#define SUN3_BUSERR_INVALID (0x80)
-
-#ifndef __ASSEMBLY__
-
-/* Read bus error status register (implicitly clearing it). */
-static inline unsigned char sun3_get_buserr(void)
-{
- unsigned char sfc, c;
-
- GET_SFC (sfc);
- SET_SFC (FC_CONTROL);
- GET_CONTROL_BYTE (AC_BUS_ERROR, c);
- SET_SFC (sfc);
-
- return c;
-}
-
-/* Read segmap from hardware MMU. */
-static inline unsigned long sun3_get_segmap(unsigned long addr)
-{
- register unsigned long entry;
- unsigned char c, sfc;
-
- GET_SFC (sfc);
- SET_SFC (FC_CONTROL);
- GET_CONTROL_BYTE (AC_SEGMAP | (addr & SUN3_CONTROL_MASK), c);
- SET_SFC (sfc);
- entry = c;
-
- return entry;
-}
-
-/* Write segmap to hardware MMU. */
-static inline void sun3_put_segmap(unsigned long addr, unsigned long entry)
-{
- unsigned char sfc;
-
- GET_DFC (sfc);
- SET_DFC (FC_CONTROL);
- SET_CONTROL_BYTE (AC_SEGMAP | (addr & SUN3_CONTROL_MASK), entry);
- SET_DFC (sfc);
-
- return;
-}
-
-/* Read PTE from hardware MMU. */
-static inline unsigned long sun3_get_pte(unsigned long addr)
-{
- register unsigned long entry;
- unsigned char sfc;
-
- GET_SFC (sfc);
- SET_SFC (FC_CONTROL);
- GET_CONTROL_WORD (AC_PAGEMAP | (addr & SUN3_CONTROL_MASK), entry);
- SET_SFC (sfc);
-
- return entry;
-}
-
-/* Write PTE to hardware MMU. */
-static inline void sun3_put_pte(unsigned long addr, unsigned long entry)
-{
- unsigned char sfc;
-
- GET_DFC (sfc);
- SET_DFC (FC_CONTROL);
- SET_CONTROL_WORD (AC_PAGEMAP | (addr & SUN3_CONTROL_MASK), entry);
- SET_DFC (sfc);
-
- return;
-}
-
-/* get current context */
-static inline unsigned char sun3_get_context(void)
-{
- unsigned char sfc, c;
-
- GET_SFC(sfc);
- SET_SFC(FC_CONTROL);
- GET_CONTROL_BYTE(AC_CONTEXT, c);
- SET_SFC(sfc);
-
- return c;
-}
-
-/* set alternate context */
-static inline void sun3_put_context(unsigned char c)
-{
- unsigned char dfc;
- GET_DFC(dfc);
- SET_DFC(FC_CONTROL);
- SET_CONTROL_BYTE(AC_CONTEXT, c);
- SET_DFC(dfc);
-
- return;
-}
-
-extern void __iomem *sun3_ioremap(unsigned long phys, unsigned long size,
- unsigned long type);
-
-extern int sun3_map_test(unsigned long addr, char *val);
-
-#endif /* !__ASSEMBLY__ */
-
-#endif /* !__SUN3_MMU_H__ */