diff options
Diffstat (limited to 'c/src/lib/libcpu/powerpc/mpc750/mmu/bat.h')
| -rw-r--r-- | c/src/lib/libcpu/powerpc/mpc750/mmu/bat.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/c/src/lib/libcpu/powerpc/mpc750/mmu/bat.h b/c/src/lib/libcpu/powerpc/mpc750/mmu/bat.h new file mode 100644 index 0000000000..616f6182a4 --- /dev/null +++ b/c/src/lib/libcpu/powerpc/mpc750/mmu/bat.h @@ -0,0 +1,40 @@ +/* + * bat.h + * + * This file contains declaration of C function to + * Instanciate 60x/7xx ppc Block Address Translation (BAT) registers. + * More detailled information can be found on motorola + * site and more precisely in the following book : + * + * MPC750 + * Risc Microporcessor User's Manual + * Mtorola REF : MPC750UM/AD 8/97 + * + * Copyright (C) 1999 Eric Valette (valette@crf.canon.fr) + * Canon Centre Recherche France. + * + * The license and distribution terms for this file may be + * found in found in the file LICENSE in this distribution or at + * http://www.OARcorp.com/rtems/license.html. + * + * $Id$ + */ + +#ifndef LIBCPU_MCP750_MMU_BAT_H +#define LIBCPU_MCP750_MMU_BAT_H + +#include <libcpu/mmu.h> +#include <libcpu/pgtable.h> +#include <bsp/consoleIo.h> + +#define IO_PAGE (_PAGE_NO_CACHE | _PAGE_GUARDED | _PAGE_RW) + +extern void setdbat(int bat_index, unsigned long virt, unsigned long phys, + unsigned int size, int flags); + +extern void asm_setdbat1(unsigned int uperPart, unsigned int lowerPart); +extern void asm_setdbat2(unsigned int uperPart, unsigned int lowerPart); +extern void asm_setdbat3(unsigned int uperPart, unsigned int lowerPart); +extern void asm_setdbat4(unsigned int uperPart, unsigned int lowerPart); + +#endif /* LIBCPU_MCP750_MMU_BAT_H */ |