From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- arch/arm/include/asm/mach/map.h | 65 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 arch/arm/include/asm/mach/map.h (limited to 'arch/arm/include/asm/mach/map.h') diff --git a/arch/arm/include/asm/mach/map.h b/arch/arm/include/asm/mach/map.h new file mode 100644 index 000000000..f98c7f32c --- /dev/null +++ b/arch/arm/include/asm/mach/map.h @@ -0,0 +1,65 @@ +/* + * arch/arm/include/asm/map.h + * + * Copyright (C) 1999-2000 Russell King + * + * 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. + * + * Page table mapping constructs and function prototypes + */ +#ifndef __ASM_MACH_MAP_H +#define __ASM_MACH_MAP_H + +#include + +struct map_desc { + unsigned long virtual; + unsigned long pfn; + unsigned long length; + unsigned int type; +}; + +/* types 0-3 are defined in asm/io.h */ +enum { + MT_UNCACHED = 4, + MT_CACHECLEAN, + MT_MINICLEAN, + MT_LOW_VECTORS, + MT_HIGH_VECTORS, + MT_MEMORY_RWX, + MT_MEMORY_RW, + MT_ROM, + MT_MEMORY_RWX_NONCACHED, + MT_MEMORY_RW_DTCM, + MT_MEMORY_RWX_ITCM, + MT_MEMORY_RW_SO, + MT_MEMORY_DMA_READY, +}; + +#ifdef CONFIG_MMU +extern void iotable_init(struct map_desc *, int); +extern void vm_reserve_area_early(unsigned long addr, unsigned long size, + void *caller); + +#ifdef CONFIG_DEBUG_LL +extern void debug_ll_addr(unsigned long *paddr, unsigned long *vaddr); +extern void debug_ll_io_init(void); +#else +static inline void debug_ll_io_init(void) {} +#endif + +struct mem_type; +extern const struct mem_type *get_mem_type(unsigned int type); +/* + * external interface to remap single page with appropriate type + */ +extern int ioremap_page(unsigned long virt, unsigned long phys, + const struct mem_type *mtype); +#else +#define iotable_init(map,num) do { } while (0) +#define vm_reserve_area_early(a,s,c) do { } while (0) +#endif + +#endif -- cgit v1.2.3-54-g00ecf