diff options
Diffstat (limited to 'arch/nds32/include/asm/fixmap.h')
-rw-r--r-- | arch/nds32/include/asm/fixmap.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/nds32/include/asm/fixmap.h b/arch/nds32/include/asm/fixmap.h new file mode 100644 index 000000000..0e60e153a --- /dev/null +++ b/arch/nds32/include/asm/fixmap.h @@ -0,0 +1,29 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (C) 2005-2017 Andes Technology Corporation + +#ifndef __ASM_NDS32_FIXMAP_H +#define __ASM_NDS32_FIXMAP_H + +#ifdef CONFIG_HIGHMEM +#include <linux/threads.h> +#include <asm/kmap_types.h> +#endif + +enum fixed_addresses { + FIX_HOLE, + FIX_KMAP_RESERVED, + FIX_KMAP_BEGIN, +#ifdef CONFIG_HIGHMEM + FIX_KMAP_END = FIX_KMAP_BEGIN + (KM_TYPE_NR * NR_CPUS), +#endif + FIX_EARLYCON_MEM_BASE, + __end_of_fixed_addresses +}; +#define FIXADDR_TOP ((unsigned long) (-(16 * PAGE_SIZE))) +#define FIXADDR_SIZE ((__end_of_fixed_addresses) << PAGE_SHIFT) +#define FIXADDR_START (FIXADDR_TOP - FIXADDR_SIZE) +#define FIXMAP_PAGE_IO __pgprot(PAGE_DEVICE) +void __set_fixmap(enum fixed_addresses idx, phys_addr_t phys, pgprot_t prot); + +#include <asm-generic/fixmap.h> +#endif /* __ASM_NDS32_FIXMAP_H */ |