OpenCloudOS-Kernel/arch/nds32/include/asm/fixmap.h

30 lines
828 B
C

/* 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 */