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2e1aecb970
This patch includes virtual memory layout, PHYS_OFFSET is defined as 0x0. It also includes the 4KB/8KB page size configurations and pte operations. Signed-off-by: Vincent Chen <vincentc@andestech.com> Signed-off-by: Greentime Hu <greentime@andestech.com> Acked-by: Arnd Bergmann <arnd@arndb.de>
29 lines
825 B
C
29 lines
825 B
C
// SPDX-License-Identifier: GPL-2.0
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// Copyright (C) 2005-2017 Andes Technology Corporation
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#ifndef __ASM_NDS32_FIXMAP_H
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#define __ASM_NDS32_FIXMAP_H
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#ifdef CONFIG_HIGHMEM
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#include <linux/threads.h>
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#include <asm/kmap_types.h>
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#endif
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enum fixed_addresses {
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FIX_HOLE,
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FIX_KMAP_RESERVED,
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FIX_KMAP_BEGIN,
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#ifdef CONFIG_HIGHMEM
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FIX_KMAP_END = FIX_KMAP_BEGIN + (KM_TYPE_NR * NR_CPUS),
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#endif
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FIX_EARLYCON_MEM_BASE,
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__end_of_fixed_addresses
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};
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#define FIXADDR_TOP ((unsigned long) (-(16 * PAGE_SIZE)))
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#define FIXADDR_SIZE ((__end_of_fixed_addresses) << PAGE_SHIFT)
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#define FIXADDR_START (FIXADDR_TOP - FIXADDR_SIZE)
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#define FIXMAP_PAGE_IO __pgprot(PAGE_DEVICE)
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void __set_fixmap(enum fixed_addresses idx, phys_addr_t phys, pgprot_t prot);
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#include <asm-generic/fixmap.h>
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#endif /* __ASM_NDS32_FIXMAP_H */
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