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37 lines
734 B
37 lines
734 B
/*
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* Copyright (c) Hisilicon Technologies Co., Ltd. 2014-2020. All rights reserved.
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* Description: mmu
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* Author: SmartMedia_BSP
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* Create: 2014-06-04
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*/
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#ifndef MMUH
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#define MMUH
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#include <stddef.h>
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#include <cache.h>
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#define SECTION_COUNT 4096
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#define SECTION_SIZE _1M
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#define SECTION_SHIFT 20
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#define PAGE_RW (3 << 10)
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#define PAGE_DOMAIN (0 << 5)
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#define PAGE_SECTION (1 << 1)
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#define PAGE_XN (1 << 4)
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#define PAGE_B (1 << 2)
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#define PAGE_C (1 << 3)
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int mmu_init(unsigned int pgt_offset);
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void mmu_set(uint32 start, uint32 size, uint32 attrib);
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int mmu_cache_enable(void);
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int mmu_cache_disable(void);
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int cache_flush_all(void);
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#endif /* MMUH */
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