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https://github.com/brain-hackers/u-boot-brain
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34e29f7d94
Currently, mem_map is hard-coded, and it worked well until the last SoC. For a planned new SoC, the addresses of peripherals and DRAM will be changed. Set it up run-time. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
40 lines
888 B
C
40 lines
888 B
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2016 Masahiro Yamada <yamada.masahiro@socionext.com>
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*/
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#include <common.h>
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#include <linux/types.h>
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#include <asm/armv8/mmu.h>
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#include "../init.h"
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static struct mm_region uniphier_mem_map[] = {
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{
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.virt = 0x00000000,
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.phys = 0x00000000,
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.size = 0x80000000,
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.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
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PTE_BLOCK_NON_SHARE |
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PTE_BLOCK_PXN | PTE_BLOCK_UXN
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},
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{
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.virt = 0x80000000,
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.phys = 0x80000000,
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.size = 0xc0000000,
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.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
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PTE_BLOCK_INNER_SHARE
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},
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{ /* sentinel */ }
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};
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struct mm_region *mem_map = uniphier_mem_map;
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void uniphier_mem_map_init(unsigned long dram_base, unsigned long dram_size)
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{
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uniphier_mem_map[0].size = dram_base;
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uniphier_mem_map[1].virt = dram_base;
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uniphier_mem_map[1].phys = dram_base;
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uniphier_mem_map[1].size = dram_size;
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}
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