u-boot/arch/arm/mach-uniphier/arm64/mem_map.c

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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2016 Masahiro Yamada <yamada.masahiro@socionext.com>
*/
#include <linux/types.h>
#include <asm/armv8/mmu.h>
#include "../init.h"
static struct mm_region uniphier_mem_map[] = {
{
.virt = 0x00000000,
.phys = 0x00000000,
.size = 0x80000000,
.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
PTE_BLOCK_NON_SHARE |
PTE_BLOCK_PXN | PTE_BLOCK_UXN
},
{
.virt = 0x80000000,
.phys = 0x80000000,
.size = 0xc0000000,
.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
PTE_BLOCK_INNER_SHARE
},
{ /* sentinel */ }
};
struct mm_region *mem_map = uniphier_mem_map;
void uniphier_mem_map_init(unsigned long dram_base, unsigned long dram_size)
{
uniphier_mem_map[0].size = dram_base;
uniphier_mem_map[1].virt = dram_base;
uniphier_mem_map[1].phys = dram_base;
uniphier_mem_map[1].size = dram_size;
}