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https://github.com/brain-hackers/u-boot-brain
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c1ec347638
Mark area 0x1_0000_0000 - 0x10_0000_0000 as DRAM on Gen3 as the chip is capable of addressing that and U-Boot can make use of it. This patch prevents exception when accessing those areas. Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com> Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
45 lines
972 B
C
45 lines
972 B
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Renesas RCar Gen3 memory map tables
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*
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* Copyright (C) 2017 Marek Vasut <marek.vasut@gmail.com>
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*/
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#include <common.h>
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#include <asm/armv8/mmu.h>
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static struct mm_region gen3_mem_map[] = {
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{
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.virt = 0x0UL,
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.phys = 0x0UL,
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.size = 0x40000000UL,
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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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.virt = 0x40000000UL,
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.phys = 0x40000000UL,
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.size = 0x80000000UL,
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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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.virt = 0xc0000000UL,
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.phys = 0xc0000000UL,
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.size = 0x40000000UL,
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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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.virt = 0x100000000UL,
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.phys = 0x100000000UL,
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.size = 0xf00000000UL,
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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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/* List terminator */
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0,
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}
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};
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struct mm_region *mem_map = gen3_mem_map;
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