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ARM: rmobile: Mark 4-64GiB as DRAM on Gen3

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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>
This commit is contained in:
Marek Vasut 2018-10-02 21:42:49 +02:00 • committed by Marek Vasut
parent 6f031302a0
commit c1ec347638
1 changed files with 6 additions and 0 deletions
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6
arch/arm/mach-rmobile/memmap-gen3.c
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@ -29,6 +29,12 @@ static struct mm_region gen3_mem_map[] = {
.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
PTE_BLOCK_NON_SHARE |
PTE_BLOCK_PXN | PTE_BLOCK_UXN
}, {
.virt = 0x100000000UL,
.phys = 0x100000000UL,
.size = 0xf00000000UL,
.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
PTE_BLOCK_INNER_SHARE
}, {
/* List terminator */
0,