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ARM: rcar_gen3: fix protection area access error

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This patch fixes the problem that "main memory domain AXI secure access
protection error" occurs. Exclude the area (0x43f00000 to 0x47DFFFFF)
set by DBSC from the map area.

Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
Signed-off-by: Hiroyuki Yokoyama <hiroyuki.yokoyama.vx@renesas.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
This commit is contained in:
Takeshi Kihara 2018-12-04 12:51:01 +09:00 committed by Marek Vasut
parent 23b9b36ae3
commit 10854bcc25
1 changed files with 10 additions and 2 deletions
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12
arch/arm/mach-rmobile/memmap-gen3.c
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@ -82,8 +82,16 @@ void enable_caches(void)
/* Mark memory reserved by ATF as cacheable too. */
if (start == 0x48000000) {
start = 0x40000000ULL;
size += 0x08000000ULL;
/* Unmark protection area (0x43F00000 to 0x47DFFFFF) */
gen3_mem_map[i].virt = 0x40000000ULL;
gen3_mem_map[i].phys = 0x40000000ULL;
gen3_mem_map[i].size = 0x03F00000ULL;
gen3_mem_map[i].attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
PTE_BLOCK_INNER_SHARE;
i++;
start = 0x47E00000ULL;
size += 0x00200000ULL;
}
gen3_mem_map[i].virt = start;