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authorTakeshi Kihara <takeshi.kihara.df@renesas.com>2018-12-04 12:51:01 +0900
committerMarek Vasut <marex@denx.de>2018-12-07 16:31:15 +0100
commit10854bcc25e1375e472a9bda73406a15b79600a4 (patch)
treeff5c2e1c2f86cb39e9e8ada8e926528863b4a86e /arch/arm/mach-rmobile
parent23b9b36ae39ab3fb6987d1994bf8ab47d449b566 (diff)
ARM: rcar_gen3: fix protection area access error
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>
Diffstat (limited to 'arch/arm/mach-rmobile')
-rw-r--r--arch/arm/mach-rmobile/memmap-gen3.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/arch/arm/mach-rmobile/memmap-gen3.c b/arch/arm/mach-rmobile/memmap-gen3.c
index 0429a2ac51..3c0f3548cb 100644
--- a/arch/arm/mach-rmobile/memmap-gen3.c
+++ b/arch/arm/mach-rmobile/memmap-gen3.c
@@ -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;