From: Takeshi Kihara <takeshi.kihara...@renesas.com>
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...@renesas.com>
Signed-off-by: Hiroyuki Yokoyama <hiroyuki.yokoyama...@renesas.com>
Signed-off-by: Marek Vasut <marek.vasut+rene...@gmail.com>
---
arch/arm/mach-rmobile/memmap-gen3.c | 12 ++++++++++--
1 file 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;
--
2.18.0
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