[U-Boot,1/3] ARM: rcar_gen3: fix protection area access error at Cortex-A53

Message ID 20181207151429.5172-1-marek.vasut+renesas@gmail.com
State Accepted
Commit 23b9b36ae39ab3fb6987d1994bf8ab47d449b566
Delegated to: Marek Vasut
Headers show
Series
  • [U-Boot,1/3] ARM: rcar_gen3: fix protection area access error at Cortex-A53
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Commit Message

Marek Vasut Dec. 7, 2018, 3:14 p.m.
From: Hiroyuki Yokoyama <hiroyuki.yokoyama.vx@renesas.com>

This patch fixes the problem that "main memory domain AXI secure
access protection error" occurs when booting Cortex-A53. Exclude
the area (0x43f00000 to 0x47DFFFFF) set by DBSC from the map area.

Signed-off-by: Hiroyuki Yokoyama <hiroyuki.yokoyama.vx@renesas.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
---
 arch/arm/mach-rmobile/memmap-gen3.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

Patch

diff --git a/arch/arm/mach-rmobile/memmap-gen3.c b/arch/arm/mach-rmobile/memmap-gen3.c
index 7e29ccc351..0429a2ac51 100644
--- a/arch/arm/mach-rmobile/memmap-gen3.c
+++ b/arch/arm/mach-rmobile/memmap-gen3.c
@@ -21,7 +21,13 @@  static struct mm_region gen3_mem_map[GEN3_NR_REGIONS] = {
 	}, {
 		.virt = 0x40000000UL,
 		.phys = 0x40000000UL,
-		.size = 0x80000000UL,
+		.size = 0x03F00000UL,
+		.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+			 PTE_BLOCK_INNER_SHARE
+	}, {
+		.virt = 0x47E00000UL,
+		.phys = 0x47E00000UL,
+		.size = 0x78200000UL,
 		.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
 			 PTE_BLOCK_INNER_SHARE
 	}, {