[PATCH 2/2] ARM: dts: at91: sama5d2: map securam as device

Claudiu Beznea claudiu.beznea at microchip.com
Wed Dec 2 04:57:05 EST 2020


Due to strobe signal not being propagated from CPU to securam
the securam needs to be mapped as device or strongly ordered memory
to work properly. Otherwise, updating to one offset may affect
the adjacent locations in securam.

Fixes: d4ce5f44d4409 ("ARM: dts: at91: sama5d2: Add securam node")
Signed-off-by: Claudiu Beznea <claudiu.beznea at microchip.com>
---
 arch/arm/boot/dts/sama5d2.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/boot/dts/sama5d2.dtsi b/arch/arm/boot/dts/sama5d2.dtsi
index 2ddc85dff8ce..6d399ac0385d 100644
--- a/arch/arm/boot/dts/sama5d2.dtsi
+++ b/arch/arm/boot/dts/sama5d2.dtsi
@@ -656,6 +656,7 @@
 				clocks = <&pmc PMC_TYPE_PERIPHERAL 51>;
 				#address-cells = <1>;
 				#size-cells = <1>;
+				no-memory-wc;
 				ranges = <0 0xf8044000 0x1420>;
 			};
 
-- 
2.7.4




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