[PATCH 2/3] ARM: dts: microchip: sama5d3: Update the cache configuration for CPU
Mihai Sain
mihai.sain at microchip.com
Tue Jun 24 23:49:33 PDT 2025
Add the memory size properties for L1 according with block
diagram from datasheet:
- L1 cache configuration with 32 KB for both data and instruction cache.
[root at sama5d3 ~]$ lscpu
Architecture: armv7l
Byte Order: Little Endian
CPU(s): 1
On-line CPU(s) list: 0
Vendor ID: ARM
Model name: Cortex-A5
Caches (sum of all):
L1d: 32 KiB (1 instance)
L1i: 32 KiB (1 instance)
Signed-off-by: Mihai Sain <mihai.sain at microchip.com>
---
arch/arm/boot/dts/microchip/sama5d3.dtsi | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm/boot/dts/microchip/sama5d3.dtsi b/arch/arm/boot/dts/microchip/sama5d3.dtsi
index e95799c17fdb..00ba59ac1968 100644
--- a/arch/arm/boot/dts/microchip/sama5d3.dtsi
+++ b/arch/arm/boot/dts/microchip/sama5d3.dtsi
@@ -48,6 +48,8 @@ cpu at 0 {
device_type = "cpu";
compatible = "arm,cortex-a5";
reg = <0x0>;
+ d-cache-size = <0x8000>; // L1, 32 KB
+ i-cache-size = <0x8000>; // L1, 32 KB
};
};
--
2.50.0
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