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authorMihai Sain <mihai.sain@microchip.com>2025-06-25 09:49:32 +0300
committerClaudiu Beznea <claudiu.beznea@tuxon.dev>2025-07-05 10:37:28 +0300
commitab435d1265e9667c49b91210ef1162a9fb928580 (patch)
tree6089def85c18bd90cc046549c6fae01f163a7741
parent7360dab3beadeeea48c2c314d48a290cb7a22398 (diff)
ARM: dts: microchip: sama5d2: Update the cache configuration for CPU
Add the memory size properties for L1 and L2 according with block diagram from datasheet: - L1 cache configuration with 32 KB for both data and instruction cache. - L2 cache configuration with 128 KB unified cache. [root@sama5d2 ~]$ 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) L2: 128 KiB (1 instance) Signed-off-by: Mihai Sain <mihai.sain@microchip.com> Link: https://lore.kernel.org/r/20250625064934.4828-2-mihai.sain@microchip.com Signed-off-by: Claudiu Beznea <claudiu.beznea@tuxon.dev>
-rw-r--r--arch/arm/boot/dts/microchip/sama5d2.dtsi3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/microchip/sama5d2.dtsi b/arch/arm/boot/dts/microchip/sama5d2.dtsi
index dc22fb679333..17430d7f2055 100644
--- a/arch/arm/boot/dts/microchip/sama5d2.dtsi
+++ b/arch/arm/boot/dts/microchip/sama5d2.dtsi
@@ -32,6 +32,8 @@
device_type = "cpu";
compatible = "arm,cortex-a5";
reg = <0>;
+ d-cache-size = <0x8000>; // L1, 32 KB
+ i-cache-size = <0x8000>; // L1, 32 KB
next-level-cache = <&L2>;
};
};
@@ -160,6 +162,7 @@
interrupts = <63 IRQ_TYPE_LEVEL_HIGH 4>;
cache-unified;
cache-level = <2>;
+ cache-size = <0x20000>; // L2, 128 KB
};
ebi: ebi@10000000 {