diff options
| author | Mihai Sain <mihai.sain@microchip.com> | 2025-06-25 09:49:34 +0300 |
|---|---|---|
| committer | Claudiu Beznea <claudiu.beznea@tuxon.dev> | 2025-07-05 10:37:29 +0300 |
| commit | 1e2e0ed390cc3c074817b2026a59da008b6cd2a6 (patch) | |
| tree | 7675cc95391be6fe3ba371ae7a0cec7ae048de47 | |
| parent | 31a820245903f75e6f5d908561fe5d3eab94f057 (diff) | |
ARM: dts: microchip: sama5d4: 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@sama5d4 ~]$ 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/20250625064934.4828-4-mihai.sain@microchip.com
Signed-off-by: Claudiu Beznea <claudiu.beznea@tuxon.dev>
| -rw-r--r-- | arch/arm/boot/dts/microchip/sama5d4.dtsi | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/microchip/sama5d4.dtsi b/arch/arm/boot/dts/microchip/sama5d4.dtsi index 59a7d557c7cb..ec1d68c640de 100644 --- a/arch/arm/boot/dts/microchip/sama5d4.dtsi +++ b/arch/arm/boot/dts/microchip/sama5d4.dtsi @@ -50,6 +50,8 @@ 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>; }; }; @@ -143,6 +145,7 @@ interrupts = <67 IRQ_TYPE_LEVEL_HIGH 4>; cache-unified; cache-level = <2>; + cache-size = <0x20000>; // L2, 128 KB }; ebi: ebi@10000000 { |