From: Nishanth Menon <nm@xxxxxx> [ Upstream commit a27a93bf70045be54b594fa8482959ffb84166d7 ] A53's L2 cache[1] on AM642[2] is 256KB. A53's L2 is fixed line length of 64 bytes and 16-way set-associative cache structure. 256KB of L2 / 64 (line length) = 4096 ways 4096 ways / 16 = 256 sets Fix the l2 cache-sets. [1] https://developer.arm.com/documentation/ddi0500/j/Level-2-Memory-System/About-the-L2-memory-system?lang=en [2] https://www.ti.com/lit/pdf/spruim2 Fixes: 8abae9389bdb ("arm64: dts: ti: Add support for AM642 SoC") Reported-by: Peng Fan <peng.fan@xxxxxxx> Signed-off-by: Nishanth Menon <nm@xxxxxx> Reviewed-by: Pratyush Yadav <p.yadav@xxxxxx> Signed-off-by: Vignesh Raghavendra <vigneshr@xxxxxx> Link: https://lore.kernel.org/r/20211113043635.4296-1-nm@xxxxxx Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- arch/arm64/boot/dts/ti/k3-am642.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/ti/k3-am642.dtsi b/arch/arm64/boot/dts/ti/k3-am642.dtsi index e2b397c884018..8a76f4821b11b 100644 --- a/arch/arm64/boot/dts/ti/k3-am642.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am642.dtsi @@ -60,6 +60,6 @@ cache-level = <2>; cache-size = <0x40000>; cache-line-size = <64>; - cache-sets = <512>; + cache-sets = <256>; }; }; -- 2.34.1
