arm64: dts: ti: k3-j7200: Fix the L2 cache sets

A72's L2 cache[1] on J7200[2] is 1MB. A72's L2 is fixed line length of
64 bytes and 16-way set-associative cache structure.

1MB of L2 / 64 (line length) = 16384 ways
16384 ways / 16 = 1024 sets

Fix the l2 cache-sets.

[1] https://developer.arm.com/documentation/100095/0003/Level-2-Memory-System/About-the-L2-memory-system
[2] https://www.ti.com/lit/pdf/spruiu1

Fixes: d361ed88455f ("arm64: dts: ti: Add support for J7200 SoC")
Reported-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Pratyush Yadav <p.yadav@ti.com>
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Link: https://lore.kernel.org/r/20211113043638.4358-1-nm@ti.com

diff --git a/arch/arm64/boot/dts/ti/k3-j7200.dtsi b/arch/arm64/boot/dts/ti/k3-j7200.dtsi
index 47567cb260c2ba2fc53993c2667d04ef488ea560..a99a4d305b7ec57f05bf4a3b38ee7bec5a8e2109 100644 (file)
--- a/arch/arm64/boot/dts/ti/k3-j7200.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j7200.dtsi
@@ -86,7 +86,7 @@
                cache-level = <2>;
                cache-size = <0x100000>;
                cache-line-size = <64>;
-               cache-sets = <2048>;
+               cache-sets = <1024>;
                next-level-cache = <&msmc_l3>;
        };