diff options
| author | Nishanth Menon <nm@ti.com> | 2021-11-12 22:36:39 -0600 |
|---|---|---|
| committer | Vignesh Raghavendra <vigneshr@ti.com> | 2021-12-03 17:19:55 +0530 |
| commit | e9ba3a5bc6fdc2c796c69fdaf5ed6c9957cf9f9d (patch) | |
| tree | cd8363433c3102d7ec52c74e16a4c91654eb80c9 /arch/arm64/boot/dts/ti | |
| parent | d0c826106f3fc11ff97285102b576b65576654ae (diff) | |
arm64: dts: ti: k3-j721e: Fix the L2 cache sets
A72's L2 cache[1] on J721e[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] http://www.ti.com/lit/pdf/spruil1
Fixes: 2d87061e70de ("arm64: dts: ti: Add Support for J721E 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/20211113043639.4413-1-nm@ti.com
Diffstat (limited to 'arch/arm64/boot/dts/ti')
| -rw-r--r-- | arch/arm64/boot/dts/ti/k3-j721e.dtsi | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm64/boot/dts/ti/k3-j721e.dtsi b/arch/arm64/boot/dts/ti/k3-j721e.dtsi index a5967ba139d7..4a3872fce533 100644 --- a/arch/arm64/boot/dts/ti/k3-j721e.dtsi +++ b/arch/arm64/boot/dts/ti/k3-j721e.dtsi @@ -88,7 +88,7 @@ cache-level = <2>; cache-size = <0x100000>; cache-line-size = <64>; - cache-sets = <2048>; + cache-sets = <1024>; next-level-cache = <&msmc_l3>; }; |