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With adding instruction cache and data cache and a write buffer to reduce the effect of main memory bandwidth and latency on data access performance. Signed-off-by: Anand Moon --- [0] http://www.rock-chips.com/uploads/pdf/2022.8.26/191/RK3568%20Brief%20Datasheet.pdf [1] https://dl.radxa.com/rock3/docs/hw/datasheet/Rockchip%20RK3568%20TRM%20Part1%20V1.1-20210301.pdf --- arch/arm64/boot/dts/rockchip/rk356x.dtsi | 37 ++++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk356x.dtsi b/arch/arm64/boot/dts/rockchip/rk356x.dtsi index c19c0f1b3778..49235efefb6b 100644 --- a/arch/arm64/boot/dts/rockchip/rk356x.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk356x.dtsi @@ -56,6 +56,13 @@ cpu0: cpu@0 { clocks = <&scmi_clk 0>; #cooling-cells = <2>; enable-method = "psci"; + d-cache-line-size = <32>; + d-cache-size = <0x8000>; + d-cache-sets = <32>; + i-cache-line-size = <32>; + i-cache-size = <0x8000>; + i-cache-sets = <32>; + next-level-cache = <&l2>; operating-points-v2 = <&cpu0_opp_table>; }; @@ -65,6 +72,13 @@ cpu1: cpu@100 { reg = <0x0 0x100>; #cooling-cells = <2>; enable-method = "psci"; + d-cache-line-size = <32>; + d-cache-size = <0x8000>; + d-cache-sets = <32>; + i-cache-line-size = <32>; + i-cache-size = <0x8000>; + i-cache-sets = <32>; + next-level-cache = <&l2>; operating-points-v2 = <&cpu0_opp_table>; }; @@ -74,6 +88,13 @@ cpu2: cpu@200 { reg = <0x0 0x200>; #cooling-cells = <2>; enable-method = "psci"; + d-cache-line-size = <32>; + d-cache-size = <0x8000>; + d-cache-sets = <32>; + i-cache-line-size = <32>; + i-cache-size = <0x8000>; + i-cache-sets = <32>; + next-level-cache = <&l2>; operating-points-v2 = <&cpu0_opp_table>; }; @@ -83,8 +104,24 @@ cpu3: cpu@300 { reg = <0x0 0x300>; #cooling-cells = <2>; enable-method = "psci"; + d-cache-line-size = <32>; + d-cache-size = <0x8000>; + d-cache-sets = <32>; + i-cache-line-size = <32>; + i-cache-size = <0x8000>; + i-cache-sets = <32>; + next-level-cache = <&l2>; operating-points-v2 = <&cpu0_opp_table>; }; + + l2: l2-cache0 { + compatible = "cache"; + cache-level = <3>; + cache-unified; + cache-size = <0x7d000>; /* L3. 512 KB */ + cache-line-size = <64>; + cache-sets = <512>; + }; }; cpu0_opp_table: opp-table-0 {