arch/arm64/boot/dts/xilinx/versal-net.dtsi | 408 +++++++++++++++++++++ 1 file changed, 408 insertions(+)
Add missing cache layout description.
Signed-off-by: Michal Simek <michal.simek@amd.com>
---
Changes in v2:
- Also describe L1 caches
- Add L1 to subject too
v1:
https://lore.kernel.org/r/f2ee23526349a0674149c969a2176c906e529402.1756825388.git.michal.simek@amd.com
> lscpu --cache
NAME ONE-SIZE ALL-SIZE WAYS TYPE LEVEL SETS PHY-LINE COHERENCY-SIZE
L1d 64K 1M 4 Data 1 256 64
L1i 64K 1M 4 Instruction 1 256 64
L2 512K 8M 8 Unified 2 1024 64
L3 2M 8M 16 Unified 3 2048 64
L4 16M 16M Unified 4
---
arch/arm64/boot/dts/xilinx/versal-net.dtsi | 408 +++++++++++++++++++++
1 file changed, 408 insertions(+)
diff --git a/arch/arm64/boot/dts/xilinx/versal-net.dtsi b/arch/arm64/boot/dts/xilinx/versal-net.dtsi
index c037a7819967..412af9a394aa 100644
--- a/arch/arm64/boot/dts/xilinx/versal-net.dtsi
+++ b/arch/arm64/boot/dts/xilinx/versal-net.dtsi
@@ -104,6 +104,28 @@ cpu0: cpu@0 {
reg = <0>;
operating-points-v2 = <&cpu_opp_table>;
cpu-idle-states = <&CPU_SLEEP_0>;
+ d-cache-size = <0x10000>; /* 64kB */
+ d-cache-line-size = <64>;
+ /* 4 ways set associativity */
+ /* cache_size / (line_size / associativity) */
+ d-cache-sets = <256>;
+ i-cache-size = <0x10000>; /* 64kB */
+ i-cache-line-size = <64>;
+ /* 4 ways set associativity */
+ /* cache_size / (line_size / associativity) */
+ i-cache-sets = <256>;
+ next-level-cache = <&l2_00>;
+ l2_00: l2-cache {
+ compatible = "cache";
+ cache-level = <2>;
+ cache-size = <0x80000>; /* 512kB */
+ cache-line-size = <64>;
+ /* 8 ways set associativity */
+ /* cache_size / (line_size/associativity) */
+ cache-sets = <1024>;
+ cache-unified;
+ next-level-cache = <&l3_0>;
+ };
};
cpu100: cpu@100 {
compatible = "arm,cortex-a78";
@@ -112,6 +134,28 @@ cpu100: cpu@100 {
reg = <0x100>;
operating-points-v2 = <&cpu_opp_table>;
cpu-idle-states = <&CPU_SLEEP_0>;
+ d-cache-size = <0x10000>; /* 64kB */
+ d-cache-line-size = <64>;
+ /* 4 ways set associativity */
+ /* cache_size / (line_size / associativity) */
+ d-cache-sets = <256>;
+ i-cache-size = <0x10000>; /* 64kB */
+ i-cache-line-size = <64>;
+ /* 4 ways set associativity */
+ /* cache_size / (line_size / associativity) */
+ i-cache-sets = <256>;
+ next-level-cache = <&l2_01>;
+ l2_01: l2-cache {
+ compatible = "cache";
+ cache-level = <2>;
+ cache-size = <0x80000>; /* 512kB */
+ cache-line-size = <64>;
+ /* 8 ways set associativity */
+ /* cache_size / (line_size/associativity) */
+ cache-sets = <1024>;
+ cache-unified;
+ next-level-cache = <&l3_0>;
+ };
};
cpu200: cpu@200 {
compatible = "arm,cortex-a78";
@@ -120,6 +164,28 @@ cpu200: cpu@200 {
reg = <0x200>;
operating-points-v2 = <&cpu_opp_table>;
cpu-idle-states = <&CPU_SLEEP_0>;
+ d-cache-size = <0x10000>; /* 64kB */
+ d-cache-line-size = <64>;
+ /* 4 ways set associativity */
+ /* cache_size / (line_size / associativity) */
+ d-cache-sets = <256>;
+ i-cache-size = <0x10000>; /* 64kB */
+ i-cache-line-size = <64>;
+ /* 4 ways set associativity */
+ /* cache_size / (line_size / associativity) */
+ i-cache-sets = <256>;
+ next-level-cache = <&l2_02>;
+ l2_02: l2-cache {
+ compatible = "cache";
+ cache-level = <2>;
+ cache-size = <0x80000>; /* 512kB */
+ cache-line-size = <64>;
+ /* 8 ways set associativity */
+ /* cache_size / (line_size/associativity) */
+ cache-sets = <1024>;
+ cache-unified;
+ next-level-cache = <&l3_0>;
+ };
};
cpu300: cpu@300 {
compatible = "arm,cortex-a78";
@@ -128,6 +194,28 @@ cpu300: cpu@300 {
reg = <0x300>;
operating-points-v2 = <&cpu_opp_table>;
cpu-idle-states = <&CPU_SLEEP_0>;
+ d-cache-size = <0x10000>; /* 64kB */
+ d-cache-line-size = <64>;
+ /* 4 ways set associativity */
+ /* cache_size / (line_size / associativity) */
+ d-cache-sets = <256>;
+ i-cache-size = <0x10000>; /* 64kB */
+ i-cache-line-size = <64>;
+ /* 4 ways set associativity */
+ /* cache_size / (line_size / associativity) */
+ i-cache-sets = <256>;
+ next-level-cache = <&l2_03>;
+ l2_03: l2-cache {
+ compatible = "cache";
+ cache-level = <2>;
+ cache-size = <0x80000>; /* 512kB */
+ cache-line-size = <64>;
+ /* 8 ways set associativity */
+ /* cache_size / (line_size/associativity) */
+ cache-sets = <1024>;
+ cache-unified;
+ next-level-cache = <&l3_0>;
+ };
};
cpu10000: cpu@10000 {
compatible = "arm,cortex-a78";
@@ -136,6 +224,28 @@ cpu10000: cpu@10000 {
reg = <0x10000>;
operating-points-v2 = <&cpu_opp_table>;
cpu-idle-states = <&CPU_SLEEP_0>;
+ d-cache-size = <0x10000>; /* 64kB */
+ d-cache-line-size = <64>;
+ /* 4 ways set associativity */
+ /* cache_size / (line_size / associativity) */
+ d-cache-sets = <256>;
+ i-cache-size = <0x10000>; /* 64kB */
+ i-cache-line-size = <64>;
+ /* 4 ways set associativity */
+ /* cache_size / (line_size / associativity) */
+ i-cache-sets = <256>;
+ next-level-cache = <&l2_10>;
+ l2_10: l2-cache {
+ compatible = "cache";
+ cache-level = <2>;
+ cache-size = <0x80000>; /* 512kB */
+ cache-line-size = <64>;
+ /* 8 ways set associativity */
+ /* cache_size / (line_size/associativity) */
+ cache-sets = <1024>;
+ cache-unified;
+ next-level-cache = <&l3_1>;
+ };
};
cpu10100: cpu@10100 {
compatible = "arm,cortex-a78";
@@ -144,6 +254,28 @@ cpu10100: cpu@10100 {
reg = <0x10100>;
operating-points-v2 = <&cpu_opp_table>;
cpu-idle-states = <&CPU_SLEEP_0>;
+ d-cache-size = <0x10000>; /* 64kB */
+ d-cache-line-size = <64>;
+ /* 4 ways set associativity */
+ /* cache_size / (line_size / associativity) */
+ d-cache-sets = <256>;
+ i-cache-size = <0x10000>; /* 64kB */
+ i-cache-line-size = <64>;
+ /* 4 ways set associativity */
+ /* cache_size / (line_size / associativity) */
+ i-cache-sets = <256>;
+ next-level-cache = <&l2_11>;
+ l2_11: l2-cache {
+ compatible = "cache";
+ cache-level = <2>;
+ cache-size = <0x80000>; /* 512kB */
+ cache-line-size = <64>;
+ /* 8 ways set associativity */
+ /* cache_size / (line_size/associativity) */
+ cache-sets = <1024>;
+ cache-unified;
+ next-level-cache = <&l3_1>;
+ };
};
cpu10200: cpu@10200 {
compatible = "arm,cortex-a78";
@@ -152,6 +284,28 @@ cpu10200: cpu@10200 {
reg = <0x10200>;
operating-points-v2 = <&cpu_opp_table>;
cpu-idle-states = <&CPU_SLEEP_0>;
+ d-cache-size = <0x10000>; /* 64kB */
+ d-cache-line-size = <64>;
+ /* 4 ways set associativity */
+ /* cache_size / (line_size / associativity) */
+ d-cache-sets = <256>;
+ i-cache-size = <0x10000>; /* 64kB */
+ i-cache-line-size = <64>;
+ /* 4 ways set associativity */
+ /* cache_size / (line_size / associativity) */
+ i-cache-sets = <256>;
+ next-level-cache = <&l2_12>;
+ l2_12: l2-cache {
+ compatible = "cache";
+ cache-level = <2>;
+ cache-size = <0x80000>; /* 512kB */
+ cache-line-size = <64>;
+ /* 8 ways set associativity */
+ /* cache_size / (line_size/associativity) */
+ cache-sets = <1024>;
+ cache-unified;
+ next-level-cache = <&l3_1>;
+ };
};
cpu10300: cpu@10300 {
compatible = "arm,cortex-a78";
@@ -160,6 +314,28 @@ cpu10300: cpu@10300 {
reg = <0x10300>;
operating-points-v2 = <&cpu_opp_table>;
cpu-idle-states = <&CPU_SLEEP_0>;
+ d-cache-size = <0x10000>; /* 64kB */
+ d-cache-line-size = <64>;
+ /* 4 ways set associativity */
+ /* cache_size / (line_size / associativity) */
+ d-cache-sets = <256>;
+ i-cache-size = <0x10000>; /* 64kB */
+ i-cache-line-size = <64>;
+ /* 4 ways set associativity */
+ /* cache_size / (line_size / associativity) */
+ i-cache-sets = <256>;
+ next-level-cache = <&l2_13>;
+ l2_13: l2-cache {
+ compatible = "cache";
+ cache-level = <2>;
+ cache-size = <0x80000>; /* 512kB */
+ cache-line-size = <64>;
+ /* 8 ways set associativity */
+ /* cache_size / (line_size/associativity) */
+ cache-sets = <1024>;
+ cache-unified;
+ next-level-cache = <&l3_1>;
+ };
};
cpu20000: cpu@20000 {
compatible = "arm,cortex-a78";
@@ -168,6 +344,28 @@ cpu20000: cpu@20000 {
reg = <0x20000>;
operating-points-v2 = <&cpu_opp_table>;
cpu-idle-states = <&CPU_SLEEP_0>;
+ d-cache-size = <0x10000>; /* 64kB */
+ d-cache-line-size = <64>;
+ /* 4 ways set associativity */
+ /* cache_size / (line_size / associativity) */
+ d-cache-sets = <256>;
+ i-cache-size = <0x10000>; /* 64kB */
+ i-cache-line-size = <64>;
+ /* 4 ways set associativity */
+ /* cache_size / (line_size / associativity) */
+ i-cache-sets = <256>;
+ next-level-cache = <&l2_20>;
+ l2_20: l2-cache {
+ compatible = "cache";
+ cache-level = <2>;
+ cache-size = <0x80000>; /* 512kB */
+ cache-line-size = <64>;
+ /* 8 ways set associativity */
+ /* cache_size / (line_size/associativity) */
+ cache-sets = <1024>;
+ cache-unified;
+ next-level-cache = <&l3_2>;
+ };
};
cpu20100: cpu@20100 {
compatible = "arm,cortex-a78";
@@ -176,6 +374,28 @@ cpu20100: cpu@20100 {
reg = <0x20100>;
operating-points-v2 = <&cpu_opp_table>;
cpu-idle-states = <&CPU_SLEEP_0>;
+ d-cache-size = <0x10000>; /* 64kB */
+ d-cache-line-size = <64>;
+ /* 4 ways set associativity */
+ /* cache_size / (line_size / associativity) */
+ d-cache-sets = <256>;
+ i-cache-size = <0x10000>; /* 64kB */
+ i-cache-line-size = <64>;
+ /* 4 ways set associativity */
+ /* cache_size / (line_size / associativity) */
+ i-cache-sets = <256>;
+ next-level-cache = <&l2_21>;
+ l2_21: l2-cache {
+ compatible = "cache";
+ cache-level = <2>;
+ cache-size = <0x80000>; /* 512kB */
+ cache-line-size = <64>;
+ /* 8 ways set associativity */
+ /* cache_size / (line_size/associativity) */
+ cache-sets = <1024>;
+ cache-unified;
+ next-level-cache = <&l3_2>;
+ };
};
cpu20200: cpu@20200 {
compatible = "arm,cortex-a78";
@@ -184,6 +404,28 @@ cpu20200: cpu@20200 {
reg = <0x20200>;
operating-points-v2 = <&cpu_opp_table>;
cpu-idle-states = <&CPU_SLEEP_0>;
+ d-cache-size = <0x10000>; /* 64kB */
+ d-cache-line-size = <64>;
+ /* 4 ways set associativity */
+ /* cache_size / (line_size / associativity) */
+ d-cache-sets = <256>;
+ i-cache-size = <0x10000>; /* 64kB */
+ i-cache-line-size = <64>;
+ /* 4 ways set associativity */
+ /* cache_size / (line_size / associativity) */
+ i-cache-sets = <256>;
+ next-level-cache = <&l2_22>;
+ l2_22: l2-cache {
+ compatible = "cache";
+ cache-level = <2>;
+ cache-size = <0x80000>; /* 512kB */
+ cache-line-size = <64>;
+ /* 8 ways set associativity */
+ /* cache_size / (line_size/associativity) */
+ cache-sets = <1024>;
+ cache-unified;
+ next-level-cache = <&l3_2>;
+ };
};
cpu20300: cpu@20300 {
compatible = "arm,cortex-a78";
@@ -192,6 +434,28 @@ cpu20300: cpu@20300 {
reg = <0x20300>;
operating-points-v2 = <&cpu_opp_table>;
cpu-idle-states = <&CPU_SLEEP_0>;
+ d-cache-size = <0x10000>; /* 64kB */
+ d-cache-line-size = <64>;
+ /* 4 ways set associativity */
+ /* cache_size / (line_size / associativity) */
+ d-cache-sets = <256>;
+ i-cache-size = <0x10000>; /* 64kB */
+ i-cache-line-size = <64>;
+ /* 4 ways set associativity */
+ /* cache_size / (line_size / associativity) */
+ i-cache-sets = <256>;
+ next-level-cache = <&l2_23>;
+ l2_23: l2-cache {
+ compatible = "cache";
+ cache-level = <2>;
+ cache-size = <0x80000>; /* 512kB */
+ cache-line-size = <64>;
+ /* 8 ways set associativity */
+ /* cache_size / (line_size/associativity) */
+ cache-sets = <1024>;
+ cache-unified;
+ next-level-cache = <&l3_2>;
+ };
};
cpu30000: cpu@30000 {
compatible = "arm,cortex-a78";
@@ -200,6 +464,28 @@ cpu30000: cpu@30000 {
reg = <0x30000>;
operating-points-v2 = <&cpu_opp_table>;
cpu-idle-states = <&CPU_SLEEP_0>;
+ d-cache-size = <0x10000>; /* 64kB */
+ d-cache-line-size = <64>;
+ /* 4 ways set associativity */
+ /* cache_size / (line_size / associativity) */
+ d-cache-sets = <256>;
+ i-cache-size = <0x10000>; /* 64kB */
+ i-cache-line-size = <64>;
+ /* 4 ways set associativity */
+ /* cache_size / (line_size / associativity) */
+ i-cache-sets = <256>;
+ next-level-cache = <&l2_30>;
+ l2_30: l2-cache {
+ compatible = "cache";
+ cache-level = <2>;
+ cache-size = <0x80000>; /* 512kB */
+ cache-line-size = <64>;
+ /* 8 ways set associativity */
+ /* cache_size / (line_size/associativity) */
+ cache-sets = <1024>;
+ cache-unified;
+ next-level-cache = <&l3_3>;
+ };
};
cpu30100: cpu@30100 {
compatible = "arm,cortex-a78";
@@ -208,6 +494,28 @@ cpu30100: cpu@30100 {
reg = <0x30100>;
operating-points-v2 = <&cpu_opp_table>;
cpu-idle-states = <&CPU_SLEEP_0>;
+ d-cache-size = <0x10000>; /* 64kB */
+ d-cache-line-size = <64>;
+ /* 4 ways set associativity */
+ /* cache_size / (line_size / associativity) */
+ d-cache-sets = <256>;
+ i-cache-size = <0x10000>; /* 64kB */
+ i-cache-line-size = <64>;
+ /* 4 ways set associativity */
+ /* cache_size / (line_size / associativity) */
+ i-cache-sets = <256>;
+ next-level-cache = <&l2_31>;
+ l2_31: l2-cache {
+ compatible = "cache";
+ cache-level = <2>;
+ cache-size = <0x80000>; /* 512kB */
+ cache-line-size = <64>;
+ /* 8 ways set associativity */
+ /* cache_size / (line_size/associativity) */
+ cache-sets = <1024>;
+ cache-unified;
+ next-level-cache = <&l3_3>;
+ };
};
cpu30200: cpu@30200 {
compatible = "arm,cortex-a78";
@@ -216,6 +524,28 @@ cpu30200: cpu@30200 {
reg = <0x30200>;
operating-points-v2 = <&cpu_opp_table>;
cpu-idle-states = <&CPU_SLEEP_0>;
+ d-cache-size = <0x10000>; /* 64kB */
+ d-cache-line-size = <64>;
+ /* 4 ways set associativity */
+ /* cache_size / (line_size / associativity) */
+ d-cache-sets = <256>;
+ i-cache-size = <0x10000>; /* 64kB */
+ i-cache-line-size = <64>;
+ /* 4 ways set associativity */
+ /* cache_size / (line_size / associativity) */
+ i-cache-sets = <256>;
+ next-level-cache = <&l2_32>;
+ l2_32: l2-cache {
+ compatible = "cache";
+ cache-level = <2>;
+ cache-size = <0x80000>; /* 512kB */
+ cache-line-size = <64>;
+ /* 8 ways set associativity */
+ /* cache_size / (line_size/associativity) */
+ cache-sets = <1024>;
+ cache-unified;
+ next-level-cache = <&l3_3>;
+ };
};
cpu30300: cpu@30300 {
compatible = "arm,cortex-a78";
@@ -224,7 +554,85 @@ cpu30300: cpu@30300 {
reg = <0x30300>;
operating-points-v2 = <&cpu_opp_table>;
cpu-idle-states = <&CPU_SLEEP_0>;
+ d-cache-size = <0x10000>; /* 64kB */
+ d-cache-line-size = <64>;
+ /* 4 ways set associativity */
+ /* cache_size / (line_size / associativity) */
+ d-cache-sets = <256>;
+ i-cache-size = <0x10000>; /* 64kB */
+ i-cache-line-size = <64>;
+ /* 4 ways set associativity */
+ /* cache_size / (line_size / associativity) */
+ i-cache-sets = <256>;
+ next-level-cache = <&l2_33>;
+ l2_33: l2-cache {
+ compatible = "cache";
+ cache-level = <2>;
+ cache-size = <0x80000>; /* 512kB */
+ cache-line-size = <64>;
+ /* 8 ways set associativity */
+ /* cache_size / (line_size/associativity) */
+ cache-sets = <1024>;
+ cache-unified;
+ next-level-cache = <&l3_3>;
+ };
+ };
+
+ l3_0: l3-0-cache { /* cluster private */
+ compatible = "cache";
+ cache-level = <3>;
+ cache-size = <0x200000>; /* 2MB */
+ cache-line-size = <64>;
+ /* 16 ways set associativity */
+ /* cache_size / (line_size/associativity) */
+ cache-sets = <2048>;
+ cache-unified;
+ next-level-cache = <&llc>;
+ };
+
+ l3_1: l3-1-cache { /* cluster private */
+ compatible = "cache";
+ cache-level = <3>;
+ cache-size = <0x200000>; /* 2MB */
+ cache-line-size = <64>;
+ /* 16 ways set associativity */
+ /* cache_size / (line_size/associativity) */
+ cache-sets = <2048>;
+ cache-unified;
+ next-level-cache = <&llc>;
+ };
+
+ l3_2: l3-2-cache { /* cluster private */
+ compatible = "cache";
+ cache-level = <3>;
+ cache-size = <0x200000>; /* 2MB */
+ cache-line-size = <64>;
+ /* 16 ways set associativity */
+ /* cache_size / (line_size/associativity) */
+ cache-sets = <2048>;
+ cache-unified;
+ next-level-cache = <&llc>;
+ };
+
+ l3_3: l3-3-cache { /* cluster private */
+ compatible = "cache";
+ cache-level = <3>;
+ cache-size = <0x200000>; /* 2MB */
+ cache-line-size = <64>;
+ /* 16 ways set associativity */
+ /* cache_size / (line_size/associativity) */
+ cache-sets = <2048>;
+ cache-unified;
+ next-level-cache = <&llc>;
+ };
+
+ llc: l4-cache { /* LLC inside CMN */
+ compatible = "cache";
+ cache-level = <4>;
+ cache-size = <0x1000000>; /* 16MB */
+ cache-unified;
};
+
idle-states {
entry-method = "psci";
--
2.43.0
base-commit: 3160658ea2c4dd09a1d68918271177cf55437a8f© 2016 - 2025 Red Hat, Inc.