* [PATCH V2] arm64: tegra: add CPU cache topology for Tegra186
@ 2019-06-05 2:26 ` Joseph Lo
0 siblings, 0 replies; 3+ messages in thread
From: Joseph Lo @ 2019-06-05 2:26 UTC (permalink / raw)
To: Thierry Reding, Jonathan Hunter
Cc: linux-tegra, Joseph Lo, linux-arm-kernel, Sudeep Holla
Tegra186 has two CPU clusters with its own cache hierarchy. This patch
adds them with the cache information of each of the CPUs.
Signed-off-by: Joseph Lo <josephl@nvidia.com>
---
v2:
- add detail cache information
---
arch/arm64/boot/dts/nvidia/tegra186.dtsi | 60 ++++++++++++++++++++++++
1 file changed, 60 insertions(+)
diff --git a/arch/arm64/boot/dts/nvidia/tegra186.dtsi b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
index 426ac0bdf6a6..8759fcfaf4ed 100644
--- a/arch/arm64/boot/dts/nvidia/tegra186.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
@@ -1128,38 +1128,98 @@
cpu@0 {
compatible = "nvidia,tegra186-denver";
device_type = "cpu";
+ i-cache-size = <0x20000>;
+ i-cache-line-size = <64>;
+ i-cache-sets = <512>;
+ d-cache-size = <0x10000>;
+ d-cache-line-size = <64>;
+ d-cache-sets = <256>;
+ next-level-cache = <&L2_DENVER>;
reg = <0x000>;
};
cpu@1 {
compatible = "nvidia,tegra186-denver";
device_type = "cpu";
+ i-cache-size = <0x20000>;
+ i-cache-line-size = <64>;
+ i-cache-sets = <512>;
+ d-cache-size = <0x10000>;
+ d-cache-line-size = <64>;
+ d-cache-sets = <256>;
+ next-level-cache = <&L2_DENVER>;
reg = <0x001>;
};
cpu@2 {
compatible = "arm,cortex-a57";
device_type = "cpu";
+ i-cache-size = <0xC000>;
+ i-cache-line-size = <64>;
+ i-cache-sets = <256>;
+ d-cache-size = <0x8000>;
+ d-cache-line-size = <64>;
+ d-cache-sets = <256>;
+ next-level-cache = <&L2_A57>;
reg = <0x100>;
};
cpu@3 {
compatible = "arm,cortex-a57";
device_type = "cpu";
+ i-cache-size = <0xC000>;
+ i-cache-line-size = <64>;
+ i-cache-sets = <256>;
+ d-cache-size = <0x8000>;
+ d-cache-line-size = <64>;
+ d-cache-sets = <256>;
+ next-level-cache = <&L2_A57>;
reg = <0x101>;
};
cpu@4 {
compatible = "arm,cortex-a57";
device_type = "cpu";
+ i-cache-size = <0xC000>;
+ i-cache-line-size = <64>;
+ i-cache-sets = <256>;
+ d-cache-size = <0x8000>;
+ d-cache-line-size = <64>;
+ d-cache-sets = <256>;
+ next-level-cache = <&L2_A57>;
reg = <0x102>;
};
cpu@5 {
compatible = "arm,cortex-a57";
device_type = "cpu";
+ i-cache-size = <0xC000>;
+ i-cache-line-size = <64>;
+ i-cache-sets = <256>;
+ d-cache-size = <0x8000>;
+ d-cache-line-size = <64>;
+ d-cache-sets = <256>;
+ next-level-cache = <&L2_A57>;
reg = <0x103>;
};
+
+ L2_DENVER: l2-cache0 {
+ compatible = "cache";
+ cache-unified;
+ cache-level = <2>;
+ cache-size = <0x200000>;
+ cache-line-size = <64>;
+ cache-sets = <2048>;
+ };
+
+ L2_A57: l2-cache1 {
+ compatible = "cache";
+ cache-unified;
+ cache-level = <2>;
+ cache-size = <0x200000>;
+ cache-line-size = <64>;
+ cache-sets = <2048>;
+ };
};
bpmp: bpmp {
--
2.21.0
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH V2] arm64: tegra: add CPU cache topology for Tegra186
@ 2019-06-05 2:26 ` Joseph Lo
0 siblings, 0 replies; 3+ messages in thread
From: Joseph Lo @ 2019-06-05 2:26 UTC (permalink / raw)
To: Thierry Reding, Jonathan Hunter
Cc: linux-tegra, Joseph Lo, linux-arm-kernel, Sudeep Holla
Tegra186 has two CPU clusters with its own cache hierarchy. This patch
adds them with the cache information of each of the CPUs.
Signed-off-by: Joseph Lo <josephl@nvidia.com>
---
v2:
- add detail cache information
---
arch/arm64/boot/dts/nvidia/tegra186.dtsi | 60 ++++++++++++++++++++++++
1 file changed, 60 insertions(+)
diff --git a/arch/arm64/boot/dts/nvidia/tegra186.dtsi b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
index 426ac0bdf6a6..8759fcfaf4ed 100644
--- a/arch/arm64/boot/dts/nvidia/tegra186.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
@@ -1128,38 +1128,98 @@
cpu@0 {
compatible = "nvidia,tegra186-denver";
device_type = "cpu";
+ i-cache-size = <0x20000>;
+ i-cache-line-size = <64>;
+ i-cache-sets = <512>;
+ d-cache-size = <0x10000>;
+ d-cache-line-size = <64>;
+ d-cache-sets = <256>;
+ next-level-cache = <&L2_DENVER>;
reg = <0x000>;
};
cpu@1 {
compatible = "nvidia,tegra186-denver";
device_type = "cpu";
+ i-cache-size = <0x20000>;
+ i-cache-line-size = <64>;
+ i-cache-sets = <512>;
+ d-cache-size = <0x10000>;
+ d-cache-line-size = <64>;
+ d-cache-sets = <256>;
+ next-level-cache = <&L2_DENVER>;
reg = <0x001>;
};
cpu@2 {
compatible = "arm,cortex-a57";
device_type = "cpu";
+ i-cache-size = <0xC000>;
+ i-cache-line-size = <64>;
+ i-cache-sets = <256>;
+ d-cache-size = <0x8000>;
+ d-cache-line-size = <64>;
+ d-cache-sets = <256>;
+ next-level-cache = <&L2_A57>;
reg = <0x100>;
};
cpu@3 {
compatible = "arm,cortex-a57";
device_type = "cpu";
+ i-cache-size = <0xC000>;
+ i-cache-line-size = <64>;
+ i-cache-sets = <256>;
+ d-cache-size = <0x8000>;
+ d-cache-line-size = <64>;
+ d-cache-sets = <256>;
+ next-level-cache = <&L2_A57>;
reg = <0x101>;
};
cpu@4 {
compatible = "arm,cortex-a57";
device_type = "cpu";
+ i-cache-size = <0xC000>;
+ i-cache-line-size = <64>;
+ i-cache-sets = <256>;
+ d-cache-size = <0x8000>;
+ d-cache-line-size = <64>;
+ d-cache-sets = <256>;
+ next-level-cache = <&L2_A57>;
reg = <0x102>;
};
cpu@5 {
compatible = "arm,cortex-a57";
device_type = "cpu";
+ i-cache-size = <0xC000>;
+ i-cache-line-size = <64>;
+ i-cache-sets = <256>;
+ d-cache-size = <0x8000>;
+ d-cache-line-size = <64>;
+ d-cache-sets = <256>;
+ next-level-cache = <&L2_A57>;
reg = <0x103>;
};
+
+ L2_DENVER: l2-cache0 {
+ compatible = "cache";
+ cache-unified;
+ cache-level = <2>;
+ cache-size = <0x200000>;
+ cache-line-size = <64>;
+ cache-sets = <2048>;
+ };
+
+ L2_A57: l2-cache1 {
+ compatible = "cache";
+ cache-unified;
+ cache-level = <2>;
+ cache-size = <0x200000>;
+ cache-line-size = <64>;
+ cache-sets = <2048>;
+ };
};
bpmp: bpmp {
--
2.21.0
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH V2] arm64: tegra: add CPU cache topology for Tegra186
2019-06-05 2:26 ` Joseph Lo
(?)
@ 2019-06-05 8:16 ` Thierry Reding
-1 siblings, 0 replies; 3+ messages in thread
From: Thierry Reding @ 2019-06-05 8:16 UTC (permalink / raw)
To: Joseph Lo; +Cc: linux-tegra, Sudeep Holla, linux-arm-kernel, Jonathan Hunter
[-- Attachment #1.1: Type: text/plain, Size: 447 bytes --]
On Wed, Jun 05, 2019 at 10:26:40AM +0800, Joseph Lo wrote:
> Tegra186 has two CPU clusters with its own cache hierarchy. This patch
> adds them with the cache information of each of the CPUs.
>
> Signed-off-by: Joseph Lo <josephl@nvidia.com>
> ---
> v2:
> - add detail cache information
> ---
> arch/arm64/boot/dts/nvidia/tegra186.dtsi | 60 ++++++++++++++++++++++++
> 1 file changed, 60 insertions(+)
Applied, thanks.
Thierry
[-- Attachment #1.2: signature.asc --]
[-- Type: application/pgp-signature, Size: 833 bytes --]
[-- Attachment #2: Type: text/plain, Size: 176 bytes --]
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2019-06-05 8:16 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-06-05 2:26 [PATCH V2] arm64: tegra: add CPU cache topology for Tegra186 Joseph Lo
2019-06-05 2:26 ` Joseph Lo
2019-06-05 8:16 ` Thierry Reding
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.