linux-kernel - [PATCH] arm64: dts: qcom: sm8450: Add Broadcast

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Message-Id: <20240718-x1e80100-dts-llcc-add-broadcastand_region-v1-1-20b6edf4557e@linaro.org>
Date: Thu, 18 Jul 2024 13:20:25 +0300
From: Abel Vesa <abel.vesa@...aro.org>
To: Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konrad.dybcio@...aro.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Rajendra Nayak <quic_rjendra@...cinc.com>, 
 Sibi Sankar <quic_sibis@...cinc.com>
Cc: Johan Hovold <johan@...nel.org>, linux-arm-msm@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Abel Vesa <abel.vesa@...aro.org>
Subject: [PATCH] arm64: dts: qcom: sm8450: Add Broadcast_AND region in LLCC
 block

Add missing Broadcast_AND region to the LLCC block for x1e80100,
as the LLCC version on this platform is 4.1 and it provides the region.

This also fixes the following error caused by the missing region:

[    3.797768] qcom-llcc 25000000.system-cache-controller: error -EINVAL: invalid resource (null)

Fixes: af16b00578a7 ("arm64: dts: qcom: Add base X1E80100 dtsi and the QCP dts")
Signed-off-by: Abel Vesa <abel.vesa@...aro.org>
---
 arch/arm64/boot/dts/qcom/x1e80100.dtsi | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/x1e80100.dtsi b/arch/arm64/boot/dts/qcom/x1e80100.dtsi
index 7bca5fcd7d52..2cbc959fc878 100644
--- a/arch/arm64/boot/dts/qcom/x1e80100.dtsi
+++ b/arch/arm64/boot/dts/qcom/x1e80100.dtsi
@@ -5687,7 +5687,8 @@ system-cache-controller@...00000 {
 			      <0 0x25a00000 0 0x200000>,
 			      <0 0x25c00000 0 0x200000>,
 			      <0 0x25e00000 0 0x200000>,
-			      <0 0x26000000 0 0x200000>;
+			      <0 0x26000000 0 0x200000>,
+			      <0 0x26200000 0 0x200000>;
 			reg-names = "llcc0_base",
 				    "llcc1_base",
 				    "llcc2_base",
@@ -5696,7 +5697,8 @@ system-cache-controller@...00000 {
 				    "llcc5_base",
 				    "llcc6_base",
 				    "llcc7_base",
-				    "llcc_broadcast_base";
+				    "llcc_broadcast_base",
+				    "llcc_broadcast_and_base";
 			interrupts = <GIC_SPI 266 IRQ_TYPE_LEVEL_HIGH>;
 		};
 

---
base-commit: 73399b58e5e5a1b28a04baf42e321cfcfc663c2f
change-id: 20240718-x1e80100-dts-llcc-add-broadcastand_region-797413ee2a8f

Best regards,
-- 
Abel Vesa <abel.vesa@...aro.org>