linux-kernel - [PATCH v4 3/5] arm64: dts: qcom: sdx75: update reserved memory regions for mpss

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Message-ID: <20240709064924.325478-4-quic_nainmeht@quicinc.com>
Date: Tue, 9 Jul 2024 12:19:22 +0530
From: Naina Mehta <quic_nainmeht@...cinc.com>
To: <andersson@...nel.org>, <mathieu.poirier@...aro.org>, <robh@...nel.org>,
        <krzk+dt@...nel.org>, <conor+dt@...nel.org>,
        <konrad.dybcio@...aro.org>, <manivannan.sadhasivam@...aro.org>
CC: <linux-arm-msm@...r.kernel.org>, <linux-remoteproc@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <quic_nainmeht@...cinc.com>
Subject: [PATCH v4 3/5] arm64: dts: qcom: sdx75: update reserved memory regions for mpss

Rename qdss@...00000 memory region as qlink_logging memory region
and add qdss_mem memory region at address of 0x88500000,
qlink_logging is being added at the memory region at the address
of 0x88800000 as the region is being used by modem firmware.
Since different DSM region size is required for different modem
firmware, split mpss_dsmharq_mem region into 2 separate regions.
This would provide the flexibility to remove the region which is
not required for a particular platform. Based on the modem firmware
either both the regions have to be used or only mpss_dsm_mem has
to be used. Also, reduce the size of mpssadsp_mem region.

Signed-off-by: Naina Mehta <quic_nainmeht@...cinc.com>
---
 arch/arm64/boot/dts/qcom/sdx75.dtsi | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sdx75.dtsi b/arch/arm64/boot/dts/qcom/sdx75.dtsi
index 9b93f6501d55..6f0abcc87a3b 100644
--- a/arch/arm64/boot/dts/qcom/sdx75.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdx75.dtsi
@@ -366,7 +366,12 @@ uefi_log_mem: uefi-log@...75000 {
 			no-map;
 		};
 
-		qdss_mem: qdss@...00000 {
+		qdss_mem: qdss@...00000 {
+			reg = <0x0 0x88500000 0x0 0x300000>;
+			no-map;
+		};
+
+		qlink_logging_mem: qlink-logging@...00000 {
 			reg = <0x0 0x88800000 0x0 0x300000>;
 			no-map;
 		};
@@ -377,8 +382,13 @@ audio_heap_mem: audio-heap@...00000 {
 			no-map;
 		};
 
-		mpss_dsmharq_mem: mpss-dsmharq@...00000 {
-			reg = <0x0 0x88f00000 0x0 0x5080000>;
+		mpss_dsm_mem_2: mpss-dsm-2@...00000 {
+			reg = <0x0 0x88f00000 0x0 0x2500000>;
+			no-map;
+		};
+
+		mpss_dsm_mem: mpss-dsm@...00000 {
+			reg = <0x0 0x8b400000 0x0 0x2b80000>;
 			no-map;
 		};
 
@@ -388,7 +398,7 @@ q6_mpss_dtb_mem: q6-mpss-dtb@...80000 {
 		};
 
 		mpssadsp_mem: mpssadsp@...00000 {
-			reg = <0x0 0x8e000000 0x0 0xf400000>;
+			reg = <0x0 0x8e000000 0x0 0xf100000>;
 			no-map;
 		};
 
-- 
2.34.1