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From: MD Danish Anwar <danishanwar@ti.com>
To: "David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Simon Horman <horms@kernel.org>, Jonathan Corbet <corbet@lwn.net>,
	Nishanth Menon <nm@ti.com>, Vignesh Raghavendra <vigneshr@ti.com>,
	Tero Kristo <kristo@kernel.org>, Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Andrew Lunn <andrew+netdev@lunn.ch>,
	MD Danish Anwar <danishanwar@ti.com>,
	Mengyuan Lou <mengyuanlou@net-swift.com>,
	Lei Wei <quic_leiwei@quicinc.com>, Xin Guo <guoxin09@huawei.com>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Fan Gong <gongfan1@huawei.com>,
	Lorenzo Bianconi <lorenzo@kernel.org>,
	Parthiban Veerasooran <Parthiban.Veerasooran@microchip.com>,
	Lukas Bulwahn <lukas.bulwahn@redhat.com>,
	Geert Uytterhoeven <geert+renesas@glider.be>
Cc: <netdev@vger.kernel.org>, <linux-doc@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>,
	<devicetree@vger.kernel.org>
Subject: [PATCH net-next v4 7/7] arch: arm64: dts: k3-am64*: Add shared memory region
Date: Thu, 11 Sep 2025 17:06:12 +0530	[thread overview]
Message-ID: <20250911113612.2598643-8-danishanwar@ti.com> (raw)
In-Reply-To: <20250911113612.2598643-1-danishanwar@ti.com>

Reserve a shared memory region for rpmsg eth communication and add it to
the remote proc device `main_r5fss0_core0`.

Signed-off-by: MD Danish Anwar <danishanwar@ti.com>
---
 arch/arm64/boot/dts/ti/k3-am642-evm.dts | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/ti/k3-am642-evm.dts b/arch/arm64/boot/dts/ti/k3-am642-evm.dts
index e01866372293..6e8e2c39146b 100644
--- a/arch/arm64/boot/dts/ti/k3-am642-evm.dts
+++ b/arch/arm64/boot/dts/ti/k3-am642-evm.dts
@@ -61,7 +61,13 @@ main_r5fss0_core0_dma_memory_region: r5f-dma-memory@a0000000 {
 
 		main_r5fss0_core0_memory_region: r5f-memory@a0100000 {
 			compatible = "shared-dma-pool";
-			reg = <0x00 0xa0100000 0x00 0xf00000>;
+			reg = <0x00 0xa0100000 0x00 0x300000>;
+			no-map;
+		};
+
+		main_r5fss0_core0_memory_region_shm: r5f-shm-memory@a0400000 {
+			compatible = "shared-dma-pool";
+			reg = <0x00 0xa0400000 0x00 0xc00000>;
 			no-map;
 		};
 
@@ -767,7 +773,8 @@ mbox_m4_0: mbox-m4-0 {
 &main_r5fss0_core0 {
 	mboxes = <&mailbox0_cluster2 &mbox_main_r5fss0_core0>;
 	memory-region = <&main_r5fss0_core0_dma_memory_region>,
-			<&main_r5fss0_core0_memory_region>;
+			<&main_r5fss0_core0_memory_region>,
+			<&main_r5fss0_core0_memory_region_shm>;
 };
 
 &main_r5fss0_core1 {
-- 
2.34.1


  parent reply	other threads:[~2025-09-11 11:37 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-09-11 11:36 [PATCH net-next v4 0/7] Add RPMSG Ethernet Driver MD Danish Anwar
2025-09-11 11:36 ` [PATCH net-next v4 1/7] net: rpmsg-eth: Add Documentation for RPMSG-ETH Driver MD Danish Anwar
2025-09-11 11:36 ` [PATCH net-next v4 2/7] net: rpmsg-eth: Add basic rpmsg skeleton MD Danish Anwar
2025-09-11 11:36 ` [PATCH net-next v4 3/7] net: rpmsg-eth: Register device as netdev MD Danish Anwar
2025-09-11 11:36 ` [PATCH net-next v4 4/7] net: rpmsg-eth: Add netdev ops MD Danish Anwar
2025-09-11 11:36 ` [PATCH net-next v4 5/7] net: rpmsg-eth: Add support for multicast filtering MD Danish Anwar
2025-09-11 11:36 ` [PATCH net-next v4 6/7] MAINTAINERS: Add entry for RPMSG Ethernet driver MD Danish Anwar
2025-09-11 11:36 ` MD Danish Anwar [this message]
2025-09-11 16:04 ` [PATCH net-next v4 0/7] Add RPMSG Ethernet Driver Andrew Davis
2025-09-17 11:44   ` MD Danish Anwar
2025-09-17 16:37     ` Andrew Davis
2025-09-22 10:59       ` MD Danish Anwar

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