From: Nishanth Menon <nm@ti.com>
To: Conor Dooley <conor+dt@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Rob Herring <robh@kernel.org>,
Vignesh Raghavendra <vigneshr@ti.com>
Cc: <linux-kernel@vger.kernel.org>, <devicetree@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
Tero Kristo <kristo@kernel.org>, Nishanth Menon <nm@ti.com>
Subject: [PATCH] arm64: dts: ti: k3-am625-beagleplay: Reserve 128MiB of global CMA
Date: Fri, 31 Jan 2025 11:35:08 -0600 [thread overview]
Message-ID: <20250131173508.1338842-1-nm@ti.com> (raw)
In the same lines of commit 9e8560556f9c ("arm64: dts: ti:
k3-am62x-sk-common: Reserve 128MiB of global CMA"), reserve global CMA
pool for:
LCD Display: 16MiB, HDMI (1080p): 16MiB, GPU: 16MiB, CSI2 1 1080p
sensor: 32MiB with a 32MiB set for other peripherals and a 16MiB
buffer.
Signed-off-by: Nishanth Menon <nm@ti.com>
---
arch/arm64/boot/dts/ti/k3-am625-beagleplay.dts | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-am625-beagleplay.dts b/arch/arm64/boot/dts/ti/k3-am625-beagleplay.dts
index 75c80290b12a..a5469f2712f0 100644
--- a/arch/arm64/boot/dts/ti/k3-am625-beagleplay.dts
+++ b/arch/arm64/boot/dts/ti/k3-am625-beagleplay.dts
@@ -65,6 +65,14 @@ ramoops: ramoops@9ca00000 {
pmsg-size = <0x8000>;
};
+ /* global cma region */
+ linux,cma {
+ compatible = "shared-dma-pool";
+ reusable;
+ size = <0x00 0x8000000>;
+ linux,cma-default;
+ };
+
secure_tfa_ddr: tfa@9e780000 {
reg = <0x00 0x9e780000 0x00 0x80000>;
no-map;
--
2.47.0
next reply other threads:[~2025-01-31 17:35 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-01-31 17:35 Nishanth Menon [this message]
2025-03-02 13:17 ` Vignesh Raghavendra
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