linux-kernel - [PATCH 13/18] arm: dt: Add dma-ranges to the bcm283x platforms

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Message-Id: <20240524182702.1317935-14-dave.stevenson@raspberrypi.com>
Date: Fri, 24 May 2024 19:26:57 +0100
From: Dave Stevenson <dave.stevenson@...pberrypi.com>
To: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Florian Fainelli <florian.fainelli@...adcom.com>,
	Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>,
	Ray Jui <rjui@...adcom.com>,
	Scott Branden <sbranden@...adcom.com>,
	Vinod Koul <vkoul@...nel.org>,
	Maxime Ripard <mripard@...nel.org>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	David Airlie <airlied@...il.com>,
	Daniel Vetter <daniel@...ll.ch>,
	Ulf Hansson <ulf.hansson@...aro.org>,
	Mark Brown <broonie@...nel.org>,
	Christoph Hellwig <hch@....de>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Robin Murphy <robin.murphy@....com>,
	Liam Girdwood <lgirdwood@...il.com>,
	Jaroslav Kysela <perex@...ex.cz>,
	Takashi Iwai <tiwai@...e.com>,
	Vladimir Murzin <vladimir.murzin@....com>,
	Phil Elwell <phil@...pberrypi.com>,
	Stefan Wahren <wahrenst@....net>,
	Serge Semin <Sergey.Semin@...kalelectronics.ru>
Cc: devicetree@...r.kernel.org,
	linux-rpi-kernel@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	dmaengine@...r.kernel.org,
	dri-devel@...ts.freedesktop.org,
	linux-mmc@...r.kernel.org,
	linux-spi@...r.kernel.org,
	iommu@...ts.linux.dev,
	linux-sound@...r.kernel.org,
	Dave Stevenson <dave.stevenson@...pberrypi.com>
Subject: [PATCH 13/18] arm: dt: Add dma-ranges to the bcm283x platforms

In order to use the dma_map_resource for mappings, add the
dma-ranges to the relevant DT files.

Signed-off-by: Dave Stevenson <dave.stevenson@...pberrypi.com>
---
 arch/arm/boot/dts/broadcom/bcm2711.dtsi | 12 ++++++++++--
 arch/arm/boot/dts/broadcom/bcm2835.dtsi |  3 ++-
 arch/arm/boot/dts/broadcom/bcm2836.dtsi |  3 ++-
 arch/arm/boot/dts/broadcom/bcm2837.dtsi |  3 ++-
 4 files changed, 16 insertions(+), 5 deletions(-)

diff --git a/arch/arm/boot/dts/broadcom/bcm2711.dtsi b/arch/arm/boot/dts/broadcom/bcm2711.dtsi
index d64bf098b697..d6f32d32b456 100644
--- a/arch/arm/boot/dts/broadcom/bcm2711.dtsi
+++ b/arch/arm/boot/dts/broadcom/bcm2711.dtsi
@@ -42,7 +42,8 @@ soc {
 			 <0x7c000000  0x0 0xfc000000  0x02000000>,
 			 <0x40000000  0x0 0xff800000  0x00800000>;
 		/* Emulate a contiguous 30-bit address range for DMA */
-		dma-ranges = <0xc0000000  0x0 0x00000000  0x40000000>;
+		dma-ranges = <0xc0000000  0x0 0x00000000  0x40000000>,
+			     <0x7c000000  0x0 0xfc000000  0x03800000>;
 
 		/*
 		 * This node is the provider for the enable-method for
@@ -550,7 +551,14 @@ scb {
 		#size-cells = <1>;
 
 		ranges = <0x0 0x7c000000  0x0 0xfc000000  0x03800000>,
-			 <0x6 0x00000000  0x6 0x00000000  0x40000000>;
+			 <0x0 0x40000000  0x0 0xff800000  0x00800000>,
+			 <0x6 0x00000000  0x6 0x00000000  0x40000000>,
+			 <0x0 0x00000000  0x0 0x00000000  0xfc000000>;
+		dma-ranges = <0x4 0x7c000000  0x0 0xfc000000  0x03800000>,
+			     <0x0 0x00000000  0x0 0x00000000  0x80000000>,
+			     <0x0 0x80000000  0x0 0x80000000  0x80000000>,
+			     <0x1 0x00000000  0x1 0x00000000  0x80000000>,
+			     <0x1 0x80000000  0x1 0x80000000  0x80000000>;
 
 		pcie0: pcie@...00000 {
 			compatible = "brcm,bcm2711-pcie";
diff --git a/arch/arm/boot/dts/broadcom/bcm2835.dtsi b/arch/arm/boot/dts/broadcom/bcm2835.dtsi
index 15cb331febbb..480e12fd8a17 100644
--- a/arch/arm/boot/dts/broadcom/bcm2835.dtsi
+++ b/arch/arm/boot/dts/broadcom/bcm2835.dtsi
@@ -35,7 +35,8 @@ cpu@0 {
 
 	soc {
 		ranges = <0x7e000000 0x20000000 0x02000000>;
-		dma-ranges = <0x40000000 0x00000000 0x20000000>;
+		dma-ranges = <0x80000000 0x00000000 0x20000000>,
+			     <0x7e000000 0x20000000 0x02000000>;
 	};
 
 	arm-pmu {
diff --git a/arch/arm/boot/dts/broadcom/bcm2836.dtsi b/arch/arm/boot/dts/broadcom/bcm2836.dtsi
index 783fe624ba68..4ab7769c056a 100644
--- a/arch/arm/boot/dts/broadcom/bcm2836.dtsi
+++ b/arch/arm/boot/dts/broadcom/bcm2836.dtsi
@@ -8,7 +8,8 @@ / {
 	soc {
 		ranges = <0x7e000000 0x3f000000 0x1000000>,
 			 <0x40000000 0x40000000 0x00001000>;
-		dma-ranges = <0xc0000000 0x00000000 0x3f000000>;
+		dma-ranges = <0xc0000000 0x00000000 0x3f000000>,
+			     <0x7e000000 0x3f000000 0x01000000>;
 
 		local_intc: interrupt-controller@...00000 {
 			compatible = "brcm,bcm2836-l1-intc";
diff --git a/arch/arm/boot/dts/broadcom/bcm2837.dtsi b/arch/arm/boot/dts/broadcom/bcm2837.dtsi
index 84c08b46519d..d034d6a8caad 100644
--- a/arch/arm/boot/dts/broadcom/bcm2837.dtsi
+++ b/arch/arm/boot/dts/broadcom/bcm2837.dtsi
@@ -7,7 +7,8 @@ / {
 	soc {
 		ranges = <0x7e000000 0x3f000000 0x1000000>,
 			 <0x40000000 0x40000000 0x00001000>;
-		dma-ranges = <0xc0000000 0x00000000 0x3f000000>;
+		dma-ranges = <0xc0000000 0x00000000 0x3f000000>,
+			     <0x7e000000 0x3f000000 0x01000000>;
 
 		local_intc: local_intc@...00000 {
 			compatible = "brcm,bcm2836-l1-intc";
-- 
2.34.1