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Message-ID: <1453929121-12171-4-git-send-email-Suravee.Suthikulpanit@amd.com>
Date:	Wed, 27 Jan 2016 15:11:51 -0600
From:	Suravee Suthikulpanit <Suravee.Suthikulpanit@....com>
To:	<robh+dt@...nel.org>, <pawel.moll@....com>, <mark.rutland@....com>,
	<ijc+devicetree@...lion.org.uk>, <galak@...eaurora.org>,
	<arnd@...db.de>
CC:	<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>, <arm@...nel.org>,
	<brijeshkumar.singh@....com>, <thomas.lendacky@....com>,
	<leo.duran@....com>,
	Suravee Suthikulpanit <suravee.suthikulpanit@....com>
Subject: [PATCH 03/13] dtb: amd: Fix DMA ranges in device tree

From: Suravee Suthikulpanit <suravee.suthikulpanit@....com>

Fix DMA ranges of smb0 and pcie0 nodes in AMD Seattle SOC.

Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@....com>
---
 arch/arm64/boot/dts/amd/amd-seattle-soc.dtsi | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/arch/arm64/boot/dts/amd/amd-seattle-soc.dtsi b/arch/arm64/boot/dts/amd/amd-seattle-soc.dtsi
index fdd0c96..5c73117 100644
--- a/arch/arm64/boot/dts/amd/amd-seattle-soc.dtsi
+++ b/arch/arm64/boot/dts/amd/amd-seattle-soc.dtsi
@@ -55,8 +55,12 @@
 		#size-cells = <2>;
 		ranges;
 
-		/* DDR range is 40-bit addressing */
-		dma-ranges = <0x80 0x0 0x80 0x0 0x7f 0xffffffff>;
+		/*
+		 * dma-ranges is 40-bit address space containing:
+		 * - GICv2m MSI register is at 0xe0080000
+		 * - DRAM range [0x8000000000 to 0xffffffffff]
+		 */
+		dma-ranges = <0x0 0x0 0x0 0x0 0x100 0x0>;
 
 		/include/ "amd-seattle-clks.dtsi"
 
@@ -159,7 +163,7 @@
 				<0x1000 0x0 0x0 0x4 &gic0 0x0 0x0 0x0 0x123 0x1>;
 
 			dma-coherent;
-			dma-ranges = <0x43000000 0x80 0x0 0x80 0x0 0x7f 0xffffffff>;
+			dma-ranges = <0x43000000 0x0 0x0 0x0 0x0 0x100 0x0>;
 			ranges =
 				/* I/O Memory (size=64K) */
 				<0x01000000 0x00 0x00000000 0x00 0xefff0000 0x00 0x00010000>,
-- 
2.5.0

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