[PATCH 03/13] dtb: amd: Fix DMA ranges in device tree
From: Suravee.Suthikulpanit@amd.com (Suravee Suthikulpanit)
Date: 2016-01-27 21:15:34
Also in:
linux-devicetree, lkml
Subsystem:
amd seattle device tree support, the rest · Maintainers:
Suravee Suthikulpanit, Tom Lendacky, Linus Torvalds
From: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com> Fix DMA ranges of smb0 and pcie0 nodes in AMD Seattle SOC. Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.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>,
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2.5.0