From: Suravee Suthikulpanit <suravee.suthikulpa...@amd.com>
AMD Seattle should support 40-bit DMA.
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpa...@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 0c8e7ae..f370f03 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>,
--
1.9.3
--
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