From mboxrd@z Thu Jan 1 00:00:00 1970 From: suravee.suthikulpanit@amd.com (suravee.suthikulpanit at amd.com) Date: Sun, 30 Nov 2014 21:46:39 -0600 Subject: [PATCH 1/2] arm64: amd-seattle: Fix dma-ranges property In-Reply-To: <1417405600-19232-1-git-send-email-suravee.suthikulpanit@amd.com> References: <1417405600-19232-1-git-send-email-suravee.suthikulpanit@amd.com> Message-ID: <1417405600-19232-2-git-send-email-suravee.suthikulpanit@amd.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Suravee Suthikulpanit AMD Seattle should support 40-bit DMA. Signed-off-by: Suravee Suthikulpanit --- 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