From: "Niklas Söderlund" <niklas.soderlund+renesas-1zkq55x86MTxsAP9Fp7wbw@public.gmane.org> To: vinod.koul-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, linux-renesas-soc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, dmaengine-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Cc: linux-arch-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, "Niklas Söderlund" <niklas.soderlund+renesas-1zkq55x86MTxsAP9Fp7wbw@public.gmane.org>, geert+renesas-gXvu3+zWzMSzQB+pC5nmwQ@public.gmane.org, arnd-r2nGTMty4D4@public.gmane.org, linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, laurent.pinchart-ryLnwIuWjnjg/C1BVhZhaw@public.gmane.org, dan.j.williams-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org Subject: [PATCH v5 8/9] ARM: dts: r8a7790: add iommus to dmac0 and dmac1 Date: Tue, 8 Mar 2016 03:42:53 +0100 [thread overview] Message-ID: <1457404974-1800-9-git-send-email-niklas.soderlund+renesas@ragnatech.se> (raw) In-Reply-To: <1457404974-1800-1-git-send-email-niklas.soderlund+renesas-1zkq55x86MTxsAP9Fp7wbw@public.gmane.org> A unconfirmed hardware bug prevents channel 0 and 15 to be used by the DMAC together with the IPMMU. The DMAC driver will disable the channels reducing the effective number of channels to 14 per DMAC. Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> --- arch/arm/boot/dts/r8a7790.dtsi | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/arch/arm/boot/dts/r8a7790.dtsi b/arch/arm/boot/dts/r8a7790.dtsi index 26772f7..c600daa 100644 --- a/arch/arm/boot/dts/r8a7790.dtsi +++ b/arch/arm/boot/dts/r8a7790.dtsi @@ -294,6 +294,21 @@ power-domains = <&cpg_clocks>; #dma-cells = <1>; dma-channels = <15>; + iommus = <&ipmmu_ds 0>, + <&ipmmu_ds 1>, + <&ipmmu_ds 2>, + <&ipmmu_ds 3>, + <&ipmmu_ds 4>, + <&ipmmu_ds 5>, + <&ipmmu_ds 6>, + <&ipmmu_ds 7>, + <&ipmmu_ds 8>, + <&ipmmu_ds 9>, + <&ipmmu_ds 10>, + <&ipmmu_ds 11>, + <&ipmmu_ds 12>, + <&ipmmu_ds 13>, + <&ipmmu_ds 14>; }; dmac1: dma-controller@e6720000 { @@ -325,6 +340,21 @@ power-domains = <&cpg_clocks>; #dma-cells = <1>; dma-channels = <15>; + iommus = <&ipmmu_ds 15>, + <&ipmmu_ds 16>, + <&ipmmu_ds 17>, + <&ipmmu_ds 18>, + <&ipmmu_ds 19>, + <&ipmmu_ds 20>, + <&ipmmu_ds 21>, + <&ipmmu_ds 22>, + <&ipmmu_ds 23>, + <&ipmmu_ds 24>, + <&ipmmu_ds 25>, + <&ipmmu_ds 26>, + <&ipmmu_ds 27>, + <&ipmmu_ds 28>, + <&ipmmu_ds 29>; }; audma0: dma-controller@ec700000 { -- 2.7.2 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
WARNING: multiple messages have this Message-ID (diff)
From: "Niklas Söderlund" <niklas.soderlund+renesas@ragnatech.se> To: vinod.koul@intel.com, linux-renesas-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org, iommu@lists.linux-foundation.org Cc: robin.murphy@arm.com, laurent.pinchart@ideasonboard.com, geert+renesas@glider.be, linus.walleij@linaro.org, dan.j.williams@intel.com, arnd@arndb.de, linux-arch@vger.kernel.org, "Niklas Söderlund" <niklas.soderlund+renesas@ragnatech.se> Subject: [PATCH v5 8/9] ARM: dts: r8a7790: add iommus to dmac0 and dmac1 Date: Tue, 8 Mar 2016 03:42:53 +0100 [thread overview] Message-ID: <1457404974-1800-9-git-send-email-niklas.soderlund+renesas@ragnatech.se> (raw) Message-ID: <20160308024253.oxEsdllX6MQ_6097t5LJjukRrvl1DGqD3M3iKKA7rFc@z> (raw) In-Reply-To: <1457404974-1800-1-git-send-email-niklas.soderlund+renesas@ragnatech.se> A unconfirmed hardware bug prevents channel 0 and 15 to be used by the DMAC together with the IPMMU. The DMAC driver will disable the channels reducing the effective number of channels to 14 per DMAC. Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> --- arch/arm/boot/dts/r8a7790.dtsi | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/arch/arm/boot/dts/r8a7790.dtsi b/arch/arm/boot/dts/r8a7790.dtsi index 26772f7..c600daa 100644 --- a/arch/arm/boot/dts/r8a7790.dtsi +++ b/arch/arm/boot/dts/r8a7790.dtsi @@ -294,6 +294,21 @@ power-domains = <&cpg_clocks>; #dma-cells = <1>; dma-channels = <15>; + iommus = <&ipmmu_ds 0>, + <&ipmmu_ds 1>, + <&ipmmu_ds 2>, + <&ipmmu_ds 3>, + <&ipmmu_ds 4>, + <&ipmmu_ds 5>, + <&ipmmu_ds 6>, + <&ipmmu_ds 7>, + <&ipmmu_ds 8>, + <&ipmmu_ds 9>, + <&ipmmu_ds 10>, + <&ipmmu_ds 11>, + <&ipmmu_ds 12>, + <&ipmmu_ds 13>, + <&ipmmu_ds 14>; }; dmac1: dma-controller@e6720000 { @@ -325,6 +340,21 @@ power-domains = <&cpg_clocks>; #dma-cells = <1>; dma-channels = <15>; + iommus = <&ipmmu_ds 15>, + <&ipmmu_ds 16>, + <&ipmmu_ds 17>, + <&ipmmu_ds 18>, + <&ipmmu_ds 19>, + <&ipmmu_ds 20>, + <&ipmmu_ds 21>, + <&ipmmu_ds 22>, + <&ipmmu_ds 23>, + <&ipmmu_ds 24>, + <&ipmmu_ds 25>, + <&ipmmu_ds 26>, + <&ipmmu_ds 27>, + <&ipmmu_ds 28>, + <&ipmmu_ds 29>; }; audma0: dma-controller@ec700000 { -- 2.7.2
next prev parent reply other threads:[~2016-03-08 2:42 UTC|newest] Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-03-08 2:42 [PATCH v5 0/9] dmaengine: rcar-dmac: add iommu support for slave transfers Niklas Söderlund 2016-03-08 2:42 ` Niklas Söderlund 2016-03-08 2:42 ` [PATCH v5 1/9] iommu: Add MMIO mapping type Niklas Söderlund [not found] ` <1457404974-1800-2-git-send-email-niklas.soderlund+renesas-1zkq55x86MTxsAP9Fp7wbw@public.gmane.org> 2016-03-17 11:18 ` Laurent Pinchart 2016-03-17 11:18 ` Laurent Pinchart 2016-03-08 2:42 ` [PATCH v5 2/9] dma-mapping: add {map,unmap}_resource to dma_map_ops Niklas Söderlund 2016-03-08 2:42 ` Niklas Söderlund [not found] ` <1457404974-1800-1-git-send-email-niklas.soderlund+renesas-1zkq55x86MTxsAP9Fp7wbw@public.gmane.org> 2016-03-08 2:42 ` [PATCH v5 3/9] dma-mapping: add dma_{map,unmap}_resource Niklas Söderlund 2016-03-08 2:42 ` Niklas Söderlund 2016-03-08 7:38 ` Christoph Hellwig 2016-03-10 16:05 ` Niklas S??derlund 2016-03-10 16:05 ` Niklas S??derlund 2016-03-11 6:19 ` Vinod Koul 2016-03-11 6:19 ` Vinod Koul 2016-03-11 6:47 ` Dan Williams 2016-03-11 6:47 ` Dan Williams 2016-03-11 11:15 ` Christoph Hellwig 2016-03-11 12:58 ` Niklas Söderlund 2016-03-11 12:58 ` Niklas Söderlund 2016-03-15 8:22 ` Christoph Hellwig [not found] ` <20160315082254.GE9136-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org> 2016-03-17 11:33 ` Laurent Pinchart 2016-03-17 11:33 ` Laurent Pinchart 2016-03-21 15:26 ` Christoph Hellwig 2016-03-21 15:26 ` Christoph Hellwig [not found] ` <20160321152601.GA11674-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org> 2016-04-13 13:29 ` Niklas Söderlund 2016-04-13 13:29 ` Niklas Söderlund 2016-04-21 9:48 ` Niklas Söderlund 2016-04-21 9:48 ` Niklas Söderlund 2016-04-21 13:49 ` Christoph Hellwig 2016-04-21 13:49 ` Christoph Hellwig 2016-04-25 14:26 ` Niklas Söderlund 2016-04-25 14:26 ` Niklas Söderlund 2016-04-25 19:10 ` Christoph Hellwig 2016-04-25 19:10 ` Christoph Hellwig [not found] ` <20160425191004.GA13906-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org> 2016-04-26 13:29 ` Niklas Söderlund 2016-04-26 13:29 ` Niklas Söderlund [not found] ` <CAPcyv4gO4EZnBuVKXT8+gsMhbHJzuK7sfr0uRcjVdJP-nUUz4A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2016-03-11 13:46 ` Robin Murphy 2016-03-11 13:46 ` Robin Murphy 2016-03-11 17:51 ` Dan Williams 2016-03-08 2:42 ` [PATCH v5 4/9] arm: dma-mapping: add {map, unmap}_resource for iommu ops Niklas Söderlund 2016-03-08 2:42 ` [PATCH v5 4/9] arm: dma-mapping: add {map,unmap}_resource " Niklas Söderlund 2016-03-08 2:42 ` [PATCH v5 5/9] dmaengine: rcar-dmac: slave address are physical Niklas Söderlund 2016-03-08 2:42 ` Niklas Söderlund [not found] ` <1457404974-1800-6-git-send-email-niklas.soderlund+renesas-1zkq55x86MTxsAP9Fp7wbw@public.gmane.org> 2016-03-17 11:30 ` Laurent Pinchart 2016-03-17 11:30 ` Laurent Pinchart 2016-03-08 2:42 ` [PATCH v5 6/9] dmaengine: rcar-dmac: group slave configuration Niklas Söderlund 2016-03-08 2:42 ` Niklas Söderlund [not found] ` <1457404974-1800-7-git-send-email-niklas.soderlund+renesas-1zkq55x86MTxsAP9Fp7wbw@public.gmane.org> 2016-03-17 11:28 ` Laurent Pinchart 2016-03-17 11:28 ` Laurent Pinchart 2016-03-08 2:42 ` [PATCH v5 7/9] dmaengine: rcar-dmac: add iommu support for slave transfers Niklas Söderlund 2016-03-08 2:42 ` Niklas Söderlund 2016-03-08 2:42 ` Niklas Söderlund [this message] 2016-03-08 2:42 ` [PATCH v5 8/9] ARM: dts: r8a7790: add iommus to dmac0 and dmac1 Niklas Söderlund 2016-03-08 2:42 ` [PATCH v5 9/9] ARM: dts: r8a7791: " Niklas Söderlund
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