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Sun, 12 Jul 2020 23:03:00 -0800 Received: from MTKMBS32N2.mediatek.inc (172.27.4.72) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sun, 12 Jul 2020 23:55:48 -0700 Received: from MTKCAS32.mediatek.inc (172.27.4.184) by MTKMBS32N2.mediatek.inc (172.27.4.72) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 13 Jul 2020 14:55:46 +0800 Received: from [10.17.3.153] (10.17.3.153) by MTKCAS32.mediatek.inc (172.27.4.170) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 13 Jul 2020 14:55:44 +0800 Message-ID: <1594623299.16172.29.camel@mhfsdcap03> Subject: Re: [PATCH 04/21] dt-binding: mediatek: Add binding for mt8192 IOMMU and SMI From: Yong Wu To: Pi-Hsun Shih Date: Mon, 13 Jul 2020 14:54:59 +0800 In-Reply-To: References: <20200711064846.16007-1-yong.wu@mediatek.com> <20200711064846.16007-5-yong.wu@mediatek.com> X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-TM-SNTS-SMTP: 533535A6522B7AB06F6A5C489515BEA97381B42424A0490A05D20470D84F27B32000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200713_030307_080744_28039319 X-CRM114-Status: GOOD ( 18.39 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Youlin Pei =?UTF-8?Q?=28=E8=A3=B4=E5=8F=8B=E6=9E=97=29?= , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , Nicolas Boichat , cui.zhang@mediatek.com, srv_heupstream@mediatek.com, chao.hao@mediatek.com, Robin Murphy , Joerg Roedel , open list , Evan Green , Tomasz Figa , iommu@lists.linux-foundation.org, Rob Herring , "moderated list:ARM/Mediatek SoC support" , Matthias Brugger , ming-fan.chen@mediatek.com, anan.sun@mediatek.com, Will Deacon , "moderated list:ARM/Mediatek SoC support" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, 2020-07-13 at 13:36 +0800, Pi-Hsun Shih wrote: > On Sat, Jul 11, 2020 at 2:50 PM Yong Wu wrote: > > > > This patch adds decriptions for mt8192 IOMMU and SMI. > > > > mt8192 also is MTK IOMMU gen2 which uses ARM Short-Descriptor translation > > table format. The M4U-SMI HW diagram is as below: > > > > EMI > > | > > M4U > > | > > ------------ > > SMI Common > > ------------ > > | > > +-------+------+------+----------------------+-------+ > > | | | | ...... | | > > | | | | | | > > larb0 larb1 larb2 larb4 ...... larb19 larb20 > > disp0 disp1 mdp vdec IPE IPE > > > > All the connections are HW fixed, SW can NOT adjust it. > > > > mt8192 M4U support 0~16GB iova range. we preassign different engines > > into different iova ranges: > > > > domain-id module iova-range larbs > > 0 disp 0 ~ 4G larb0/1 > > 1 vcodec 4G ~ 8G larb4/5/7 > > 2 cam/mdp 8G ~ 12G larb2/9/11/13/14/16/17/18/19/20 > > 3 CCU0 0x4000_0000 ~ 0x43ff_ffff larb13: port 9/10 > > 4 CCU1 0x4400_0000 ~ 0x47ff_ffff larb14: port 4/5 > > > > The iova range for CCU0/1(camera control unit) is HW requirement. > > > > Signed-off-by: Yong Wu > > --- > > .../bindings/iommu/mediatek,iommu.txt | 8 +- > > .../mediatek,smi-common.txt | 5 +- > > .../memory-controllers/mediatek,smi-larb.txt | 3 +- > > include/dt-bindings/memory/mt8192-larb-port.h | 237 ++++++++++++++++++ > > 4 files changed, 247 insertions(+), 6 deletions(-) > > create mode 100644 include/dt-bindings/memory/mt8192-larb-port.h > > ... > > diff --git a/include/dt-bindings/memory/mt8192-larb-port.h b/include/dt-bindings/memory/mt8192-larb-port.h > > new file mode 100644 > > index 000000000000..fbe0d5d50f1c > > --- /dev/null > > +++ b/include/dt-bindings/memory/mt8192-larb-port.h > > ... > > +/* larb7 */ > > +#define M4U_PORT_L7_VENC_RCPU MTK_M4U_DOM_ID(1, 7, 0) > > +#define M4U_PORT_L7_VENC_REC MTK_M4U_DOM_ID(1, 7, 1) > > +#define M4U_PORT_L7_VENC_BSDMA MTK_M4U_DOM_ID(1, 7, 2) > > +#define M4U_PORT_L7_VENC_SV_COMV MTK_M4U_DOM_ID(1, 7, 3) > > +#define M4U_PORT_L7_VENC_RD_COMV MTK_M4U_DOM_ID(1, 7, 4) > > +#define M4U_PORT_L7_VENC_CUR_LUMA MTK_M4U_DOM_ID(1, 7, 5) > > +#define M4U_PORT_L7_VENC_CUR_CHROMA MTK_M4U_DOM_ID(1, 7, 6) > > +#define M4U_PORT_L7_VENC_REF_LUMA MTK_M4U_DOM_ID(1, 7, 7) > > +#define M4U_PORT_L7_VENC_REF_CHROMA MTK_M4U_DOM_ID(1, 7, 8) > > +#define M4U_PORT_L7_JPGENC_Y_RDMA MTK_M4U_DOM_ID(1, 7, 9) > > +#define M4U_PORT_L7_JPGENC_Q_RDMA MTK_M4U_DOM_ID(1, 7, 10) > > +#define M4U_PORT_L7_JPGENC_C_TABLE MTK_M4U_DOM_ID(1, 7, 11) > > +#define M4U_PORT_L7_JPGENC_BSDMA MTK_M4U_DOM_ID(1, 7, 12) > > +#define M4U_PORT_L7_VENC_SUB_R_LUMA MTK_M4U_DOM_ID(1, 7, 13) > > +#define M4U_PORT_L7_VENC_SUB_W_LUMA MTK_M4U_DOM_ID(1, 7, 14) > > + > > Small nit, /* larb8: null */ is missing here. oh. Yes. Thanks. I will add it in next version. > > > +/* larb9 */ > > +#define M4U_PORT_L9_IMG_IMGI_D1 MTK_M4U_DOM_ID(2, 9, 0) > > +#define M4U_PORT_L9_IMG_IMGBI_D1 MTK_M4U_DOM_ID(2, 9, 1) > > +#define M4U_PORT_L9_IMG_DMGI_D1 MTK_M4U_DOM_ID(2, 9, 2) > > +#define M4U_PORT_L9_IMG_DEPI_D1 MTK_M4U_DOM_ID(2, 9, 3) > > +#define M4U_PORT_L9_IMG_ICE_D1 MTK_M4U_DOM_ID(2, 9, 4) > > +#define M4U_PORT_L9_IMG_SMTI_D1 MTK_M4U_DOM_ID(2, 9, 5) > > +#define M4U_PORT_L9_IMG_SMTO_D2 MTK_M4U_DOM_ID(2, 9, 6) > > +#define M4U_PORT_L9_IMG_SMTO_D1 MTK_M4U_DOM_ID(2, 9, 7) > > +#define M4U_PORT_L9_IMG_CRZO_D1 MTK_M4U_DOM_ID(2, 9, 8) > > +#define M4U_PORT_L9_IMG_IMG3O_D1 MTK_M4U_DOM_ID(2, 9, 9) > > +#define M4U_PORT_L9_IMG_VIPI_D1 MTK_M4U_DOM_ID(2, 9, 10) > > +#define M4U_PORT_L9_IMG_SMTI_D5 MTK_M4U_DOM_ID(2, 9, 11) > > +#define M4U_PORT_L9_IMG_TIMGO_D1 MTK_M4U_DOM_ID(2, 9, 12) > > +#define M4U_PORT_L9_IMG_UFBC_W0 MTK_M4U_DOM_ID(2, 9, 13) > > +#define M4U_PORT_L9_IMG_UFBC_R0 MTK_M4U_DOM_ID(2, 9, 14) > > + > > ... _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel