On Sat, Jul 11, 2020 at 2:50 PM Yong Wu <yong.wu@xxxxxxxxxxxx> 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 <yong.wu@xxxxxxxxxxxx> > --- > .../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. > +/* 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) > + > ...
