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Date: Mon, 28 Feb 2022 13:20:00 +0100
From: Matthias Brugger <matthias.bgg@...il.com>
To: Yong Wu <yong.wu@...iatek.com>, Joerg Roedel <joro@...tes.org>,
Rob Herring <robh+dt@...nel.org>, Will Deacon <will@...nel.org>
Cc: Robin Murphy <robin.murphy@....com>,
Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
Tomasz Figa <tfiga@...omium.org>,
linux-mediatek@...ts.infradead.org, srv_heupstream@...iatek.com,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
iommu@...ts.linux-foundation.org,
Hsin-Yi Wang <hsinyi@...omium.org>, youlin.pei@...iatek.com,
anan.sun@...iatek.com, xueqi.zhang@...iatek.com,
yen-chang.chen@...iatek.com,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@...labora.com>,
mingyuan.ma@...iatek.com, yf.wang@...iatek.com,
libo.kang@...iatek.com, chengci.xu@...iatek.com
Subject: Re: [PATCH v2 1/2] dt-bindings: mediatek: mt8186: Add binding for MM
iommu
On 23/02/2022 08:24, Yong Wu wrote:
> Add mt8186 iommu binding. "-mm" means the iommu is for Multimedia.
>
> Signed-off-by: Yong Wu <yong.wu@...iatek.com>
> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
> Reviewed-by: Rob Herring <robh@...nel.org>
Reviewed-by: Matthias Brugger <matthias.bgg@...il.com>
> ---
> .../bindings/iommu/mediatek,iommu.yaml | 4 +
> .../dt-bindings/memory/mt8186-memory-port.h | 217 ++++++++++++++++++
> 2 files changed, 221 insertions(+)
> create mode 100644 include/dt-bindings/memory/mt8186-memory-port.h
>
> diff --git a/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
> index c528a299afa9..d78df484bb76 100644
> --- a/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
> +++ b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
> @@ -76,6 +76,7 @@ properties:
> - mediatek,mt8167-m4u # generation two
> - mediatek,mt8173-m4u # generation two
> - mediatek,mt8183-m4u # generation two
> + - mediatek,mt8186-iommu-mm # generation two
> - mediatek,mt8192-m4u # generation two
> - mediatek,mt8195-iommu-vdo # generation two
> - mediatek,mt8195-iommu-vpp # generation two
> @@ -120,6 +121,7 @@ properties:
> dt-binding/memory/mt8167-larb-port.h for mt8167,
> dt-binding/memory/mt8173-larb-port.h for mt8173,
> dt-binding/memory/mt8183-larb-port.h for mt8183,
> + dt-binding/memory/mt8186-memory-port.h for mt8186,
> dt-binding/memory/mt8192-larb-port.h for mt8192.
> dt-binding/memory/mt8195-memory-port.h for mt8195.
>
> @@ -141,6 +143,7 @@ allOf:
> - mediatek,mt2701-m4u
> - mediatek,mt2712-m4u
> - mediatek,mt8173-m4u
> + - mediatek,mt8186-iommu-mm
> - mediatek,mt8192-m4u
> - mediatek,mt8195-iommu-vdo
> - mediatek,mt8195-iommu-vpp
> @@ -153,6 +156,7 @@ allOf:
> properties:
> compatible:
> enum:
> + - mediatek,mt8186-iommu-mm
> - mediatek,mt8192-m4u
> - mediatek,mt8195-iommu-vdo
> - mediatek,mt8195-iommu-vpp
> diff --git a/include/dt-bindings/memory/mt8186-memory-port.h b/include/dt-bindings/memory/mt8186-memory-port.h
> new file mode 100644
> index 000000000000..bda265725870
> --- /dev/null
> +++ b/include/dt-bindings/memory/mt8186-memory-port.h
> @@ -0,0 +1,217 @@
> +/* SPDX-License-Identifier: GPL-2.0-only */
> +/*
> + * Copyright (c) 2022 MediaTek Inc.
> + *
> + * Author: Anan Sun <anan.sun@...iatek.com>
> + * Author: Yong Wu <yong.wu@...iatek.com>
> + */
> +#ifndef _DT_BINDINGS_MEMORY_MT8186_LARB_PORT_H_
> +#define _DT_BINDINGS_MEMORY_MT8186_LARB_PORT_H_
> +
> +#include <dt-bindings/memory/mtk-memory-port.h>
> +
> +/*
> + * MM IOMMU supports 16GB dma address. We separate it to four ranges:
> + * 0 ~ 4G; 4G ~ 8G; 8G ~ 12G; 12G ~ 16G, we could adjust these masters
> + * locate in anyone bank. BUT:
> + * a) Make sure all the ports inside a larb are in one range.
> + * b) The iova of any master can NOT cross the 4G/8G/12G boundary.
> + *
> + * This is the suggested mapping in this SoC:
> + *
> + * modules dma-address-region larbs-ports
> + * disp 0 ~ 4G larb0/1/2
> + * vcodec 4G ~ 8G larb4/7
> + * cam/mdp 8G ~ 12G the other larbs.
> + * N/A 12G ~ 16G
> + * CCU0 0x24000_0000 ~ 0x243ff_ffff larb13: port 9/10
> + * CCU1 0x24400_0000 ~ 0x247ff_ffff larb14: port 4/5
> + */
> +
> +/* MM IOMMU ports */
> +/* LARB 0 -- MMSYS */
> +#define IOMMU_PORT_L0_DISP_POSTMASK0 MTK_M4U_ID(0, 0)
> +#define IOMMU_PORT_L0_REVERSED MTK_M4U_ID(0, 1)
> +#define IOMMU_PORT_L0_OVL_RDMA0 MTK_M4U_ID(0, 2)
> +#define IOMMU_PORT_L0_DISP_FAKE0 MTK_M4U_ID(0, 3)
> +
> +/* LARB 1 -- MMSYS */
> +#define IOMMU_PORT_L1_DISP_RDMA1 MTK_M4U_ID(1, 0)
> +#define IOMMU_PORT_L1_OVL_2L_RDMA0 MTK_M4U_ID(1, 1)
> +#define IOMMU_PORT_L1_DISP_RDMA0 MTK_M4U_ID(1, 2)
> +#define IOMMU_PORT_L1_DISP_WDMA0 MTK_M4U_ID(1, 3)
> +#define IOMMU_PORT_L1_DISP_FAKE1 MTK_M4U_ID(1, 4)
> +
> +/* LARB 2 -- MMSYS */
> +#define IOMMU_PORT_L2_MDP_RDMA0 MTK_M4U_ID(2, 0)
> +#define IOMMU_PORT_L2_MDP_RDMA1 MTK_M4U_ID(2, 1)
> +#define IOMMU_PORT_L2_MDP_WROT0 MTK_M4U_ID(2, 2)
> +#define IOMMU_PORT_L2_MDP_WROT1 MTK_M4U_ID(2, 3)
> +#define IOMMU_PORT_L2_DISP_FAKE0 MTK_M4U_ID(2, 4)
> +
> +/* LARB 4 -- VDEC */
> +#define IOMMU_PORT_L4_HW_VDEC_MC_EXT MTK_M4U_ID(4, 0)
> +#define IOMMU_PORT_L4_HW_VDEC_UFO_EXT MTK_M4U_ID(4, 1)
> +#define IOMMU_PORT_L4_HW_VDEC_PP_EXT MTK_M4U_ID(4, 2)
> +#define IOMMU_PORT_L4_HW_VDEC_PRED_RD_EXT MTK_M4U_ID(4, 3)
> +#define IOMMU_PORT_L4_HW_VDEC_PRED_WR_EXT MTK_M4U_ID(4, 4)
> +#define IOMMU_PORT_L4_HW_VDEC_PPWRAP_EXT MTK_M4U_ID(4, 5)
> +#define IOMMU_PORT_L4_HW_VDEC_TILE_EXT MTK_M4U_ID(4, 6)
> +#define IOMMU_PORT_L4_HW_VDEC_VLD_EXT MTK_M4U_ID(4, 7)
> +#define IOMMU_PORT_L4_HW_VDEC_VLD2_EXT MTK_M4U_ID(4, 8)
> +#define IOMMU_PORT_L4_HW_VDEC_AVC_MV_EXT MTK_M4U_ID(4, 9)
> +#define IOMMU_PORT_L4_HW_VDEC_UFO_ENC_EXT MTK_M4U_ID(4, 10)
> +#define IOMMU_PORT_L4_HW_VDEC_RG_CTRL_DMA_EXT MTK_M4U_ID(4, 11)
> +#define IOMMU_PORT_L4_HW_MINI_MDP_R0_EXT MTK_M4U_ID(4, 12)
> +#define IOMMU_PORT_L4_HW_MINI_MDP_W0_EXT MTK_M4U_ID(4, 13)
> +
> +/* LARB 7 -- VENC */
> +#define IOMMU_PORT_L7_VENC_RCPU MTK_M4U_ID(7, 0)
> +#define IOMMU_PORT_L7_VENC_REC MTK_M4U_ID(7, 1)
> +#define IOMMU_PORT_L7_VENC_BSDMA MTK_M4U_ID(7, 2)
> +#define IOMMU_PORT_L7_VENC_SV_COMV MTK_M4U_ID(7, 3)
> +#define IOMMU_PORT_L7_VENC_RD_COMV MTK_M4U_ID(7, 4)
> +#define IOMMU_PORT_L7_VENC_CUR_LUMA MTK_M4U_ID(7, 5)
> +#define IOMMU_PORT_L7_VENC_CUR_CHROMA MTK_M4U_ID(7, 6)
> +#define IOMMU_PORT_L7_VENC_REF_LUMA MTK_M4U_ID(7, 7)
> +#define IOMMU_PORT_L7_VENC_REF_CHROMA MTK_M4U_ID(7, 8)
> +#define IOMMU_PORT_L7_JPGENC_Y_RDMA MTK_M4U_ID(7, 9)
> +#define IOMMU_PORT_L7_JPGENC_C_RDMA MTK_M4U_ID(7, 10)
> +#define IOMMU_PORT_L7_JPGENC_Q_TABLE MTK_M4U_ID(7, 11)
> +#define IOMMU_PORT_L7_JPGENC_BSDMA MTK_M4U_ID(7, 12)
> +
> +/* LARB 8 -- WPE */
> +#define IOMMU_PORT_L8_WPE_RDMA_0 MTK_M4U_ID(8, 0)
> +#define IOMMU_PORT_L8_WPE_RDMA_1 MTK_M4U_ID(8, 1)
> +#define IOMMU_PORT_L8_WPE_WDMA_0 MTK_M4U_ID(8, 2)
> +
> +/* LARB 9 -- IMG-1 */
> +#define IOMMU_PORT_L9_IMG_IMGI_D1 MTK_M4U_ID(9, 0)
> +#define IOMMU_PORT_L9_IMG_IMGBI_D1 MTK_M4U_ID(9, 1)
> +#define IOMMU_PORT_L9_IMG_DMGI_D1 MTK_M4U_ID(9, 2)
> +#define IOMMU_PORT_L9_IMG_DEPI_D1 MTK_M4U_ID(9, 3)
> +#define IOMMU_PORT_L9_IMG_LCE_D1 MTK_M4U_ID(9, 4)
> +#define IOMMU_PORT_L9_IMG_SMTI_D1 MTK_M4U_ID(9, 5)
> +#define IOMMU_PORT_L9_IMG_SMTO_D2 MTK_M4U_ID(9, 6)
> +#define IOMMU_PORT_L9_IMG_SMTO_D1 MTK_M4U_ID(9, 7)
> +#define IOMMU_PORT_L9_IMG_CRZO_D1 MTK_M4U_ID(9, 8)
> +#define IOMMU_PORT_L9_IMG_IMG3O_D1 MTK_M4U_ID(9, 9)
> +#define IOMMU_PORT_L9_IMG_VIPI_D1 MTK_M4U_ID(9, 10)
> +#define IOMMU_PORT_L9_IMG_SMTI_D5 MTK_M4U_ID(9, 11)
> +#define IOMMU_PORT_L9_IMG_TIMGO_D1 MTK_M4U_ID(9, 12)
> +#define IOMMU_PORT_L9_IMG_UFBC_W0 MTK_M4U_ID(9, 13)
> +#define IOMMU_PORT_L9_IMG_UFBC_R0 MTK_M4U_ID(9, 14)
> +#define IOMMU_PORT_L9_IMG_WPE_RDMA1 MTK_M4U_ID(9, 15)
> +#define IOMMU_PORT_L9_IMG_WPE_RDMA0 MTK_M4U_ID(9, 16)
> +#define IOMMU_PORT_L9_IMG_WPE_WDMA MTK_M4U_ID(9, 17)
> +#define IOMMU_PORT_L9_IMG_MFB_RDMA0 MTK_M4U_ID(9, 18)
> +#define IOMMU_PORT_L9_IMG_MFB_RDMA1 MTK_M4U_ID(9, 19)
> +#define IOMMU_PORT_L9_IMG_MFB_RDMA2 MTK_M4U_ID(9, 20)
> +#define IOMMU_PORT_L9_IMG_MFB_RDMA3 MTK_M4U_ID(9, 21)
> +#define IOMMU_PORT_L9_IMG_MFB_RDMA4 MTK_M4U_ID(9, 22)
> +#define IOMMU_PORT_L9_IMG_MFB_RDMA5 MTK_M4U_ID(9, 23)
> +#define IOMMU_PORT_L9_IMG_MFB_WDMA0 MTK_M4U_ID(9, 24)
> +#define IOMMU_PORT_L9_IMG_MFB_WDMA1 MTK_M4U_ID(9, 25)
> +#define IOMMU_PORT_L9_IMG_RESERVE6 MTK_M4U_ID(9, 26)
> +#define IOMMU_PORT_L9_IMG_RESERVE7 MTK_M4U_ID(9, 27)
> +#define IOMMU_PORT_L9_IMG_RESERVE8 MTK_M4U_ID(9, 28)
> +
> +/* LARB 11 -- IMG-2 */
> +#define IOMMU_PORT_L11_IMG_IMGI_D1 MTK_M4U_ID(11, 0)
> +#define IOMMU_PORT_L11_IMG_IMGBI_D1 MTK_M4U_ID(11, 1)
> +#define IOMMU_PORT_L11_IMG_DMGI_D1 MTK_M4U_ID(11, 2)
> +#define IOMMU_PORT_L11_IMG_DEPI_D1 MTK_M4U_ID(11, 3)
> +#define IOMMU_PORT_L11_IMG_LCE_D1 MTK_M4U_ID(11, 4)
> +#define IOMMU_PORT_L11_IMG_SMTI_D1 MTK_M4U_ID(11, 5)
> +#define IOMMU_PORT_L11_IMG_SMTO_D2 MTK_M4U_ID(11, 6)
> +#define IOMMU_PORT_L11_IMG_SMTO_D1 MTK_M4U_ID(11, 7)
> +#define IOMMU_PORT_L11_IMG_CRZO_D1 MTK_M4U_ID(11, 8)
> +#define IOMMU_PORT_L11_IMG_IMG3O_D1 MTK_M4U_ID(11, 9)
> +#define IOMMU_PORT_L11_IMG_VIPI_D1 MTK_M4U_ID(11, 10)
> +#define IOMMU_PORT_L11_IMG_SMTI_D5 MTK_M4U_ID(11, 11)
> +#define IOMMU_PORT_L11_IMG_TIMGO_D1 MTK_M4U_ID(11, 12)
> +#define IOMMU_PORT_L11_IMG_UFBC_W0 MTK_M4U_ID(11, 13)
> +#define IOMMU_PORT_L11_IMG_UFBC_R0 MTK_M4U_ID(11, 14)
> +#define IOMMU_PORT_L11_IMG_WPE_RDMA1 MTK_M4U_ID(11, 15)
> +#define IOMMU_PORT_L11_IMG_WPE_RDMA0 MTK_M4U_ID(11, 16)
> +#define IOMMU_PORT_L11_IMG_WPE_WDMA MTK_M4U_ID(11, 17)
> +#define IOMMU_PORT_L11_IMG_MFB_RDMA0 MTK_M4U_ID(11, 18)
> +#define IOMMU_PORT_L11_IMG_MFB_RDMA1 MTK_M4U_ID(11, 19)
> +#define IOMMU_PORT_L11_IMG_MFB_RDMA2 MTK_M4U_ID(11, 20)
> +#define IOMMU_PORT_L11_IMG_MFB_RDMA3 MTK_M4U_ID(11, 21)
> +#define IOMMU_PORT_L11_IMG_MFB_RDMA4 MTK_M4U_ID(11, 22)
> +#define IOMMU_PORT_L11_IMG_MFB_RDMA5 MTK_M4U_ID(11, 23)
> +#define IOMMU_PORT_L11_IMG_MFB_WDMA0 MTK_M4U_ID(11, 24)
> +#define IOMMU_PORT_L11_IMG_MFB_WDMA1 MTK_M4U_ID(11, 25)
> +#define IOMMU_PORT_L11_IMG_RESERVE6 MTK_M4U_ID(11, 26)
> +#define IOMMU_PORT_L11_IMG_RESERVE7 MTK_M4U_ID(11, 27)
> +#define IOMMU_PORT_L11_IMG_RESERVE8 MTK_M4U_ID(11, 28)
> +
> +/* LARB 13 -- CAM */
> +#define IOMMU_PORT_L13_CAM_MRAWI MTK_M4U_ID(13, 0)
> +#define IOMMU_PORT_L13_CAM_MRAWO_0 MTK_M4U_ID(13, 1)
> +#define IOMMU_PORT_L13_CAM_MRAWO_1 MTK_M4U_ID(13, 2)
> +#define IOMMU_PORT_L13_CAM_CAMSV_4 MTK_M4U_ID(13, 6)
> +#define IOMMU_PORT_L13_CAM_CAMSV_5 MTK_M4U_ID(13, 7)
> +#define IOMMU_PORT_L13_CAM_CAMSV_6 MTK_M4U_ID(13, 8)
> +#define IOMMU_PORT_L13_CAM_CCUI MTK_M4U_ID(13, 9)
> +#define IOMMU_PORT_L13_CAM_CCUO MTK_M4U_ID(13, 10)
> +#define IOMMU_PORT_L13_CAM_FAKE MTK_M4U_ID(13, 11)
> +
> +/* LARB 14 -- CAM */
> +#define IOMMU_PORT_L14_CAM_CCUI MTK_M4U_ID(14, 4)
> +#define IOMMU_PORT_L14_CAM_CCUO MTK_M4U_ID(14, 5)
> +
> +/* LARB 16 -- RAW-A */
> +#define IOMMU_PORT_L16_CAM_IMGO_R1_A MTK_M4U_ID(16, 0)
> +#define IOMMU_PORT_L16_CAM_RRZO_R1_A MTK_M4U_ID(16, 1)
> +#define IOMMU_PORT_L16_CAM_CQI_R1_A MTK_M4U_ID(16, 2)
> +#define IOMMU_PORT_L16_CAM_BPCI_R1_A MTK_M4U_ID(16, 3)
> +#define IOMMU_PORT_L16_CAM_YUVO_R1_A MTK_M4U_ID(16, 4)
> +#define IOMMU_PORT_L16_CAM_UFDI_R2_A MTK_M4U_ID(16, 5)
> +#define IOMMU_PORT_L16_CAM_RAWI_R2_A MTK_M4U_ID(16, 6)
> +#define IOMMU_PORT_L16_CAM_RAWI_R3_A MTK_M4U_ID(16, 7)
> +#define IOMMU_PORT_L16_CAM_AAO_R1_A MTK_M4U_ID(16, 8)
> +#define IOMMU_PORT_L16_CAM_AFO_R1_A MTK_M4U_ID(16, 9)
> +#define IOMMU_PORT_L16_CAM_FLKO_R1_A MTK_M4U_ID(16, 10)
> +#define IOMMU_PORT_L16_CAM_LCESO_R1_A MTK_M4U_ID(16, 11)
> +#define IOMMU_PORT_L16_CAM_CRZO_R1_A MTK_M4U_ID(16, 12)
> +#define IOMMU_PORT_L16_CAM_LTMSO_R1_A MTK_M4U_ID(16, 13)
> +#define IOMMU_PORT_L16_CAM_RSSO_R1_A MTK_M4U_ID(16, 14)
> +#define IOMMU_PORT_L16_CAM_AAHO_R1_A MTK_M4U_ID(16, 15)
> +#define IOMMU_PORT_L16_CAM_LSCI_R1_A MTK_M4U_ID(16, 16)
> +
> +/* LARB 17 -- RAW-B */
> +#define IOMMU_PORT_L17_CAM_IMGO_R1_B MTK_M4U_ID(17, 0)
> +#define IOMMU_PORT_L17_CAM_RRZO_R1_B MTK_M4U_ID(17, 1)
> +#define IOMMU_PORT_L17_CAM_CQI_R1_B MTK_M4U_ID(17, 2)
> +#define IOMMU_PORT_L17_CAM_BPCI_R1_B MTK_M4U_ID(17, 3)
> +#define IOMMU_PORT_L17_CAM_YUVO_R1_B MTK_M4U_ID(17, 4)
> +#define IOMMU_PORT_L17_CAM_UFDI_R2_B MTK_M4U_ID(17, 5)
> +#define IOMMU_PORT_L17_CAM_RAWI_R2_B MTK_M4U_ID(17, 6)
> +#define IOMMU_PORT_L17_CAM_RAWI_R3_B MTK_M4U_ID(17, 7)
> +#define IOMMU_PORT_L17_CAM_AAO_R1_B MTK_M4U_ID(17, 8)
> +#define IOMMU_PORT_L17_CAM_AFO_R1_B MTK_M4U_ID(17, 9)
> +#define IOMMU_PORT_L17_CAM_FLKO_R1_B MTK_M4U_ID(17, 10)
> +#define IOMMU_PORT_L17_CAM_LCESO_R1_B MTK_M4U_ID(17, 11)
> +#define IOMMU_PORT_L17_CAM_CRZO_R1_B MTK_M4U_ID(17, 12)
> +#define IOMMU_PORT_L17_CAM_LTMSO_R1_B MTK_M4U_ID(17, 13)
> +#define IOMMU_PORT_L17_CAM_RSSO_R1_B MTK_M4U_ID(17, 14)
> +#define IOMMU_PORT_L17_CAM_AAHO_R1_B MTK_M4U_ID(17, 15)
> +#define IOMMU_PORT_L17_CAM_LSCI_R1_B MTK_M4U_ID(17, 16)
> +
> +/* LARB 19 -- IPE */
> +#define IOMMU_PORT_L19_IPE_DVS_RDMA MTK_M4U_ID(19, 0)
> +#define IOMMU_PORT_L19_IPE_DVS_WDMA MTK_M4U_ID(19, 1)
> +#define IOMMU_PORT_L19_IPE_DVP_RDMA MTK_M4U_ID(19, 2)
> +#define IOMMU_PORT_L19_IPE_DVP_WDMA MTK_M4U_ID(19, 3)
> +
> +/* LARB 20 -- IPE */
> +#define IOMMU_PORT_L20_IPE_FDVT_RDA MTK_M4U_ID(20, 0)
> +#define IOMMU_PORT_L20_IPE_FDVT_RDB MTK_M4U_ID(20, 1)
> +#define IOMMU_PORT_L20_IPE_FDVT_WRA MTK_M4U_ID(20, 2)
> +#define IOMMU_PORT_L20_IPE_FDVT_WRB MTK_M4U_ID(20, 3)
> +#define IOMMU_PORT_L20_IPE_RSC_RDMA0 MTK_M4U_ID(20, 4)
> +#define IOMMU_PORT_L20_IPE_RSC_WDMA MTK_M4U_ID(20, 5)
> +
> +#endif
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