linux.git/include/soc/mediatek, branch v6.12.80

iommu/mediatek: Add enable IOMMU SMC command for INFRA masters

2023-08-07T12:15:48+00:00

Prepare for MT8188. In MT8188, the register which enables IOMMU for
INFRA masters are in the secure world for security concerns, therefore we
add a SMC command for INFRA masters to enable IOMMU in ATF.

Signed-off-by: Chengci.Xu 
Signed-off-by: Yong Wu 
Reviewed-by: AngeloGioacchino Del Regno 
Reviewed-by: Alexandre Mergnat 
Link: https://lore.kernel.org/r/20230602090227.7264-5-yong.wu@mediatek.com
Signed-off-by: Joerg Roedel

memory: mtk-smi: Add enable IOMMU SMC command for MM master

2022-08-30T17:54:05+00:00

For concerns about security, the register to enable/disable IOMMU of
SMI LARB should only be configured in secure world. Thus, we add some
SMC command for multimedia master to enable/disable MM IOMMU in ATF by
setting the register of SMI LARB. This function is prepared for MT8188.

Signed-off-by: Chengci.Xu 
Signed-off-by: Krzysztof Kozlowski 
Link: https://lore.kernel.org/r/20220817124608.10062-4-chengci.xu@mediatek.com

media: memory: mtk-smi: Get rid of mtk_smi_larb_get/put

2022-01-28T14:30:21+00:00

After adding device_link between the iommu consumer and smi-larb,
the pm_runtime_get(_sync) of smi-larb and smi-common will be called
automatically. we can get rid of mtk_smi_larb_get/put.

Signed-off-by: Yong Wu 
Reviewed-by: Evan Green 
Acked-by: Krzysztof Kozlowski 
Acked-by: Matthias Brugger 
Reviewed-by: Dafna Hirschfeld 
Tested-by: Frank Wunderlich  # BPI-R2/MT7623
Reviewed-by: AngeloGioacchino Del Regno 
Signed-off-by: Hans Verkuil 
Signed-off-by: Mauro Carvalho Chehab

Merge tag 'iommu-updates-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

2021-02-22T18:31:29+00:00

Pull iommu updates from Joerg Roedel:

 - ARM SMMU and Mediatek updates from Will Deacon:
     - Support for MT8192 IOMMU from Mediatek
     - Arm v7s io-pgtable extensions for MT8192
     - Removal of TLBI_ON_MAP quirk
     - New Qualcomm compatible strings
     - Allow SVA without hardware broadcast TLB maintenance on SMMUv3
     - Virtualization Host Extension support for SMMUv3 (SVA)
     - Allow SMMUv3 PMU perf driver to be built independently from IOMMU

 - Some tidy-up in IOVA and core code

 - Conversion of the AMD IOMMU code to use the generic IO-page-table
   framework

 - Intel VT-d updates from Lu Baolu:
     - Audit capability consistency among different IOMMUs
     - Add SATC reporting structure support
     - Add iotlb_sync_map callback support

 - SDHI support for Renesas IOMMU driver

 - Misc cleanups and other small improvments

* tag 'iommu-updates-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (94 commits)
  iommu/amd: Fix performance counter initialization
  MAINTAINERS: repair file pattern in MEDIATEK IOMMU DRIVER
  iommu/mediatek: Fix error code in probe()
  iommu/mediatek: Fix unsigned domid comparison with less than zero
  iommu/vt-d: Parse SATC reporting structure
  iommu/vt-d: Add new enum value and structure for SATC
  iommu/vt-d: Add iotlb_sync_map callback
  iommu/vt-d: Move capability check code to cap_audit files
  iommu/vt-d: Audit IOMMU Capabilities and add helper functions
  iommu/vt-d: Fix 'physical' typos
  iommu: Properly pass gfp_t in _iommu_map() to avoid atomic sleeping
  iommu/vt-d: Fix compile error [-Werror=implicit-function-declaration]
  driver/perf: Remove ARM_SMMU_V3_PMU dependency on ARM_SMMU_V3
  MAINTAINERS: Add entry for MediaTek IOMMU
  iommu/mediatek: Add mt8192 support
  iommu/mediatek: Remove unnecessary check in attach_device
  iommu/mediatek: Support master use iova over 32bit
  iommu/mediatek: Add iova reserved function
  iommu/mediatek: Support for multi domains
  iommu/mediatek: Add get_domain_id from dev->dma_range_map
  ...

iommu/mediatek: Support master use iova over 32bit

2021-02-01T11:31:19+00:00

After extending v7s, our pagetable already support iova reach
16GB(34bit). the master got the iova via dma_alloc_attrs may reach
34bits, but its HW register still is 32bit. then how to set the
bit32/bit33 iova? this depend on a SMI larb setting(bank_sel).

we separate whole 16GB iova to four banks:
bank: 0: 0~4G; 1: 4~8G; 2: 8-12G; 3: 12-16G;
The bank number is (iova >> 32).

We will preassign which bank the larbs belong to. currently we don't
have a interface for master to adjust its bank number.

Each a bank is a iova_region which is a independent iommu-domain.
the iova range for each iommu-domain can't cross 4G.

Signed-off-by: Yong Wu 
Acked-by: Krzysztof Kozlowski  #for memory part
Reviewed-by: Tomasz Figa 
Link: https://lore.kernel.org/r/20210111111914.22211-31-yong.wu@mediatek.com
Signed-off-by: Will Deacon

iommu/mediatek: Use the common mtk-memory-port.h

2021-02-01T11:31:16+00:00

Use the common memory header(larb-port) in the source code.

Signed-off-by: Yong Wu 
Acked-by: Krzysztof Kozlowski 
Reviewed-by: Tomasz Figa 
Link: https://lore.kernel.org/r/20210111111914.22211-9-yong.wu@mediatek.com
Signed-off-by: Will Deacon

memory: mtk-smi: Allow building as module

2021-01-26T19:47:51+00:00

Add support for building the SMI driver as module. Switch MTK_SMI to
tristate, and add module_exit/module_license.

Signed-off-by: Yong Wu 
Link: https://lore.kernel.org/r/20210126060055.11050-1-yong.wu@mediatek.com
Signed-off-by: Krzysztof Kozlowski

iommu/mediatek: Clean up struct mtk_smi_iommu

2019-08-30T13:57:27+00:00

Remove the "struct mtk_smi_iommu" to simplify the code since it has only
one item in it right now.

Signed-off-by: Yong Wu 
Reviewed-by: Matthias Brugger 
Signed-off-by: Joerg Roedel

memory: mtk-smi: Get rid of need_larbid

2019-08-30T13:57:27+00:00

The "mediatek,larb-id" has already been parsed in MTK IOMMU driver.
It's no need to parse it again in SMI driver. Only clean some codes.
This patch is fit for all the current mt2701, mt2712, mt7623, mt8173
and mt8183.

After this patch, the "mediatek,larb-id" only be needed for mt2712
which have 2 M4Us. In the other SoCs, we can get the larb-id from M4U
in which the larbs in the "mediatek,larbs" always are ordered.

Correspondingly, the larb_nr in the "struct mtk_smi_iommu" could also
be deleted.

CC: Matthias Brugger 
Signed-off-by: Yong Wu 
Reviewed-by: Evan Green 
Reviewed-by: Matthias Brugger 
Signed-off-by: Joerg Roedel

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174

2019-05-30T18:26:41+00:00

Based on 1 normalized pattern(s):

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license version 2 as
  published by the free software foundation this program is
  distributed in the hope that it will be useful but without any
  warranty without even the implied warranty of merchantability or
  fitness for a particular purpose see the gnu general public license
  for more details

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 655 file(s).

Signed-off-by: Thomas Gleixner 
Reviewed-by: Allison Randal 
Reviewed-by: Kate Stewart 
Reviewed-by: Richard Fontana 
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070034.575739538@linutronix.de
Signed-off-by: Greg Kroah-Hartman