Re: [PATCH v13 00/11] Add support for MT8195 SCP 2nd core

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Il 22/06/23 19:17, Mathieu Poirier ha scritto:
On Thu, Jun 22, 2023 at 12:00:08PM +0200, AngeloGioacchino Del Regno wrote:
Il 07/06/23 09:22, Tinghan Shen ha scritto:
The mediatek remoteproc driver currently only allows bringing up a
single core SCP, e.g. MT8183. It also only bringing up the 1st
core in SoCs with a dual-core SCP, e.g. MT8195. This series support
to bring-up the 2nd core of the dual-core SCP.


Hello TingHan,

Can you please address the comments on patch [05/11] and send a new version ASAP?
That's the only remaining issue, so after that the series should be ready.


There is also the refactoring work in patch 07, and I expect that to take a
while.


That's right, I forgot about that one. Thanks for that.

Cheers

Thanks,
Angelo

v12 -> v13:
1. replace subdevice with new mediatek scp operations in patchset 7
2. add review tag to patchset 3
3. modify mediatek,scp phandle name of video-codec@18000000 at patchset 11

v11 -> v12:
1. add scp_add_single/multi_core() to patchset 6
2. remove unused comment in patchset 6
3. rename list name from mtk_scp_cluster to mtk_scp_list
4. rewrite the multi-core probe flow
5. disable rproc->autoboot and boot rproc by request_firmware_nowait at patchset 7
6. remove patchset 7 review tag

v10 -> v11:
1. rewrite patchset 5 to probe single-core SCP with the cluster list
2. Also in patchset 5, move the pointer of mtk_scp object from the
     platform data property to the driver data property
3. move the appearance of mtk_scp cluster property to patcheset 7

v9 -> v10:
1. move the global mtk_scp list into the platform device driver data structure
2. remove an unnecessary if() condition

v8 -> v9:
1. initialize l1tcm_size/l1tcm_phys at patchset 05/11
2. rewrite patchset 06/11 to unify the flow and remove hacks

v7 -> v8:
1. update the node name of mt8192 asurada SCP rpmsg subnode
2. squash register definitions into driver patches
3. initialize local variables on the declaration at patch v8 06/11

v6 -> v7:
1. merge the mtk_scp_cluster struct into the mtk_scp structure
     at the "Probe multi-core SCP" patch

v5 -> v6:
1. move the mtk_scp_of_regs structure from mtk_common.h to mtk_scp.c
2. rename the SCP core 0 label from 'scp' to 'scp_c0'

v4 -> v5:
1. move resource release actions to the platform driver remove operation
2. fix dual-core watchdog handling

v3 -> v4:
1. change the representation of dual-core SCP in dts file and update SCP yaml
2. rewrite SCP driver to reflect the change of dts node
3. drop 'remove redundant call of rproc_boot for SCP' in v3 for further investigation

v2 -> v3:
1. change the representation of dual-core SCP in dts file and update SCP yaml
2. rewrite SCP driver to reflect the change of dts node
3. add SCP core 1 node to mt8195.dtsi
4. remove redundant call of rproc_boot for SCP
5. refine IPI error message

v1 -> v2:
1. update dt-binding property description
2. remove kconfig for scp dual driver
3. merge mtk_scp_dual.c and mtk_scp_subdev.c to mtk_scp.c


Tinghan Shen (11):
    dt-bindings: remoteproc: mediatek: Improve the rpmsg subnode
      definition
    arm64: dts: mediatek: Update the node name of SCP rpmsg subnode
    dt-bindings: remoteproc: mediatek: Support MT8195 dual-core SCP
    remoteproc: mediatek: Add MT8195 SCP core 1 operations
    remoteproc: mediatek: Introduce cluster on single-core SCP
    remoteproc: mediatek: Probe multi-core SCP
    remoteproc: mediatek: Add scp_boot_peers and scp_shutdown_peers
      operations
    remoteproc: mediatek: Setup MT8195 SCP core 1 SRAM offset
    remoteproc: mediatek: Handle MT8195 SCP core 1 watchdog timeout
    remoteproc: mediatek: Refine ipi handler error message
    arm64: dts: mediatek: mt8195: Add SCP 2nd core

   .../bindings/remoteproc/mtk,scp.yaml          | 176 +++++++-
   .../arm64/boot/dts/mediatek/mt8183-kukui.dtsi |   2 +-
   .../boot/dts/mediatek/mt8192-asurada.dtsi     |   2 +-
   .../boot/dts/mediatek/mt8195-cherry.dtsi      |   6 +-
   arch/arm64/boot/dts/mediatek/mt8195.dtsi      |  32 +-
   drivers/remoteproc/mtk_common.h               |  26 ++
   drivers/remoteproc/mtk_scp.c                  | 425 ++++++++++++++++--
   7 files changed, 594 insertions(+), 75 deletions(-)






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