Hi Bjorn, A gentle reminder to review this series. All the patches have picked up R-b tags. If it looks okay to you, could you please help pick it up in the current merge window.
Thanks Vignesh On 5/5/2026 3:53 PM, Varadarajan Narayanan wrote: > As discussed in [4] posting this series after dropping IPQ5424 support > to remove dependency on Sricharan's tmel-qmp mailbox driver series v4 [1]. > > Imported from [email protected]. > > Imported from [email protected] > I've resumed Gokul's work as the last submission dates back April 2025. > > - Secure PIL is signed, firmware images which only TrustZone (TZ) > can authenticate and load. Linux kernel will send a request to TZ to > authenticate and load the PIL images. > > - When secure PIL support was added to the existing wcss PIL driver > earlier in [2], Bjorn suggested not to overload the existing WCSS > rproc driver, instead post a new driver for PAS based IPQ WCSS driver. > This series adds a new secure PIL driver for the same. > > - Also adds changes to scm to pass metadata size as required for IPQ5332, > reposted from [3]. > > [1] > https://patchwork.kernel.org/project/linux-arm-msm/cover/[email protected]/ > > [2] > https://patchwork.kernel.org/project/linux-arm-msm/patch/[email protected]/ > > [3] > https://patchwork.kernel.org/project/linux-arm-msm/patch/[email protected]/ > > [4] > https://lore.kernel.org/linux-arm-msm/aun7aer%[email protected]/ > > Changes in v12: > - No code change > - Rebase to ToT > - Change quicinc mail ids to oss.qualcomm.com mail ids > - Link to v11: > https://lore.kernel.org/linux-arm-msm/[email protected]/ > > Changes in v11: > - Add R-b tags > - Rebase the first patch ("firmware: qcom_scm: ipq5332: add support to > pass metadata size") to top of tree > - No change in other patches > - Link to v10: > https://lore.kernel.org/linux-arm-msm/[email protected]/ > > Changes in v10: > - Add R-b tags > - Remove unused fields from 'struct wcss_sec' > - Remove glink and ssr subdev if wcss_sec_probe() fails > - Link to v9: > https://lore.kernel.org/linux-arm-msm/[email protected]/ > > Changes in v9: > - Add R-b from Konrad for dts patches > - Renamed qcom,wcss-sec-pil.yaml -> qcom,ipq5018-wcss-sec-pil.yaml > - Restore clocks & clock-names in above yaml > - Fix DCO on two patches > - Link to v8: > https://lore.kernel.org/linux-arm-msm/[email protected]/ > > Changes in v8: > - Dropped Krzysztof's 'Reviewed-by' as the bindings file has changed > significantly > * IPQ5018 support added in v6 > * IPQ5424 support dropped in v8 > * Updated to use IPQ9574 as example > - dt-bindings-check and dtbs-check passed > - Dropped IPQ5424 support from drivers/remoteproc/qcom_q6v5_wcss_sec.c > - Updated copyrights of drivers/remoteproc/qcom_q6v5_wcss_sec.c > - Change 'qcom,smem-state-names' order to resolve dt-bindings-check > error in ipq5018.dtsi > - Dropped changes to ipq5424.dtsi > - Link to v7: > https://lore.kernel.org/linux-arm-msm/[email protected]/ > > Changes in v7: > - correctly sorted QCOM_SCM_PIL_PAS_INIT_IMAGE_V2 by command ID > - correctly sorted smp2p-wcss nodes in dtsi files > - Link to v6: > https://lore.kernel.org/r/[email protected] > > Changes in v6: > - added patch to fix IPC register offset for ipq5424 > - changed phandle description for mboxes property in dt-bindings > - updated bindings to define the right clocks per SoC based on > compatible. Ran make dt_binding_check for validation of all > SoCs > - use of more descriptive match data property (use_tmelcom) and > added a condition in wcss_start to not error out if tmelcom > isn't used > - mitigated potential off-by-one > - adopted use of of_reserved_mem_region_to_resource to acquire > memory-region resource > - added driver support for ipq5018 SoC > - corrected size of reg properties as per Konrad's comments > - added patch to bring up Q6 in ipq5018 dtsi > - Link to v5: > https://lore.kernel.org/r/[email protected] > > Changes in v5: > - retained all the patches as in v3 and addressed comments in > v3. > - reverted changes to dt-bindings done in v4 and retained as in > v3 and fixed firmware format from .mdt to .mbn and retained > reviewed-by. > - dropped 2 patches in v4 that adds support for q6 dtb loading. > Will post them as a new series. > > Following tests were done: > - checkpatch > - dt_binding_check and dtbs_check > - Link to v4: > https://lore.kernel.org/r/[email protected] > > Changes in v4: > - changed q6 firmware image format from .mdt to .mbn > - corrected arrangement of variable assignemnts as per comments > in qcom_scm.c > - added scm call to get board machid > - added support for q6 dtb loading with support for additional > reserved memory for q6 dtb in .mbn format > - updated dt-bindings to include new dts entry qcom,q6-dtb-info > and additional item in memory-region for q6 dtb region. > - removed unnecessary dependency for QCOM_Q6V5_WCSS_SEC in > Kconfig > - removed unwanted header files in qcom_q6v5_wcss_sec.c > - removed repeated dtb parsing during runtime in qcom_q6v5_wcss_sec.c > - added required check for using tmelcom, if available. Enabled > fallback to scm based authentication, if tmelcom is unavailable. > - added necessary padding for 8digt hex address in dts > - Link to v3: > https://lore.kernel.org/r/[email protected] > > Following tests were done: > - checkpatch > - kernel-doc > - dt_binding_check and dtbs_check > > Changes in v3: > - fixed copyright years and markings based on Jeff's comments. > - replaced devm_ioremap_wc() with ioremap_wc() in > wcss_sec_copy_segment(). > - replaced rproc_alloc() and rproc_add() with their devres > counterparts. > - added mailbox call to tmelcom for secure image authentication > as required for IPQ5424. Added ipq5424 APCS comatible required. > - added changes to scm call to pass metadata size as required for > IPQ5332. > - Link to v2: > https://lore.kernel.org/r/[email protected] > > Changes in v2: > - Removed dependency of this series to q6 clock removal series > as recommended by Krzysztof > - Link to v1: > https://lore.kernel.org/r/[email protected] > > George Moussalem (1): > arm64: dts: qcom: ipq5018: add nodes to bring up q6 > > Manikanta Mylavarapu (4): > firmware: qcom_scm: ipq5332: add support to pass metadata size > dt-bindings: remoteproc: qcom: document hexagon based WCSS secure PIL > arm64: dts: qcom: ipq5332: add nodes to bring up q6 > arm64: dts: qcom: ipq9574: add nodes to bring up q6 > > Vignesh Viswanathan (1): > remoteproc: qcom: add hexagon based WCSS secure PIL driver > > .../remoteproc/qcom,ipq5018-wcss-sec-pil.yaml | 178 ++++++++++ > arch/arm64/boot/dts/qcom/ipq5018.dtsi | 64 ++++ > arch/arm64/boot/dts/qcom/ipq5332.dtsi | 64 +++- > arch/arm64/boot/dts/qcom/ipq9574.dtsi | 60 +++- > drivers/firmware/qcom/qcom_scm.c | 14 +- > drivers/firmware/qcom/qcom_scm.h | 1 + > drivers/remoteproc/Kconfig | 19 + > drivers/remoteproc/Makefile | 1 + > drivers/remoteproc/qcom_q6v5_wcss_sec.c | 325 ++++++++++++++++++ > include/linux/remoteproc.h | 2 + > 10 files changed, 723 insertions(+), 5 deletions(-) > create mode 100644 > Documentation/devicetree/bindings/remoteproc/qcom,ipq5018-wcss-sec-pil.yaml > create mode 100644 drivers/remoteproc/qcom_q6v5_wcss_sec.c > > > base-commit: 9d0d467c3572e93c5faa2e5906a8bbcd70b24efd

