[PATCH v5 0/5] Implement reset to EDL for qcs9100

[Sumit Garg]

On Tue, Jan 13, 2026 at 04:08:35PM +0530, Varadarajan Narayanan wrote:
> Using the 'reboot edl' command in Linux, the platform can reboot to the
> Emergency Download mode. Implement the same for U-Boot.
> 
> v5: * Update author and signed-off-by email id from quicinc.com to oss.qualcomm.com
>     * Add r-b tags
>     * Enable CONFIG_SYSRESET_QCOM_PSCI in qcom_defconfig instead of qcs9100_defconfig

Thanks for the patience with this patch-set.

Feel free to add:

Reviewed-by: Sumit Garg <sumit.garg at oss.qualcomm.com>

-Sumit

> 
> v4: * Update documentation about '-edl' option
>     * Add API to check for support of PSCI functions
>     * Check if RESET2 is supported before issuing the command
>     * Fix compiler warnings
> 
> v3: * Introduce a sysreset op that will pass down the 'reset' command
>       arguments to registered handlers
>     * Handle 'reset to edl' alone in qcom-psci driver
> 
> v2: * Rebased to recent sources
>     * Dropped the first patch as it is not applicable anymore
>     * Bind the new driver from psci driver
> 
> Varadarajan Narayanan (5):
>   arm: psci: Add API to check for support of specific PSCI function
>   drivers: sysreset: Add sysreset op that can take arguments
>   sysreset: Implement PSCI based reset to EDL mode for QCOM SoCs
>   cmd: boot: Add '-edl' option to reset command documentation
>   qcom_defconfig: enable psci based sysreset
> 
>  arch/arm/cpu/armv8/fwcall.c           | 15 +++++++++
>  arch/arm/include/asm/system.h         |  1 +
>  cmd/boot.c                            |  3 ++
>  configs/qcom_defconfig                |  1 +
>  doc/usage/cmd/reset.rst               |  2 ++
>  drivers/firmware/psci.c               |  4 +++
>  drivers/sysreset/Kconfig              |  6 ++++
>  drivers/sysreset/Makefile             |  1 +
>  drivers/sysreset/sysreset-uclass.c    | 32 +++++++++++++++++++
>  drivers/sysreset/sysreset_qcom-psci.c | 45 +++++++++++++++++++++++++++
>  include/sysreset.h                    | 18 +++++++++++
>  11 files changed, 128 insertions(+)
>  create mode 100644 drivers/sysreset/sysreset_qcom-psci.c
> 
> -- 
> 2.34.1
>