Using the 'reboot edl' command in Linux, the platform can reboot to the
Emergency Download mode. Implement the same for U-Boot.
v6: * Add r-b Sumit
* Wrap the new code inside CONFIG_SYSRESET_CMD_RESET_ARGS
* Size change details
------------------------
qcom_qcs9100
------------------------
Building 2 commits for 1 boards (1 thread, 16 jobs per thread)
01: Merge tag 'u-boot-imx-master-20260117' of
https://gitlab.denx.de/u-boot/custodians/u-boot-imx
07: qcom_defconfig: enable psci based sysreset
2 0 0 /2 qcom_qcs9100
Completed: 2 total built, 2 newly), duration 0:00:25, rate 0.08
/tmp/qcom_qcs9100/tot/boards.cfg is up to date. Nothing to do.
Summary of 2 commits for 1 boards (1 thread, 16 jobs per thread)
01: Merge tag 'u-boot-imx-master-20260117' of
https://gitlab.denx.de/u-boot/custodians/u-boot-imx
07: qcom_defconfig: enable psci based sysreset
aarch64: (for 1/1 boards) all +145.0 data -40.0 rodata +89.0 text +96.0
qcom_qcs9100 : all +145 data -40 rodata +89 text +96
u-boot: add: 9/0, grow: 4/0 bytes: 656/0 (656)
function old new delta
sysreset_walk_arg - 124 +124
_u_boot_list_2_driver_2_qcom_psci_sysreset - 120
+120
qcom_psci_sysreset_request_arg - 84 +84
smc_call - 68 +68
do_reset 100 160 +60
psci_system_reset2 - 44 +44
psci_features - 44 +44
sysreset_request_arg - 32 +32
qcom_psci_sysreset_ops - 32 +32
psci_bind 188 212 +24
qcom_pshold_ops 24 32 +8
qcom_psci_sysreset_get_status - 8 +8
psci_sysreset_ops 24 32 +8
(no errors to report)
------------------------
qemu_arm
------------------------
Building 2 commits for 1 boards (1 thread, 16 jobs per thread)
01: Merge tag 'u-boot-imx-master-20260117' of
https://gitlab.denx.de/u-boot/custodians/u-boot-imx
07: qcom_defconfig: enable psci based sysreset
2 0 0 /2 qemu_arm
Completed: 2 total built, 2 newly), duration 0:00:19, rate 0.11
/tmp/qemu_arm/tot/boards.cfg is up to date. Nothing to do.
Summary of 2 commits for 1 boards (1 thread, 16 jobs per thread)
01: Merge tag 'u-boot-imx-master-20260117' of
https://gitlab.denx.de/u-boot/custodians/u-boot-imx
07: qcom_defconfig: enable psci based sysreset
(no errors to report)
------------------------
qemu_arm64
------------------------
Building 2 commits for 1 boards (1 thread, 16 jobs per thread)
01: Merge tag 'u-boot-imx-master-20260117' of
https://gitlab.denx.de/u-boot/custodians/u-boot-imx
07: qcom_defconfig: enable psci based sysreset
2 0 0 /2 qemu_arm64
Completed: 2 total built, 2 newly), duration 0:00:18, rate 0.11
/tmp/qemu_arm64/tot/boards.cfg is up to date. Nothing to do.
Summary of 2 commits for 1 boards (1 thread, 16 jobs per thread)
01: Merge tag 'u-boot-imx-master-20260117' of
https://gitlab.denx.de/u-boot/custodians/u-boot-imx
07: qcom_defconfig: enable psci based sysreset
aarch64: (for 1/1 boards) all +8.0 data +8.0
qemu_arm64 : all +8 data +8
u-boot: add: 0/0, grow: 1/0 bytes: 8/0 (8)
function old new delta
psci_sysreset_ops 24 32 +8
(no errors to report)
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
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 | 2 ++
doc/usage/cmd/reset.rst | 2 ++
drivers/firmware/psci.c | 4 +++
drivers/sysreset/Kconfig | 14 +++++++++
drivers/sysreset/Makefile | 1 +
drivers/sysreset/sysreset-uclass.c | 37 ++++++++++++++++++++++
drivers/sysreset/sysreset_qcom-psci.c | 45 +++++++++++++++++++++++++++
include/sysreset.h | 18 +++++++++++
11 files changed, 142 insertions(+)
create mode 100644 drivers/sysreset/sysreset_qcom-psci.c
--
2.34.1
