We want to stop parsing DeviceTree to gather hardware information. Instead we ask TF-A for those details using SMC calls. On real hardware platform it could be asking on-board Embedded Controller.
Hardware information (CPU, Memory) is now in SbsaQemuHardwareInfoLib together with new code for handling SMC stuff. There is no DT parsing anywhere. TF-A part is merged already (and we have it in edk2-non-osi): https://review.trustedfirmware.org/c/TF-A/trusted-firmware-a/+/25707 Patch 4 needs work to pass MemInfo as reference. Signed-off-by: Marcin Juszkiewicz <marcin.juszkiew...@linaro.org> Signed-off-by: Xiong Yining <xiongyining1...@phytium.com.cn> --- Change in v11: - adjust the order of patch 3 and patch 4. - add the signature. - Link to v10: https://openfw.io/edk2-devel/20240327140305.3802896-1-xiongyining1...@phytium.com.cn/ Changes in v10: - drop use aggregates as return types - Link to v9: https://openfw.io/edk2-devel/20240322-no-dt-for-cpu-v9-0-92e947e0f...@linaro.org/ Changes in v9: - recreated 3rd patch to drop all traces of Device Tree use - Link to v8: https://openfw.io/edk2-devel/20240320-no-dt-for-cpu-v8-0-599ba9986...@linaro.org Changes in v8: - added HardwareInfoLib library class - created SbsaQemuHardwareInfoLib as HardwareInfoLib - dropped SbsaQemu from functions (to keep HardwareInfoLib class generic) - Link to v7: https://openfw.io/edk2-devel/20240319-no-dt-for-cpu-v7-0-ac0a57a23...@linaro.org Changes in v7: - dropped CoreCount Pcd - code calls SbsaQemuGetCpuCount() instead - dropped DT fallbacks - we have up-to-date TF-A in edk2-non-osi - system shutdowns when there is no cpu or memory information - SbsaQemuHardwareInfoLib debug calls show function names - Link to v6: https://openfw.io/edk2-devel/20240306-no-dt-for-cpu-v6-0-acd8727a1...@linaro.org Changes in v6 (Marcin Juszkiewicz): - patch 5 now shutdowns system in case of no CPU information Changes in v5 (Xiong Yining): - added missing patch - Link to v4: https://openfw.io/edk2-devel/20240131132400.3022662-1-xiongyining1...@phytium.com.cn/ Changes in v4 (Xiong Yining): - patch 6 add the support for getting the hardware information of memory via SMC calls. - patch 7 add the callback of DeviceTree when SMC calls defined on patch 6 failled. - replace FdtHelperGetMpidr() with SbsaQemuGetMpidr() on patch 4 to compile successfully. - Link to v3: https://openfw.io/edk2-devel/20240131100027.2538549-1-xiongyining1...@phytium.com.cn/ Changes in v3: - added SMC_SIP_CALL_SUCCESS - on SMC call fail tell that SMC call failed instead of blaming TF-A - hang when there is no cpu information (TODO: shutdown instead) - Link to v2: https://openfw.io/edk2-devel/20240124-no-dt-for-cpu-v3-0-5375fcf09...@linaro.org/ Marcin Juszkiewicz (3): Platform/SbsaQemu: add SbsaQemuHardwareInfoLib Platform/SbsaQemu: use SbsaQemuHardwareInfoLib for cpu information Platform/SbsaQemu: drop use of DeviceTree Xiong Yining (1): Platform/SbsaQemu: get the information of memory via SMC calls Silicon/Qemu/SbsaQemu/SbsaQemu.dec | 3 +- Platform/Qemu/SbsaQemu/SbsaQemu.dsc | 11 +- .../Qemu/SbsaQemu/OemMiscLib/OemMiscLib.inf | 6 +- .../SbsaQemuAcpiDxe/SbsaQemuAcpiDxe.inf | 5 +- .../Library/FdtHelperLib/FdtHelperLib.inf | 33 ---- .../SbsaQemuHardwareInfoLib.inf | 29 ++++ .../Library/SbsaQemuLib/SbsaQemuLib.inf | 5 +- .../Include/IndustryStandard/SbsaQemuSmc.h | 19 ++- .../SbsaQemu/Include/Library/FdtHelperLib.h | 36 ----- .../Include/Library/HardwareInfoLib.h | 76 +++++++++ .../Qemu/SbsaQemu/OemMiscLib/OemMiscLib.c | 11 +- .../Drivers/SbsaQemuAcpiDxe/SbsaQemuAcpiDxe.c | 21 +-- .../SbsaQemuPlatformDxe/SbsaQemuPlatformDxe.c | 2 - .../Library/FdtHelperLib/FdtHelperLib.c | 98 ------------ .../SbsaQemuHardwareInfoLib.c | 145 ++++++++++++++++++ .../Library/SbsaQemuLib/SbsaQemuMem.c | 54 ++----- 16 files changed, 301 insertions(+), 253 deletions(-) delete mode 100644 Silicon/Qemu/SbsaQemu/Library/FdtHelperLib/FdtHelperLib.inf create mode 100644 Silicon/Qemu/SbsaQemu/Library/SbsaQemuHardwareInfoLib/SbsaQemuHardwareInfoLib.inf delete mode 100644 Silicon/Qemu/SbsaQemu/Include/Library/FdtHelperLib.h create mode 100644 Silicon/Qemu/SbsaQemu/Include/Library/HardwareInfoLib.h delete mode 100644 Silicon/Qemu/SbsaQemu/Library/FdtHelperLib/FdtHelperLib.c create mode 100644 Silicon/Qemu/SbsaQemu/Library/SbsaQemuHardwareInfoLib/SbsaQemuHardwareInfoLib.c -- 2.34.1 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#117198): https://edk2.groups.io/g/devel/message/117198 Mute This Topic: https://groups.io/mt/105177616/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
