Hello guys, gentle ping, any thoughts about these changes ?
On Tue, Mar 29, 2022 at 04:16:53PM +0100, abdellatif.elkhl...@arm.com wrote: > From: Abdellatif El Khlifi <abdellatif.elkhl...@arm.com> > > This patchset adds support for Arm FF-A (Arm Firmware Framework for Armv8-A > v1.0). > > FF-A support is generic by design and can be used by any Arm platform. > > The features added are as follows: > > 1/ FF-A device driver > 2/ armffa command > 3/ FF-A Sandbox driver > 4/ FF-A Sandbox test cases > 5/ FF-A MM communication > > > The suggested design sees FF-A as a data bus allowing data exchange with the > firmware > running under TrustZone HW (such as Optee). The same approach was followed in > the > FF-A driver in Linux kernel > (https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/firmware/arm_ffa/bus.c?h=v5.15#n211)) > > u-boot boards using FF-A can provide a device tree node in a > <board>-u-boot.dtsi file. > Since the node can not be hosted in Linux device tree, we suggest using > u-boot device tree. > > As a use case, we will send a commit enabling FF-A for the Corstone-1000 > platform and providing > the FF-A node in u-boot.dtsi files. > > Corstone-1000: > https://lore.kernel.org/u-boot/20220322104118.573537-1-rui.si...@linaro.org/ > > Cc: Tom Rini <tr...@konsulko.com> > > Abdellatif El Khlifi (6): > arm_ffa: introduce Arm FF-A low-level driver > arm_ffa: introduce armffa command > arm_ffa: introduce the FF-A Sandbox driver > arm_ffa: introduce Sandbox test cases for UCLASS_FFA > arm_ffa: introduce armffa command Sandbox test > arm_ffa: introduce FF-A MM communication > > MAINTAINERS | 15 + > arch/arm/cpu/armv8/cache.S | 16 + > arch/arm/cpu/armv8/cache_v8.c | 3 +- > arch/arm/cpu/armv8/smccc-call.S | 27 + > arch/arm/lib/asm-offsets.c | 6 + > arch/sandbox/dts/sandbox.dtsi | 10 + > arch/sandbox/dts/test.dts | 10 + > cmd/Kconfig | 10 + > cmd/Makefile | 2 + > cmd/armffa.c | 266 +++++ > common/board_r.c | 7 + > configs/sandbox64_defconfig | 2 + > configs/sandbox_defconfig | 2 + > doc/arch/sandbox.rst | 1 + > drivers/Kconfig | 2 + > drivers/Makefile | 1 + > drivers/arm-ffa/Kconfig | 32 + > drivers/arm-ffa/Makefile | 7 + > drivers/arm-ffa/arm-ffa-uclass.c | 102 ++ > drivers/arm-ffa/arm_ffa_prv.h | 200 ++++ > drivers/arm-ffa/core.c | 1463 +++++++++++++++++++++++++ > drivers/arm-ffa/sandbox.c | 735 +++++++++++++ > drivers/arm-ffa/sandbox_arm_ffa_prv.h | 128 +++ > include/arm_ffa.h | 197 ++++ > include/arm_ffa_helper.h | 45 + > include/dm/uclass-id.h | 1 + > include/linux/arm-smccc.h | 28 +- > include/mm_communication.h | 4 +- > include/sandbox_arm_ffa.h | 31 + > include/sandbox_arm_ffa_helper.h | 26 + > lib/Kconfig | 1 + > lib/Makefile | 1 + > lib/arm-ffa/Kconfig | 6 + > lib/arm-ffa/Makefile | 9 + > lib/arm-ffa/arm_ffa_helper.c | 188 ++++ > lib/arm-ffa/sandbox_arm_ffa_helper.c | 23 + > lib/efi_loader/Kconfig | 14 +- > lib/efi_loader/efi_boottime.c | 17 + > lib/efi_loader/efi_variable_tee.c | 294 ++++- > test/cmd/Makefile | 1 + > test/cmd/armffa.c | 33 + > test/cmd/armffa.h | 13 + > test/dm/Makefile | 1 + > test/dm/ffa.c | 424 +++++++ > test/dm/ffa.h | 22 + > 45 files changed, 4415 insertions(+), 11 deletions(-) > create mode 100644 cmd/armffa.c > create mode 100644 drivers/arm-ffa/Kconfig > create mode 100644 drivers/arm-ffa/Makefile > create mode 100644 drivers/arm-ffa/arm-ffa-uclass.c > create mode 100644 drivers/arm-ffa/arm_ffa_prv.h > create mode 100644 drivers/arm-ffa/core.c > create mode 100644 drivers/arm-ffa/sandbox.c > create mode 100644 drivers/arm-ffa/sandbox_arm_ffa_prv.h > create mode 100644 include/arm_ffa.h > create mode 100644 include/arm_ffa_helper.h > create mode 100644 include/sandbox_arm_ffa.h > create mode 100644 include/sandbox_arm_ffa_helper.h > create mode 100644 lib/arm-ffa/Kconfig > create mode 100644 lib/arm-ffa/Makefile > create mode 100644 lib/arm-ffa/arm_ffa_helper.c > create mode 100644 lib/arm-ffa/sandbox_arm_ffa_helper.c > create mode 100644 test/cmd/armffa.c > create mode 100644 test/cmd/armffa.h > create mode 100644 test/dm/ffa.c > create mode 100644 test/dm/ffa.h > > -- > 2.17.1 >