Hi Abdellatif, On Wed, 29 Mar 2023 at 05:12, Abdellatif El Khlifi < abdellatif.elkhl...@arm.com> wrote: > > turn on EFI MM communication > > On corstone1000 platform MM communication between u-boot > and the secure world (Optee) is done using the FF-A bus. > > Signed-off-by: Abdellatif El Khlifi <abdellatif.elkhl...@arm.com> > Cc: Tom Rini <tr...@konsulko.com> > Cc: Simon Glass <s...@chromium.org> > Cc: Ilias Apalodimas <ilias.apalodi...@linaro.org> > Cc: Jens Wiklander <jens.wiklan...@linaro.org> > > --- > Changelog: > =============== > > v9: update copyright string > > v8: > > * drop OP-TEE configs from Corstone-1000 defconfig > > v7: > > * improve the definition of FFA_SHARED_MM_BUFFER_ADDR and > FFA_SHARED_MM_BUFFER_OFFSET > * update FFA_SHARED_MM_BUFFER_ADDR value > > v6: > > * corstone-1000: enable optee driver > * corstone-1000: remove CONFIG_ARM_FFA_EFI_RUNTIME_MODE from the defconfig > > v4: > > * corstone-1000: turn on EFI MM communication > > configs/corstone1000_defconfig | 2 ++ > include/configs/corstone1000.h | 15 +++++++++++++-- > 2 files changed, 15 insertions(+), 2 deletions(-) > > diff --git a/configs/corstone1000_defconfig b/configs/corstone1000_defconfig > index 74250c7524..a7bfcbb2b9 100644 > --- a/configs/corstone1000_defconfig > +++ b/configs/corstone1000_defconfig > @@ -52,3 +52,5 @@ CONFIG_DM_SERIAL=y > CONFIG_USB=y > CONFIG_USB_ISP1760=y > CONFIG_ERRNO_STR=y > +CONFIG_EFI_MM_COMM_TEE=y > +CONFIG_ARM_FFA_TRANSPORT=y > diff --git a/include/configs/corstone1000.h b/include/configs/corstone1000.h > index 3347c11792..4ef1f05e40 100644 > --- a/include/configs/corstone1000.h > +++ b/include/configs/corstone1000.h > @@ -1,9 +1,11 @@ > /* SPDX-License-Identifier: GPL-2.0+ */ > /* > - * (C) Copyright 2022 ARM Limited > * (C) Copyright 2022 Linaro > * Rui Miguel Silva <rui.si...@linaro.org> > - * Abdellatif El Khlifi <abdellatif.elkhl...@arm.com> > + * Copyright 2022-2023 Arm Limited and/or its affiliates < open-source-off...@arm.com> > + * > + * Authors: > + * Abdellatif El Khlifi <abdellatif.elkhl...@arm.com> > * > * Configuration for Corstone1000. Parts were derived from other ARM > * configurations. > @@ -14,6 +16,15 @@ > > #include <linux/sizes.h> > > +#define FFA_SHARED_MM_BUFFER_SIZE SZ_4K /* 4 KB */ > + > +/* > + * shared buffer physical address used for communication between > + * u-boot and the MM SP > + */ > +#define FFA_SHARED_MM_BUFFER_ADDR 0x02000000UL > +#define FFA_SHARED_MM_BUFFER_OFFSET 0 > + > #define V2M_BASE 0x80000000 > > #define CFG_PL011_CLOCK 50000000 > -- > 2.25.1 >
As a higher-level question, could this whole FFA implementation code be put into Linux or fwupd? Regards, Simon
