Yes, that's it. Thanks.
- Simon On Wed, 14 Dec 2022 at 01:57, Paul Barker <paul.bar...@sancloud.com> wrote: > > On 14/12/2022 04:39, Simon Glass wrote: > > Hi Paul, > > > > On Wed, 23 Nov 2022 at 10:50, Paul Barker <paul.bar...@sancloud.com> wrote: > >> > >> This addition allows UEFI applications running under u-boot to access > >> peripherals on SPI busses. It is based on the UEFI Platform > >> Initialization (PI) Specification, Version 1.7 Errata A (April 2020). > >> Only the core functionality required to discover SPI peripherals and > >> communicate with them is currently implemented. Other functionality such > >> as the legacy SPI controller interface and the ability to update the SPI > >> peripheral object associated with a particular SPI I/O protocol object > >> is currently unimplemented. > >> > >> The following protocols are defined: > >> * EFI_SPI_CONFIGURATION_PROTOCOL > >> * EFI_SPI_IO_PROTOCOL > >> * EFI_LEGACY_SPI_CONTROLLER_PROTOCOL > >> > >> Since there are no open source implementations of these protocols to use > >> as an example, educated guesses/hacks have been made in cases where the > >> UEFI PI specification is unclear and these are documented in comments. > >> > >> This implementation has been tested on the SanCloud BBE Lite and allowed > >> a UEFI test application to successfully communicate with a Micron > >> Authenta flash device connected via the SPI bus. > >> > >> Signed-off-by: Paul Barker <paul.bar...@sancloud.com> > >> --- > >> MAINTAINERS | 6 + > >> configs/am335x_evm_defconfig | 1 + > >> include/efi_api.h | 4 + > >> include/efi_loader.h | 4 + > >> include/efi_spi_protocol.h | 166 +++++++++ > >> lib/efi_loader/Kconfig | 8 + > >> lib/efi_loader/Makefile | 1 + > >> lib/efi_loader/efi_setup.c | 6 + > >> lib/efi_loader/efi_spi_protocol.c | 576 ++++++++++++++++++++++++++++++ > >> lib/uuid.c | 4 + > >> 10 files changed, 776 insertions(+) > >> create mode 100644 include/efi_spi_protocol.h > >> create mode 100644 lib/efi_loader/efi_spi_protocol.c > > > > This should have a sandbox test as well. See test/dm/spi.c or sf.c for > > examples. > > Hi Simon, > > There is a test case in patch 2 of this series, is that what you're > looking for? It was split out as requested in the review of v3 of this > series. > > Thanks, > > -- > Paul Barker > Principal Software Engineer > SanCloud Ltd > > e: paul.bar...@sancloud.com > w: https://sancloud.com/ >
