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/
