On Fri, 11 Oct 2024 at 04:35, Patrick Rudolph <patrick.rudo...@9elements.com> wrote: > > Add support for Arm sbsa [1] v0.3+ that is supported by QEMU [2]. > > Unlike other Arm based platforms the machine only provides a minimal > FDT that contains number of CPUs, ammount of memory and machine-version. > The boot firmware has to provide ACPI tables to the OS. > Due to this design a full DTB is added here as well that allows U-Boot's > driver to properly function. The DTB is appended at the end of the U-Boot > image and will be merged with the QEMU provided DTB. > > In addition provide documentation how to use, enable binman to fabricate both > ROMs that are required to boot and add ACPI tables to make it full compatible > to the EDK2 reference implementation. > > The board was tested using Fedora 40 Aarch64 Workstation. It's able > to boot from USB and AHCI or network. > > Tested and found working: > - serial > - PCI > - xHCI > - Bochs display > - AHCI > - network using e1000e > - CPU init > - Booting Fedora 40 > > 1: Server Base System Architecture (SBSA) > 2: https://www.qemu.org/docs/master/system/arm/sbsa.html > > Signed-off-by: Patrick Rudolph <patrick.rudo...@9elements.com> > Cc: Peter Robinson <pbrobin...@gmail.com> > Cc: Simon Glass <s...@chromium.org> > Cc: Tom Rini <tr...@konsulko.com> > --- > Changelog v3: > - Add GIC and GIC-ITS to devicetree > - Select GICv3 driver > - Drop acpi_fill_madt and use driver model instead > Changelog v4: > - Drop CPU platform code > - Enhance the DT to allow MADT generation from DT > Changelog v5: > - Add full DT and place it at the end of U-Boot > - Merge DT with QEMU's DT > - Drop DT generation code > - Fix flash region length > - Drop enable_caches() > - Support platforms that do not pass FDT in x0 > Changelog v6: > - Update header order > - Drop pad-byte from DT > - select BINMAN_FDT > - select E1000_NO_NVM > - drop config.h include > - drop a few CFG_ defines that were used for SPL > Changelog v7: > - Use /bits/ 64 in DT > - Drop flash access helper functions > - Add cfi-flash to DT > - Mark secure-flash as no execute > - Only use defines in DT when it's also used in other files > --- > arch/arm/Kconfig | 3 +- > arch/arm/dts/qemu-sbsa.dts | 137 ++++++ > arch/arm/include/asm/arch-qemu-sbsa/boot0.h | 34 ++ > arch/arm/mach-qemu/Kconfig | 36 +- > board/emulation/qemu-arm/MAINTAINERS | 2 + > board/emulation/qemu-sbsa/Kconfig | 58 +++ > board/emulation/qemu-sbsa/Makefile | 8 + > board/emulation/qemu-sbsa/acpi.c | 192 ++++++++ > board/emulation/qemu-sbsa/dsdt.asl | 483 ++++++++++++++++++++ > board/emulation/qemu-sbsa/lowlevel_init.S | 22 + > board/emulation/qemu-sbsa/qemu-sbsa.c | 273 +++++++++++ > board/emulation/qemu-sbsa/qemu-sbsa.env | 14 + > board/emulation/qemu-sbsa/qemu-sbsa.h | 38 ++ > board/emulation/qemu-sbsa/smc.c | 71 +++ > configs/qemu-arm-sbsa_defconfig | 10 + > doc/board/emulation/index.rst | 1 + > doc/board/emulation/qemu-sbsa.rst | 98 ++++ > doc/develop/driver-model/virtio.rst | 1 + > include/configs/qemu-sbsa.h | 89 ++++ > 19 files changed, 1563 insertions(+), 7 deletions(-) > create mode 100644 arch/arm/dts/qemu-sbsa.dts > create mode 100644 arch/arm/include/asm/arch-qemu-sbsa/boot0.h > create mode 100644 board/emulation/qemu-sbsa/Kconfig > create mode 100644 board/emulation/qemu-sbsa/Makefile > create mode 100644 board/emulation/qemu-sbsa/acpi.c > create mode 100644 board/emulation/qemu-sbsa/dsdt.asl > create mode 100644 board/emulation/qemu-sbsa/lowlevel_init.S > create mode 100644 board/emulation/qemu-sbsa/qemu-sbsa.c > create mode 100644 board/emulation/qemu-sbsa/qemu-sbsa.env > create mode 100644 board/emulation/qemu-sbsa/qemu-sbsa.h > create mode 100644 board/emulation/qemu-sbsa/smc.c > create mode 100644 configs/qemu-arm-sbsa_defconfig > create mode 100644 doc/board/emulation/qemu-sbsa.rst > create mode 100644 include/configs/qemu-sbsa.h
Reviewed-by: Simon Glass <s...@chromium.org>
