Hi again, On Mon, 3 Feb 2025 at 05:54, Simon Glass <[email protected]> wrote: > > Hi Caleb, > > On Sun, 24 Nov 2024 at 13:27, Caleb Connolly <[email protected]> > wrote: > > > > This series implements support for launching U-Boot as an EFI payload on > > ARM64 devices that already have an EFI capable bootloader. > > > > Patches 9 through 14 in tandem with another series [1] provide all the > > pieces necessary to build and run U-Boot on Snapdragon X Elite laptops. > > They're only here to demonstrate the usecase and either already have or > > will be sent separately, they should not be reviewed as part of this > > RFC. > > > > Initial support is provided for: > > * Building U-Boot with an EFI stub on ARM64 > > * Inheriting DRAM banks from the EFI memory map > > * Creating a framebuffer node in the OF tree based on EFI GOP info > > > > This allows for booting Linux on top of U-Boot's EFI implementation on > > Qualcomm Snapdragon X Elite platforms. > > > > The primary motivation for this is to provide a more standard EFI > > interface on devices like Qualcomm powered Windows laptops. While these > > devices ship an EFI capable bootloader, it has no understanding of > > devicetree, requiring distros (or more often, users) to handle > > devicetree selection and applying necessary fixups. > > > > Additionally, the EFI implementation on these devices is often very far > > from being systemready compliant, with a variety of bugs like broken > > keyboards, crashes in OS loaders like systemd-boot, and other small > > idiosyncrocies. > > > > As a result, simply running U-Boot as an EFI app isn't a suitable > > solution. > > > > [1]: [email protected] > > > > --- > > Caleb Connolly (10): > > cmd: efi: avoid unitialized read > > efi: stub: support running U-Boot as an EFI payload on ARM64 > > efi: move efi_info_get() to a new header file > > efi: stub: add helpers to populate memory map and framebuffer > > efi: stub: add additional types of memory > > efi: stub: log EFI memory banks > > efi: stub: add known memory to U-Boot's EFI memory map > > mach-snapdragon: support booting with EFISTUB > > common/board_f: init malloc earlier > > configs: add x1e_defconfig > > > > Neil Armstrong (4): > > clk: qcom: Add X1E80100 clock driver > > qcom_defconfig: enable X1E80100 clock driver > > pinctrl: qcom: Add X1E80100 pinctrl driver > > qcom_defconfig: enable X1E80100 pinctrl driver > > > > Makefile | 15 +- > > arch/arm/cpu/armv8/config.mk | 11 + > > arch/arm/include/asm/global_data.h | 3 + > > arch/arm/lib/Makefile | 2 + > > arch/arm/mach-snapdragon/board.c | 15 ++ > > arch/arm/mach-snapdragon/dram.c | 15 +- > > arch/arm/mach-snapdragon/qcom-priv.h | 2 + > > arch/x86/cpu/efi/payload.c | 32 +-- > > board/qualcomm/efistub.env | 11 + > > cmd/efi.c | 3 +- > > common/board_f.c | 2 +- > > configs/qcom_defconfig | 2 + > > configs/x1e_defconfig | 17 ++ > > drivers/clk/qcom/Kconfig | 8 + > > drivers/clk/qcom/Makefile | 1 + > > drivers/clk/qcom/clock-x1e80100.c | 348 > > ++++++++++++++++++++++++++++++++ > > drivers/pinctrl/qcom/Kconfig | 7 + > > drivers/pinctrl/qcom/Makefile | 1 + > > drivers/pinctrl/qcom/pinctrl-x1e80100.c | 100 +++++++++ > > drivers/video/efi.c | 1 + > > include/efi.h | 27 +-- > > include/efi_stub.h | 67 ++++++ > > lib/efi/Kconfig | 9 +- > > lib/efi/Makefile | 28 ++- > > lib/efi/efi_app.c | 1 + > > lib/efi/efi_info.c | 165 +++++++++++++++ > > lib/efi/efi_stub_arm64.c | 237 ++++++++++++++++++++++ > > lib/efi/{efi_stub.c => efi_stub_x86.c} | 1 + > > lib/efi_loader/efi_memory.c | 5 + > > lib/of_live.c | 9 + > > 30 files changed, 1072 insertions(+), 73 deletions(-) > > --- > > base-commit: 1e327ec30e48902fff65fb58337b8f80cc526f08 > > > > I am pulling this in as I need to get the app going on ARM and this is > a better starting point. > > For the series, applied to sjg/master, thanks!
Er, just these patches: de6dd73b4e5 efi: stub: add known memory to U-Boot's EFI memory map 8cb8d63b432 efi: stub: log EFI memory banks cef0312def4 efi: stub: add additional types of memory d9d2b8fb71f efi: stub: add helpers to populate memory map and framebuffer - Updated to avoid changing the devicetree with the EFI app; fix build error on x86 630cb84000f efi: move efi_info_get() to a new header file e0a8bf6f453 efi: stub: support running U-Boot as an EFI payload on ARM64 88e332d7075 cmd: efi: avoid unitialized read I will have a Qualcomm laptop so will be interested to see if this works on it. Regards, Simon
