Linux kernel development work - see feature branches https://git.zx2c4.com/linux-dev/atom/arch/loongarch/include/asm/setup.h?h=linus%2Fmaster 2022-06-03T12:09:28Z 2022-06-03T12:09:28Z Huacai Chen chenhuacai@loongson.cn 2022-05-31T10:04:11Z urn:sha1:628c3bb40e9a8cefc0a6fde28b7b66bfe46d1dc2 Add basic boot, setup and reset routines for LoongArch. Now, LoongArch machines use UEFI-based firmware. The firmware passes configuration information to the kernel via ACPI and DMI/SMBIOS. Currently an existing interface between the kernel and the bootloader is implemented. Kernel gets 2 values from the bootloader, passed in registers a0 and a1; a0 is an "EFI boot flag" distinguishing UEFI and non-UEFI firmware, while a1 is a pointer to an FDT with systable, memmap, cmdline and initrd information. The standard UEFI boot protocol (EFISTUB) will be added later. Cc: linux-efi@vger.kernel.org Cc: Ard Biesheuvel <ardb@kernel.org> Reviewed-by: WANG Xuerui <git@xen0n.name> Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com> Co-developed-by: Yun Liu <liuyun@loongson.cn> Signed-off-by: Yun Liu <liuyun@loongson.cn> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>