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https://source.denx.de/u-boot/u-boot.git
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2800aecce0
Patrick Rudolph <patrick.rudolph@9elements.com> says:
Based on the existing work done by Simon Glass this series adds
support for booting aarch64 devices using ACPI only.
As first target QEMU SBSA support is added, which relies on ACPI
only to boot an OS. As secondary target the Raspberry Pi4 was used,
which is broadly available and allows easy testing of the proposed
solution.
The series is split into ACPI cleanups and code movements, adding
Arm specific ACPI tables and finally SoC and mainboard related
changes to boot a Linux on the QEMU SBSA and RPi4. Currently only the
mandatory ACPI tables are supported, allowing to boot into Linux
without errors.
The QEMU SBSA support is feature complete and provides the same
functionality as the EDK2 implementation.
The changes were tested on real hardware as well on QEMU v9.0:
qemu-system-aarch64 -machine sbsa-ref -nographic -cpu cortex-a57 \
-pflash secure-world.rom \
-pflash unsecure-world.rom
qemu-system-aarch64 -machine raspi4b -kernel u-boot.bin -cpu cortex-a72 \
-smp 4 -m 2G -drive file=raspbian.img,format=raw,index=0 \
-dtb bcm2711-rpi-4-b.dtb -nographic
Tested against FWTS V24.03.00.
Known issues:
- The QEMU rpi4 support is currently limited as it doesn't emulate PCI,
USB or ethernet devices!
- The SMP bringup doesn't work on RPi4, but works in QEMU (Possibly
cache related).
- PCI on RPI4 isn't working on real hardware since the pcie_brcmstb
Linux kernel module doesn't support ACPI yet.
Link: https://lore.kernel.org/r/20241023132116.970117-1-patrick.rudolph@9elements.com
134 lines
3.4 KiB
Makefile
134 lines
3.4 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0+
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#
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# (C) Copyright 2002-2006
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# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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lib-$(CONFIG_USE_PRIVATE_LIBGCC) += ashldi3.o ashrdi3.o lshrdi3.o \
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lib1funcs.o uldivmod.o div0.o \
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div64.o muldi3.o
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ifdef CONFIG_CPU_V7M
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obj-y += vectors_m.o crt0.o
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else ifdef CONFIG_ARM64
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obj-y += crt0_64.o
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else
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obj-y += vectors.o crt0.o
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endif
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ifdef CONFIG_ARM64
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obj-y += setjmp_aarch64.o
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else
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obj-y += setjmp.o
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endif
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ifndef CONFIG_XPL_BUILD
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ifdef CONFIG_ARM64
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obj-y += relocate_64.o
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else
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obj-y += relocate.o
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endif
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obj-$(CONFIG_CPU_V7M) += cmd_boot.o
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obj-$(CONFIG_OF_LIBFDT) += bootm-fdt.o
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obj-$(CONFIG_CMD_BOOTI) += bootm.o image.o
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obj-$(CONFIG_CMD_BOOTM) += bootm.o
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obj-$(CONFIG_CMD_BOOTZ) += bootm.o zimage.o
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else
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obj-$(CONFIG_$(PHASE_)FRAMEWORK) += spl.o
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ifdef CONFIG_SPL_FRAMEWORK
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obj-$(CONFIG_CMD_BOOTI) += image.o
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obj-$(CONFIG_CMD_BOOTZ) += zimage.o
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endif
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obj-$(CONFIG_OF_LIBFDT) += bootm-fdt.o
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endif
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ifdef CONFIG_ARM64
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obj-$(CONFIG_$(PHASE_)USE_ARCH_MEMSET) += memset-arm64.o
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obj-$(CONFIG_$(PHASE_)USE_ARCH_MEMCPY) += memcpy-arm64.o
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else
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obj-$(CONFIG_$(PHASE_)USE_ARCH_MEMSET) += memset.o
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obj-$(CONFIG_$(PHASE_)USE_ARCH_MEMCPY) += memcpy.o
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endif
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obj-$(CONFIG_$(PHASE_)SYS_L2_PL310) += cache-pl310.o
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obj-$(CONFIG_$(PHASE_)SEMIHOSTING) += semihosting.o
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ifneq ($(filter y,$(CONFIG_SAVE_PREV_BL_INITRAMFS_START_ADDR) $(CONFIG_SAVE_PREV_BL_FDT_ADDR)),)
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obj-y += save_prev_bl_data.o
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endif
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# obj-$(CONFIG_SAVE_PREV_BL_INITRAMFS_START_ADDR) += save_prev_bl_data.o
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obj-y += bdinfo.o
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obj-y += sections.o
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CFLAGS_REMOVE_sections.o := $(LTO_CFLAGS)
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obj-y += stack.o
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ifdef CONFIG_CPU_V7M
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obj-y += interrupts_m.o
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else ifdef CONFIG_ARM64
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obj-$(CONFIG_FSL_LAYERSCAPE) += ccn504.o
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ifneq ($(CONFIG_GICV2)$(CONFIG_GICV3),)
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obj-y += gic_64.o
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endif
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obj-$(CONFIG_DRIVER_GICV2) += gic-v2.o
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obj-$(CONFIG_GIC_V3_ITS) += gic-v3-its.o
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obj-y += interrupts_64.o
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else
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obj-y += interrupts.o
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endif
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ifndef CONFIG_$(PHASE_)SYSRESET
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obj-y += reset.o
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endif
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obj-y += cache.o
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obj-$(CONFIG_SYS_ARM_CACHE_CP15) += cache-cp15.o
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CFLAGS_REMOVE_cache-cp15.o := $(LTO_CFLAGS)
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obj-y += psci-dt.o
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obj-$(CONFIG_DEBUG_LL) += debug.o
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obj-$(CONFIG_BLOBLIST) += xferlist.o
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obj-$(CONFIG_GENERATE_ACPI_TABLE) += acpi_table.o
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# For EABI conformant tool chains, provide eabi_compat()
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ifneq (,$(findstring -mabi=aapcs-linux,$(PLATFORM_CPPFLAGS)))
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extra-y += eabi_compat.o
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endif
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# some files can only build in ARM or THUMB2, not THUMB1
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ifdef CONFIG_$(XPL_)SYS_THUMB_BUILD
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asflags-$(CONFIG_HAS_THUMB2) += -DCONFIG_THUMB2_KERNEL
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ifndef CONFIG_HAS_THUMB2
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# for C files, just apend -marm, which will override previous -mthumb*
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ifndef CONFIG_ARM64
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CFLAGS_cache.o := -marm
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CFLAGS_cache-cp15.o := -marm
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endif
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# For .S, drop -mthumb* and other thumb-related options.
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# CFLAGS_REMOVE_* would not have an effet, so AFLAGS_REMOVE_*
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# was implemented and is used here.
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# Also, define ${target}_NO_THUMB_BUILD for these two targets
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# so that the code knows it should not use Thumb.
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AFLAGS_REMOVE_memset.o := -mthumb -mthumb-interwork
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AFLAGS_REMOVE_memcpy.o := -mthumb -mthumb-interwork
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AFLAGS_memset.o := -DMEMSET_NO_THUMB_BUILD
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AFLAGS_memcpy.o := -DMEMCPY_NO_THUMB_BUILD
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# This is only necessary to force ARM mode on THUMB1 targets.
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ifneq ($(CONFIG_SYS_ARM_ARCH),4)
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obj-y += bitops.o
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endif
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endif
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endif
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# For building EFI apps
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CFLAGS_$(EFI_CRT0) := $(CFLAGS_EFI)
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CFLAGS_REMOVE_$(EFI_CRT0) := $(CFLAGS_NON_EFI)
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CFLAGS_$(EFI_RELOC) := $(CFLAGS_EFI)
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CFLAGS_REMOVE_$(EFI_RELOC) := $(CFLAGS_NON_EFI)
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