mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-15 15:53:02 +00:00
003b657edc
Add support for Apple's M1 SoC that is used in "Apple Silicon" Macs. This builds a basic U-Boot that can be used as a payload for the m1n1 boot loader being developed by the Asahi Linux project. Signed-off-by: Mark Kettenis <kettenis@openbsd.org> Reviewed-by: Simon Glass <sjg@chromium.org> [trini: Add MAINTAINERS entry]
129 lines
4 KiB
Makefile
129 lines
4 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0+
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ifeq ($(CONFIG_SPL_BUILD)$(CONFIG_ARCH_TEGRA),yy)
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CONFIG_CPU_V7A=
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CONFIG_CPU_ARM720T=y
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endif
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# This selects which instruction set is used.
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arch-$(CONFIG_CPU_ARM720T) =-march=armv4
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arch-$(CONFIG_CPU_ARM920T) =-march=armv4t
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arch-$(CONFIG_CPU_ARM926EJS) =-march=armv5te
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arch-$(CONFIG_CPU_ARM946ES) =-march=armv5te
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arch-$(CONFIG_CPU_SA1100) =-march=armv4
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arch-$(CONFIG_CPU_PXA) =
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arch-$(CONFIG_CPU_ARM1136) =-march=armv5t
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arch-$(CONFIG_CPU_ARM1176) =-march=armv5t
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arch-$(CONFIG_CPU_V7A) =$(call cc-option, -march=armv7-a, \
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$(call cc-option, -march=armv7))
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arch-$(CONFIG_CPU_V7M) =-march=armv7-m
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arch-$(CONFIG_CPU_V7R) =-march=armv7-r
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ifeq ($(CONFIG_ARM64_CRC32),y)
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arch-$(CONFIG_ARM64) =-march=armv8-a+crc
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else
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arch-$(CONFIG_ARM64) =-march=armv8-a
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endif
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# On Tegra systems we must build SPL for the armv4 core on the device
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# but otherwise we can use the value in CONFIG_SYS_ARM_ARCH
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ifeq ($(CONFIG_SPL_BUILD)$(CONFIG_ARCH_TEGRA),yy)
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arch-y += -D__LINUX_ARM_ARCH__=4
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else
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arch-y += -D__LINUX_ARM_ARCH__=$(CONFIG_SYS_ARM_ARCH)
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endif
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# Evaluate arch cc-option calls now
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arch-y := $(arch-y)
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# This selects how we optimise for the processor.
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tune-$(CONFIG_CPU_ARM720T) =-mtune=arm7tdmi
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tune-$(CONFIG_CPU_ARM920T) =
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tune-$(CONFIG_CPU_ARM926EJS) =
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tune-$(CONFIG_CPU_ARM946ES) =
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tune-$(CONFIG_CPU_SA1100) =-mtune=strongarm1100
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tune-$(CONFIG_CPU_PXA) =-mcpu=xscale
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tune-$(CONFIG_CPU_ARM1136) =
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tune-$(CONFIG_CPU_ARM1176) =
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tune-$(CONFIG_CPU_V7A) =-mtune=generic-armv7-a
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tune-$(CONFIG_CPU_V7R) =
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tune-$(CONFIG_ARM64) =
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# Evaluate tune cc-option calls now
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tune-y := $(tune-y)
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PLATFORM_CPPFLAGS += $(arch-y) $(tune-y)
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# Machine directory name. This list is sorted alphanumerically
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# by CONFIG_* macro name.
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machine-$(CONFIG_ARCH_APPLE) += apple
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machine-$(CONFIG_ARCH_ASPEED) += aspeed
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machine-$(CONFIG_ARCH_AT91) += at91
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machine-$(CONFIG_ARCH_BCM283X) += bcm283x
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machine-$(CONFIG_ARCH_BCMSTB) += bcmstb
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machine-$(CONFIG_ARCH_DAVINCI) += davinci
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machine-$(CONFIG_ARCH_EXYNOS) += exynos
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machine-$(CONFIG_ARCH_HIGHBANK) += highbank
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machine-$(CONFIG_ARCH_IPQ40XX) += ipq40xx
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machine-$(CONFIG_ARCH_K3) += k3
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machine-$(CONFIG_ARCH_KEYSTONE) += keystone
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machine-$(CONFIG_ARCH_KIRKWOOD) += kirkwood
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machine-$(CONFIG_ARCH_LPC32XX) += lpc32xx
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machine-$(CONFIG_ARCH_MEDIATEK) += mediatek
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machine-$(CONFIG_ARCH_MESON) += meson
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machine-$(CONFIG_ARCH_MVEBU) += mvebu
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machine-$(CONFIG_ARCH_NEXELL) += nexell
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machine-$(CONFIG_ARCH_OMAP2PLUS) += omap2
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machine-$(CONFIG_ARCH_ORION5X) += orion5x
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machine-$(CONFIG_ARCH_OWL) += owl
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machine-$(CONFIG_ARCH_RMOBILE) += rmobile
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machine-$(CONFIG_ARCH_ROCKCHIP) += rockchip
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machine-$(CONFIG_ARCH_S5PC1XX) += s5pc1xx
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machine-$(CONFIG_ARCH_SNAPDRAGON) += snapdragon
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machine-$(CONFIG_ARCH_SOCFPGA) += socfpga
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machine-$(CONFIG_ARCH_STM32) += stm32
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machine-$(CONFIG_ARCH_STM32MP) += stm32mp
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machine-$(CONFIG_ARCH_SUNXI) += sunxi
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machine-$(CONFIG_ARCH_TEGRA) += tegra
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machine-$(CONFIG_ARCH_U8500) += u8500
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machine-$(CONFIG_ARCH_OCTEONTX) += octeontx
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machine-$(CONFIG_ARCH_OCTEONTX2) += octeontx2
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machine-$(CONFIG_ARCH_UNIPHIER) += uniphier
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machine-$(CONFIG_ARCH_VERSAL) += versal
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machine-$(CONFIG_ARCH_ZYNQ) += zynq
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machine-$(CONFIG_ARCH_ZYNQMP) += zynqmp
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machine-$(CONFIG_ARCH_ZYNQMP_R5) += zynqmp-r5
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machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y))
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PLATFORM_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs))
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libs-y += $(machdirs)
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head-y := arch/arm/cpu/$(CPU)/start.o
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ifeq ($(CONFIG_SPL_BUILD),y)
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ifneq ($(CONFIG_SPL_START_S_PATH),)
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head-y := $(CONFIG_SPL_START_S_PATH:"%"=%)/start.o
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endif
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endif
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libs-y += arch/arm/cpu/$(CPU)/
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libs-y += arch/arm/cpu/
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libs-y += arch/arm/lib/
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ifeq ($(CONFIG_SPL_BUILD),y)
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ifneq (,$(CONFIG_MX23)$(CONFIG_MX28)$(filter $(SOC), mx25 mx5 mx6 mx7 mx35 imx8m imx8 imx8ulp imxrt))
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libs-y += arch/arm/mach-imx/
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endif
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else
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ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx7 mx7ulp mx31 mx35 mxs imx8m imx8 imx8ulp imxrt vf610))
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libs-y += arch/arm/mach-imx/
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endif
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endif
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ifneq (,$(filter $(SOC), kirkwood))
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libs-y += arch/arm/mach-mvebu/
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endif
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# deprecated
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-include $(machdirs)/config.mk
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