pandory500/oleavr-rgl-a500-mini-linux-3.10
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Ole André Vadla Ravnås 2022-05-07 01:01:45 +02:00
commit 169c65d57e
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arch/mips/loongson/Platform Normal file
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#
# Loongson Processors' Support
#
# Only gcc >= 4.4 have Loongson specific support
cflags-$(CONFIG_CPU_LOONGSON2) += -Wa,--trap
cflags-$(CONFIG_CPU_LOONGSON2E) += \
$(call cc-option,-march=loongson2e,-march=r4600)
cflags-$(CONFIG_CPU_LOONGSON2F) += \
$(call cc-option,-march=loongson2f,-march=r4600)
# Enable the workarounds for Loongson2f
ifdef CONFIG_CPU_LOONGSON2F_WORKAROUNDS
ifeq ($(call as-option,-Wa$(comma)-mfix-loongson2f-nop,),)
$(error only binutils >= 2.20.2 have needed option -mfix-loongson2f-nop)
else
cflags-$(CONFIG_CPU_NOP_WORKAROUNDS) += -Wa$(comma)-mfix-loongson2f-nop
endif
ifeq ($(call as-option,-Wa$(comma)-mfix-loongson2f-jump,),)
$(error only binutils >= 2.20.2 have needed option -mfix-loongson2f-jump)
else
cflags-$(CONFIG_CPU_JUMP_WORKAROUNDS) += -Wa$(comma)-mfix-loongson2f-jump
endif
endif
#
# Loongson Machines' Support
#
platform-$(CONFIG_MACH_LOONGSON) += loongson/
cflags-$(CONFIG_MACH_LOONGSON) += -I$(srctree)/arch/mips/include/asm/mach-loongson -mno-branch-likely
load-$(CONFIG_LEMOTE_FULOONG2E) += 0xffffffff80100000
load-$(CONFIG_LEMOTE_MACH2F) += 0xffffffff80200000