# # 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_LOONGSON64) += loongson64/ cflags-$(CONFIG_MACH_LOONGSON64) += -I$(srctree)/arch/mips/include/asm/mach-loongson64 -mno-branch-likely load-$(CONFIG_LEMOTE_FULOONG2E) += 0xffffffff80100000 load-$(CONFIG_LEMOTE_MACH2F) += 0xffffffff80200000 load-$(CONFIG_LOONGSON_MACH3X) += 0xffffffff80200000