1# 2# Loongson Processors' Support 3# 4 5# Only gcc >= 4.4 have Loongson specific support 6cflags-$(CONFIG_CPU_LOONGSON2) += -Wa,--trap 7cflags-$(CONFIG_CPU_LOONGSON2E) += \ 8 $(call cc-option,-march=loongson2e,-march=r4600) 9cflags-$(CONFIG_CPU_LOONGSON2F) += \ 10 $(call cc-option,-march=loongson2f,-march=r4600) 11# Enable the workarounds for Loongson2f 12ifdef CONFIG_CPU_LOONGSON2F_WORKAROUNDS 13 ifeq ($(call as-option,-Wa$(comma)-mfix-loongson2f-nop,),) 14 $(error only binutils >= 2.20.2 have needed option -mfix-loongson2f-nop) 15 else 16 cflags-$(CONFIG_CPU_NOP_WORKAROUNDS) += -Wa$(comma)-mfix-loongson2f-nop 17 endif 18 ifeq ($(call as-option,-Wa$(comma)-mfix-loongson2f-jump,),) 19 $(error only binutils >= 2.20.2 have needed option -mfix-loongson2f-jump) 20 else 21 cflags-$(CONFIG_CPU_JUMP_WORKAROUNDS) += -Wa$(comma)-mfix-loongson2f-jump 22 endif 23endif 24 25# 26# Loongson Machines' Support 27# 28 29platform-$(CONFIG_MACH_LOONGSON) += loongson/ 30cflags-$(CONFIG_MACH_LOONGSON) += -I$(srctree)/arch/mips/include/asm/mach-loongson -mno-branch-likely 31load-$(CONFIG_LEMOTE_FULOONG2E) += 0xffffffff80100000 32load-$(CONFIG_LEMOTE_MACH2F) += 0xffffffff80200000 33load-$(CONFIG_LOONGSON_MACH3X) += 0xffffffff80200000 34