xref: /openbmc/linux/arch/mips/loongson64/Platform (revision e2f1cf25)
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_LOONGSON64) += loongson64/
30cflags-$(CONFIG_MACH_LOONGSON64) += -I$(srctree)/arch/mips/include/asm/mach-loongson64 -mno-branch-likely
31load-$(CONFIG_LEMOTE_FULOONG2E) += 0xffffffff80100000
32load-$(CONFIG_LEMOTE_MACH2F) += 0xffffffff80200000
33load-$(CONFIG_LOONGSON_MACH3X) += 0xffffffff80200000
34