| # |
| # 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 |
| load-$(CONFIG_LOONGSON_MACH3X) += 0xffffffff80200000 |