ifneq (,$(filter saml21%a,$(CPU_MODEL)))
  CFLAGS += -DCPU_SAML21A
endif
ifneq (,$(filter saml21%b,$(CPU_MODEL)))
  CFLAGS += -DCPU_SAML21B
endif
ifneq (,$(filter samr30%,$(CPU_MODEL)))
  CFLAGS += -DCPU_SAMR30
endif
ifneq (,$(filter samr34%,$(CPU_MODEL)))
  CFLAGS += -DCPU_SAMR34
endif

ifneq (,$(filter saml21j18b saml21j18a samr30g18a samr34j18b,$(CPU_MODEL)))
  BACKUP_RAM_ADDR = 0x30000000
  BACKUP_RAM_LEN  = 0x2000
endif

include $(RIOTCPU)/sam0_common/Makefile.include
include $(RIOTMAKE)/arch/cortexm.inc.mk