1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 # 2 #
3 3
4 dtb-y := system.dtb 4 dtb-y := system.dtb
5 5
6 ifneq ($(DTB),) 6 ifneq ($(DTB),)
7 obj-y += linked_dtb.o 7 obj-y += linked_dtb.o
8 8
9 # Ensure system.dtb exists 9 # Ensure system.dtb exists
10 $(obj)/linked_dtb.o: $(obj)/system.dtb 10 $(obj)/linked_dtb.o: $(obj)/system.dtb
11 11
12 # Generate system.dtb from $(DTB).dtb 12 # Generate system.dtb from $(DTB).dtb
13 ifneq ($(DTB),system) 13 ifneq ($(DTB),system)
14 $(obj)/system.dtb: $(obj)/$(DTB).dtb 14 $(obj)/system.dtb: $(obj)/$(DTB).dtb
15 $(call if_changed,copy) 15 $(call if_changed,copy)
16 endif 16 endif
17 endif 17 endif
18 18
19 # Rule to build device tree blobs 19 # Rule to build device tree blobs
20 DTC_FLAGS := -p 1024 20 DTC_FLAGS := -p 1024
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