diff options
| -rw-r--r-- | dts/Makefile | 35 | ||||
| -rw-r--r-- | include/common.h | 1 | ||||
| -rw-r--r-- | lib/fdtdec.c | 4 | ||||
| -rw-r--r-- | scripts/Makefile.spl | 20 |
4 files changed, 38 insertions, 22 deletions
diff --git a/dts/Makefile b/dts/Makefile index 3a93dafb51..c9b2a89441 100644 --- a/dts/Makefile +++ b/dts/Makefile @@ -22,10 +22,29 @@ DTB := $(ARCH_PATH)/$(DEVICE_TREE).dtb dtb_depends += $(DTB:.dtb=.dts) endif +# Pass the original device tree file through fdtgrep twice. The first pass +# removes any unwanted nodes (i.e. those which don't have the +# 'u-boot,dm-pre-reloc' property and thus are not needed by SPL. The second +# pass removes various unused properties from the remaining nodes. +# The output is typically a much smaller device tree file. +ifeq ($(CONFIG_TPL_BUILD),y) +fdtgrep_props := -b u-boot,dm-pre-reloc -b u-boot,dm-tpl +else +fdtgrep_props := -b u-boot,dm-pre-reloc -b u-boot,dm-spl +endif +quiet_cmd_fdtgrep = FDTGREP $@ + cmd_fdtgrep = $(objtree)/tools/fdtgrep $(fdtgrep_props) -RT $< \ + -n /chosen -n /config -O dtb | \ + $(objtree)/tools/fdtgrep -r -O dtb - -o $@ \ + $(addprefix -P ,$(subst $\",,$(CONFIG_OF_SPL_REMOVE_PROPS))) + +$(obj)/dt-spl.dtb: $(DTB) $(objtree)/tools/fdtgrep FORCE + $(call if_changed,fdtgrep) + $(obj)/dt.dtb: $(DTB) FORCE $(call if_changed,shipped) -targets += dt.dtb +targets += dt.dtb dt-spl.dtb $(DTB): $(dtb_depends) ifeq ($(EXT_DTB),) @@ -42,14 +61,22 @@ endif arch-dtbs: $(Q)$(MAKE) $(build)=$(ARCH_PATH) dtbs -.SECONDARY: $(obj)/dt.dtb.S +.SECONDARY: $(obj)/dt.dtb.S $(obj)/dt-spl.dtb.S + +ifeq ($(CONFIG_SPL_BUILD),y) +obj-$(CONFIG_OF_EMBED) := dt-spl.dtb.o +# support "out-of-tree" build for dtb-spl +$(obj)/dt-spl.dtb.o: $(obj)/dt-spl.dtb.S FORCE + $(call if_changed_dep,as_o_S) +else obj-$(CONFIG_OF_EMBED) := dt.dtb.o +endif -dtbs: $(obj)/dt.dtb +dtbs: $(obj)/dt.dtb $(obj)/dt-spl.dtb @: -clean-files := dt.dtb.S +clean-files := dt.dtb.S dt-spl.dtb.S # Let clean descend into dts directories subdir- += ../arch/arm/dts ../arch/microblaze/dts ../arch/mips/dts ../arch/sandbox/dts ../arch/x86/dts diff --git a/include/common.h b/include/common.h index e14e1daa88..6e24545178 100644 --- a/include/common.h +++ b/include/common.h @@ -201,6 +201,7 @@ int last_stage_init(void); extern ulong monitor_flash_len; int mac_read_from_eeprom(void); extern u8 __dtb_dt_begin[]; /* embedded device tree blob */ +extern u8 __dtb_dt_spl_begin[]; /* embedded device tree blob for SPL/TPL */ int set_cpu_clk_info(void); int mdm_init(void); int print_cpuinfo(void); diff --git a/lib/fdtdec.c b/lib/fdtdec.c index c4582eacca..873bcfa78c 100644 --- a/lib/fdtdec.c +++ b/lib/fdtdec.c @@ -1268,7 +1268,11 @@ int fdtdec_setup(void) # endif # ifdef CONFIG_OF_EMBED /* Get a pointer to the FDT */ +# ifdef CONFIG_SPL_BUILD + gd->fdt_blob = __dtb_dt_spl_begin; +# else gd->fdt_blob = __dtb_dt_begin; +# endif # elif defined CONFIG_OF_SEPARATE # ifdef CONFIG_SPL_BUILD /* FDT is at end of BSS unless it is in a different memory region */ diff --git a/scripts/Makefile.spl b/scripts/Makefile.spl index b5e7019ea3..64390e5785 100644 --- a/scripts/Makefile.spl +++ b/scripts/Makefile.spl @@ -239,24 +239,8 @@ $(obj)/$(SPL_BIN)-pad.bin: $(obj)/$(SPL_BIN) @bss_size_str=$(shell $(NM) $< | awk 'BEGIN {size = 0} /__bss_size/ {size = $$1} END {print "ibase=16; " toupper(size)}' | bc); \ dd if=/dev/zero of=$@ bs=1 count=$${bss_size_str} 2>/dev/null; -# Pass the original device tree file through fdtgrep twice. The first pass -# removes any unwanted nodes (i.e. those which don't have the -# 'u-boot,dm-pre-reloc' property and thus are not needed by SPL. The second -# pass removes various unused properties from the remaining nodes. -# The output is typically a much smaller device tree file. -ifeq ($(CONFIG_TPL_BUILD),y) -fdtgrep_props := -b u-boot,dm-pre-reloc -b u-boot,dm-tpl -else -fdtgrep_props := -b u-boot,dm-pre-reloc -b u-boot,dm-spl -endif -quiet_cmd_fdtgrep = FDTGREP $@ - cmd_fdtgrep = $(objtree)/tools/fdtgrep $(fdtgrep_props) -RT $< \ - -n /chosen -n /config -O dtb | \ - $(objtree)/tools/fdtgrep -r -O dtb - -o $@ \ - $(addprefix -P ,$(subst $\",,$(CONFIG_OF_SPL_REMOVE_PROPS))) - -$(obj)/$(SPL_BIN).dtb: dts/dt.dtb $(objtree)/tools/fdtgrep FORCE - $(call if_changed,fdtgrep) +$(obj)/$(SPL_BIN).dtb: dts/dt-spl.dtb FORCE + $(call if_changed,copy) pythonpath = PYTHONPATH=scripts/dtc/pylibfdt |