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authorLinus Torvalds <torvalds@linux-foundation.org>2009-09-24 09:01:44 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-24 09:01:44 -0700
commita6b49cb210f878709bdc0bddc16a853f18790d02 (patch)
tree6147078ef0ce584cb6a8dae7468f060ef5838d12 /arch/microblaze/boot
parent2c9871de0ae89a0e2c365ea6e277135fe031d8b4 (diff)
parentbfc8125858d777bd5bdba03a091c07cc2e0e17c0 (diff)
Merge branch 'for-linus' of git://git.monstr.eu/linux-2.6-microblaze
* 'for-linus' of git://git.monstr.eu/linux-2.6-microblaze: (24 commits) microblaze: Disable heartbeat/enable emaclite in defconfigs microblaze: Support simpleImage.dts make target microblaze: Fix _start symbol to physical address microblaze: Use LOAD_OFFSET macro to get correct LMA for all sections microblaze: Create the LOAD_OFFSET macro used to compute VMA vs LMA offsets microblaze: Copy ppc asm-compat.h for clean handling of constants in asm and C microblaze: Actually show KiB rather than pages in "Freeing initrd memory:" microblaze: Support ptrace syscall tracing. microblaze: Updated CPU version and FPGA family codes in PVR microblaze: Generate correct signal and siginfo for integer div-by-zero microblaze: Don't be noisy when userspace causes hardware exceptions microblaze: Remove ipc.h file which points to non-existing asm-generic file microblaze: Clear sticky FSR register after generating exception signals microblaze: Ensure CPU usermode is set on new userspace processes microblaze: Use correct kbuild variable KBUILD_CFLAGS microblaze: Save and restore msr in hw exception microblaze: Add architectural support for USB EHCI host controllers microblaze: Implement include/asm/syscall.h. microblaze: Improve checking mechanism for MSR instruction microblaze: Add checking mechanism for MSR instruction ...
Diffstat (limited to 'arch/microblaze/boot')
-rw-r--r--arch/microblaze/boot/Makefile41
l---------arch/microblaze/boot/dts/system.dts1
-rw-r--r--arch/microblaze/boot/linked_dtb.S3
3 files changed, 43 insertions, 2 deletions
diff --git a/arch/microblaze/boot/Makefile b/arch/microblaze/boot/Makefile
index c2bb043a029..21f13322a4c 100644
--- a/arch/microblaze/boot/Makefile
+++ b/arch/microblaze/boot/Makefile
@@ -2,10 +2,24 @@
# arch/microblaze/boot/Makefile
#
-targets := linux.bin linux.bin.gz
+obj-y += linked_dtb.o
+
+targets := linux.bin linux.bin.gz simpleImage.%
OBJCOPYFLAGS_linux.bin := -O binary
+# Where the DTS files live
+dtstree := $(srctree)/$(src)/dts
+
+# Ensure system.dtb exists
+$(obj)/linked_dtb.o: $(obj)/system.dtb
+
+# Generate system.dtb from $(DTB).dtb
+ifneq ($(DTB),system)
+$(obj)/system.dtb: $(obj)/$(DTB).dtb
+ $(call if_changed,cp)
+endif
+
$(obj)/linux.bin: vmlinux FORCE
[ -n $(CONFIG_INITRAMFS_SOURCE) ] && [ ! -e $(CONFIG_INITRAMFS_SOURCE) ] && \
touch $(CONFIG_INITRAMFS_SOURCE) || echo "No CPIO image"
@@ -16,4 +30,27 @@ $(obj)/linux.bin.gz: $(obj)/linux.bin FORCE
$(call if_changed,gzip)
@echo 'Kernel: $@ is ready' ' (#'`cat .version`')'
-clean-kernel += linux.bin linux.bin.gz
+quiet_cmd_cp = CP $< $@$2
+ cmd_cp = cat $< >$@$2 || (rm -f $@ && echo false)
+
+quiet_cmd_strip = STRIP $@
+ cmd_strip = $(STRIP) -K _start -K _end -K __log_buf -K _fdt_start vmlinux -o $@
+
+$(obj)/simpleImage.%: vmlinux FORCE
+ $(call if_changed,cp,.unstrip)
+ $(call if_changed,strip)
+ @echo 'Kernel: $@ is ready' ' (#'`cat .version`')'
+
+# Rule to build device tree blobs
+DTC = $(objtree)/scripts/dtc/dtc
+
+# Rule to build device tree blobs
+quiet_cmd_dtc = DTC $@
+ cmd_dtc = $(DTC) -O dtb -o $(obj)/$*.dtb -b 0 -p 1024 $(dtstree)/$*.dts
+
+$(obj)/%.dtb: $(dtstree)/%.dts FORCE
+ $(call if_changed,dtc)
+
+clean-kernel += linux.bin linux.bin.gz simpleImage.*
+
+clean-files += *.dtb
diff --git a/arch/microblaze/boot/dts/system.dts b/arch/microblaze/boot/dts/system.dts
new file mode 120000
index 00000000000..7cb657892f2
--- /dev/null
+++ b/arch/microblaze/boot/dts/system.dts
@@ -0,0 +1 @@
+../../platform/generic/system.dts \ No newline at end of file
diff --git a/arch/microblaze/boot/linked_dtb.S b/arch/microblaze/boot/linked_dtb.S
new file mode 100644
index 00000000000..cb2b537aebe
--- /dev/null
+++ b/arch/microblaze/boot/linked_dtb.S
@@ -0,0 +1,3 @@
+.section __fdt_blob,"a"
+.incbin "arch/microblaze/boot/system.dtb"
+