Makefile : fix generation of cpu related asm-offsets.h

commit 0edf8b5b2fa0d210ebc4d6da0fd1aceeb7e44e47 breaks
building on a different directory with the O= parameter.
The patch wil fix this issue, generating always asm-offsets.h before
the other targets.

Signed-off-by: Stefano Babic <sbabic@denx.de>
CC: Matthias Weisser <weisserm@arcor.de>
CC: Wolfgang Denk <wd@denx.de>
diff --git a/Makefile b/Makefile
index d5a1f0a..ee05fb3 100644
--- a/Makefile
+++ b/Makefile
@@ -464,7 +464,8 @@
 # parallel sub-makes creating .depend files simultaneously.
 depend dep:	$(TIMESTAMP_FILE) $(VERSION_FILE) \
 		$(obj)include/autoconf.mk \
-		$(obj)include/generated/generic-asm-offsets.h
+		$(obj)include/generated/generic-asm-offsets.h \
+		$(obj)include/generated/asm-offsets.h
 		for dir in $(SUBDIRS) $(CPUDIR) $(dir $(LDSCRIPT)) ; do \
 			$(MAKE) -C $$dir _depend ; done
 
@@ -527,6 +528,21 @@
 		$(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
 		-o $@ $(src)lib/asm-offsets.c -c -S
 
+$(obj)include/generated/asm-offsets.h:	$(obj)include/autoconf.mk.dep \
+	$(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
+	@echo Generating $@
+	tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@
+
+$(obj)$(CPUDIR)/$(SOC)/asm-offsets.s:	$(obj)include/autoconf.mk.dep
+	@mkdir -p $(obj)$(CPUDIR)/$(SOC)
+	if [ -f $(src)$(CPUDIR)/$(SOC)/asm-offsets.c ];then \
+		$(CC) -DDO_DEPS_ONLY \
+		$(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
+			-o $@ $(src)$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \
+	else \
+		touch $@; \
+	fi
+
 #########################################################################
 else	# !config.mk
 all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \
@@ -939,6 +955,8 @@
 	       $(obj)arch/blackfin/cpu/init.{lds,elf}
 	@rm -f $(obj)include/bmp_logo.h
 	@rm -f $(obj)lib/asm-offsets.s
+	@rm -f $(obj)include/generated/asm-offsets.h
+	@rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
 	@rm -f $(obj)nand_spl/{u-boot.lds,u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map,System.map}
 	@rm -f $(obj)onenand_ipl/onenand-{ipl,ipl.bin,ipl.map}
 	@rm -f $(obj)mmc_spl/{u-boot.lds,u-boot-spl,u-boot-spl.map,u-boot-spl.bin,u-boot-mmc-spl.bin}
diff --git a/arch/arm/cpu/arm1136/mx35/Makefile b/arch/arm/cpu/arm1136/mx35/Makefile
index 284cdc5..469397c 100644
--- a/arch/arm/cpu/arm1136/mx35/Makefile
+++ b/arch/arm/cpu/arm1136/mx35/Makefile
@@ -39,8 +39,6 @@
 $(LIB):	$(OBJS)
 	$(call cmd_link_o_target, $(OBJS))
 
-$(OBJS) : $(TOPDIR)/include/asm/arch/asm-offsets.h
-
 
 #########################################################################
 
diff --git a/arch/arm/cpu/arm926ejs/mb86r0x/Makefile b/arch/arm/cpu/arm926ejs/mb86r0x/Makefile
index 974d0be..bab048b 100644
--- a/arch/arm/cpu/arm926ejs/mb86r0x/Makefile
+++ b/arch/arm/cpu/arm926ejs/mb86r0x/Makefile
@@ -37,8 +37,6 @@
 $(LIB):	$(OBJS)
 	$(call cmd_link_o_target, $(OBJS))
 
-$(OBJS) : $(TOPDIR)/include/asm/arch/asm-offsets.h
-
 #########################################################################
 
 # defines $(obj).depend target
diff --git a/arch/arm/cpu/arm926ejs/mx25/Makefile b/arch/arm/cpu/arm926ejs/mx25/Makefile
index 9219c06..3c2a65e 100644
--- a/arch/arm/cpu/arm926ejs/mx25/Makefile
+++ b/arch/arm/cpu/arm926ejs/mx25/Makefile
@@ -34,8 +34,6 @@
 $(LIB):	$(OBJS)
 	$(call cmd_link_o_target, $(OBJS))
 
-$(OBJS) : $(TOPDIR)/include/asm/arch/asm-offsets.h
-
 #########################################################################
 
 # defines $(obj).depend target
diff --git a/arch/arm/cpu/arm926ejs/mx27/Makefile b/arch/arm/cpu/arm926ejs/mx27/Makefile
index 7ac1a21..0e112b3 100644
--- a/arch/arm/cpu/arm926ejs/mx27/Makefile
+++ b/arch/arm/cpu/arm926ejs/mx27/Makefile
@@ -34,8 +34,6 @@
 $(LIB):	$(OBJS)
 	$(call cmd_link_o_target, $(OBJS))
 
-$(OBJS) : $(TOPDIR)/include/asm/arch/asm-offsets.h
-
 #########################################################################
 
 # defines $(obj).depend target
diff --git a/arch/arm/cpu/armv7/mx5/Makefile b/arch/arm/cpu/armv7/mx5/Makefile
index 6e13cc3..e8be9c9 100644
--- a/arch/arm/cpu/armv7/mx5/Makefile
+++ b/arch/arm/cpu/armv7/mx5/Makefile
@@ -45,6 +45,4 @@
 
 sinclude $(obj).depend
 
-lowlevel_init.o : $(TOPDIR)/include/asm/arch/asm-offsets.h
-
 #########################################################################
diff --git a/arch/arm/cpu/armv7/mx5/lowlevel_init.S b/arch/arm/cpu/armv7/mx5/lowlevel_init.S
index 6c66b42..7e37221 100644
--- a/arch/arm/cpu/armv7/mx5/lowlevel_init.S
+++ b/arch/arm/cpu/armv7/mx5/lowlevel_init.S
@@ -21,7 +21,7 @@
 
 #include <config.h>
 #include <asm/arch/imx-regs.h>
-#include <asm/arch/asm-offsets.h>
+#include <generated/asm-offsets.h>
 
 /*
  * L2CC Cache setup/invalidation/disable
diff --git a/arch/arm/include/asm/arch-mx25/macro.h b/arch/arm/include/asm/arch-mx25/macro.h
index 276c71c..3b694da 100644
--- a/arch/arm/include/asm/arch-mx25/macro.h
+++ b/arch/arm/include/asm/arch-mx25/macro.h
@@ -31,7 +31,7 @@
 #ifdef __ASSEMBLY__
 
 #include <asm/arch/imx-regs.h>
-#include <asm/arch/asm-offsets.h>
+#include <generated/asm-offsets.h>
 
 .macro init_aips
 	write32	IMX_AIPS1_BASE + AIPS_MPR_0_7, 0x77777777
diff --git a/board/freescale/mx35pdk/lowlevel_init.S b/board/freescale/mx35pdk/lowlevel_init.S
index 9fd04cb..698c4cf 100644
--- a/board/freescale/mx35pdk/lowlevel_init.S
+++ b/board/freescale/mx35pdk/lowlevel_init.S
@@ -21,7 +21,7 @@
 
 #include <config.h>
 #include <asm/arch/imx-regs.h>
-#include <asm/arch/asm-offsets.h>
+#include <generated/asm-offsets.h>
 #include "mx35pdk.h"
 
 /*
diff --git a/board/logicpd/imx27lite/lowlevel_init.S b/board/logicpd/imx27lite/lowlevel_init.S
index e2cdecb..873634f 100644
--- a/board/logicpd/imx27lite/lowlevel_init.S
+++ b/board/logicpd/imx27lite/lowlevel_init.S
@@ -26,7 +26,7 @@
 #include <version.h>
 #include <asm/macro.h>
 #include <asm/arch/imx-regs.h>
-#include <asm/arch/asm-offsets.h>
+#include <generated/asm-offsets.h>
 
 SOC_ESDCTL_BASE_W:	.word	IMX_ESD_BASE
 SOC_SI_ID_REG_W:	.word	IMX_SYSTEM_CTL_BASE
diff --git a/board/syteco/jadecpu/lowlevel_init.S b/board/syteco/jadecpu/lowlevel_init.S
index 5ad4dce..b01f087 100644
--- a/board/syteco/jadecpu/lowlevel_init.S
+++ b/board/syteco/jadecpu/lowlevel_init.S
@@ -30,7 +30,7 @@
 #include <version.h>
 #include <asm/macro.h>
 #include <asm/arch/mb86r0x.h>
-#include <asm/arch/asm-offsets.h>
+#include <generated/asm-offsets.h>
 
 /* Set up the platform, once the cpu has been initialized */
 .globl lowlevel_init
diff --git a/board/syteco/zmx25/lowlevel_init.S b/board/syteco/zmx25/lowlevel_init.S
index 8e63de0..1002674 100644
--- a/board/syteco/zmx25/lowlevel_init.S
+++ b/board/syteco/zmx25/lowlevel_init.S
@@ -27,7 +27,7 @@
 #include <asm/macro.h>
 #include <asm/arch/macro.h>
 #include <asm/arch/imx-regs.h>
-#include <asm/arch/asm-offsets.h>
+#include <generated/asm-offsets.h>
 
 /*
  * clocks
diff --git a/rules.mk b/rules.mk
index a6bae62..d79fcd3 100644
--- a/rules.mk
+++ b/rules.mk
@@ -42,14 +42,4 @@
 $(NOPEDOBJS): $(obj)%.o: %.c
 	$(HOSTCC) $(HOSTCFLAGS_NOPED) $(HOSTCFLAGS_$(@F)) $(HOSTCFLAGS_$(BCURDIR)) -o $@ $< -c
 
-$(TOPDIR)/include/asm/arch/asm-offsets.h:	$(TOPDIR)/include/autoconf.mk.dep \
-	$(TOPDIR)/$(CPUDIR)/$(SOC)/asm-offsets.s
-	@echo Generating $@
-	$(TOPDIR)/tools/scripts/make-asm-offsets $(TOPDIR)/$(CPUDIR)/$(SOC)/asm-offsets.s $@
-
-$(TOPDIR)/$(CPUDIR)/$(SOC)/asm-offsets.s:	$(TOPDIR)/include/autoconf.mk.dep \
-	$(TOPDIR)/$(CPUDIR)/$(SOC)/asm-offsets.c
-	$(CC) -DDO_DEPS_ONLY \
-		$(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
-		-o $@ $(TOPDIR)/$(CPUDIR)/$(SOC)/asm-offsets.c -c -S
 #########################################################################