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Create CPUDIR variable
authorPeter Tyser <ptyser@xes-inc.com>
Tue, 13 Apr 2010 03:28:02 +0000 (22:28 -0500)
committerWolfgang Denk <wd@denx.de>
Tue, 13 Apr 2010 07:12:59 +0000 (09:12 +0200)
The CPUDIR variable points to the location of a target's CPU directory.
Currently, it is set to cpu/$CPU.  However, using $CPUDIR will allow for
more flexibility in the future.  It lays the groundwork for reorganizing
U-Boot's directory structure to support a layout such as:

  arch/$ARCH/cpu/$CPU/* (architecture with multiple CPU types)
  arch/$ARCH/cpu/*      (architecture with one CPU type)

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
14 files changed:
Makefile patch | blob | history
board/freescale/mpc8536ds/config.mk patch | blob | history
board/freescale/mpc8569mds/config.mk patch | blob | history
board/freescale/mx51evk/config.mk patch | blob | history
board/freescale/p1_p2_rdb/config.mk patch | blob | history
config.mk patch | blob | history
doc/README.ARM-SoC patch | blob | history
lib_arm/config.mk patch | blob | history
lib_blackfin/config.mk patch | blob | history
lib_sh/config.mk patch | blob | history
nand_spl/board/freescale/mpc8536ds/Makefile patch | blob | history
nand_spl/board/freescale/mpc8569mds/Makefile patch | blob | history
nand_spl/board/freescale/p1_p2_rdb/Makefile patch | blob | history
onenand_ipl/board/apollon/Makefile patch | blob | history

diff --git a/Makefile b/Makefile
index 5d314c62a388256f8a7f23f3bd375389c025ed42..8e3eb9938d63176baaa41ae2ba835484e3f1fc68 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -169,16 +169,16 @@ include $(TOPDIR)/config.mk
 #########################################################################
 # U-Boot objects....order is important (i.e. start must be first)
 
-OBJS  = cpu/$(CPU)/start.o
+OBJS  = $(CPUDIR)/start.o
 ifeq ($(CPU),i386)
-OBJS += cpu/$(CPU)/start16.o
-OBJS += cpu/$(CPU)/resetvec.o
+OBJS += $(CPUDIR)/start16.o
+OBJS += $(CPUDIR)/resetvec.o
 endif
 ifeq ($(CPU),ppc4xx)
-OBJS += cpu/$(CPU)/resetvec.o
+OBJS += $(CPUDIR)/resetvec.o
 endif
 ifeq ($(CPU),mpc85xx)
-OBJS += cpu/$(CPU)/resetvec.o
+OBJS += $(CPUDIR)/resetvec.o
 endif
 
 OBJS := $(addprefix $(obj),$(OBJS))
@@ -188,9 +188,9 @@ LIBS += lib_generic/lzma/liblzma.a
 LIBS += lib_generic/lzo/liblzo.a
 LIBS += $(shell if [ -f board/$(VENDOR)/common/Makefile ]; then echo \
        "board/$(VENDOR)/common/lib$(VENDOR).a"; fi)
-LIBS += cpu/$(CPU)/lib$(CPU).a
+LIBS += $(CPUDIR)/lib$(CPU).a
 ifdef SOC
-LIBS += cpu/$(CPU)/$(SOC)/lib$(SOC).a
+LIBS += $(CPUDIR)/$(SOC)/lib$(SOC).a
 endif
 ifeq ($(CPU),ixp)
 LIBS += cpu/ixp/npe/libnpe.a
@@ -354,7 +354,7 @@ ifeq ($(CONFIG_KALLSYMS),y)
 endif
 
 $(OBJS):       depend
-               $(MAKE) -C cpu/$(CPU) $(if $(REMOTE_BUILD),$@,$(notdir $@))
+               $(MAKE) -C $(CPUDIR) $(if $(REMOTE_BUILD),$@,$(notdir $@))
 
 $(LIBS):       depend $(SUBDIRS)
                $(MAKE) -C $(dir $(subst $(obj),,$@))
@@ -404,7 +404,7 @@ env:
 # Explicitly make _depend in subdirs containing multiple targets to prevent
 # parallel sub-makes creating .depend files simultaneously.
 depend dep:    $(TIMESTAMP_FILE) $(VERSION_FILE) $(obj)include/autoconf.mk
-               for dir in $(SUBDIRS) cpu/$(CPU) $(dir $(LDSCRIPT)) ; do \
+               for dir in $(SUBDIRS) $(CPUDIR) $(dir $(LDSCRIPT)) ; do \
                        $(MAKE) -C $$dir _depend ; done
 
 TAG_SUBDIRS = $(SUBDIRS)
diff --git a/board/freescale/mpc8536ds/config.mk b/board/freescale/mpc8536ds/config.mk
index e38af731bed519855f53c59119454c68de0056f0..3f5447a4369715c9a3edc6ceab53b93aada98408 100644 (file)
--- a/board/freescale/mpc8536ds/config.mk
+++ b/board/freescale/mpc8536ds/config.mk
@@ -26,7 +26,7 @@
 ifndef NAND_SPL
 ifeq ($(CONFIG_MK_NAND), y)
 TEXT_BASE = $(CONFIG_RAMBOOT_TEXT_BASE)
-LDSCRIPT := $(TOPDIR)/cpu/$(CPU)/u-boot-nand.lds
+LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-nand.lds
 endif
 endif
 
diff --git a/board/freescale/mpc8569mds/config.mk b/board/freescale/mpc8569mds/config.mk
index 7de0f7cf7d6cb2382114debb911ff18f6afadc20..86f138c19ca292258aae0bc19bac7f41af9b6c28 100644 (file)
--- a/board/freescale/mpc8569mds/config.mk
+++ b/board/freescale/mpc8569mds/config.mk
@@ -26,7 +26,7 @@
 ifndef NAND_SPL
 ifeq ($(CONFIG_MK_NAND), y)
 TEXT_BASE = $(CONFIG_RAMBOOT_TEXT_BASE)
-LDSCRIPT := $(TOPDIR)/cpu/$(CPU)/u-boot-nand.lds
+LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-nand.lds
 endif
 endif
 
diff --git a/board/freescale/mx51evk/config.mk b/board/freescale/mx51evk/config.mk
index c8279ec8cbd9d9bacefcc4388fef0741c28eff59..af70ec250f63eabc8e745649e4d3d3d66cef20f8 100644 (file)
--- a/board/freescale/mx51evk/config.mk
+++ b/board/freescale/mx51evk/config.mk
@@ -20,6 +20,6 @@
 # MA 02111-1307 USA
 #
 
-LDSCRIPT = cpu/$(CPU)/$(SOC)/u-boot.lds
+LDSCRIPT = $(CPUDIR)/$(SOC)/u-boot.lds
 TEXT_BASE = 0x97800000
 IMX_CONFIG = $(SRCTREE)/board/$(BOARDDIR)/imximage.cfg
diff --git a/board/freescale/p1_p2_rdb/config.mk b/board/freescale/p1_p2_rdb/config.mk
index 0f7a0487e07f82c6117cd778b839a20496579e30..1f9f7b68a266a2dd850ffe1e7bf218823a86807f 100644 (file)
--- a/board/freescale/p1_p2_rdb/config.mk
+++ b/board/freescale/p1_p2_rdb/config.mk
@@ -27,7 +27,7 @@
 ifndef NAND_SPL
 ifeq ($(CONFIG_MK_NAND), y)
 TEXT_BASE = $(CONFIG_RAMBOOT_TEXT_BASE)
-LDSCRIPT := $(TOPDIR)/cpu/$(CPU)/u-boot-nand.lds
+LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-nand.lds
 endif
 endif
 
diff --git a/config.mk b/config.mk
index cb1c4af977203cca95aa39aa58a1864648f023dc..c82cb63d247ab22a59a4ef9b172e862f142e255b 100644 (file)
--- a/config.mk
+++ b/config.mk
@@ -110,14 +110,15 @@ RANLIB    = $(CROSS_COMPILE)RANLIB
 # Load generated board configuration
 sinclude $(OBJTREE)/include/autoconf.mk
 
-ifdef  ARCH
+# Some architecture config.mk files need to know what CPUDIR is set to,
+# so calculate CPUDIR before including ARCH/SOC/CPU config.mk files.
+CPUDIR=cpu/$(CPU)
+
 sinclude $(TOPDIR)/lib_$(ARCH)/config.mk       # include architecture dependend rules
-endif
-ifdef  CPU
-sinclude $(TOPDIR)/cpu/$(CPU)/config.mk                # include  CPU  specific rules
-endif
+sinclude $(TOPDIR)/$(CPUDIR)/config.mk         # include  CPU  specific rules
+
 ifdef  SOC
-sinclude $(TOPDIR)/cpu/$(CPU)/$(SOC)/config.mk # include  SoC  specific rules
+sinclude $(TOPDIR)/$(CPUDIR)/$(SOC)/config.mk  # include  SoC  specific rules
 endif
 ifdef  VENDOR
 BOARDDIR = $(VENDOR)/$(BOARD)
diff --git a/doc/README.ARM-SoC b/doc/README.ARM-SoC
index 0f2677f88bf463d981d4d7aa040e4e849a920fc6..15f065dfbc7e3889804a20ff4432ea92e6a99c31 100644 (file)
--- a/doc/README.ARM-SoC
+++ b/doc/README.ARM-SoC
@@ -7,14 +7,14 @@ I introduced the concept of Soc (system on a chip) into the ./cpu
 directory. That means that code that is cpu (i.e. core) specific
 resides in
 
-       cpu/$(CPU)/
+       $(CPUDIR)/
 
 and code that is specific to some SoC (i.e. vendor specific
 peripherals around the core) is moved into
 
-       cpu/$(CPU)/$(SOC)/
+       $(CPUDIR)/$(SOC)/
 
-Thus a library/archive "cpu/$(CPU)/$(SOC)/lib$(SOC).a" will be build
+Thus a library/archive "$(CPUDIR)/$(SOC)/lib$(SOC).a" will be build
 and linked. Examples will be
 
        cpu/arm920t/imx/
diff --git a/lib_arm/config.mk b/lib_arm/config.mk
index 3c078df3c127c2fe680cfc9fa0fc3011d79df3d8..8dd4dccf368c0d75b6a9ce8f763f6e9afc8e6c65 100644 (file)
--- a/lib_arm/config.mk
+++ b/lib_arm/config.mk
@@ -63,4 +63,4 @@ ifeq (,$(findstring lib_arm/eabi_compat.o,$(PLATFORM_LIBS)))
 PLATFORM_LIBS += $(OBJTREE)/lib_arm/eabi_compat.o
 endif
 endif
-LDSCRIPT := $(SRCTREE)/cpu/$(CPU)/u-boot.lds
+LDSCRIPT := $(SRCTREE)/$(CPUDIR)/u-boot.lds
diff --git a/lib_blackfin/config.mk b/lib_blackfin/config.mk
index 1b5cbbaf2952bdcb58e589cb0f96151cb30d11e1..3ecade9aa438a2be88a9de827d5e881e4a88f492 100644 (file)
--- a/lib_blackfin/config.mk
+++ b/lib_blackfin/config.mk
@@ -56,7 +56,7 @@ LDR_FLAGS-$(CONFIG_BFIN_BOOTROM_USES_EVT1) += -J
 
 LDR_FLAGS += --bmode $(subst BFIN_BOOT_,,$(CONFIG_BFIN_BOOT_MODE))
 LDR_FLAGS += --use-vmas
-LDR_FLAGS += --initcode $(obj)cpu/$(CPU)/initcode.o
+LDR_FLAGS += --initcode $(obj)$(CPUDIR)/initcode.o
 ifneq ($(CONFIG_BFIN_BOOT_MODE),BFIN_BOOT_UART)
 LDR_FLAGS-$(CONFIG_ENV_IS_EMBEDDED_IN_LDR) += \
        --punchit $$(($(CONFIG_ENV_OFFSET))):$$(($(CONFIG_ENV_SIZE))):$(obj)env-ldr.o
diff --git a/lib_sh/config.mk b/lib_sh/config.mk
index fa5369fd0843db5d6c6737f04bf60a91e1edf87d..797bf4c2269d8a2e5baa8f756f808953bf0e0db9 100644 (file)
--- a/lib_sh/config.mk
+++ b/lib_sh/config.mk
@@ -31,4 +31,4 @@ endif
 PLATFORM_CPPFLAGS += -DCONFIG_SH -D__SH__
 PLATFORM_LDFLAGS += -e $(TEXT_BASE) --defsym reloc_dst=$(TEXT_BASE)
 
-LDSCRIPT := $(SRCTREE)/cpu/$(CPU)/u-boot.lds
+LDSCRIPT := $(SRCTREE)/$(CPUDIR)/u-boot.lds
diff --git a/nand_spl/board/freescale/mpc8536ds/Makefile b/nand_spl/board/freescale/mpc8536ds/Makefile
index 7ed9d619dc8aafce02c54413749f594184a4f44f..be0caaa7b3d2255e0b4a25ed7e5b88b61511e950 100644 (file)
--- a/nand_spl/board/freescale/mpc8536ds/Makefile
+++ b/nand_spl/board/freescale/mpc8536ds/Makefile
@@ -29,7 +29,7 @@ PAD_TO := 0xfff01000
 
 include $(TOPDIR)/config.mk
 
-LDSCRIPT= $(TOPDIR)/cpu/$(CPU)/u-boot-nand_spl.lds
+LDSCRIPT= $(TOPDIR)/$(CPUDIR)/u-boot-nand_spl.lds
 LDFLAGS        = -Bstatic -T $(LDSCRIPT) -Ttext $(TEXT_BASE) $(PLATFORM_LDFLAGS)
 AFLAGS += -DCONFIG_NAND_SPL
 CFLAGS += -DCONFIG_NAND_SPL
@@ -93,7 +93,7 @@ $(obj)ns16550.c:
 
 $(obj)resetvec.S:
        @rm -f $(obj)resetvec.S
-       ln -s $(SRCTREE)/cpu/$(CPU)/resetvec.S $(obj)resetvec.S
+       ln -s $(SRCTREE)/$(CPUDIR)/resetvec.S $(obj)resetvec.S
 
 $(obj)fixed_ivor.S:
        @rm -f $(obj)fixed_ivor.S
diff --git a/nand_spl/board/freescale/mpc8569mds/Makefile b/nand_spl/board/freescale/mpc8569mds/Makefile
index 7ed9d619dc8aafce02c54413749f594184a4f44f..be0caaa7b3d2255e0b4a25ed7e5b88b61511e950 100644 (file)
--- a/nand_spl/board/freescale/mpc8569mds/Makefile
+++ b/nand_spl/board/freescale/mpc8569mds/Makefile
@@ -29,7 +29,7 @@ PAD_TO := 0xfff01000
 
 include $(TOPDIR)/config.mk
 
-LDSCRIPT= $(TOPDIR)/cpu/$(CPU)/u-boot-nand_spl.lds
+LDSCRIPT= $(TOPDIR)/$(CPUDIR)/u-boot-nand_spl.lds
 LDFLAGS        = -Bstatic -T $(LDSCRIPT) -Ttext $(TEXT_BASE) $(PLATFORM_LDFLAGS)
 AFLAGS += -DCONFIG_NAND_SPL
 CFLAGS += -DCONFIG_NAND_SPL
@@ -93,7 +93,7 @@ $(obj)ns16550.c:
 
 $(obj)resetvec.S:
        @rm -f $(obj)resetvec.S
-       ln -s $(SRCTREE)/cpu/$(CPU)/resetvec.S $(obj)resetvec.S
+       ln -s $(SRCTREE)/$(CPUDIR)/resetvec.S $(obj)resetvec.S
 
 $(obj)fixed_ivor.S:
        @rm -f $(obj)fixed_ivor.S
diff --git a/nand_spl/board/freescale/p1_p2_rdb/Makefile b/nand_spl/board/freescale/p1_p2_rdb/Makefile
index 7ed9d619dc8aafce02c54413749f594184a4f44f..be0caaa7b3d2255e0b4a25ed7e5b88b61511e950 100644 (file)
--- a/nand_spl/board/freescale/p1_p2_rdb/Makefile
+++ b/nand_spl/board/freescale/p1_p2_rdb/Makefile
@@ -29,7 +29,7 @@ PAD_TO := 0xfff01000
 
 include $(TOPDIR)/config.mk
 
-LDSCRIPT= $(TOPDIR)/cpu/$(CPU)/u-boot-nand_spl.lds
+LDSCRIPT= $(TOPDIR)/$(CPUDIR)/u-boot-nand_spl.lds
 LDFLAGS        = -Bstatic -T $(LDSCRIPT) -Ttext $(TEXT_BASE) $(PLATFORM_LDFLAGS)
 AFLAGS += -DCONFIG_NAND_SPL
 CFLAGS += -DCONFIG_NAND_SPL
@@ -93,7 +93,7 @@ $(obj)ns16550.c:
 
 $(obj)resetvec.S:
        @rm -f $(obj)resetvec.S
-       ln -s $(SRCTREE)/cpu/$(CPU)/resetvec.S $(obj)resetvec.S
+       ln -s $(SRCTREE)/$(CPUDIR)/resetvec.S $(obj)resetvec.S
 
 $(obj)fixed_ivor.S:
        @rm -f $(obj)fixed_ivor.S
diff --git a/onenand_ipl/board/apollon/Makefile b/onenand_ipl/board/apollon/Makefile
index 193efffb56507a3e822c59ca646bc4887346ff76..6f1df01135ed6f3b4fd278cf2a1a3c9739f10abc 100644 (file)
--- a/onenand_ipl/board/apollon/Makefile
+++ b/onenand_ipl/board/apollon/Makefile
@@ -46,7 +46,7 @@ $(onenandobj)u-boot.lds:      $(LDSCRIPT)
 # from cpu directory
 $(obj)start.S:
        @rm -f $@
-       ln -s $(SRCTREE)/cpu/$(CPU)/start.S $@
+       ln -s $(SRCTREE)/$(CPUDIR)/start.S $@
 
 # from onenand_ipl directory
 $(obj)onenand_ipl.h:
My U-Boot fork