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authorMike Frysinger <vapier@gentoo.org>2011-02-07 05:49:11 (GMT)
committer Peter Korsgaard <jacmet@sunsite.dk>2011-02-07 13:29:19 (GMT)
commit871db074b133908cb59480da37626199a00704fd (patch)
tree38f3e0d21297bcc45f0ce5c4c3a2606341b21d27
parentfebe322d273e1f9538aa124861badc0df2e52742 (diff)
downloadbuildroot-871db074b133908cb59480da37626199a00704fd.tar.gz
buildroot-871db074b133908cb59480da37626199a00704fd.tar.bz2
initial support for Blackfin processors
[Peter: don't allow MMU on bfin] Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
-rw-r--r--Makefile1
-rw-r--r--boot/u-boot/Config.in4
-rw-r--r--boot/u-boot/u-boot.mk2
-rw-r--r--linux/Config.in2
-rw-r--r--linux/linux.mk5
-rw-r--r--target/Config.in.arch19
-rw-r--r--toolchain/toolchain-common.in2
7 files changed, 32 insertions, 3 deletions
diff --git a/Makefile b/Makefile
index 914d2ed..be4c078 100644
--- a/Makefile
+++ b/Makefile
@@ -263,6 +263,7 @@ endif
KERNEL_ARCH:=$(shell echo "$(ARCH)" | sed -e "s/-.*//" \
-e s/i.86/i386/ -e s/sun4u/sparc64/ \
-e s/arm.*/arm/ -e s/sa110/arm/ \
+ -e s/bfin/blackfin/ \
-e s/parisc64/parisc/ \
-e s/powerpc64/powerpc/ \
-e s/ppc.*/powerpc/ -e s/mips.*/mips/ \
diff --git a/boot/u-boot/Config.in b/boot/u-boot/Config.in
index 60aeb1a..78c03ff 100644
--- a/boot/u-boot/Config.in
+++ b/boot/u-boot/Config.in
@@ -75,6 +75,10 @@ config BR2_TARGET_UBOOT_FORMAT_KWB
depends on BR2_arm
bool "u-boot.kwb (Marvell)"
+config BR2_TARGET_UBOOT_FORMAT_LDR
+ depends on BR2_bfin
+ bool "u-boot.ldr"
+
endchoice
config BR2_TARGET_UBOOT_TOOL_MKIMAGE
diff --git a/boot/u-boot/u-boot.mk b/boot/u-boot/u-boot.mk
index 2f890fa..bd26f52 100644
--- a/boot/u-boot/u-boot.mk
+++ b/boot/u-boot/u-boot.mk
@@ -31,6 +31,8 @@ U_BOOT_CAT:=$(BZCAT)
ifeq ($(BR2_TARGET_UBOOT_FORMAT_KWB),y)
U_BOOT_BIN:=u-boot.kwb
U_BOOT_MAKE_OPT:=$(U_BOOT_BIN)
+else ifeq ($(BR2_TARGET_UBOOT_FORMAT_LDR),y)
+U_BOOT_BIN:=u-boot.ldr
else
U_BOOT_BIN:=u-boot.bin
endif
diff --git a/linux/Config.in b/linux/Config.in
index 17aa29a..bdb1abe 100644
--- a/linux/Config.in
+++ b/linux/Config.in
@@ -115,7 +115,7 @@ choice
config BR2_LINUX_KERNEL_UIMAGE
bool "uImage"
- depends on BR2_arm || BR2_armeb || BR2_powerpc || BR2_avr32 || BR2_sh || BR2_sh64
+ depends on BR2_arm || BR2_armeb || BR2_bfin || BR2_powerpc || BR2_avr32 || BR2_sh || BR2_sh64
config BR2_LINUX_KERNEL_BZIMAGE
bool "bzImage"
diff --git a/linux/linux.mk b/linux/linux.mk
index 2bc2efe..9076fb9 100644
--- a/linux/linux.mk
+++ b/linux/linux.mk
@@ -31,7 +31,12 @@ LINUX26_MAKE_FLAGS = \
LINUX26_VERSION_PROBED = $(shell $(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) --no-print-directory -s kernelrelease)
ifeq ($(BR2_LINUX_KERNEL_UIMAGE),y)
+ifeq ($(KERNEL_ARCH),blackfin)
+# a uImage, but with a different file name
+LINUX26_IMAGE_NAME=vmImage
+else
LINUX26_IMAGE_NAME=uImage
+endif
LINUX26_DEPENDENCIES+=$(MKIMAGE)
else ifeq ($(BR2_LINUX_KERNEL_BZIMAGE),y)
LINUX26_IMAGE_NAME=bzImage
diff --git a/target/Config.in.arch b/target/Config.in.arch
index 0774d55..7c80945 100644
--- a/target/Config.in.arch
+++ b/target/Config.in.arch
@@ -14,6 +14,8 @@ config BR2_armeb
config BR2_avr32
bool "avr32"
select BR2_SOFT_FLOAT
+config BR2_bfin
+ bool "bfin"
config BR2_i386
bool "i386"
config BR2_m68k
@@ -128,6 +130,20 @@ config BR2_ARM_OABI
endchoice
choice
+ prompt "Target ABI"
+ depends on BR2_bfin
+ default BR2_BFIN_FLAT
+config BR2_BFIN_FDPIC
+ bool "FDPIC"
+config BR2_BFIN_FLAT
+ bool "FLAT"
+config BR2_BFIN_FLAT_SEP_DATA
+ bool "FLAT (Separate data)"
+config BR2_BFIN_SHARED_FLAT
+ bool "Shared FLAT"
+endchoice
+
+choice
prompt "Target Architecture Variant"
depends on BR2_mips || BR2_mipsel
default BR2_mips_3 if BR2_mips
@@ -444,6 +460,7 @@ config BR2_ARCH
default "arm" if BR2_arm
default "armeb" if BR2_armeb
default "avr32" if BR2_avr32
+ default "bfin" if BR2_bfin
default "i386" if BR2_x86_i386
default "i486" if BR2_x86_i486
default "i586" if BR2_x86_i586
@@ -485,7 +502,7 @@ config BR2_ARCH
config BR2_ENDIAN
string
- default "LITTLE" if BR2_arm || BR2_i386 || BR2_mipsel || \
+ default "LITTLE" if BR2_arm || BR2_bfin || BR2_i386 || BR2_mipsel || \
BR2_sh3 || BR2_sh4 || BR2_x86_64 || BR2_sh64
default "BIG" if BR2_armeb || BR2_avr32 || BR2_m68k || BR2_mips || \
BR2_powerpc || BR2_sh2a_nofpueb || BR2_sh2eb || \
diff --git a/toolchain/toolchain-common.in b/toolchain/toolchain-common.in
index eb3628a..a641785 100644
--- a/toolchain/toolchain-common.in
+++ b/toolchain/toolchain-common.in
@@ -68,7 +68,7 @@ config BR2_NEEDS_GETTEXT_IF_LOCALE
config BR2_USE_MMU
bool "Enable MMU support" if BR2_arm || BR2_armeb || BR2_mips || BR2_mipsel || BR2_sh || BR2_xtensa
- default y
+ default y if !BR2_bfin
help
If your target has a MMU, you should say Y here. If you
are unsure, just say Y.