Merge branch 'for-next/pbl'

64 files changed, 626 insertions, 149 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 904c02d0fb..a54ad03445 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -4,6 +4,8 @@ config ARM
 	select HAS_MODULES
 	select HAVE_CONFIGURABLE_MEMORY_LAYOUT
 	select HAVE_CONFIGURABLE_TEXT_BASE
+	select HAVE_PBL_IMAGE
+	select HAVE_IMAGE_COMPRESSION
 	default y
 
 config ARM_AMBA
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 1b60261bc8..8e660bea2b 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -160,8 +160,17 @@ CPPFLAGS += -fdata-sections -ffunction-sections
 LDFLAGS_barebox += -static --gc-sections
 endif
 
-barebox.netx: barebox.bin
-	$(Q)scripts/gen_netx_image -i barebox.bin -o barebox.netx		\
+ifdef CONFIG_IMAGE_COMPRESSION
+KBUILD_BINARY := arch/arm/pbl/zbarebox.bin
+KBUILD_TARGET := zbarebox.bin
+$(KBUILD_BINARY): $(KBUILD_TARGET)
+else
+KBUILD_BINARY := barebox.bin
+KBUILD_TARGET := barebox.bin
+endif
+
+barebox.netx: $(KBUILD_BINARY)
+	$(Q)scripts/gen_netx_image -i $< -o barebox.netx		\
 		--sdramctrl=$(CONFIG_NETX_SDRAM_CTRL)			\
 		--sdramtimctrl=$(CONFIG_NETX_SDRAM_TIMING_CTRL)		\
 		--memctrl=$(CONFIG_NETX_MEM_CTRL)			\
@@ -169,35 +178,48 @@ barebox.netx: barebox.bin
 		--cookie=$(CONFIG_NETX_COOKIE);
 
 ifeq ($(machine-y),netx)
-KBUILD_IMAGE := barebox.netx
+KBUILD_TARGET := barebox.netx
+KBUILD_BINARY := $(KBUILD_TARGET)
 endif
 
-barebox.s5p: barebox.bin
-	$(Q)scripts/s5p_cksum barebox.bin barebox.s5p
+barebox.s5p: $(KBUILD_BINARY)
+	$(Q)scripts/s5p_cksum $< barebox.s5p
 
 ifeq ($(CONFIG_ARCH_S5PCxx),y)
-KBUILD_IMAGE := barebox.s5p
+KBUILD_TARGET := barebox.s5p
+KBUILD_BINARY := $(KBUILD_TARGET)
 endif
 
-MLO: barebox.bin
-	@echo "  IFT    " $@
-	$(Q)scripts/omap_signGP barebox.bin $(TEXT_BASE) 1
-	$(Q)test -e barebox.bin.ift && mv barebox.bin.ift MLO
+quiet_cmd_mlo ?= IFT     $@
+	cmd_mlo ?= scripts/omap_signGP $< $(TEXT_BASE) 1; \
+		     test -e $<.ift && mv $<.ift MLO
+
+MLO: $(KBUILD_BINARY)
+	$(call if_changed,mlo)
 
 ifeq ($(CONFIG_OMAP_BUILD_IFT),y)
-KBUILD_IMAGE := MLO
+KBUILD_TARGET := MLO
+KBUILD_BINARY := $(KBUILD_TARGET)
 endif
 
-barebox.ubl: barebox.bin
+barebox.ubl: $(KBUILD_BINARY)
 	@echo "  UBL    " $@
-	$(Q)scripts/mkublheader barebox.bin > barebox.ubl
-	$(Q)cat barebox.bin >> barebox.ubl
+	$(Q)scripts/mkublheader $< > barebox.ubl
+	$(Q)cat $< >> barebox.ubl
 
 ifeq ($(CONFIG_ARCH_DAVINCI),y)
-KBUILD_IMAGE := barebox.ubl
+KBUILD_TARGET := barebox.ubl
+KBUILD_BINARY := $(KBUILD_TARGET)
 endif
 
-all: $(KBUILD_IMAGE)
+pbl := arch/arm/pbl
+zbarebox.S zbarebox.bin zbarebox: barebox.bin
+	$(Q)$(MAKE) $(build)=$(pbl) $(pbl)/$@
+
+archclean:
+	$(MAKE) $(clean)=$(pbl)
+
+KBUILD_IMAGE := $(KBUILD_BINARY)
 
 archprepare: maketools
 maketools:
@@ -222,4 +244,4 @@ common-y += arch/arm/lib/ arch/arm/cpu/
 
 lds-y	:= arch/arm/lib/barebox.lds
 
-CLEAN_FILES += include/generated/mach-types.h arch/arm/lib/barebox.lds
+CLEAN_FILES += include/generated/mach-types.h arch/arm/lib/barebox.lds barebox-flash-image
diff --git a/arch/arm/boards/a9m2410/Makefile b/arch/arm/boards/a9m2410/Makefile
index 63026f08b2..6842c844b2 100644
--- a/arch/arm/boards/a9m2410/Makefile
+++ b/arch/arm/boards/a9m2410/Makefile
@@ -1,3 +1,4 @@
 
 obj-y += lowlevel_init.o
+pbl-y += lowlevel_init.o
 obj-y += a9m2410.o
diff --git a/arch/arm/boards/a9m2410/a9m2410.c b/arch/arm/boards/a9m2410/a9m2410.c
index fb3f1baf10..8d97282756 100644
--- a/arch/arm/boards/a9m2410/a9m2410.c
+++ b/arch/arm/boards/a9m2410/a9m2410.c
@@ -137,13 +137,6 @@ static int a9m2410_devices_init(void)
 
 device_initcall(a9m2410_devices_init);
 
-#ifdef CONFIG_S3C_NAND_BOOT
-void __bare_init nand_boot(void)
-{
-	s3c24x0_nand_load_image(_text, 256 * 1024, 0);
-}
-#endif
-
 static int a9m2410_console_init(void)
 {
 	s3c24xx_add_uart1();
diff --git a/arch/arm/boards/a9m2440/Makefile b/arch/arm/boards/a9m2440/Makefile
index 779e83dc03..8a8f36df02 100644
--- a/arch/arm/boards/a9m2440/Makefile
+++ b/arch/arm/boards/a9m2440/Makefile
@@ -1,4 +1,5 @@
 
 obj-y += lowlevel_init.o
+pbl-y += lowlevel_init.o
 obj-y += a9m2440.o
 obj-$(CONFIG_MACH_A9M2410DEV) += a9m2410dev.o
diff --git a/arch/arm/boards/a9m2440/a9m2440.c b/arch/arm/boards/a9m2440/a9m2440.c
index 6beb72eb71..ac1c7a491a 100644
--- a/arch/arm/boards/a9m2440/a9m2440.c
+++ b/arch/arm/boards/a9m2440/a9m2440.c
@@ -156,13 +156,6 @@ static int a9m2440_devices_init(void)
 
 device_initcall(a9m2440_devices_init);
 
-#ifdef CONFIG_S3C_NAND_BOOT
-void __bare_init nand_boot(void)
-{
-	s3c24x0_nand_load_image(_text, 256 * 1024, 0);
-}
-#endif
-
 static int a9m2440_console_init(void)
 {
 	s3c24xx_add_uart1();
diff --git a/arch/arm/boards/ccxmx51/Makefile b/arch/arm/boards/ccxmx51/Makefile
index 249927ef2e..f9eb2db14e 100644
--- a/arch/arm/boards/ccxmx51/Makefile
+++ b/arch/arm/boards/ccxmx51/Makefile
@@ -1,2 +1,3 @@
 obj-y					+= flash_header.o ccxmx51.o
+pbl-y					+= flash_header.o
 obj-$(CONFIG_MACH_CCMX51_BASEBOARD)	+= ccxmx51js.o
diff --git a/arch/arm/boards/edb93xx/Makefile b/arch/arm/boards/edb93xx/Makefile
index e19cd7b4c2..945c963ffd 100644
--- a/arch/arm/boards/edb93xx/Makefile
+++ b/arch/arm/boards/edb93xx/Makefile
@@ -1,2 +1,3 @@
 
 obj-y += edb93xx.o flash_cfg.o pll_cfg.o sdram_cfg.o
+pbl-y += edb93xx.o flash_cfg.o pll_cfg.o sdram_cfg.o
diff --git a/arch/arm/boards/eukrea_cpuimx25/Makefile b/arch/arm/boards/eukrea_cpuimx25/Makefile
index 406c6f32f7..cc01cf985b 100644
--- a/arch/arm/boards/eukrea_cpuimx25/Makefile
+++ b/arch/arm/boards/eukrea_cpuimx25/Makefile
@@ -21,4 +21,7 @@
 #
 
 obj-y += lowlevel.o
+pbl-y += lowlevel.o
 obj-y += eukrea_cpuimx25.o
+obj-$(CONFIG_ARCH_IMX_INTERNAL_BOOT) += flash_header.o
+pbl-$(CONFIG_ARCH_IMX_INTERNAL_BOOT) += flash_header.o
diff --git a/arch/arm/boards/eukrea_cpuimx25/eukrea_cpuimx25.c b/arch/arm/boards/eukrea_cpuimx25/eukrea_cpuimx25.c
index 0aac13c988..a84288cca3 100644
--- a/arch/arm/boards/eukrea_cpuimx25/eukrea_cpuimx25.c
+++ b/arch/arm/boards/eukrea_cpuimx25/eukrea_cpuimx25.c
@@ -50,40 +50,6 @@
 #include <mach/devices-imx25.h>
 #include <asm/barebox-arm-head.h>
 
-void __naked __flash_header_start go(void)
-{
-	barebox_arm_head();
-}
-
-struct imx_dcd_entry __dcd_entry_section dcd_entry[] = {
-	{ .ptr_type = 4, .addr = 0xb8001010, .val = 0x00000004, },
-	{ .ptr_type = 4, .addr = 0xb8001000, .val = 0x92100000, },
-	{ .ptr_type = 1, .addr = 0x80000400, .val = 0x12344321, },
-	{ .ptr_type = 4, .addr = 0xb8001000, .val = 0xa2100000, },
-	{ .ptr_type = 4, .addr = 0x80000000, .val = 0x12344321, },
-	{ .ptr_type = 4, .addr = 0x80000000, .val = 0x12344321, },
-	{ .ptr_type = 4, .addr = 0xb8001000, .val = 0xb2100000, },
-	{ .ptr_type = 1, .addr = 0x80000033, .val = 0xda, },
-	{ .ptr_type = 1, .addr = 0x81000000, .val = 0xff, },
-	{ .ptr_type = 4, .addr = 0xb8001000, .val = 0x82216080, },
-	{ .ptr_type = 4, .addr = 0xb8001004, .val = 0x00295729, },
-	{ .ptr_type = 4, .addr = 0x53f80008, .val = 0x20034000, },
-};
-
-struct imx_flash_header __flash_header_section flash_header = {
-	.app_code_jump_vector	= DEST_BASE + 0x1000,
-	.app_code_barker	= APP_CODE_BARKER,
-	.app_code_csf		= 0,
-	.dcd_ptr_ptr		= FLASH_HEADER_BASE + offsetof(struct imx_flash_header, dcd),
-	.super_root_key		= 0,
-	.dcd			= FLASH_HEADER_BASE + offsetof(struct imx_flash_header, dcd_barker),
-	.app_dest		= DEST_BASE,
-	.dcd_barker		= DCD_BARKER,
-	.dcd_block_len		= sizeof(dcd_entry),
-};
-
-unsigned long __image_len_section barebox_len = DCD_BAREBOX_SIZE;
-
 static struct fec_platform_data fec_info = {
 	.xcv_type	= RMII,
 	.phy_addr	= 0,
diff --git a/arch/arm/boards/eukrea_cpuimx25/flash_header.c b/arch/arm/boards/eukrea_cpuimx25/flash_header.c
new file mode 100644
index 0000000000..344c7ffc13
--- /dev/null
+++ b/arch/arm/boards/eukrea_cpuimx25/flash_header.c
@@ -0,0 +1,61 @@
+/*
+ * (C) 2009 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de>
+ * (c) 2010 Eukrea Electromatique, Eric Bénard <eric@eukrea.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ */
+#include <common.h>
+#include <mach/imx-flash-header.h>
+#include <mach/imx-regs.h>
+#include <asm/barebox-arm-head.h>
+
+void __naked __flash_header_start go(void)
+{
+	barebox_arm_head();
+}
+
+struct imx_dcd_entry __dcd_entry_section dcd_entry[] = {
+	{ .ptr_type = 4, .addr = 0xb8001010, .val = 0x00000004, },
+	{ .ptr_type = 4, .addr = 0xb8001000, .val = 0x92100000, },
+	{ .ptr_type = 1, .addr = 0x80000400, .val = 0x12344321, },
+	{ .ptr_type = 4, .addr = 0xb8001000, .val = 0xa2100000, },
+	{ .ptr_type = 4, .addr = 0x80000000, .val = 0x12344321, },
+	{ .ptr_type = 4, .addr = 0x80000000, .val = 0x12344321, },
+	{ .ptr_type = 4, .addr = 0xb8001000, .val = 0xb2100000, },
+	{ .ptr_type = 1, .addr = 0x80000033, .val = 0xda, },
+	{ .ptr_type = 1, .addr = 0x81000000, .val = 0xff, },
+	{ .ptr_type = 4, .addr = 0xb8001000, .val = 0x82216080, },
+	{ .ptr_type = 4, .addr = 0xb8001004, .val = 0x00295729, },
+	{ .ptr_type = 4, .addr = 0x53f80008, .val = 0x20034000, },
+};
+
+struct imx_flash_header __flash_header_section flash_header = {
+	.app_code_jump_vector	= DEST_BASE + 0x1000,
+	.app_code_barker	= APP_CODE_BARKER,
+	.app_code_csf		= 0,
+	.dcd_ptr_ptr		= FLASH_HEADER_BASE + offsetof(struct imx_flash_header, dcd),
+	.super_root_key		= 0,
+	.dcd			= FLASH_HEADER_BASE + offsetof(struct imx_flash_header, dcd_barker),
+	.app_dest		= DEST_BASE,
+	.dcd_barker		= DCD_BARKER,
+	.dcd_block_len		= sizeof(dcd_entry),
+};
+
+unsigned long __image_len_section barebox_len = DCD_BAREBOX_SIZE;
diff --git a/arch/arm/boards/eukrea_cpuimx27/Makefile b/arch/arm/boards/eukrea_cpuimx27/Makefile
index 5d958fa9aa..fe6d376159 100644
--- a/arch/arm/boards/eukrea_cpuimx27/Makefile
+++ b/arch/arm/boards/eukrea_cpuimx27/Makefile
@@ -1,3 +1,4 @@
 
 obj-y += lowlevel_init.o
+pbl-y += lowlevel_init.o
 obj-y += eukrea_cpuimx27.o
diff --git a/arch/arm/boards/eukrea_cpuimx35/Makefile b/arch/arm/boards/eukrea_cpuimx35/Makefile
index 32ffe42cb1..234c1bab12 100644
--- a/arch/arm/boards/eukrea_cpuimx35/Makefile
+++ b/arch/arm/boards/eukrea_cpuimx35/Makefile
@@ -21,5 +21,7 @@
 #
 
 obj-y					+= lowlevel.o
+pbl-y					+= lowlevel.o
 obj-y					+= eukrea_cpuimx35.o
 obj-$(CONFIG_ARCH_IMX_INTERNAL_BOOT)	+= flash_header.o
+pbl-$(CONFIG_ARCH_IMX_INTERNAL_BOOT)	+= flash_header.o
diff --git a/arch/arm/boards/eukrea_cpuimx51/Makefile b/arch/arm/boards/eukrea_cpuimx51/Makefile
index 0f781c0f34..ce81ffa207 100644
--- a/arch/arm/boards/eukrea_cpuimx51/Makefile
+++ b/arch/arm/boards/eukrea_cpuimx51/Makefile
@@ -1,2 +1,3 @@
 obj-y += eukrea_cpuimx51.o
 obj-y += flash_header.o
+pbl-y += flash_header.o
diff --git a/arch/arm/boards/freescale-mx25-3-stack/Makefile b/arch/arm/boards/freescale-mx25-3-stack/Makefile
index ab853e0d6b..ff70e1b66c 100644
--- a/arch/arm/boards/freescale-mx25-3-stack/Makefile
+++ b/arch/arm/boards/freescale-mx25-3-stack/Makefile
@@ -21,4 +21,5 @@
 #
 
 obj-y += lowlevel_init.o
+pbl-y += lowlevel_init.o
 obj-y += 3stack.o
diff --git a/arch/arm/boards/freescale-mx35-3-stack/Makefile b/arch/arm/boards/freescale-mx35-3-stack/Makefile
index a8ea4a3d66..3f224f6ad2 100644
--- a/arch/arm/boards/freescale-mx35-3-stack/Makefile
+++ b/arch/arm/boards/freescale-mx35-3-stack/Makefile
@@ -1,4 +1,6 @@
 
 obj-y					+= lowlevel_init.o
+pbl-y					+= lowlevel_init.o
 obj-y					+= 3stack.o
 obj-$(CONFIG_ARCH_IMX_INTERNAL_BOOT)	+= flash_header.o
+pbl-$(CONFIG_ARCH_IMX_INTERNAL_BOOT)	+= flash_header.o
diff --git a/arch/arm/boards/freescale-mx51-pdk/Makefile b/arch/arm/boards/freescale-mx51-pdk/Makefile
index b56ce7f50d..d08bb68a5c 100644
--- a/arch/arm/boards/freescale-mx51-pdk/Makefile
+++ b/arch/arm/boards/freescale-mx51-pdk/Makefile
@@ -1,2 +1,3 @@
 obj-y += board.o
 obj-y += flash_header.o
+pbl-y += flash_header.o
diff --git a/arch/arm/boards/freescale-mx53-loco/Makefile b/arch/arm/boards/freescale-mx53-loco/Makefile
index b56ce7f50d..d08bb68a5c 100644
--- a/arch/arm/boards/freescale-mx53-loco/Makefile
+++ b/arch/arm/boards/freescale-mx53-loco/Makefile
@@ -1,2 +1,3 @@
 obj-y += board.o
 obj-y += flash_header.o
+pbl-y += flash_header.o
diff --git a/arch/arm/boards/freescale-mx53-smd/Makefile b/arch/arm/boards/freescale-mx53-smd/Makefile
index b56ce7f50d..d08bb68a5c 100644
--- a/arch/arm/boards/freescale-mx53-smd/Makefile
+++ b/arch/arm/boards/freescale-mx53-smd/Makefile
@@ -1,2 +1,3 @@
 obj-y += board.o
 obj-y += flash_header.o
+pbl-y += flash_header.o
diff --git a/arch/arm/boards/freescale-mx6-arm2/Makefile b/arch/arm/boards/freescale-mx6-arm2/Makefile
index ad2e1beb99..11199d252c 100644
--- a/arch/arm/boards/freescale-mx6-arm2/Makefile
+++ b/arch/arm/boards/freescale-mx6-arm2/Makefile
@@ -1 +1,2 @@
 obj-y += board.o flash_header.o
+pbl-y += flash_header.o
diff --git a/arch/arm/boards/freescale-mx6-sabrelite/Makefile b/arch/arm/boards/freescale-mx6-sabrelite/Makefile
index ad2e1beb99..11199d252c 100644
--- a/arch/arm/boards/freescale-mx6-sabrelite/Makefile
+++ b/arch/arm/boards/freescale-mx6-sabrelite/Makefile
@@ -1 +1,2 @@
 obj-y += board.o flash_header.o
+pbl-y += flash_header.o
diff --git a/arch/arm/boards/friendlyarm-mini2440/Makefile b/arch/arm/boards/friendlyarm-mini2440/Makefile
index 856fed092e..f56e80382a 100644
--- a/arch/arm/boards/friendlyarm-mini2440/Makefile
+++ b/arch/arm/boards/friendlyarm-mini2440/Makefile
@@ -1,2 +1,3 @@
 
 obj-y += mini2440.o lowlevel_init.o
+pbl-y += lowlevel_init.o
diff --git a/arch/arm/boards/friendlyarm-mini2440/mini2440.c b/arch/arm/boards/friendlyarm-mini2440/mini2440.c
index a032fbc053..251287ee20 100644
--- a/arch/arm/boards/friendlyarm-mini2440/mini2440.c
+++ b/arch/arm/boards/friendlyarm-mini2440/mini2440.c
@@ -324,13 +324,6 @@ static int mini2440_devices_init(void)
 
 device_initcall(mini2440_devices_init);
 
-#ifdef CONFIG_S3C_NAND_BOOT
-void __bare_init nand_boot(void)
-{
-	s3c24x0_nand_load_image(_text, 256 * 1024, 0);
-}
-#endif
-
 static int mini2440_console_init(void)
 {
 	/*
diff --git a/arch/arm/boards/guf-cupid/Makefile b/arch/arm/boards/guf-cupid/Makefile
index 3a06cf406b..69208aa498 100644
--- a/arch/arm/boards/guf-cupid/Makefile
+++ b/arch/arm/boards/guf-cupid/Makefile
@@ -21,4 +21,5 @@
 #
 
 obj-y += lowlevel.o
+pbl-y += lowlevel.o
 obj-y += board.o
diff --git a/arch/arm/boards/guf-neso/Makefile b/arch/arm/boards/guf-neso/Makefile
index 2b6eb02595..89f0aba1af 100644
--- a/arch/arm/boards/guf-neso/Makefile
+++ b/arch/arm/boards/guf-neso/Makefile
@@ -1,5 +1,4 @@
-
 obj-y += lowlevel.o
+pbl-y += lowlevel.o
 obj-y += board.o
 obj-y += pll_init.o
-
diff --git a/arch/arm/boards/imx21ads/Makefile b/arch/arm/boards/imx21ads/Makefile
index 7993fdef8a..e18f7d9c3c 100644
--- a/arch/arm/boards/imx21ads/Makefile
+++ b/arch/arm/boards/imx21ads/Makefile
@@ -1,2 +1,3 @@
 obj-y += lowlevel_init.o
+pbl-y += lowlevel_init.o
 obj-y += imx21ads.o
diff --git a/arch/arm/boards/imx27ads/Makefile b/arch/arm/boards/imx27ads/Makefile
index bdc905f0ef..88d1baf619 100644
--- a/arch/arm/boards/imx27ads/Makefile
+++ b/arch/arm/boards/imx27ads/Makefile
@@ -1,3 +1,4 @@
 
 obj-y += lowlevel_init.o
+pbl-y += lowlevel_init.o
 obj-y += imx27ads.o
diff --git a/arch/arm/boards/karo-tx25/Makefile b/arch/arm/boards/karo-tx25/Makefile
index e909a2c172..90f244b872 100644
--- a/arch/arm/boards/karo-tx25/Makefile
+++ b/arch/arm/boards/karo-tx25/Makefile
@@ -21,4 +21,5 @@
 #
 
 obj-y += lowlevel.o
+pbl-y += lowlevel.o
 obj-y += board.o
diff --git a/arch/arm/boards/karo-tx51/Makefile b/arch/arm/boards/karo-tx51/Makefile
index e8f710e1ac..6f51586e53 100644
--- a/arch/arm/boards/karo-tx51/Makefile
+++ b/arch/arm/boards/karo-tx51/Makefile
@@ -1,2 +1,3 @@
 obj-y += tx51.o
-obj-y += flash_header.o
+obj-$(CONFIG_ARCH_IMX_INTERNAL_BOOT) += flash_header.o
+pbl-$(CONFIG_ARCH_IMX_INTERNAL_BOOT) += flash_header.o
diff --git a/arch/arm/boards/netx/Makefile b/arch/arm/boards/netx/Makefile
index 8b33fec316..ad694cd272 100644
--- a/arch/arm/boards/netx/Makefile
+++ b/arch/arm/boards/netx/Makefile
@@ -1,2 +1,2 @@
 obj-y += netx.o platform.o
-
+pbl-y += platform.o
diff --git a/arch/arm/boards/panda/Makefile b/arch/arm/boards/panda/Makefile
index c55e26e066..53b9d5b88b 100644
--- a/arch/arm/boards/panda/Makefile
+++ b/arch/arm/boards/panda/Makefile
@@ -1 +1,3 @@
-obj-y += board.o lowlevel.o mux.o
+obj-y += board.o
+obj-y += lowlevel.o mux.o
+pbl-y += lowlevel.o mux.o
diff --git a/arch/arm/boards/pcm027/Makefile b/arch/arm/boards/pcm027/Makefile
index e3830e4f19..1602c0a572 100644
--- a/arch/arm/boards/pcm027/Makefile
+++ b/arch/arm/boards/pcm027/Makefile
@@ -1,2 +1,3 @@
 obj-y += board.o
 obj-y += lowlevel_init.o
+pbl-y += lowlevel_init.o
diff --git a/arch/arm/boards/pcm037/Makefile b/arch/arm/boards/pcm037/Makefile
index 7d36b77df0..dfe180c8d1 100644
--- a/arch/arm/boards/pcm037/Makefile
+++ b/arch/arm/boards/pcm037/Makefile
@@ -21,4 +21,5 @@
 #
 
 obj-y += lowlevel_init.o
+pbl-y += lowlevel_init.o
 obj-y += pcm037.o
diff --git a/arch/arm/boards/pcm038/Makefile b/arch/arm/boards/pcm038/Makefile
index 6cd3a5b6c6..2c1b74d306 100644
--- a/arch/arm/boards/pcm038/Makefile
+++ b/arch/arm/boards/pcm038/Makefile
@@ -1,2 +1,3 @@
 obj-y					+= lowlevel.o pcm038.o
+pbl-y					+= lowlevel.o
 obj-$(CONFIG_MACH_PCM970_BASEBOARD)	+= pcm970.o
diff --git a/arch/arm/boards/pcm043/Makefile b/arch/arm/boards/pcm043/Makefile
index 6753bbe81a..961ffcc3a4 100644
--- a/arch/arm/boards/pcm043/Makefile
+++ b/arch/arm/boards/pcm043/Makefile
@@ -21,4 +21,5 @@
 #
 
 obj-y += lowlevel.o
+pbl-y += lowlevel.o
 obj-y += pcm043.o
diff --git a/arch/arm/boards/pcm049/Makefile b/arch/arm/boards/pcm049/Makefile
index 1bb7212a32..df3764ca6a 100644
--- a/arch/arm/boards/pcm049/Makefile
+++ b/arch/arm/boards/pcm049/Makefile
@@ -1 +1,2 @@
 obj-y += board.o mux.o lowlevel.o
+pbl-y += lowlevel.o mux.o
diff --git a/arch/arm/boards/phycard-a-xl2/Makefile b/arch/arm/boards/phycard-a-xl2/Makefile
index 1d23d72ddc..23958c2f8f 100644
--- a/arch/arm/boards/phycard-a-xl2/Makefile
+++ b/arch/arm/boards/phycard-a-xl2/Makefile
@@ -18,3 +18,4 @@
 # Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 # MA 02111-1307 USA
 obj-y += pca-a-xl2.o mux.o lowlevel.o
+pbl-y += mux.o lowlevel.o
diff --git a/arch/arm/boards/phycard-i.MX27/Makefile b/arch/arm/boards/phycard-i.MX27/Makefile
index fd52350fbb..60253e55b9 100644
--- a/arch/arm/boards/phycard-i.MX27/Makefile
+++ b/arch/arm/boards/phycard-i.MX27/Makefile
@@ -1,3 +1,4 @@
 
 obj-y += lowlevel_init.o
+pbl-y += lowlevel_init.o
 obj-y += pca100.o
diff --git a/arch/arm/boards/scb9328/Makefile b/arch/arm/boards/scb9328/Makefile
index db6fd7ec37..69d3970223 100644
--- a/arch/arm/boards/scb9328/Makefile
+++ b/arch/arm/boards/scb9328/Makefile
@@ -1,3 +1,4 @@
 
 obj-y += lowlevel_init.o
+pbl-y += lowlevel_init.o
 obj-y += scb9328.o
diff --git a/arch/arm/boards/tqma53/Makefile b/arch/arm/boards/tqma53/Makefile
index b56ce7f50d..d08bb68a5c 100644
--- a/arch/arm/boards/tqma53/Makefile
+++ b/arch/arm/boards/tqma53/Makefile
@@ -1,2 +1,3 @@
 obj-y += board.o
 obj-y += flash_header.o
+pbl-y += flash_header.o
diff --git a/arch/arm/cpu/Makefile b/arch/arm/cpu/Makefile
index 93a34a9ff1..0ecc72eea7 100644
--- a/arch/arm/cpu/Makefile
+++ b/arch/arm/cpu/Makefile
@@ -1,7 +1,7 @@
 obj-y += cpu.o
 obj-$(CONFIG_ARM_EXCEPTIONS) += exceptions.o
 obj-$(CONFIG_ARM_EXCEPTIONS) += interrupts.o
-obj-y += start.o
+obj-y += start.o start-reset.o
 
 #
 # Any variants can be called as start-armxyz.S
@@ -10,8 +10,13 @@ obj-$(CONFIG_CMD_ARM_CPUINFO) += cpuinfo.o
 obj-$(CONFIG_CMD_ARM_MMUINFO) += mmuinfo.o
 obj-$(CONFIG_MMU) += mmu.o
 obj-$(CONFIG_CPU_32v4T) += cache-armv4.o
+pbl-$(CONFIG_CPU_32v4T) += cache-armv4.o
 obj-$(CONFIG_CPU_32v5) += cache-armv5.o
+pbl-$(CONFIG_CPU_32v5) += cache-armv5.o
 obj-$(CONFIG_CPU_32v6) += cache-armv6.o
+pbl-$(CONFIG_CPU_32v6) += cache-armv6.o
 obj-$(CONFIG_CPU_32v7) += cache-armv7.o
+pbl-$(CONFIG_CPU_32v7) += cache-armv7.o
 obj-$(CONFIG_CACHE_L2X0) += cache-l2x0.o
 
+pbl-y += start-pbl.o start-reset.o
diff --git a/arch/arm/cpu/cache-armv4.S b/arch/arm/cpu/cache-armv4.S
index 2231eee06b..22fab1455c 100644
--- a/arch/arm/cpu/cache-armv4.S
+++ b/arch/arm/cpu/cache-armv4.S
@@ -46,6 +46,7 @@ ENDPROC(__mmu_cache_off)
 
 .section .text.__mmu_cache_flush
 ENTRY(__mmu_cache_flush)
+		stmfd	sp!, {r6, r11, lr}
 		mrc	p15, 0, r6, c0, c0	@ get processor ID
 		mov	r2, #64*1024		@ default: 32K dcache size (*2)
 		mov	r11, #32		@ default: 32 byte line size
@@ -74,7 +75,7 @@ no_cache_id:
 		mcr	p15, 0, r1, c7, c5, 0	@ flush I cache
 		mcr	p15, 0, r1, c7, c6, 0	@ flush D cache
 		mcr	p15, 0, r1, c7, c10, 4	@ drain WB
-		mov	pc, lr
+		ldmfd	sp!, {r6, r11, pc}
 ENDPROC(__mmu_cache_flush)
 
 /*
diff --git a/arch/arm/cpu/cache-armv7.S b/arch/arm/cpu/cache-armv7.S
index 9bd74254f3..2eba959672 100644
--- a/arch/arm/cpu/cache-armv7.S
+++ b/arch/arm/cpu/cache-armv7.S
@@ -3,6 +3,7 @@
 
 .section .text.__mmu_cache_on
 ENTRY(__mmu_cache_on)
+		stmfd	sp!, {r11, lr}
 		mov	r12, lr
 #ifdef CONFIG_MMU
 		mrc	p15, 0, r11, c0, c1, 4	@ read ID_MMFR0
@@ -28,7 +29,7 @@ ENTRY(__mmu_cache_on)
 		mrc	p15, 0, r0, c1, c0, 0	@ and read it back
 		mov	r0, #0
 		mcr	p15, 0, r0, c7, c5, 4	@ ISB
-		mov	pc, r12
+		ldmfd	sp!, {r11, pc}
 ENDPROC(__mmu_cache_on)
 
 .section .text.__mmu_cache_off
@@ -54,6 +55,7 @@ ENDPROC(__mmu_cache_off)
 
 .section .text.__mmu_cache_flush
 ENTRY(__mmu_cache_flush)
+		stmfd	sp!, {r10, lr}
 		mrc	p15, 0, r10, c0, c1, 5	@ read ID_MMFR1
 		tst	r10, #0xf << 16		@ hierarchical cache (ARMv7)
 		mov	r10, #0
@@ -111,7 +113,7 @@ iflush:
 		mcr	p15, 0, r10, c7, c5, 0	@ invalidate I+BTB
 		mcr	p15, 0, r10, c7, c10, 4	@ DSB
 		mcr	p15, 0, r10, c7, c5, 4	@ ISB
-		mov	pc, lr
+		ldmfd	sp!, {r10, pc}
 ENDPROC(__mmu_cache_flush)
 
 /*
diff --git a/arch/arm/cpu/mmu.c b/arch/arm/cpu/mmu.c
index 607f3572db..dad8092e9f 100644
--- a/arch/arm/cpu/mmu.c
+++ b/arch/arm/cpu/mmu.c
@@ -8,6 +8,8 @@
 #include <asm/system.h>
 #include <memory.h>
 
+#include "mmu.h"
+
 static unsigned long *ttb;
 
 static void create_sections(unsigned long virt, unsigned long phys, int size_m,
@@ -21,12 +23,7 @@ static void create_sections(unsigned long virt, unsigned long phys, int size_m,
 	for (i = size_m; i > 0; i--, virt++, phys++)
 		ttb[virt] = (phys << 20) | flags;
 
-	asm volatile (
-		"bl __mmu_cache_flush;"
-		:
-		:
-		: "r0", "r1", "r2", "r3", "r6", "r10", "r12", "lr", "cc", "memory"
-	);
+	__mmu_cache_flush();
 }
 
 /*
@@ -255,12 +252,7 @@ static int mmu_init(void)
 		create_sections(bank->start, bank->start, bank->size >> 20,
 				PMD_SECT_DEF_CACHED);
 
-	asm volatile (
-		"bl __mmu_cache_on;"
-		:
-		:
-		: "r0", "r1", "r2", "r3", "r6", "r10", "r12", "lr", "cc", "memory"
-        );
+	__mmu_cache_on();
 
 	/*
 	 * Now that we have the MMU and caches on remap sdram again using
@@ -284,13 +276,8 @@ void mmu_disable(void)
 	if (outer_cache.disable)
 		outer_cache.disable();
 
-	asm volatile (
-		"bl __mmu_cache_flush;"
-		"bl __mmu_cache_off;"
-		:
-		:
-		: "r0", "r1", "r2", "r3", "r6", "r10", "r12", "lr", "cc", "memory"
-	);
+	__mmu_cache_flush();
+	__mmu_cache_off();
 }
 
 #define PAGE_ALIGN(s) ((s) + PAGE_SIZE - 1) & ~(PAGE_SIZE - 1);
diff --git a/arch/arm/cpu/mmu.h b/arch/arm/cpu/mmu.h
new file mode 100644
index 0000000000..618968bc82
--- /dev/null
+++ b/arch/arm/cpu/mmu.h
@@ -0,0 +1,8 @@
+#ifndef __ARM_MMU_H
+#define __ARM_MMU_H
+
+void __mmu_cache_on(void);
+void __mmu_cache_off(void);
+void __mmu_cache_flush(void);
+
+#endif /* __ARM_MMU_H */
diff --git a/arch/arm/cpu/start-pbl.c b/arch/arm/cpu/start-pbl.c
new file mode 100644
index 0000000000..932a3da9e2
--- /dev/null
+++ b/arch/arm/cpu/start-pbl.c
@@ -0,0 +1,213 @@
+/*
+ * start-pbl.c
+ *
+ * Copyright (c) 2010-2012 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
+ * Copyright (c) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <common.h>
+#include <init.h>
+#include <sizes.h>
+#include <asm/barebox-arm.h>
+#include <asm/barebox-arm-head.h>
+#include <asm-generic/memory_layout.h>
+#include <asm/sections.h>
+#include <asm/pgtable.h>
+#include <asm/cache.h>
+
+#include "mmu.h"
+
+unsigned long free_mem_ptr;
+unsigned long free_mem_end_ptr;
+
+void __naked __section(.text_head_entry) pbl_start(void)
+{
+	barebox_arm_head();
+}
+
+extern void *input_data;
+extern void *input_data_end;
+
+#define STATIC static
+
+#ifdef CONFIG_IMAGE_COMPRESSION_LZO
+#include "../../../lib/decompress_unlzo.c"
+#endif
+
+#ifdef CONFIG_IMAGE_COMPRESSION_GZIP
+#include "../../../../lib/decompress_inflate.c"
+#endif
+
+static unsigned long *ttb;
+
+static void create_sections(unsigned long addr, int size, unsigned int flags)
+{
+	int i;
+
+	addr >>= 20;
+	size >>= 20;
+
+	for (i = size; i > 0; i--, addr++)
+		ttb[addr] = (addr << 20) | flags;
+}
+
+static void map_cachable(unsigned long start, unsigned long size)
+{
+	start &= ~(SZ_1M - 1);
+	size = (size + (SZ_1M - 1)) & ~(SZ_1M - 1);
+
+	create_sections(start, size, PMD_SECT_AP_WRITE |
+			PMD_SECT_AP_READ | PMD_TYPE_SECT | PMD_SECT_WB);
+}
+
+static void mmu_enable(unsigned long compressed_start, unsigned int len)
+{
+	int i;
+
+	/* Set the ttb register */
+	asm volatile ("mcr  p15,0,%0,c2,c0,0" : : "r"(ttb) /*:*/);
+
+	/* Set the Domain Access Control Register */
+	i = 0x3;
+	asm volatile ("mcr  p15,0,%0,c3,c0,0" : : "r"(i) /*:*/);
+
+	create_sections(0, 4096, PMD_SECT_AP_WRITE |
+			PMD_SECT_AP_READ | PMD_TYPE_SECT);
+	/*
+	 * Setup all regions we need cacheable, namely:
+	 * - the stack
+	 * - the decompressor code
+	 * - the compressed image
+	 * - the uncompressed image
+	 * - the early malloc space
+	 */
+	map_cachable(STACK_BASE, STACK_SIZE);
+	map_cachable((unsigned long)&_text,
+			(unsigned long)&_end - (unsigned long)&_text);
+	map_cachable((unsigned long)compressed_start, len);
+	map_cachable(TEXT_BASE, len * 4);
+	map_cachable(free_mem_ptr, free_mem_end_ptr - free_mem_ptr);
+
+	__mmu_cache_on();
+}
+
+static void mmu_disable(void)
+{
+	__mmu_cache_flush();
+	__mmu_cache_off();
+}
+
+static void barebox_uncompress(void *compressed_start, unsigned int len)
+{
+	void (*barebox)(void);
+	int use_mmu = IS_ENABLED(CONFIG_MMU);
+
+	/* set 128 KiB at the end of the MALLOC_BASE for early malloc */
+	free_mem_ptr = MALLOC_BASE + MALLOC_SIZE - SZ_128K;
+	free_mem_end_ptr = free_mem_ptr + SZ_128K;
+
+	ttb = (void *)((free_mem_ptr - 0x4000) & ~0x3fff);
+
+	if (use_mmu)
+		mmu_enable((unsigned long)compressed_start, len);
+
+	if (IS_ENABLED(CONFIG_THUMB2_BAREBOX))
+		barebox = (void *)(TEXT_BASE + 1);
+	else
+		barebox = (void *)TEXT_BASE;
+
+	decompress((void *)compressed_start,
+			len,
+			NULL, NULL,
+			(void *)TEXT_BASE, NULL, NULL);
+
+	if (use_mmu)
+		mmu_disable();
+
+	flush_icache();
+
+	barebox();
+}
+
+/*
+ * Board code can jump here by either returning from board_init_lowlevel
+ * or by calling this function directly.
+ */
+void __naked __section(.text_ll_return) board_init_lowlevel_return(void)
+{
+	uint32_t r, addr, offset;
+	uint32_t pg_start, pg_end, pg_len;
+
+	/*
+	 * Get runtime address of this function. Do not
+	 * put any code above this.
+	 */
+	__asm__ __volatile__("1: adr %0, 1b":"=r"(addr));
+
+	/* Setup the stack */
+	r = STACK_BASE + STACK_SIZE - 16;
+	__asm__ __volatile__("mov sp, %0" : : "r"(r));
+
+	/* Get offset between linked address and runtime address */
+	offset = (uint32_t)__ll_return - addr;
+
+	pg_start = (uint32_t)&input_data - offset;
+	pg_end = (uint32_t)&input_data_end - offset;
+	pg_len = pg_end - pg_start;
+
+	if (IS_ENABLED(CONFIG_PBL_FORCE_PIGGYDATA_COPY))
+		goto copy_piggy_link;
+
+	/*
+	 * Check if the piggydata binary will be overwritten
+	 * by the uncompressed binary or by the pbl relocation
+	 */
+	if (!offset ||
+	    !((pg_start >= TEXT_BASE && pg_start < TEXT_BASE + pg_len * 4) ||
+	      ((uint32_t)_text >= pg_start && (uint32_t)_text <= pg_end)))
+		goto copy_link;
+
+copy_piggy_link:
+	/*
+	 * copy piggydata binary to its link address
+	 */
+	memcpy(&input_data, (void *)pg_start, pg_len);
+	pg_start = (uint32_t)&input_data;
+
+copy_link:
+	/* relocate to link address if necessary */
+	if (offset)
+		memcpy((void *)_text, (void *)(_text - offset),
+				__bss_start - _text);
+
+	/* clear bss */
+	memset(__bss_start, 0, __bss_stop - __bss_start);
+
+	flush_icache();
+
+	r = (unsigned int)&barebox_uncompress;
+	/* call barebox_uncompress with its absolute address */
+	__asm__ __volatile__(
+		"mov r0, %1\n"
+		"mov r1, %2\n"
+		"mov pc, %0\n"
+		:
+		: "r"(r), "r"(pg_start), "r"(pg_len)
+		: "r0", "r1");
+}
diff --git a/arch/arm/cpu/start-reset.c b/arch/arm/cpu/start-reset.c
new file mode 100644
index 0000000000..e0df676274
--- /dev/null
+++ b/arch/arm/cpu/start-reset.c
@@ -0,0 +1,67 @@
+/*
+ * start-reset.c
+ *
+ * Copyright (c) 2010 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <common.h>
+#include <init.h>
+#include <asm/system.h>
+#include <asm/barebox-arm.h>
+#include <asm/sections.h>
+
+/*
+ * The actual reset vector. This code is position independent and usually
+ * does not run at the address it's linked at.
+ */
+void __naked __bare_init reset(void)
+{
+	uint32_t r;
+
+	/* set the cpu to SVC32 mode */
+	__asm__ __volatile__("mrs %0, cpsr":"=r"(r));
+	r &= ~0x1f;
+	r |= 0xd3;
+	__asm__ __volatile__("msr cpsr, %0" : : "r"(r));
+
+#ifdef CONFIG_ARCH_HAS_LOWLEVEL_INIT
+	arch_init_lowlevel();
+#endif
+
+	/* disable MMU stuff and caches */
+	r = get_cr();
+	r &= ~(CR_M | CR_C | CR_B | CR_S | CR_R | CR_V);
+	r |= CR_I;
+
+#if __LINUX_ARM_ARCH__ >= 6
+	r |= CR_U;
+#else
+	r |= CR_A;
+#endif
+
+#ifdef __ARMEB__
+	r |= CR_B;
+#endif
+	set_cr(r);
+
+#ifdef CONFIG_MACH_DO_LOWLEVEL_INIT
+	board_init_lowlevel();
+#endif
+	board_init_lowlevel_return();
+}
diff --git a/arch/arm/cpu/start.c b/arch/arm/cpu/start.c
index 112403e33e..07e7dfe822 100644
--- a/arch/arm/cpu/start.c
+++ b/arch/arm/cpu/start.c
@@ -24,53 +24,32 @@
 #include <init.h>
 #include <asm/barebox-arm.h>
 #include <asm/barebox-arm-head.h>
-#include <asm/system.h>
 #include <asm-generic/memory_layout.h>
 #include <asm/sections.h>
+#include <asm/cache.h>
 
-void __naked __section(.text_entry) start(void)
-{
-	barebox_arm_head();
-}
-
+#ifdef CONFIG_PBL_IMAGE
 /*
- * The actual reset vector. This code is position independent and usually
- * does not run at the address it's linked at.
+ * First function in the pbl image. We get here from
+ * the pbl.
  */
-void __naked __bare_init reset(void)
+void __naked __section(.text_entry) start(void)
 {
-	uint32_t r;
+	u32 r;
 
-	/* set the cpu to SVC32 mode */
-	__asm__ __volatile__("mrs %0, cpsr":"=r"(r));
-	r &= ~0x1f;
-	r |= 0xd3;
-	__asm__ __volatile__("msr cpsr, %0" : : "r"(r));
-
-#ifdef CONFIG_ARCH_HAS_LOWLEVEL_INIT
-	arch_init_lowlevel();
-#endif
-
-	/* disable MMU stuff and caches */
-	r = get_cr();
-	r &= ~(CR_M | CR_C | CR_B | CR_S | CR_R | CR_V);
-	r |= CR_I;
+	/* Setup the stack */
+	r = STACK_BASE + STACK_SIZE - 16;
+	__asm__ __volatile__("mov sp, %0" : : "r"(r));
+	/* clear bss */
+	memset(__bss_start, 0, __bss_stop - __bss_start);
 
-#if __LINUX_ARM_ARCH__ >= 6
-	r |= CR_U;
+	start_barebox();
+}
 #else
-	r |= CR_A;
-#endif
-
-#ifdef __ARMEB__
-	r |= CR_B;
-#endif
-	set_cr(r);
 
-#ifdef CONFIG_MACH_DO_LOWLEVEL_INIT
-	board_init_lowlevel();
-#endif
-	board_init_lowlevel_return();
+void __naked __section(.text_entry) start(void)
+{
+	barebox_arm_head();
 }
 
 /*
@@ -102,11 +81,10 @@ void __naked __section(.text_ll_return) board_init_lowlevel_return(void)
 	/* clear bss */
 	memset(__bss_start, 0, __bss_stop - __bss_start);
 
-	/* flush I-cache before jumping to the copied binary */
-	__asm__ __volatile__("mcr p15, 0, %0, c7, c5, 0" : : "r" (0));
+	flush_icache();
 
 	/* call start_barebox with its absolute address */
 	r = (unsigned int)&start_barebox;
 	__asm__ __volatile__("mov pc, %0" : : "r"(r));
 }
-
+#endif
diff --git a/arch/arm/include/asm/cache.h b/arch/arm/include/asm/cache.h
new file mode 100644
index 0000000000..ff797493f7
--- /dev/null
+++ b/arch/arm/include/asm/cache.h
@@ -0,0 +1,9 @@
+#ifndef __ASM_CACHE_H
+#define __ASM_CACHE_H
+
+static inline void flush_icache(void)
+{
+	asm volatile("mcr p15, 0, %0, c7, c5, 0" : : "r" (0));
+}
+
+#endif
diff --git a/arch/arm/lib/Makefile b/arch/arm/lib/Makefile
index 1eaf474911..9d0ff7a856 100644
--- a/arch/arm/lib/Makefile
+++ b/arch/arm/lib/Makefile
@@ -21,3 +21,7 @@ obj-$(CONFIG_ARM_OPTIMZED_STRING_FUNCTIONS)	+= memset.o
 obj-$(CONFIG_ARM_UNWIND) += unwind.o
 obj-$(CONFIG_MODULES) += module.o
 extra-y += barebox.lds
+
+pbl-y	+= lib1funcs.o
+pbl-y	+= ashldi3.o
+pbl-y	+= div0.o
diff --git a/arch/arm/lib/barebox.lds.S b/arch/arm/lib/barebox.lds.S
index e0bae70f4f..a69013f7f5 100644
--- a/arch/arm/lib/barebox.lds.S
+++ b/arch/arm/lib/barebox.lds.S
@@ -31,8 +31,9 @@ SECTIONS
 {
 	. = TEXT_BASE;
 
+#ifndef CONFIG_PBL_IMAGE
 	PRE_IMAGE
-
+#endif
 	. = ALIGN(4);
 	.text      :
 	{
diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile
index 491c45446c..3ade725778 100644
--- a/arch/arm/mach-at91/Makefile
+++ b/arch/arm/mach-at91/Makefile
@@ -4,6 +4,8 @@ lowlevel_init-y = at91sam926x_lowlevel_init.o
 lowlevel_init-$(CONFIG_ARCH_AT91RM9200) = at91rm9200_lowlevel_init.o
 obj-$(CONFIG_MACH_DO_LOWLEVEL_INIT) += $(lowlevel_init-y)
 
+pbl-$(CONFIG_MACH_DO_LOWLEVEL_INIT) += $(lowlevel_init-y)
+
 obj-$(CONFIG_AT91SAM9_RESET) += at91sam9_reset.o
 obj-$(CONFIG_AT91SAM9G45_RESET) += at91sam9g45_reset.o
 
diff --git a/arch/arm/mach-ep93xx/Makefile b/arch/arm/mach-ep93xx/Makefile
index d401164e4a..5615394791 100644
--- a/arch/arm/mach-ep93xx/Makefile
+++ b/arch/arm/mach-ep93xx/Makefile
@@ -1,3 +1,4 @@
 obj-y += clocksource.o gpio.o led.o header.o
 
 obj-$(CONFIG_MACH_DO_LOWLEVEL_INIT) += lowlevel_init.o
+pbl-$(CONFIG_MACH_DO_LOWLEVEL_INIT) += lowlevel_init.o led.o
diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile
index 7b872f6da3..2b595bce43 100644
--- a/arch/arm/mach-imx/Makefile
+++ b/arch/arm/mach-imx/Makefile
@@ -13,6 +13,7 @@ obj-$(CONFIG_IMX_CLKO)	+= clko.o
 obj-$(CONFIG_IMX_IIM)	+= iim.o
 obj-$(CONFIG_NAND_IMX) += nand.o
 obj-$(CONFIG_ARCH_IMX_EXTERNAL_BOOT_NAND) += external-nand-boot.o
+pbl-$(CONFIG_ARCH_IMX_EXTERNAL_BOOT_NAND) += external-nand-boot.o
 obj-y += speed.o
 obj-y += devices.o
 obj-y += boot.o
diff --git a/arch/arm/mach-omap/Makefile b/arch/arm/mach-omap/Makefile
index 87078ae6d5..f087f4b765 100644
--- a/arch/arm/mach-omap/Makefile
+++ b/arch/arm/mach-omap/Makefile
@@ -20,9 +20,12 @@
 # MA 02111-1307 USA
 #
 obj-$(CONFIG_ARCH_OMAP) += syslib.o
+pbl-$(CONFIG_ARCH_OMAP) += syslib.o
 obj-$(CONFIG_OMAP_CLOCK_SOURCE_S32K) += s32k_clksource.o
 obj-$(CONFIG_ARCH_OMAP3) += omap3_core.o omap3_generic.o auxcr.o
+pbl-$(CONFIG_ARCH_OMAP3) += omap3_core.o omap3_generic.o auxcr.o
 obj-$(CONFIG_ARCH_OMAP4) += omap4_generic.o omap4_clock.o
+pbl-$(CONFIG_ARCH_OMAP4) += omap4_generic.o omap4_clock.o
 obj-$(CONFIG_OMAP3_CLOCK_CONFIG) += omap3_clock.o
 obj-$(CONFIG_OMAP_GPMC) += gpmc.o devices-gpmc-nand.o
 obj-$(CONFIG_SHELL_NONE) += xload.o
diff --git a/arch/arm/mach-samsung/Makefile b/arch/arm/mach-samsung/Makefile
index 39aa26957b..0ffe3705ef 100644
--- a/arch/arm/mach-samsung/Makefile
+++ b/arch/arm/mach-samsung/Makefile
@@ -2,6 +2,8 @@ obj-y += s3c-timer.o generic.o
 obj-$(CONFIG_RESET_SOURCE) += reset_source.o
 obj-lowlevel-$(CONFIG_ARCH_S3C24xx) += lowlevel-s3c24x0.o
 obj-lowlevel-$(CONFIG_ARCH_S5PCxx) += lowlevel-s5pcxx.o
+pbl-$(CONFIG_ARCH_S3C24xx) += lowlevel-s3c24x0.o
+pbl-$(CONFIG_ARCH_S5PCxx) += lowlevel-s5pcxx.o
 obj-$(CONFIG_ARCH_S3C24xx) += gpio-s3c24x0.o clocks-s3c24xx.o mem-s3c24x0.o
 obj-$(CONFIG_ARCH_S3C64xx) += gpio-s3c64xx.o clocks-s3c64xx.o mem-s3c64xx.o
 obj-$(CONFIG_ARCH_S5PCxx) += gpio-s5pcxx.o clocks-s5pcxx.o mem-s5pcxx.o
diff --git a/arch/arm/pbl/.gitignore b/arch/arm/pbl/.gitignore
new file mode 100644
index 0000000000..3384d8b3c1
--- /dev/null
+++ b/arch/arm/pbl/.gitignore
@@ -0,0 +1,5 @@
+piggy.gzip
+piggy.lzo
+zbarebox
+zbarebox.bin
+zbarebox.lds
diff --git a/arch/arm/pbl/Makefile b/arch/arm/pbl/Makefile
new file mode 100644
index 0000000000..fe68e72eed
--- /dev/null
+++ b/arch/arm/pbl/Makefile
@@ -0,0 +1,40 @@
+
+suffix_$(CONFIG_IMAGE_COMPRESSION_GZIP) = gzip
+suffix_$(CONFIG_IMAGE_COMPRESSION_LZO)	= lzo
+
+OBJCOPYFLAGS_zbarebox.bin = -O binary
+piggy_o := piggy.$(suffix_y).o
+
+targets := zbarebox.lds zbarebox zbarebox.bin zbarebox.S \
+	   $(piggy_o) piggy.$(suffix_y)
+
+# Make sure files are removed during clean
+extra-y       += piggy.gzip piggy.lzo piggy.lzma piggy.xzkern
+
+$(obj)/zbarebox.bin:	$(obj)/zbarebox FORCE
+	$(call if_changed,objcopy)
+	$(call cmd,check_file_size,$(CONFIG_BAREBOX_MAX_IMAGE_SIZE))
+	@echo '  Barebox: $@ is ready'
+
+$(obj)/zbarebox.S: $(obj)/zbarebox FORCE
+	$(call if_changed,disasm)
+
+PBL_CPPFLAGS		+= -fdata-sections -ffunction-sections
+LDFLAGS_zbarebox	:= -Map $(obj)/zbarebox.map
+LDFLAGS_zbarebox	+= -static --gc-sections
+zbarebox-common := $(barebox-pbl-common) $(obj)/$(piggy_o)
+zbarebox-lds := $(obj)/zbarebox.lds
+
+quiet_cmd_zbarebox__ ?= LD      $@
+      cmd_zbarebox__ ?= $(LD) $(LDFLAGS) $(LDFLAGS_zbarebox) -o $@ \
+      -T $(zbarebox-lds)                                           \
+      --start-group $(zbarebox-common) --end-group                 \
+      $(filter-out $(zbarebox-lds) $(zbarebox-common) FORCE ,$^)
+
+$(obj)/zbarebox: $(zbarebox-lds) $(zbarebox-common) FORCE
+	$(call if_changed,zbarebox__)
+
+$(obj)/piggy.$(suffix_y): $(obj)/../../../barebox.bin FORCE
+	$(call if_changed,$(suffix_y))
+
+$(obj)/$(piggy_o): $(obj)/piggy.$(suffix_y) FORCE
diff --git a/arch/arm/pbl/piggy.gzip.S b/arch/arm/pbl/piggy.gzip.S
new file mode 100644
index 0000000000..4a623c0c57
--- /dev/null
+++ b/arch/arm/pbl/piggy.gzip.S
@@ -0,0 +1,6 @@
+	.section .piggydata,#alloc
+	.globl  input_data
+input_data:
+	.incbin "arch/arm/pbl/piggy.gzip"
+	.globl  input_data_end
+input_data_end:
diff --git a/arch/arm/pbl/piggy.lzo.S b/arch/arm/pbl/piggy.lzo.S
new file mode 100644
index 0000000000..e0484c7d5c
--- /dev/null
+++ b/arch/arm/pbl/piggy.lzo.S
@@ -0,0 +1,6 @@
+	.section .piggydata,#alloc
+	.globl	input_data
+input_data:
+	.incbin	"arch/arm/pbl/piggy.lzo"
+	.globl	input_data_end
+input_data_end:
diff --git a/arch/arm/pbl/zbarebox.lds.S b/arch/arm/pbl/zbarebox.lds.S
new file mode 100644
index 0000000000..2dca278318
--- /dev/null
+++ b/arch/arm/pbl/zbarebox.lds.S
@@ -0,0 +1,78 @@
+/*
+ * (C) Copyright 2012 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ */
+
+#include <asm-generic/barebox.lds.h>
+#include <asm-generic/memory_layout.h>
+
+OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+ENTRY(pbl_start)
+SECTIONS
+{
+	. = HEAD_TEXT_BASE;
+
+	PRE_IMAGE
+
+	. = ALIGN(4);
+	.text      :
+	{
+		_stext = .;
+		_text = .;
+		*(.text_head_entry*)
+		__ll_return = .;
+		*(.text_ll_return*)
+		__bare_init_start = .;
+		*(.text_bare_init*)
+		__bare_init_end = .;
+		*(.text*)
+	}
+
+	/* Discard unwind if enable in barebox */
+	/DISCARD/ : { *(.ARM.ex*) }
+
+	BAREBOX_BARE_INIT_SIZE
+
+	. = ALIGN(4);
+	.rodata : { *(.rodata*) }
+
+	_etext = .;			/* End of text and rodata section */
+
+	. = ALIGN(4);
+	.data : { *(.data*) }
+
+	. = ALIGN(4);
+	__bss_start = .;
+	.bss : { *(.bss*) }
+	__bss_stop = .;
+	_end = .;
+
+	. = ALIGN(4);
+	__piggydata_start = .;
+	.piggydata : {
+		*(.piggydata)
+	}
+	__piggydata_end = .;
+
+	_barebox_image_size = __piggydata_end - HEAD_TEXT_BASE;
+	_barebox_pbl_size = __bss_start - HEAD_TEXT_BASE;
+}
diff --git a/arch/blackfin/Makefile b/arch/blackfin/Makefile
index a0b87f77d7..381c6a9f39 100644
--- a/arch/blackfin/Makefile
+++ b/arch/blackfin/Makefile
@@ -13,7 +13,7 @@ CFLAGS += -D__blackfin__
 KALLSYMS         += --symbol-prefix=_
 
 ifndef CONFIG_BFIN_BOOT_BYPASS
-all: barebox.ldr
+KBUILD_IMAGE := barebox.ldr
 endif
 
 archprepare: maketools
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index 6b7dae9faf..5e40de760f 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -82,8 +82,6 @@ incdir-y := $(machine-y)
 endif
 INCDIR   := arch-$(incdir-y)
 
-all: $(KBUILD_IMAGE)
-
 ifneq ($(board-y),)
 BOARD := arch/mips/boards/$(board-y)/
 else
diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index db4180b32b..518b37fe2f 100644
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -14,11 +14,6 @@ CPPFLAGS += -fdata-sections -ffunction-sections
 LDFLAGS_uboot += -static --gc-sections
 endif
 
-all: $(KBUILD_IMAGE)
-
-
-
-
 machdirs := $(patsubst %,arch/x86/mach-%/,$(machine-y))
 
 ifeq ($(KBUILD_SRC),)