diff --git a/Makefile b/Makefile index 8c1becbc0..9afe3058f 100644 --- a/Makefile +++ b/Makefile @@ -481,7 +481,16 @@ export KBUILD_BINARY ?= barebox.bin barebox-flash-image: $(KBUILD_IMAGE) FORCE $(call if_changed,ln) +images: barebox.bin FORCE + $(Q)$(MAKE) $(build)=images $@ +images/%.s: barebox.bin FORCE + $(Q)$(MAKE) $(build)=images $@ + +ifdef CONFIG_PBL_MULTI_IMAGES +all: $(KBUILD_DTBS) barebox.bin images +else all: barebox-flash-image $(KBUILD_DTBS) +endif common-$(CONFIG_PBL_IMAGE) += pbl/ @@ -987,6 +996,7 @@ clean-dirs := $(addprefix _clean_,$(srctree) $(barebox-alldirs)) PHONY += $(clean-dirs) clean archclean $(clean-dirs): + $(Q)$(MAKE) $(clean)=images $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@) clean: archclean $(clean-dirs) diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 32bdd65a2..658b1a5cc 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -328,7 +328,7 @@ endif common-y += $(BOARD) $(MACH) common-y += arch/arm/lib/ arch/arm/cpu/ -common-$(CONFIG_BUILTIN_DTB) += arch/arm/dts/ +common-$(CONFIG_OFTREE) += arch/arm/dts/ lds-y := arch/arm/lib/barebox.lds diff --git a/arch/arm/boards/pcm038/lowlevel.c b/arch/arm/boards/pcm038/lowlevel.c index 0ea293981..a3b2d1315 100644 --- a/arch/arm/boards/pcm038/lowlevel.c +++ b/arch/arm/boards/pcm038/lowlevel.c @@ -33,11 +33,13 @@ #define ESDCTL0_VAL (ESDCTL0_SDE | ESDCTL0_ROW13 | ESDCTL0_COL10) -void __bare_init __naked barebox_arm_reset_vector(void) +ENTRY_FUNCTION(start_imx27_pcm038)(void) { uint32_t r; int i; + __barebox_arm_head(); + arm_cpu_lowlevel_init(); /* ahb lite ip interface */ diff --git a/arch/arm/cpu/Makefile b/arch/arm/cpu/Makefile index c442b3579..fba8ff278 100644 --- a/arch/arm/cpu/Makefile +++ b/arch/arm/cpu/Makefile @@ -8,7 +8,7 @@ obj-y += start.o setupc.o # obj-$(CONFIG_CMD_ARM_CPUINFO) += cpuinfo.o obj-$(CONFIG_CMD_ARM_MMUINFO) += mmuinfo.o -obj-$(CONFIG_BUILTIN_DTB) += dtb.o +obj-$(CONFIG_OFDEVICE) += dtb.o obj-$(CONFIG_MMU) += mmu.o cache.o mmu-early.o pbl-$(CONFIG_MMU) += cache.o mmu-early.o obj-$(CONFIG_CPU_32v4T) += cache-armv4.o @@ -21,7 +21,9 @@ obj-$(CONFIG_CPU_32v7) += cache-armv7.o pbl-$(CONFIG_CPU_32v7) += cache-armv7.o obj-$(CONFIG_CACHE_L2X0) += cache-l2x0.o -pbl-y += start-pbl.o setupc.o +pbl-y += setupc.o +pbl-$(CONFIG_PBL_SINGLE_IMAGE) += start-pbl.o +pbl-$(CONFIG_PBL_MULTI_IMAGES) += start-images.o uncompress.o obj-y += common.o pbl-y += common.o diff --git a/arch/arm/cpu/dtb.c b/arch/arm/cpu/dtb.c index 10b73bd51..a5881dd72 100644 --- a/arch/arm/cpu/dtb.c +++ b/arch/arm/cpu/dtb.c @@ -17,20 +17,38 @@ #include #include #include +#include extern char __dtb_start[]; static int of_arm_init(void) { struct device_node *root; + void *fdt; + /* See if we already have a dtb */ root = of_get_root_node(); if (root) return 0; - root = of_unflatten_dtb(NULL, __dtb_start); - if (root) { + /* See if we are provided a dtb in boarddata */ + fdt = barebox_arm_boot_dtb(); + if (fdt) + pr_debug("using boarddata provided DTB\n"); + + /* Next see if we have a builtin dtb */ + if (!fdt && IS_ENABLED(CONFIG_BUILTIN_DTB)) { + fdt = __dtb_start; pr_debug("using internal DTB\n"); + } + + if (!fdt) { + pr_debug("No DTB found\n"); + return 0; + } + + root = of_unflatten_dtb(NULL, fdt); + if (root) { of_set_root_node(root); if (IS_ENABLED(CONFIG_OFDEVICE)) of_probe(); diff --git a/arch/arm/cpu/start-images.c b/arch/arm/cpu/start-images.c new file mode 100644 index 000000000..d48d24529 --- /dev/null +++ b/arch/arm/cpu/start-images.c @@ -0,0 +1,49 @@ +/* + * start-pbl.c + * + * Copyright (c) 2010-2012 Sascha Hauer , Pengutronix + * Copyright (c) 2012 Jean-Christophe PLAGNIOL-VILLARD + * + * 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 +#include +#include +#include +#include +#include +#include +#include +#include +#include + +void __naked __noreturn barebox_arm_entry(uint32_t membase, uint32_t memsize, + uint32_t boarddata) +{ + unsigned long barebox_base; + void __noreturn (*barebox)(uint32_t, uint32_t, uint32_t); + + barebox_base = ld_var(__image_end) - get_runtime_offset() + 4; + + if (IS_ENABLED(CONFIG_THUMB2_BAREBOX)) + barebox = (void *)(barebox_base + 1); + else + barebox = (void *)barebox_base; + + barebox(membase, memsize, boarddata); +} diff --git a/arch/arm/cpu/start.c b/arch/arm/cpu/start.c index 5a3c629c7..1f397ec78 100644 --- a/arch/arm/cpu/start.c +++ b/arch/arm/cpu/start.c @@ -24,6 +24,7 @@ #include #include #include +#include #include #include @@ -40,6 +41,13 @@ unsigned long barebox_arm_boarddata(void) return barebox_boarddata; } +static void *barebox_boot_dtb; + +void *barebox_arm_boot_dtb(void) +{ + return barebox_boot_dtb; +} + static noinline __noreturn void __start(uint32_t membase, uint32_t memsize, uint32_t boarddata) { @@ -66,6 +74,18 @@ static noinline __noreturn void __start(uint32_t membase, uint32_t memsize, mmu_early_enable(membase, memsize, endmem); } + /* + * If boarddata is a pointer inside valid memory and contains a + * FDT magic then use it as later to probe devices + */ + if (boarddata > membase && boarddata < membase + memsize && + get_unaligned_be32((void *)boarddata) == FDT_MAGIC) { + uint32_t totalsize = get_unaligned_be32((void *)boarddata + 4); + endmem -= ALIGN(totalsize, 64); + barebox_boot_dtb = (void *)endmem; + memcpy(barebox_boot_dtb, (void *)boarddata, totalsize); + } + if ((unsigned long)_text > membase + memsize || (unsigned long)_text < membase) /* diff --git a/arch/arm/cpu/uncompress.c b/arch/arm/cpu/uncompress.c new file mode 100644 index 000000000..b401f8efe --- /dev/null +++ b/arch/arm/cpu/uncompress.c @@ -0,0 +1,108 @@ +/* + * uncompress.c - uncompressor code for self extracing pbl image + * + * Copyright (c) 2010-2013 Sascha Hauer , Pengutronix + * Copyright (c) 2012 Jean-Christophe PLAGNIOL-VILLARD + * + * 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 +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#include "mmu-early.h" + +unsigned long free_mem_ptr; +unsigned long free_mem_end_ptr; + +static int __attribute__((__used__)) + __attribute__((__section__(".image_end"))) + __image_end_dummy = 0xdeadbeef; + +static void noinline uncompress(uint32_t membase, + uint32_t memsize, uint32_t boarddata) +{ + uint32_t offset; + uint32_t pg_len; + void __noreturn (*barebox)(uint32_t, uint32_t, uint32_t); + uint32_t endmem = membase + memsize; + unsigned long barebox_base; + uint32_t *ptr; + void *pg_start; + + endmem -= STACK_SIZE; /* stack */ + + if (IS_ENABLED(CONFIG_PBL_RELOCATABLE)) + relocate_to_current_adr(); + + /* Get offset between linked address and runtime address */ + offset = get_runtime_offset(); + + if (IS_ENABLED(CONFIG_RELOCATABLE)) + barebox_base = arm_barebox_image_place(membase + memsize); + else + barebox_base = TEXT_BASE; + + setup_c(); + + if (IS_ENABLED(CONFIG_MMU_EARLY)) { + endmem &= ~0x3fff; + endmem -= SZ_16K; /* ttb */ + mmu_early_enable(membase, memsize, endmem); + } + + endmem -= SZ_128K; /* early malloc */ + free_mem_ptr = endmem; + free_mem_end_ptr = free_mem_ptr + SZ_128K; + + ptr = (void *)__image_end; + pg_start = ptr + 1; + pg_len = *(ptr); + + pbl_barebox_uncompress((void*)barebox_base, pg_start, pg_len); + + arm_early_mmu_cache_flush(); + flush_icache(); + + if (IS_ENABLED(CONFIG_THUMB2_BAREBOX)) + barebox = (void *)(barebox_base + 1); + else + barebox = (void *)barebox_base; + + barebox(membase, memsize, boarddata); +} + +/* + * Generic second stage pbl uncompressor entry + */ +ENTRY_FUNCTION(start_uncompress)(uint32_t membase, uint32_t memsize, + uint32_t boarddata) +{ + arm_setup_stack(membase + memsize - 16); + + uncompress(membase, memsize, boarddata); +} diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index b271618c5..678f910c5 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -9,6 +9,7 @@ BUILTIN_DTB := $(patsubst "%",%,$(CONFIG_BUILTIN_DTB_NAME)) obj-$(CONFIG_BUILTIN_DTB) += $(BUILTIN_DTB).dtb.o .SECONDARY: $(obj)/$(BUILTIN_DTB).dtb.S +.SECONDARY: $(patsubst %,$(obj)/%.S,$(dtb-y)) targets += dtbs targets += $(dtb-y) diff --git a/arch/arm/include/asm/barebox-arm-head.h b/arch/arm/include/asm/barebox-arm-head.h index 9a8cc8771..af7164a2e 100644 --- a/arch/arm/include/asm/barebox-arm-head.h +++ b/arch/arm/include/asm/barebox-arm-head.h @@ -43,7 +43,7 @@ static inline void arm_cpu_lowlevel_init(void) #ifdef CONFIG_HAVE_MACH_ARM_HEAD #include #else -static inline void barebox_arm_head(void) +static inline void __barebox_arm_head(void) { __asm__ __volatile__ ( #ifdef CONFIG_THUMB2_BAREBOX @@ -52,12 +52,12 @@ static inline void barebox_arm_head(void) "bx r9\n" ".thumb\n" "1:\n" - "bl barebox_arm_reset_vector\n" + "bl 2f\n" ".rept 10\n" "1: b 1b\n" ".endr\n" #else - "b barebox_arm_reset_vector\n" + "b 2f\n" "1: b 1b\n" "1: b 1b\n" "1: b 1b\n" @@ -74,6 +74,14 @@ static inline void barebox_arm_head(void) ".rept 8\n" ".word 0x55555555\n" ".endr\n" + "2:\n" + ); +} +static inline void barebox_arm_head(void) +{ + __barebox_arm_head(); + __asm__ __volatile__ ( + "b barebox_arm_reset_vector\n" ); } #endif diff --git a/arch/arm/include/asm/barebox-arm.h b/arch/arm/include/asm/barebox-arm.h index cd8decfcc..622bd1362 100644 --- a/arch/arm/include/asm/barebox-arm.h +++ b/arch/arm/include/asm/barebox-arm.h @@ -54,6 +54,8 @@ static inline void arm_fixup_vectors(void) } #endif +void *barebox_arm_boot_dtb(void); + /* * For relocatable binaries find a suitable start address for the * relocated binary. Beginning at the memory end substract the reserved @@ -77,4 +79,8 @@ static inline unsigned long arm_barebox_image_place(unsigned long endmem) return endmem; } +#define ENTRY_FUNCTION(name) \ + void __naked __section(.text_head_entry_##name) \ + name + #endif /* _BAREBOX_ARM_H_ */ diff --git a/arch/arm/pbl/zbarebox.lds.S b/arch/arm/lib/pbl.lds.S similarity index 93% rename from arch/arm/pbl/zbarebox.lds.S rename to arch/arm/lib/pbl.lds.S index 6b23bbe79..1eae8298e 100644 --- a/arch/arm/pbl/zbarebox.lds.S +++ b/arch/arm/lib/pbl.lds.S @@ -26,7 +26,6 @@ OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") OUTPUT_ARCH(arm) -ENTRY(pbl_start) SECTIONS { #ifdef CONFIG_PBL_RELOCATABLE @@ -87,6 +86,12 @@ SECTIONS } __piggydata_end = .; - _barebox_image_size = __piggydata_end - (TEXT_BASE - SZ_2M); + . = ALIGN(4); + .image_end : { + KEEP(*(.image_end)) + } + __image_end = .; + + _barebox_image_size = __image_end - (TEXT_BASE - SZ_2M); _barebox_pbl_size = __bss_start - (TEXT_BASE - SZ_2M); } diff --git a/arch/arm/lib/runtime-offset.S b/arch/arm/lib/runtime-offset.S index 15bf4149b..f10c4c846 100644 --- a/arch/arm/lib/runtime-offset.S +++ b/arch/arm/lib/runtime-offset.S @@ -42,6 +42,9 @@ ld_var_entry __dynsym_end ld_var_entry _barebox_image_size ld_var_entry __bss_start ld_var_entry __bss_stop +#ifdef __PBL__ +ld_var_entry __image_end +#endif 1: ldr r1, =__ld_var_base diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig index 644c05eca..b80e88564 100644 --- a/arch/arm/mach-imx/Kconfig +++ b/arch/arm/mach-imx/Kconfig @@ -67,6 +67,7 @@ config BOARDINFO choice prompt "Select boot mode" depends on !ARCH_IMX_INTERNAL_BOOT_USE_IMXIMAGE + depends on !HAVE_PBL_MULTI_IMAGES help i.MX processors support two different boot modes. With the internal boot mode the boot medium contains a header describing the image to @@ -329,6 +330,7 @@ config MACH_PCM038 select DRIVER_SPI_IMX select MFD_MC13XXX select HAVE_DEFAULT_ENVIRONMENT_NEW + select HAVE_PBL_MULTI_IMAGES help Say Y here if you are using Phytec's phyCORE-i.MX27 (pcm038) equipped with a Freescale i.MX27 Processor diff --git a/arch/arm/pbl/Makefile b/arch/arm/pbl/Makefile index 3f50f77bc..8923a704e 100644 --- a/arch/arm/pbl/Makefile +++ b/arch/arm/pbl/Makefile @@ -29,9 +29,12 @@ endif zbarebox-common := $(barebox-pbl-common) $(obj)/$(piggy_o) zbarebox-lds := $(obj)/zbarebox.lds +$(zbarebox-lds): $(obj)/../lib/pbl.lds.S FORCE + $(call if_changed_dep,cpp_lds_S) + quiet_cmd_zbarebox__ ?= LD $@ cmd_zbarebox__ ?= $(LD) $(LDFLAGS) $(LDFLAGS_zbarebox) -o $@ \ - -T $(zbarebox-lds) \ + -e pbl_start -T $(zbarebox-lds) \ --start-group $(zbarebox-common) --end-group \ $(filter-out $(zbarebox-lds) $(zbarebox-common) FORCE ,$^) diff --git a/drivers/of/Kconfig b/drivers/of/Kconfig index ffe063e0b..03ae59927 100644 --- a/drivers/of/Kconfig +++ b/drivers/of/Kconfig @@ -1,4 +1,5 @@ config OFTREE + select DTC bool config OFTREE_MEM_GENERIC diff --git a/images/Makefile b/images/Makefile new file mode 100644 index 000000000..925a98793 --- /dev/null +++ b/images/Makefile @@ -0,0 +1,124 @@ +# +# barebox image generation Makefile +# +# This Makefile generates multiple images from a common barebox image +# and different pbl (pre bootloader) images. Optionally the result is +# encapsulated in SoC (or SoC boot type) specific image formats. +# +# The basic idea here is that we generate a single barebox main binary. This +# is compressed and prepended with a self extractor, generated as barebox.x. +# barebox.x is then prepended with different board specific pbls. The pbls +# are generally named after their entrypoints. So a pcm038 specific pbl will +# generate the following files: +# +# start_imx27_pcm038.pbl - The ELF file, linked with the entrypoint start_imx27_pcm038 +# start_imx27_pcm038.pblb - The raw binary of the above. +# start_imx27_pcm038.pblx - The pblb appended with barebox.x +# start_imx27_pcm038.pbl.map - The linker map file +# start_imx27_pcm038.pbl.s - the disassembled ELF, generated with: +# make images/start_imx27_pcm038.pbl.s +# +# Example Makefile snippets for the i.MX51 babbage board (for readability in opposite +# order): +# +## image-$(CONFIG_MACH_FREESCALE_MX51_PDK) += barebox-imx51-babbage.img +# +# For CONFIG_MACH_FREESCALE_MX51_PDK build barebox-imx51-babbage.img +# +## FILE_barebox-imx51-babbage.img = start_imx51_babbage.pblx.imximg +# +# barebox-imx51-babbage.img should be generated (copied) from +# start_imx51_babbage.pblx.imximg. This copy process is only done so that we +# can generate images with a sane name. So what we really need for this +# board is a i.MX specific image, a .imximg +# +## imximage-$(CONFIG_MACH_FREESCALE_MX51_PDK) += start_imx51_babbage.pblx.imximg +## CFG_start_imx51_babbage.pblx.imximg = $(board)/freescale-mx51-pdk/flash-header.imxcfg +# +# The .imximg can be generated from a .pblx using a rule specified in Makefile.imx. +# The configfile needed for this image is specified with CFG_ = +# +## pblx-$(CONFIG_MACH_FREESCALE_MX51_PDK) += start_imx51_babbage +# +# For this image we need a pblx (self extracting barebox binary) with +# start_imx51_babbage as entrypoint. start_imx51_babbage will be used +# both as entrypoint and as filename +# + +quiet_cmd_objcopy_bin = OBJCOPYB $@ + cmd_objcopy_bin = $(OBJCOPY) -O binary $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ + +pbl-lds := $(obj)/pbl.lds +extra-y += $(pbl-lds) + +$(pbl-lds): $(obj)/../arch/$(ARCH)/lib/pbl.lds.S FORCE + $(call if_changed_dep,cpp_lds_S) + +quiet_cmd_elf__ ?= LD $@ + cmd_elf__ ?= $(LD) $(LDFLAGS) -static --gc-sections -pie \ + -e $(2) -Map $@.map $(LDFLAGS_$(@F)) -o $@ \ + -T $(pbl-lds) \ + --start-group $(barebox-pbl-common) --end-group + +PBL_CPPFLAGS += -fdata-sections -ffunction-sections + +$(obj)/%.pbl: $(pbl-lds) $(barebox-pbl-common) FORCE + $(call if_changed,elf__,$(*F)) + +$(obj)/%.pblb: $(obj)/%.pbl FORCE + $(call if_changed,objcopy_bin,$(*F)) + +quiet_cmd_pblx ?= PBLX $@ + cmd_pblx ?= cat $(obj)/$(patsubst %.pblx,%.pblb,$(2)) > $@; \ + $(call size_append, $(obj)/barebox.x) >> $@; \ + cat $(obj)/barebox.x >> $@ + +$(obj)/%.pblx: $(obj)/%.pblb $(obj)/barebox.x FORCE + $(call if_changed,pblx,$(@F)) + +$(obj)/%.s: $(obj)/% FORCE + $(call if_changed,disasm) + +suffix_$(CONFIG_IMAGE_COMPRESSION_GZIP) = gzip +suffix_$(CONFIG_IMAGE_COMPRESSION_LZO) = lzo +suffix_$(CONFIG_IMAGE_COMPRESSION_NONE) = shipped + +# barebox.z - compressed barebox binary +# ---------------------------------------------------------------- +$(obj)/barebox.z: $(obj)/../barebox.bin FORCE + $(call if_changed,$(suffix_y)) + +quiet_cmd_selfextract = COMP $@ + cmd_selfextract = cat $(obj)/start_uncompress.pblb > $@; \ + $(call size_append, $<) >> $@; \ + cat $< >> $@ + +pblx-y += start_uncompress +# barebox.x - self extracting barebox binary +# ---------------------------------------------------------------- +$(obj)/barebox.x: $(obj)/barebox.z $(obj)/start_uncompress.pblb FORCE + $(call if_changed,selfextract) + +# %.img - create a copy from another file +# ---------------------------------------------------------------- +.SECONDEXPANSION: +$(obj)/%.img: $(obj)/$$(FILE_$$(@F)) + $(Q)if [ -z $(FILE_$(@F)) ]; then echo "FILE_$(@F) empty!"; false; fi + $(call if_changed,shipped) + +include $(srctree)/images/Makefile.imx + +targets += $(image-y) pbl.lds barebox.x barebox.z +targets += $(patsubst %,%.pblx,$(pblx-y)) +targets += $(patsubst %,%.pblb,$(pblx-y)) +targets += $(patsubst %,%.pbl,$(pblx-y)) +targets += $(patsubst %,%.s,$(pblx-y)) +targets += $(imximage-y) + +SECONDARY: $(addprefix $(obj)/,$(targets)) + +images: $(addprefix $(obj)/, $(image-y)) FORCE + @echo "images built:\n" $(patsubst %,%\\n,$(image-y)) + +clean-files := *.pbl *.pblb *.pblx *.map start_*.imximg *.img barebox.z +clean-files += pbl.lds diff --git a/images/Makefile.imx b/images/Makefile.imx new file mode 100644 index 000000000..63347297e --- /dev/null +++ b/images/Makefile.imx @@ -0,0 +1,15 @@ +# +# barebox image generation Makefile for i.MX images +# + +# %.imximg - convert into i.MX image +# ---------------------------------------------------------------- +$(obj)/%.imximg: $(obj)/% FORCE + $(call if_changed,imx_image) + +board = $(srctree)/arch/$(ARCH)/boards + +# ----------------------- i.MX27 based boards --------------------------- +pblx-$(CONFIG_MACH_PCM038) += start_imx27_pcm038 +FILE_barebox-phytec-phycore-imx27.img = start_imx27_pcm038.pblx +image-$(CONFIG_MACH_PCM038) += barebox-phytec-phycore-imx27.img diff --git a/include/asm-generic/sections.h b/include/asm-generic/sections.h index 5492aa4d9..984f8b606 100644 --- a/include/asm-generic/sections.h +++ b/include/asm-generic/sections.h @@ -6,6 +6,7 @@ extern char __bss_start[], __bss_stop[]; extern char _sdata[], _edata[]; extern char __bare_init_start[], __bare_init_end[]; extern char _end[]; +extern char __image_end[]; extern void *_barebox_image_size; extern void *_barebox_bare_init_size; extern void *_barebox_pbl_size; diff --git a/pbl/Kconfig b/pbl/Kconfig index 5c7f62eef..a37c97610 100644 --- a/pbl/Kconfig +++ b/pbl/Kconfig @@ -1,6 +1,9 @@ config HAVE_PBL_IMAGE bool +config HAVE_PBL_MULTI_IMAGES + bool + config HAVE_IMAGE_COMPRESSION bool @@ -8,6 +11,19 @@ config PBL_IMAGE bool "Pre-Bootloader image" depends on HAVE_PBL_IMAGE +config PBL_MULTI_IMAGES + bool + select PBL_IMAGE + select PBL_RELOCATABLE + depends on HAVE_PBL_MULTI_IMAGES + default y + +config PBL_SINGLE_IMAGE + bool + depends on PBL_IMAGE + depends on !HAVE_PBL_MULTI_IMAGES + default y + config PBL_FORCE_PIGGYDATA_COPY bool help diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib index 0b56dcc21..307412f8d 100644 --- a/scripts/Makefile.lib +++ b/scripts/Makefile.lib @@ -329,4 +329,4 @@ $(obj)/%.S: $(obj)/%.dcd $(call cmd,imximage_S_dcd) quiet_cmd_imx_image = IMX-IMG $@ - cmd_imx_image = $(obj)/scripts/imx/imx-image -b -c $(CFG_$(@F)) -f $< -o $@ + cmd_imx_image = $(objtree)/scripts/imx/imx-image -b -c $(CFG_$(@F)) -f $< -o $@