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* Makefile: Add a 'checkthumb' ruleTom Rini2012-05-15-0/+5
| | | | | | | | | | | | This rule confirms that if we're on ARM and we have enabled THUMB builds that we have a new enough toolchain to produce a working binary. Changes in v2: - Switch to ALL-$(CONFIG_SYS_THUMB_BUILD) in arch/arm/config.mk (Mike F) - Simplfy checkthumb test after doing the above Signed-off-by: Tom Rini <trini@ti.com> Acked-by: Mike Frysinger <vapier@gentoo.org>
* ARM: enable Thumb buildAneesh V2012-05-15-7/+15
| | | | | | | | Enable Thumb build and ARM-Thumb interworking based on the new config flag CONFIG_SYS_THUMB_BUILD Signed-off-by: Aneesh V <aneesh@ti.com> Acked-by: Mike Frysinger <vapier@gentoo.org>
* arm: Remove unneeded setting of LDCSRIPTSimon Glass2012-03-30-7/+0
| | | | | | | | This is set by the top level Makefile anyway, so drop it. This does have the effect of changing the order - now the board link script will have preference over the CPU one. But this seems more correct anyway. Signed-off-by: Simon Glass <sjg@chromium.org>
* Reduce build timesWolfgang Denk2011-11-03-9/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | U-Boot Makefiles contain a number of tests for compiler features etc. which so far are executed again and again. On some architectures (especially ARM) this results in a large number of calls to gcc. This patch makes sure to run such tests only once, thus largely reducing the number of "execve" system calls. Example: number of "execve" system calls for building the "P2020DS" (Power Architecture) and "qong" (ARM) boards, measured as: -> strace -f -e trace=execve -o /tmp/foo ./MAKEALL <board> -> grep execve /tmp/foo | wc -l Before: After: Reduction: ================================== P2020DS 20555 15205 -26% qong 31692 14490 -54% As a result, built times are significantly reduced, typically by 30...50%. Signed-off-by: Wolfgang Denk <wd@denx.de> Cc: Andy Fleming <afleming@gmail.com> Cc: Kumar Gala <galak@kernel.crashing.org> Cc: Albert Aribaud <albert.aribaud@free.fr> cc: Graeme Russ <graeme.russ@gmail.com> cc: Mike Frysinger <vapier@gentoo.org> Tested-by: Graeme Russ <graeme.russ@gmail.com> Tested-by: Matthias Weisser <weisserm@arcor.de> Tested-by: Sanjeev Premi <premi@ti.com> Tested-by: Simon Glass <sjg@chromium.org> Tested-by: Macpaul Lin <macpaul@gmail.com> Acked-by: Mike Frysinger <vapier@gentoo.org>
* arm: adjust PLATFORM_LIBS for SPLAneesh V2011-07-26-3/+10
| | | | | Signed-off-by: Aneesh V <aneesh@ti.com> Cc: Albert ARIBAUD <albert.u.boot@aribaud.net>
* support CONFIG_SYS_LDSCRIPT on ARMMichael Schwingen2011-06-23-0/+7
| | | | Signed-off-by: Michael Schwingen <michael@schwingen.org>
* Handle most LDSCRIPT setting centrallyScott Wood2011-04-30-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently, some linker scripts are found by common code in config.mk. Some are found using CONFIG_SYS_LDSCRIPT, but the code for that is sometimes in arch config.mk and sometimes in board config.mk. Some are found using an arch-specific rule for looking in CPUDIR, etc. Further, the powerpc config.mk rule relied on CONFIG_NAND_SPL when it really wanted CONFIG_NAND_U_BOOT -- which covered up the fact that not all NAND_U_BOOT builds actually wanted CPUDIR/u-boot-nand.lds. Replace all of this -- except for a handful of boards that are actually selecting a linker script in a unique way -- with centralized ldscript finding. If board code specifies LDSCRIPT, that will be used. Otherwise, if CONFIG_SYS_LDSCRIPT is specified, that will be used. If neither of these are specified, then the central config.mk will check for the existence of the following, in order: $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds (only if CONFIG_NAND_U_BOOT) $(TOPDIR)/$(CPUDIR)/u-boot-nand.lds (only if CONFIG_NAND_U_BOOT) $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds $(TOPDIR)/$(CPUDIR)/u-boot.lds Some boards (sc3, cm5200, munices) provided their own u-boot.lds that were dead code, because they were overridden by a CPUDIR u-boot.lds under the old powerpc rules. These boards' own u-boot.lds have bitrotted and no longer work -- these lds files have been removed. Signed-off-by: Scott Wood <scottwood@freescale.com> Tested-by: Graeme Russ <graeme.russ@gmail.com>
* Make STANDALONE_LOAD_ADDR configurable per boardWolfgang Denk2011-04-12-5/+3
| | | | | | | | | | | | | Rename STANDALONE_LOAD_ADDR into CONFIG_STANDALONE_LOAD_ADDR and allow that the architecture-specific default value gets overwritten by defining the value in the board header file. Signed-off-by: Wolfgang Denk <wd@denx.de> Cc: Mike Frysinger <vapier@gentoo.org> Cc: Shinya Kuribayashi <skuribay@ruby.dti.ne.jp> Cc: Daniel Hellstrom <daniel@gaisler.com> Cc: Tsi Chung Liew <tsi-chung.liew@freescale.com> Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
* ARM: fix broken build of ARMStefano Babic2011-02-02-1/+1
| | | | | | | | | | | | | | | Commit 8aba9dceebb14144e07d19593111ee3a999c37fc breaks ARM boards because for ARM the -pie option is used for partial linking together with -r option. The patch adds the -pie option to link u-boot.bin only. Signed-off-by: Stefano Babic <sbabic@denx.de> CC: Jason Liu <liu.h.jason@gmail.com> CC: lool@dooz.org CC: Wolfgang Denk <wd@denx.de> CC: Albert Aribaud <albert.aribaud@free.fr> Tested-by: Alexander Holler <holler@ahsoftware.de>
* Drop support for CONFIG_SYS_ARM_WITHOUT_RELOCWolfgang Denk2010-10-29-5/+0
| | | | | | | | | | | | | | | | When this define was introduced, the idea was to provide a soft migration path for ARM boards to get adapted to the new relocation support. However, other recent changes led to a different implementation (ELF relocation), where this no longer works. By now CONFIG_SYS_ARM_WITHOUT_RELOC does not only not help any more, but it actually hurts because it obfuscates the actual code by sprinkling it with lots of dead and non-working debris. So let's make a clean cut and drop CONFIG_SYS_ARM_WITHOUT_RELOC. Signed-off-by: Wolfgang Denk <wd@denx.de> Tested-by: Heiko Schocher <hs@denx.de> Tested-by: Reinhard Meyer <u-boot@emk-elektronik.de>
* arm926ejs, tx25: add support for ELF relocationsHeiko Schocher2010-10-13-0/+2
| | | | Signed-off-by: Heiko Schocher <hs@denx.de>
* arm: implement ELF relocationsAlbert Aribaud2010-10-13-5/+5
| | | | | | | | ELF relocation tables generated with linker option -pie can be used to fixup code and data in a single loop at relocation, removing the need for manual fixups anywhere else in the code. Signed-off-by: Albert Aribaud <albert.aribaud@free.fr>
* ARM: add relocation supportHeiko Schocher2010-09-19-0/+8
| | | | | | | | | | | | | | | | | | | !! This breaks support for all arm boards !! To compile in old style, you must define CONFIG_SYS_ARM_WITHOUT_RELOC or you can compile with "CONFIG_SYS_ARM_WITHOUT_RELOC=1 ./MAKEALL board" !! This define will be removed soon, so convert your board to use relocation support Portions of this work were supported by funding from the CE Linux Forum. Signed-off-by: Heiko Schocher <hs@denx.de> Fix boot from NAND for non-ARM systems Signed-off-by: Wolfgang Denk <wd@denx.de>
* Move lib_$ARCH directories to arch/$ARCH/libPeter Tyser2010-04-13-0/+66
Also move lib_$ARCH/config.mk to arch/$ARCH/config.mk This change is intended to clean up the top-level directory structure and more closely mimic Linux's directory organization. Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
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