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* mpc8xx: move common linker scripts into the CPU directoryMasahiro Yamada2014-09-24-82/+0
| | | | | | | | | | | | | | | | Each CPU of PowerPC has its default linker script under the CPU directory, except mpc8xx. Every mpc8xx board has its own linker script under the board directory, resulting in lots of duplication of linker scripts. I notice eight mpc8xx boards have the same linker script. We can decrease the number of linker scripts by putting a single default linker script, arch/powerpc/cpu/mpc8xx/u-boot.lds. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Cc: Wolfgang Denk <wd@denx.de> Acked-by: Stefan Roese <sr@denx.de>
* kconfig: remove redundant "string" type in arch and board KconfigsMasahiro Yamada2014-09-13-3/+0
| | | | | | | | | | | | | | | | | | Now the types of CONFIG_SYS_{ARCH, CPU, SOC, VENDOR, BOARD, CONFIG_NAME} are specified in arch/Kconfig. We can delete the ones in arch and board Kconfig files. This commit can be easily reproduced by the following command: find . -name Kconfig -a ! -path ./arch/Kconfig | xargs sed -i -e ' /config[[:space:]]SYS_\(ARCH\|CPU\|SOC\|\VENDOR\|BOARD\|CONFIG_NAME\)/ { N s/\n[[:space:]]*string// } ' Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
* Add board MAINTAINERS filesMasahiro Yamada2014-07-30-0/+6
| | | | | | | | | | | | | | | | | | | | We have switched to Kconfig and the boards.cfg file is going to be removed. We have to retrieve the board status and maintainers information from it. The MAINTAINERS format as in Linux Kernel would be nice because we can crib the scripts/get_maintainer.pl script. After some discussion, we chose to put a MAINTAINERS file under each board directory, not the top-level one because we want to collect relevant information for a board into a single place. TODO: Modify get_maintainer.pl to scan multiple MAINTAINERS files. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Suggested-by: Tom Rini <trini@ti.com> Acked-by: Simon Glass <sjg@chromium.org>
* kconfig: add board Kconfig and defconfig filesMasahiro Yamada2014-07-30-0/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | This commit adds: - arch/${ARCH}/Kconfig provide a menu to select target boards - board/${VENDOR}/${BOARD}/Kconfig or board/${BOARD}/Kconfig set CONFIG macros to the appropriate values for each board - configs/${TARGET_BOARD}_defconfig default setting of each board (This commit was automatically generated by a conversion script based on boards.cfg) In Linux Kernel, defconfig files are located under arch/${ARCH}/configs/ directory. It works in Linux Kernel since ARCH is always given from the command line for cross compile. But in U-Boot, ARCH is not given from the command line. Which means we cannot know ARCH until the board configuration is done. That is why all the "*_defconfig" files should be gathered into a single directory ./configs/. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Acked-by: Simon Glass <sjg@chromium.org>
* Add cli_ prefix to readline functionsSimon Glass2014-05-29-6/+6
| | | | | | This makes it clear where the code resides. Signed-off-by: Simon Glass <sjg@chromium.org>
* move CLI prototypes to cli.h and add commentsSimon Glass2014-05-29-0/+1
| | | | | | | Move the CLI prototypes from common.h to cli.h as part of an effort to reduce the size of common.h. Signed-off-by: Simon Glass <sjg@chromium.org>
* board: powerpc: convert makefiles to Kbuild styleMasahiro Yamada2013-11-01-21/+1
| | | | | | | | Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Cc: Wolfgang Denk <wd@denx.de> Cc: Kim Phillips <kim.phillips@freescale.com> Cc: York Sun <yorksun@freescale.com> Cc: Stefan Roese <sr@denx.de>
* Add GPL-2.0+ SPDX-License-Identifier to source filesWolfgang Denk2013-07-24-85/+5
| | | | | | Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
* replace last __bss_end__ occurrences with __bss_endAlbert ARIBAUD2013-04-02-1/+1
| | | | | | | | | | Simon Glass' commit 3929fb0a141530551b3fce15ee08629f80d5ef2a, which changed all occurrences of __bss__end__ into __bss_end, left behind some untouched __bss_end__ occurrences in all 33 u-boot.lds.debug files, in board/mousse/u-boot.lds.ram and in board/mousse/u-boot.lds.rom. These are replaced here. Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
* Merge branch 'master' of git://git.denx.de/u-boot-armTom Rini2013-03-18-2/+2
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Albert's rework of the linker scripts conflicted with Simon's making everyone use __bss_end. We also had a minor conflict over README.scrapyard being added to in mainline and enhanced in u-boot-arm/master with proper formatting. Conflicts: arch/arm/cpu/ixp/u-boot.lds arch/arm/cpu/u-boot.lds arch/arm/lib/Makefile board/actux1/u-boot.lds board/actux2/u-boot.lds board/actux3/u-boot.lds board/dvlhost/u-boot.lds board/freescale/mx31ads/u-boot.lds doc/README.scrapyard include/configs/tegra-common.h Build tested for all of ARM and run-time tested on am335x_evm. Signed-off-by: Tom Rini <trini@ti.com>
| * Refactor linker-generated arraysAlbert ARIBAUD2013-03-12-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Refactor linker-generated array code so that symbols which were previously linker-generated are now compiler- generated. This causes relocation records of type R_ARM_ABS32 to become R_ARM_RELATIVE, which makes code which uses LGA able to run before relocation as well as after. Note: this affects more than ARM targets, as linker- lists span possibly all target architectures, notably PowerPC. Conflicts: arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds arch/arm/cpu/arm926ejs/spear/u-boot-spl.lds arch/arm/cpu/armv7/omap-common/u-boot-spl.lds board/ait/cam_enc_4xx/u-boot-spl.lds board/davinci/da8xxevm/u-boot-spl-da850evm.lds board/davinci/da8xxevm/u-boot-spl-hawk.lds board/vpac270/u-boot-spl.lds Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
* | Replace __bss_end__ with __bss_endSimon Glass2013-03-15-1/+1
|/ | | | | | | | | | | | | Note this is a tree-wide change affecting multiple architectures. At present we use __bss_start, but mostly __bss_end__. This seems inconsistent and in a number of places __bss_end is used instead. Change to use __bss_end for the BSS end symbol throughout U-Boot. This makes it possible to use the asm-generic/sections.h file on all archs. Signed-off-by: Simon Glass <sjg@chromium.org>
* common: Discard the __u_boot_cmd sectionMarek Vasut2012-10-22-6/+0
| | | | | | | | | | | The command declaration now uses the new LG-array method to generate list of commands. Thus the __u_boot_cmd section is now superseded and redundant and therefore can be removed. Also, remove externed symbols associated with this section from include/command.h . Signed-off-by: Marek Vasut <marex@denx.de> Cc: Joe Hershberger <joe.hershberger@gmail.com> Cc: Mike Frysinger <vapier@gentoo.org>
* common: Add .u_boot_list into all linker filesMarek Vasut2012-10-22-0/+10
| | | | | | | | | | Add section for the linker-generated lists into all possible linker files, so that everyone can easily use these lists. This is mostly a mechanical adjustment. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Joe Hershberger <joe.hershberger@gmail.com> Cc: Mike Frysinger <vapier@gentoo.org>
* common: move extern char console_buffer[] to common.hIgor Grinberg2011-11-22-3/+0
| | | | | | | | | Extract all extern declarations for console_buffer[] out of c files into the common.h header. Signed-off-by: Igor Grinberg <grinberg@compulab.co.il> Cc: Frank Gottschling <fgottschling@eltec.de> Cc: Murray Jensen <Murray.Jensen@csiro.au>
* board/eltec/mhpc/flash.c: Fix GCC 4.6 build warningWolfgang Denk2011-11-07-4/+3
| | | | | | | | | | Fix: flash.c: In function 'write_buff': flash.c:314:6: warning: variable 'count' set but not used [-Wunused-but-set-variable] Signed-off-by: Wolfgang Denk <wd@denx.de> Cc: Frank Gottschling <fgottschling@eltec.de>
* powerpc, 8xx: Fixup all 8xx u-boot.lds scriptsJoakim Tjernlund2011-04-20-2/+3
| | | | | | | 8xx was left behind when fixing up powerpc linking scripts to support -fpic. Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
* rename _end to __bss_end__Po-Yu Chuang2011-03-27-2/+2
| | | | | | | Currently, _end is used for end of BSS section. We want _end to mean end of u-boot image, so we rename _end to __bss_end__ first. Signed-off-by: Po-Yu Chuang <ratbert@faraday-tech.com>
* 8xx: Cleanup for partial linking and --gc-sectionsWolfgang Denk2010-11-27-45/+12
| | | | | Signed-off-by: Wolfgang Denk <wd@denx.de> Acked-by: Stefan Roese <sr@denx.de>
* Switch from archive libraries to partial linkingSebastien Carlier2010-11-17-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | Before this commit, weak symbols were not overridden by non-weak symbols found in archive libraries when linking with recent versions of binutils. As stated in the System V ABI, "the link editor does not extract archive members to resolve undefined weak symbols". This commit changes all Makefiles to use partial linking (ld -r) instead of creating library archives, which forces all symbols to participate in linking, allowing non-weak symbols to override weak symbols as intended. This approach is also used by Linux, from which the gmake function cmd_link_o_target (defined in config.mk and used in all Makefiles) is inspired. The name of each former library archive is preserved except for extensions which change from ".a" to ".o". This commit updates references accordingly where needed, in particular in some linker scripts. This commit reveals board configurations that exclude some features but include source files that depend these disabled features in the build, resulting in undefined symbols. Known such cases include: - disabling CMD_NET but not CMD_NFS; - enabling CONFIG_OF_LIBFDT but not CONFIG_QE. Signed-off-by: Sebastien Carlier <sebastien.carlier@gmail.com>
* Makefile: move all Power Architecture boards into boards.cfgWolfgang Denk2010-10-18-33/+0
| | | | | | | | | | Clean up Makefile, and drop a lot of the config.mk files on the way. We now also automatically pick all boards that are listed in boards.cfg (and with all configurations), so we can drop the redundant entries from MAKEALL to avoid building these twice. Signed-off-by: Wolfgang Denk <wd@denx.de>
* Rename TEXT_BASE into CONFIG_SYS_TEXT_BASEWolfgang Denk2010-10-18-2/+2
| | | | | | | | | | | | The change is currently needed to be able to remove the board configuration scripting from the top level Makefile and replace it by a simple, table driven script. Moving this configuration setting into the "CONFIG_*" name space is also desirable because it is needed if we ever should move forward to a Kconfig driven configuration system. Signed-off-by: Wolfgang Denk <wd@denx.de>
* Move arch/ppc to arch/powerpcStefan Roese2010-04-21-2/+2
| | | | | | | | | | | | | | | | | As discussed on the list, move "arch/ppc" to "arch/powerpc" to better match the Linux directory structure. Please note that this patch also changes the "ppc" target in MAKEALL to "powerpc" to match this new infrastructure. But "ppc" is kept as an alias for now, to not break compatibility with scripts using this name. Signed-off-by: Stefan Roese <sr@denx.de> Acked-by: Wolfgang Denk <wd@denx.de> Acked-by: Detlev Zundel <dzu@denx.de> Acked-by: Kim Phillips <kim.phillips@freescale.com> Cc: Peter Tyser <ptyser@xes-inc.com> Cc: Anatolij Gustschin <agust@denx.de>
* ppc: Move cpu/$CPU to arch/ppc/cpu/$CPUPeter Tyser2010-04-13-2/+2
| | | | Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
* Rename lib_generic/ to lib/Peter Tyser2010-04-13-2/+2
| | | | | | | | Now that the other architecture-specific lib directories have been moved out of the top-level directory there's not much reason to have the '_generic' suffix on the common lib directory. Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
* ppc: Enable full relocation to RAMPeter Tyser2009-10-03-2/+0
| | | | | | | | | | | | | The following changes allow U-Boot to fully relocate from flash to RAM: - Remove linker scripts' .fixup sections from the .text section - Add -mrelocatable to PLATFORM_RELFLAGS for all boards - Define CONFIG_RELOC_FIXUP_WORKS for all boards Previously, U-Boot would partially relocate, but statically initialized pointers needed to be manually relocated. Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
* Fix all linker script to handle all rodata sectionsTrent Piepho2009-03-20-3/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A recent gcc added a new unaligned rodata section called '.rodata.str1.1', which needs to be added the the linker script. Instead of just adding this one section, we use a wildcard ".rodata*" to get all rodata linker section gcc has now and might add in the future. However, '*(.rodata*)' by itself will result in sub-optimal section ordering. The sections will be sorted by object file, which causes extra padding between the unaligned rodata.str.1.1 of one object file and the aligned rodata of the next object file. This is easy to fix by using the SORT_BY_ALIGNMENT command. This patch has not be tested one most of the boards modified. Some boards have a linker script that looks something like this: *(.text) . = ALIGN(16); *(.rodata) *(.rodata.str1.4) *(.eh_frame) I change this to: *(.text) . = ALIGN(16); *(.eh_frame) *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) This means the start of rodata will no longer be 16 bytes aligned. However, the boundary between text and rodata/eh_frame is still aligned to 16 bytes, which is what I think the real purpose of the ALIGN call is. Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
* Align end of bss by 4 bytesSelvamuthukumar2008-11-18-0/+1
| | | | | | | | | | Most of the bss initialization loop increments 4 bytes at a time. And the loop end is checked for an 'equal' condition. Make the bss end address aligned by 4, so that the loop will end as expected. Signed-off-by: Selvamuthukumar <selva.muthukumar@e-coninfotech.com> Signed-off-by: Wolfgang Denk <wd@denx.de>
* rename CFG_ macros to CONFIG_SYSJean-Christophe PLAGNIOL-VILLARD2008-10-18-26/+26
| | | | Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
* rename environment.c in env_embedded.c to reflect is functionalityJean-Christophe PLAGNIOL-VILLARD2008-09-10-2/+2
| | | | Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
* Change initdram() return type to phys_size_tBecky Bruce2008-06-12-1/+1
| | | | | | | | | | | | | | | | | | | This patch changes the return type of initdram() from long int to phys_size_t. This is required for a couple of reasons: long int limits the amount of dram to 2GB, and u-boot in general is moving over to phys_size_t to represent the size of physical memory. phys_size_t is defined as an unsigned long on almost all current platforms. This patch *only* changes the return type of the initdram function (in include/common.h, as well as in each board's implementation of initdram). It does not actually modify the code inside the function on any of the platforms; platforms which wish to support more than 2GB of DRAM will need to modify their initdram() function code. Build tested with MAKEALL for ppc, arm, mips, mips-el. Booted on powerpc MPC8641HPCN. Signed-off-by: Becky Bruce <becky.bruce@freescale.com>
* Big white-space cleanup.Wolfgang Denk2008-05-21-8/+8
| | | | | | | | | | | This commit gets rid of a huge amount of silly white-space issues. Especially, all sequences of SPACEs followed by TAB characters get removed (unless they appear in print statements). Also remove all embedded "vim:" and "vi:" statements which hide indentation problems. Signed-off-by: Wolfgang Denk <wd@denx.de>
* Remove all the search paths from the .lds files.Jason Wessel2008-04-17-2/+0
| | | | | | | The cross compiler is responsible for providing the correct libraries and the logic to find the linking libraries. Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
* Fix linker scripts: add NOLOAD atribute to .bss/.sbss sectionsWolfgang Denk2008-01-12-1/+1
| | | | | | | | | | | | | | | | | | | With recent toolchain versions, some boards would not build because or errors like this one (here for ocotea board when building with ELDK 4.2 beta): ppc_4xx-ld: section .bootpg [fffff000 -> fffff23b] overlaps section .bss [fffee900 -> fffff8ab] For many boards, the .bss section is big enough that it wraps around at the end of the address space (0xFFFFFFFF), so the problem will not be visible unless you use a 64 bit tool chain for development. On some boards however, changes to the code size (due to different optimizations) we bail out with section overlaps like above. The fix is to add the NOLOAD attribute to the .bss and .sbss sections, telling the linker that .bss does not consume any space in the image. Signed-off-by: Wolfgang Denk <wd@denx.de>
* Move "ar" flags to config.mk to allow for silent "make -s"Wolfgang Denk2006-10-09-1/+1
| | | | Based on patch by Mike Frysinger, 20 Jun 2006
* Add support for a saving build objects in a separate directory.Marian Balakowicz2006-09-01-7/+11
| | | | | | | | | | | | | | | | | | | | | Modifications are based on the linux kernel approach and support two use cases: 1) Add O= to the make command line 'make O=/tmp/build all' 2) Set environement variable BUILD_DIR to point to the desired location 'export BUILD_DIR=/tmp/build' 'make' The second approach can also be used with a MAKEALL script 'export BUILD_DIR=/tmp/build' './MAKEALL' Command line 'O=' setting overrides BUILD_DIR environent variable. When none of the above methods is used the local build is performed and the object files are placed in the source directory.
* (no commit message)Wolfgang Denk2005-12-12-0/+3
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* Cleanup for GCC-4.xWolfgang Denk2005-10-13-4/+4
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* Fix problems with ld version 2.16 (dot outside sections problem)Wolfgang Denk2005-08-31-0/+2
| | | | | Pointed out by Gerhard Jaeger, 31 Aug 2005; cf. http://sourceware.org/ml/binutils/2005-08/msg00412.html
* * Some code cleanupwdenk2004-02-12-357/+363
| | | | | | | | * Patch by Josef Baumgartner, 10 Feb 2004: Fixes for Coldfire port * Patch by Brad Kemp, 11 Feb 2004: Fix CFI flash driver problems
* * The PS/2 mux on the BMS2003 board needs 450 ms after power onwdenk2004-01-20-1/+1
| | | | | | | | | | | | before we can access it; add delay in case we are faster (with no CF card inserted) * Cleanup of some init functions * Make sure SCC Ethernet is always stopped by the time we boot Linux to avoid Linux crashes by early packets coming in. * Accelerate flash accesses on LWMON board by using buffered writes
* * Patch by Martin Krause, 17 Jul 2003:wdenk2003-07-17-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | add delay to get I2C working with "imm" command and s3c24x0_i2c.c * Patch by Richard Woodruff, 17 July 03: - Fixed bug in OMAP1510 baud rate divisor settings. * Patch by Nye Liu, 16 July 2003: MPC860FADS fixes: - add MPC86xADS support (uses MPC86xADS.h) - add 866P/T core support (also MPC859T/MPC859DSL/MPC852T) o PLPRCR changes o BRG changes (EXTAL/XTAL restricted to 10MHz) o don't trust gclk() software measurement by default, depend on CONFIG_8xx_GCLK_FREQ - add DRAM SIMM not installed detection - use more "correct" SDRAM initialization sequence - allow different SDRAM sizes (8xxADS has 8M) - default DER is 0 - remove unused MAMR defines from FADS860T.h (all done in fads.c) - rename MAMR/MBMR defines to be more consistent. Should eventually be merged into MxMR to better reflect the PowerQUICC datasheet. * Patch by Yuli Barcohen, 16 Jul 2003: support new Motorola PQ2FADS-ZU evaluation board which replaced MPC8260ADS and MPC8266ADS
* * Code cleanup:wdenk2003-06-27-155/+125
| | | | | | | | | - remove trailing white space, trailing empty lines, C++ comments, etc. - split cmd_boot.c (separate cmd_bdinfo.c and cmd_load.c) * Patches by Kenneth Johansson, 25 Jun 2003: - major rework of command structure (work done mostly by Michal Cendrowski and Joakim Kristiansen)
* * Header file cleanup for ARMwdenk2003-06-25-0/+1
| | | | | | * Patch by Murray Jensen, 24 Jun 2003: - make sure to use only U-boot provided header files - fix problems with ".rodata.str1.4" section as used by GCC-3.x
* * Get (mostly) rid of CFG_MONITOR_LEN definition; compute real lengthwdenk2003-05-30-1/+1
| | | | | | | | instead CFG_MONITOR_LEN is now only used to determine _at_compile_ _time_ (!) if the environment is embedded within the U-Boot image, or in a separate flash sector. * Cleanup CFG_DER #defines in config files (wd maintained only)
* Initial revisionwdenk2002-11-03-0/+49
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* Initial revisionwdenk2002-10-25-0/+477
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* Initial revisionwdenk2002-08-17-0/+453
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* Initial revisionwdenk2002-07-20-0/+131
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* Initial revisionwdenk2002-03-08-0/+123
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