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* Replace __bss_end__ with __bss_endSimon Glass2013-03-15-2/+2
| | | | | | | | | | | | | 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 Vasut2012-10-22-12/+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 Thus the __u_boot_cmd section is now superseded and redundant and therefore can be removed.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/+20
| | | | | | | | | | 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>
* board/kup/kup4k/kup4k.c: Fix GCC 4.6 build warningWolfgang Denk2011-11-07-2/+1
| | | | | | | | | | Fix: kup4k.c: In function 'initdram': kup4k.c:155:19: warning: variable 'mod' set but not used [-Wunused-but-set-variable] Signed-off-by: Wolfgang Denk <wd@denx.de> Cc: Klaus Heydeck <heydeck@kieback-peter.de>
* board/kup/common/pcmcia.c: Fix GCC 4.6 compiler warningsWolfgang Denk2011-11-07-23/+19
| | | | | | | | | | | | | Fix: ../common/pcmcia.c: In function 'pcmcia_hardware_enable': ../common/pcmcia.c:23:20: warning: variable 'immap' set but not used [-Wunused-but-set-variable] ../common/pcmcia.c: In function 'pcmcia_voltage_set': ../common/pcmcia.c:152:20: warning: variable 'immap' set but not used [-Wunused-but-set-variable] Signed-off-by: Wolfgang Denk <wd@denx.de> Cc: Klaus Heydeck <heydeck@kieback-peter.de>
* powerpc, 8xx: Fixup all 8xx u-boot.lds scriptsJoakim Tjernlund2011-04-20-4/+6
| | | | | | | 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 Chuang2011-03-27-4/+4
| | | | | | | 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 Denk2010-11-27-116/+24
| | | | | Signed-off-by: Wolfgang Denk <wd@denx.de> Acked-by: Stefan Roese <sr@denx.de>
* Switch from archive libraries to partial linkingSebastien Carlier2010-11-17-6/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | 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 Denk2010-10-18-56/+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>
* 8xx, kup4k/kup4x: add FDT supportHeiko Schocher2010-08-09-0/+11
| | | | Signed-off-by: Heiko Schocher <hs@denx.de>
* 8xx, kup4k/kup4x: configuration changes, code cleanupHeiko Schocher2010-08-09-675/+301
| | | | | | | | | | | | - nfs-options removed - hda->sda changed - mtd parts added - loadaddress changed - cmd-line length increased - lcd stuff removed - code cleanup (use I/O accessors etc.) Signed-off-by: Klaus Heydeck <heydeck@kieback-peter.de>
* Rename getenv_r() into getenv_f()Wolfgang Denk2010-08-04-2/+2
| | | | | | | | | | | | | | | | | | | While running from flash, i. e. before relocation, we have only a limited C runtime environment without writable data segment. In this phase, some configurations (for example with environment in EEPROM) must not use the normal getenv(), but a special function. This function had been called getenv_r(), with the idea that the "_r" suffix would mean the same as in the _r_eentrant versions of some of the C library functions (for example getdate vs. getdate_r, getgrent vs. getgrent_r, etc.). Unfortunately this was a misleading name, as in U-Boot the "_r" generally means "running from RAM", i. e. _after_ relocation. To avoid confusion, rename into getenv_f() [as "running from flash"] Signed-off-by: Wolfgang Denk <wd@denx.de> Acked-by: Detlev Zundel <dzu@denx.de>
* Move arch/ppc to arch/powerpcStefan Roese2010-04-21-8/+8
| | | | | | | | | | | | | | | | | 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 Tyser2010-04-13-6/+6
| | | | Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
* Rename lib_generic/ to lib/Peter Tyser2010-04-13-10/+10
| | | | | | | | 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>
* Move lib_$ARCH directories to arch/$ARCH/libPeter Tyser2010-04-13-2/+2
| | | | | | | | | 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>
* POST: Remove duplicated post_hotkey_pressed() functionsStefan Roese2009-12-07-11/+0
| | | | | | | | | | | | | This patch introduces a weak default function for post_hotkey_pressed(), returning 0, for boards without hotkey support. The long-running tests won't be started on those boards. This default function was implemented in many board directories. By implementing this weak default we can remove all those duplicate versions. Boards with hotkey support, can override this weak default function by defining one in their board specific code. Signed-off-by: Stefan Roese <sr@denx.de>
* ppc: Enable full relocation to RAMPeter Tyser2009-10-03-4/+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 Piepho2009-03-20-6/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* boards: get mac address from env and move load_sernum_ethaddr() to board initMike Frysinger2009-03-20-1/+4
| | | | | | | | | | | | | | | | | | | The environment is the canonical storage location of the mac address, so we're killing off the global data location and moving everything to querying the env directly. Rather than have common ppc code call a board-specific function like load_sernum_ethaddr(), have each board call it in its own board-specific misc_init_r() function. The boards that get converted here are: - kup4k/kup4x - pcs440ep - tqm8xx Signed-off-by: Mike Frysinger <vapier@gentoo.org> CC: Ben Warren <biggerbadderben@gmail.com> CC: Stefan Roese <sr@denx.de>
* Align end of bss by 4 bytesSelvamuthukumar2008-11-18-0/+2
| | | | | | | | | | 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-VILLARD2008-10-18-58/+58
| | | | Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
* rename CFG_ENV macros to CONFIG_ENVJean-Christophe PLAGNIOL-VILLARD2008-09-10-4/+4
| | | | Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
* rename CFG_ENV_IS_IN_FLASH in CONFIG_ENV_IS_IN_FLASHJean-Christophe PLAGNIOL-VILLARD2008-09-10-1/+1
| | | | Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
* rename environment.c in env_embedded.c to reflect is functionalityJean-Christophe PLAGNIOL-VILLARD2008-09-10-4/+4
| | | | Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
* Change initdram() return type to phys_size_tBecky Bruce2008-06-12-2/+2
| | | | | | | | | | | | | | | | | | | 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 Denk2008-05-21-17/+17
| | | | | | | | | | | 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 Wessel2008-04-17-4/+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 Denk2008-01-12-2/+2
| | | | | | | | | | | | | | | | | | | 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>
* board/[j-z]*: Remove lingering references to CFG_CMD_* symbols.Jon Loeliger2007-07-10-1/+1
| | | | | | | | Fixed some broken instances of "#ifdef CMD_CFG_IDE" too. Those always evaluated TRUE, and thus were always compiled even when IDE really wasn't defined/wanted. Signed-off-by: Jon Loeliger <jdl@freescale.com>
* board/[f-l]*: Remove obsolete references to CONFIG_COMMANDSJon Loeliger2007-07-09-3/+3
| | | | Signed-off-by: Jon Loeliger <jdl@freescale.com>
* board/[k-z]*: Augment CONFIG_COMMANDS tests with defined(CONFIG_CMD_*).Jon Loeliger2007-07-04-3/+3
| | | | | | | | | | | | | | This is a compatibility step that allows both the older form and the new form to co-exist for a while until the older can be removed entirely. All transformations are of the form: Before: #if (CONFIG_COMMANDS & CFG_CMD_AUTOSCRIPT) After: #if (CONFIG_COMMANDS & CFG_CMD_AUTOSCRIPT) || defined(CONFIG_CMD_AUTOSCRIPT) Signed-off-by: Jon Loeliger <jdl@freescale.com>
* Move "ar" flags to config.mk to allow for silent "make -s"Wolfgang Denk2006-10-09-3/+3
| | | | Based on patch by Mike Frysinger, 20 Jun 2006
* Add support for a saving build objects in a separate directory.Marian Balakowicz2006-09-01-21/+39
| | | | | | | | | | | | | | | | | | | | | 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.
* Major PCMCIA Cleanup to make code better readable and maintainable.Wolfgang Denk2006-07-10-2/+227
| | | | | | | | | | | Notes: - Board-dependend code for RPXLITE and RPXCLASSIC-based boards placed to the drivers/rpx_pmcia.c file to avoid duplication. Same for TQM8xx-based boards (drivers/tqm8xx_pmcia.c). - drivers/i82365.c has been split into two parts located at board/atc/ti113x.c and board/cpc45/pd67290.c (ATC and CPC45 are the only boards using CONFIG_82365). - Changes were tested for clean build and *very* *few* boards.
* GCC-4.x fixes: clean up global data pointer initialization for all boards.Wolfgang Denk2006-03-31-58/+2
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* (no commit message)Wolfgang Denk2005-12-12-0/+6
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* Cleanup for GCC-4.xWolfgang Denk2005-10-13-8/+8
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* Fix problems with ld version 2.16 (dot outside sections problem)Wolfgang Denk2005-08-31-0/+4
| | | | | Pointed out by Gerhard Jaeger, 31 Aug 2005; cf. http://sourceware.org/ml/binutils/2005-08/msg00412.html
* Patch by Klaus Heydeck, 12 May 2004:wdenk2004-05-12-7/+113
| | | | | | Using external watchdog for KUP4 boards in mpc8xx/cpu.c; load_sernum_ethaddr() for KUP4 boards in lib_ppc/board.c; various changes to KUP4 board specific files
* * Fix minor NAND JFFS2 related issuewdenk2004-05-03-2/+3
| | | | | | | | | * Fixes for SL811 USB controller: - implement workaround for broken memory stick - improve error handling * Increase packet send timeout to 10 ms in cpu/mpc8xx/scc.c to better cope with congested networks.
* * Modify KUP4X board configuration to use SL811 driver for USB memorywdenk2004-04-23-82/+1
| | | | | | | | | | | | | | | sticks (including FAT / VFAT filesystem support) * Add SL811 Host Controller Interface driver for USB * Add CFG_I2C_EEPROM_ADDR_OVERFLOW desription to README * Patch by Pantelis Antoniou, 19 Apr 2004: Allow to use shell style syntax (i. e. ${var} ) with standard parser. Minor patches for Intracom boards. * Patch by Christian Pell, 19 Apr 2004: cleanup support for CF/IDE on PCMCIA for PXA25X
* * Patch by Klaus Heydeck, 13 Mar 2003:wdenk2004-03-25-0/+2383
Add support for KUP4X Board
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