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* Generic udelay() with watchdog supportIngo van Lil2009-12-05-3/+3
| | | | | | | | | | | | | According to the PPC reference implementation the udelay() function is responsible for resetting the watchdog timer as frequently as needed. Most other architectures do not meet that requirement, so long-running operations might result in a watchdog reset. This patch adds a generic udelay() function which takes care of resetting the watchdog before calling an architecture-specific __udelay(). Signed-off-by: Ingo van Lil <inguin@gmx.de>
* arm: Remove -fno-strict-aliasingKumar Gala2009-09-04-2/+1
| | | | | | -fno-strict-aliasing is hidding warnings. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
* ARM: compiler options cleanup - improve tool chain supportWolfgang Denk2009-08-21-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For some time there have been repeated reports about build problems with some ARM (cross) tool chains. Especially issues about (in)compatibility with the tool chain provided runtime support library libgcc.a caused to add and support a private implementation of such runtime support code in U-Boot. A closer look at the code indicated that some of these issues are actually home-made. This patch attempts to clean up some of the most obvious problems and make building of U-Boot with different tool chains easier: - Even though all ARM systems basicy used the same compiler options to select a specific ABI from the tool chain, the code for this was distributed over all cpu/*/config.mk files. We move this one level up into lib_arm/config.mk instead. - So far, we only checked if "-mapcs-32" was supported by the tool chain; if yes, this was used, if not, "-mabi=apcs-gnu" was selected, no matter if the tool chain actually understood this option. There was no support for EABI conformant tool chains. This patch implements the following logic: 1) If the tool chain supports "-mabi=aapcs-linux -mno-thumb-interwork" we use these options (EABI conformant tool chain). 2) Otherwise, we check first if "-mapcs-32" is supported, and then check for "-mabi=apcs-gnu" If one test succeeds, we use the first found option. 3) In case 2), we also test if "-mno-thumb-interwork", and use this if the test succeeds. [For "-mabi=aapcs-linux" we set "-mno-thumb-interwork" mandatorily.] This way we use a similar logic for the compile options as the Linux kernel does. - Some EABI conformant tool chains cause external references to utility functions like raise(); such functions are provided in the new file lib_arm/eabi_compat.c Note that lib_arm/config.mk gets parsed several times, so we must make sure to add eabi_compat.o only once to the linker list. Signed-off-by: Wolfgang Denk <wd@denx.de> Cc: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Cc: Dirk Behme <dirk.behme@googlemail.com> Cc: Magnus Lilja <lilja.magnus@gmail.com> Cc: Tom Rix <Tom.Rix@windriver.com> Cc: Prafulla Wadaskar <prafulla@marvell.com> Acked-by: Sergey Kubushyn <ksi@koi8.net> Tested-by: Magnus Lilja <lilja.magnus@gmail.com> Tested-by: Andrzej Wolski <awolski@poczta.fm> Tested-by: Gaye Abdoulaye Walsimou <walsimou@walsimou.com> Tested-by: Tom Rix <Tom.Rix@windriver.com> Tested-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
* Dual-license IBM code contributionsJosh Boyer2009-08-09-0/+2
| | | | | | | | | | | | | It was brought to our attention that U-Boot contains code derived from the IBM OpenBIOS source code originally provided with some of the older PowerPC 4xx development boards. As a result, the original license of this code has been carried in the various files for a number of years in the U-Boot project. IBM is dual-licensing the IBM code contributions already present in U-Boot under either the terms of the GNU General Public License version 2, or the original code license already present. Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* unify HOST_CFLAGS and HOSTCFLAGSMike Frysinger2009-07-23-1/+1
| | | | | | | | The top build system sets up HOSTCFLAGS a bit and exports it, but other places use HOST_CFLAGS instead. Unify the two as HOSTCFLAGS so that the values stay in sync. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* arm: remove cpu_initJean-Christophe PLAGNIOL-VILLARD2009-06-12-5/+0
| | | | | | move s3c44b0 to arch_cpu_init and as noone use cpu_init remove it Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
* arm: unify interrupt initJean-Christophe PLAGNIOL-VILLARD2009-06-12-13/+1
| | | | | | | all arm init the IRQ stack the same way so unify it in lib_arm/interrupts.c and then call arch specific interrupt init Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
* arm: unify linker scriptJean-Christophe PLAGNIOL-VILLARD2009-06-12-0/+56
| | | | | | | | | | | | all arm boards except a few use the same cpu linker script so move it to cpu/$(CPU) that could be overwrite in following order SOC BOARD via the corresponding config.mk Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
* arm: timer and interrupt init reworkJean-Christophe PLAGNIOL-VILLARD2009-06-12-49/+66
| | | | | | | | | | | | | | actually the timer init use the interrupt_init as init callback which make the interrupt and timer implementation difficult to follow so now rename it as int timer_init(void) and use interrupt_init for interrupt btw also remane the corresponding file to the functionnality implemented as ixp arch implement two timer - one based on interrupt - so all the timer related code is moved to timer.c Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
* ixp/interrupts: Move conditional compilation to MakefileJean-Christophe PLAGNIOL-VILLARD2009-06-12-9/+2
| | | | Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
* Replace __asm references with __asm__Peter Tyser2009-04-28-1/+1
| | | | | | | | __asm__ follows gcc's documented syntax and is generally more common than __asm. This change is only asthetic and should not affect functionality. Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
* arm: unify reset commandJean-Christophe PLAGNIOL-VILLARD2009-04-05-12/+0
| | | | Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
* arm: clean cache managementJean-Christophe PLAGNIOL-VILLARD2009-04-05-54/+10
| | | | | | unify arm cache management except for non standard cache as ARM7TDMI Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
* arm: update co-processor 15 accessJean-Christophe PLAGNIOL-VILLARD2009-04-05-30/+23
| | | | | | import system.h from linux Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
* npe: get mac address from environmentMike Frysinger2009-03-20-25/+11
| | | | | | | | | | | | 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. The resulting code can also be simplified even further. Signed-off-by: Mike Frysinger <vapier@gentoo.org> CC: Stefan Roese <sr@denx.de> CC: Ben Warren <biggerbadderben@gmail.com>
* ixp: move serial to drivers/serialJean-Christophe PLAGNIOL-VILLARD2009-01-31-126/+0
| | | | Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
* ixp: move pci init in arm/board instead of cpuJean-Christophe PLAGNIOL-VILLARD2009-01-31-3/+0
| | | | Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
* ixp: move pci drivers to drivers/pciJean-Christophe PLAGNIOL-VILLARD2009-01-31-572/+0
| | | | Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
* ixp: Move conditional compilation to MakefileJean-Christophe PLAGNIOL-VILLARD2009-01-31-10/+10
| | | | Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
* ixp: add missing os defineJean-Christophe PLAGNIOL-VILLARD2009-01-31-1/+1
| | | | | | need by arm-elf toolchains and no impact on the arm-linux one Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
* ixp: remove the option to include the MicrocodeJean-Christophe PLAGNIOL-VILLARD2009-01-31-13/+8
| | | | | | | instead the board will have to load it from flash or ram which will be specified by npe_ucode env var Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
* ixp/npe: Move conditional compilation to MakefileJean-Christophe PLAGNIOL-VILLARD2009-01-30-10/+6
| | | | Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
* Moved initialization of IXP4XX_NPE Ethernet controller to cpu_eth_init()Ben Warren2008-11-09-0/+9
| | | | | | Also, removed the driver initialization from net/eth.c Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
* Consolidate MAX/MIN definitionsAndy Fleming2008-11-02-2/+0
| | | | | | | There were several, now there is one (two if you count the lower-case versions). Signed-off-by: Andy Fleming <afleming@freescale.com>
* Cleanup: fix "MHz" spellingWolfgang Denk2008-10-21-1/+1
| | | | Signed-off-by: Wolfgang Denk <wd@denx.de>
* rename CFG_ macros to CONFIG_SYSJean-Christophe PLAGNIOL-VILLARD2008-10-18-32/+32
| | | | Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
* Fix some more printf() format issues.Wolfgang Denk2008-07-13-1/+1
| | | | Signed-off-by: Wolfgang Denk <wd@denx.de>
* Big white-space cleanup.Wolfgang Denk2008-05-21-78/+78
| | | | | | | | | | | 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>
* ARM: cleanup duplicated exception handlingcodeAndreas Engel2008-02-14-128/+4
| | | | | | Move duplicated exception handling code into lib_arm. Signed-off-by: Andreas Engel <andreas.engel@ericsson.com>
* IXP: enable RTSMichael Schwingen2008-01-18-1/+5
| | | | | | | | | enables the RTS signal with CONFIG_SERIAL_RTS_ACTIVE. No handshaking is done, but the active RTS signal allows to connect to the target using a PC which is using RTS/CTS handshake, and does no harm if the PC is set to ignore RTS. Signed-off-by: Michael Schwingen <michael@schwingen.org>
* IXP: add dynamic microcode addrJean-Christophe PLAGNIOL-VILLARD2008-01-18-8/+17
| | | | | | | | allow to load the microde from flash or ram by download it through the serial or other. Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Acked-by: Stefan Roese <sr@denx.de>
* load ixp42x NPE firmware from separate flash block, remove dead codeMichael Schwingen2008-01-18-37/+11
| | | | | | | | | | | | | | | Hi, the following patch adds support to move the IXP42X NPE firmware to a separate flash block, whose start address is defined in CONFIG_IXP4XX_NPE_EXT_UCODE_BASE. Using that, it is possible to build NPE-enabled u-boot without copyright problems due to the NPE firmware. I hope the patch applies, I get whitespace-related differences in the NPE files due to trailing whitespace in the original versions. Signed-off-by: Michael Schwingen <michael@schwingen.org> Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
* Fix Ethernet init() return codesBen Warren2008-01-10-4/+4
| | | | | | | | | | | | | | | | | | Change return values of init() functions in all Ethernet drivers to conform to the following: >=0: Success <0: Failure All drivers going forward should return 0 on success. Current drivers that return 1 on success were left as-is to minimize changes. Signed-off-by: Ben Warren <biggerbadderben@gmail.com> Acked-by: Stefan Roese <sr@denx.de> Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Acked-by: Kim Phillips <kim.phillips@freescale.com> Acked-by: Haavard Skinnemoen <hskinnemoen@atmel.com> Acked-By: Timur Tabi <timur@freescale.com>
* Coding Style clenaup; update CHANGELOGWolfgang Denk2008-01-09-2/+2
| | | | Signed-off-by: Wolfgang Denk <wd@denx.de>
* IXP: Add full baud-rate support for ixp42x, ixp45x and ixp46xJean-Christophe PLAGNIOL-VILLARD2008-01-09-14/+10
| | | | Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
* cpu/[7a-ln-z]*: Remove obsolete references to CONFIG_COMMANDSJon Loeliger2007-07-09-2/+2
| | | | Signed-off-by: Jon Loeliger <jdl@freescale.com>
* cpu/ non-mpc*: Augment CONFIG_COMMANDS tests with defined(CONFIG_CMD_*).Jon Loeliger2007-07-04-2/+2
| | | | | | | | | | | | | | 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>
* Remove BOARDLIBS usage completelyStefan Roese2007-04-23-1/+1
| | | | Signed-off-by: Stefan Roese <sr@denx.de>
* Move "ar" flags to config.mk to allow for silent "make -s"Wolfgang Denk2006-10-09-2/+2
| | | | Based on patch by Mike Frysinger, 20 Jun 2006
* Add support for a saving build objects in a separate directory.Marian Balakowicz2006-09-01-14/+27
| | | | | | | | | | | | | | | | | | | | | 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.
* Fix IxEthDB.h to compile againStefan Roese2006-06-14-2/+2
| | | | Patch by Stefan Roese, 14 Jun 2006
* Minor cleanup.Wolfgang Denk2006-05-30-2590/+74
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* * Update Intel IXP4xx supportWolfgang Denk2006-05-30-15/+72222
| | | | | | | | | | | - Add IXP4xx NPE ethernet MAC support - Add support for Intel IXDPG425 board - Add support for Prodrive PDNB3 board - Add IRQ support Patch by Stefan Roese, 23 May 2006 [This patch does not include cpu/ixp/npe/IxNpeMicrocode.c which still sufferes from licensing issues. Blame Intel.]
* GCC-4.x fixes: clean up global data pointer initialization for all boards.Wolfgang Denk2006-03-31-4/+6
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* Update ARM Integrator boards:Wolfgang Denk2005-10-04-1/+0
| | | | | | | Correct addessing errors in platform files. Split off common core module data from Integrator header files to include/armcoremodule.h. Patch by Peter Pearse, 04 Oct 2005
* Make sure only supported compiler options are usedWolfgang Denk2005-10-04-2/+10
| | | | | | Import "cc-option" shell function from kernel and use it to get the correct ARM GCC options for individual CPUs Patch by Peter Pearse, 30 Jun 2005
* Fix warnings for PCI code on ixpWolfgang Denk2005-09-25-43/+2
| | | | Patch by Joe <lgxue@yahoo.com>, 13 Jan 2005
* Patch by Steven Scholz, 4 Apr 2005:wdenk2005-04-04-0/+2
| | | | | | - remove all references to CONFIG_INIT_CRITICAL for ARM based boards - introduce two new configuration options instead: CONFIG_SKIP_LOWLEVEL_INIT and CONFIG_SKIP_RELOCATE_UBOOT
* Patch by Steven Scholz, 25 Oct 2004:wdenk2005-04-03-4/+0
| | | | Declare reset_cpu() in include/common.h instead locally
* * Some Cleanup.wdenk2005-01-12-10/+13
| | | | | | | | | | | | | | * Patch by Richard Woodruff, 10 Jan 2005: Update support for OMAP2420 (ARM11) and H4 board: o clean up and add new types to H4 memory probe code. o fix to work with internal boot. o added PRCM config III operation. o fix marginal flash timings. o add revison ATAG usage. o enable voltage scaling at power chip. o fix compile error for i2c. * Fix network problem (error when receiving multiple ARP packets)
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