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* powerpc/85xx: Introduce CONFIG_SYS_EXTRA_ENV_RELOCKumar Gala2010-11-30-0/+11
| | | | | | | | | | | | | | | | | Some systems need to relocate the env_addr pointer early because the location it points to will get invalidated before env_relocate is called. One example is on systems that might use a L2 or L3 cache in SRAM mode and initialize that cache from SRAM mode back to being a cache in cpu_init_r. We set this on the 85xx boards that have support for NAND, SPI, or SDHC/MMC boot support as they use a secondary cache in SRAM mode and need the env_addr pointer relocated since we change from SRAM to normal cache mode in cpu_init_r. Also removed CONFIG_SYS_SPL as its not used anywhere. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
* Merge branch 'master' of git://git.denx.de/u-boot-shWolfgang Denk2010-11-30-13/+13
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| * sh: Fix build in start.SNobuhiro Iwamatsu2010-11-30-13/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | By commit 6d8962e814c15807dd6ac5757904be2a02d187b8, label of _start was not usable in start.S and build fail. This change label from _start to _sh_start. ---- arch/sh/cpu/sh4/libsh4.o: In function `_start': (.text+0x204): multiple definition of `_start' arch/sh/cpu/sh4/start.o:(.text+0x0): first defined here ---- Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
* | mpc83xx: Make it boot againJoakim Tjernlund2010-11-30-0/+8
|/ | | | | | | | | | | | | After the removal of COLD/WARM start flags my mpc8321 board didn't boot anymore. Trial and error suggests that map/remap_flash_by_xxx needs to wait after updating LBLAWAR1 to make sure the the change has reached the HW before continuing with the code that depends on it. Final fix suggested by Scott Wood. Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se> Acked-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
* ppc4xx: Flush complete dcache in relocate_code()Stefan Roese2010-11-28-6/+7
| | | | | | | | | When the cache is enabled in SDRAM we need to flush not only the global data area but also the bd_info struct in relocate_code. This patch now flushed the complete dcache (all dcache lines) via flush_dcache() instead of adding a flush_dcache_range() call for bd_info since this is faster. Signed-off-by: Stefan Roese <sr@denx.de>
* powerpc: cmd_ecctest: Use return value of cmd_usageThomas Weber2010-11-27-4/+2
| | | | | | | | Use the return value of cmd_usage instead of ignoring this and returning a 1. Signed-off-by: Thomas Weber <weber@corscience.de> Acked-by: Mike Frysinger <vapier@gentoo.org>
* 74xx_7xx: Cleanup for partial linking and --gc-sectionsWolfgang Denk2010-11-27-0/+91
| | | | | Signed-off-by: Wolfgang Denk <wd@denx.de> Acked-by: Stefan Roese <sr@denx.de>
* 8260: Cleanup for partial linking and --gc-sectionsWolfgang Denk2010-11-27-45/+11
| | | | | Signed-off-by: Wolfgang Denk <wd@denx.de> Acked-by: Stefan Roese <sr@denx.de>
* 824x: Cleanup for partial linking and --gc-sectionsWolfgang Denk2010-11-27-43/+10
| | | | | Signed-off-by: Wolfgang Denk <wd@denx.de> Acked-by: Stefan Roese <sr@denx.de>
* 8220: Cleanup for partial linking and --gc-sectionsWolfgang Denk2010-11-27-45/+11
| | | | | Signed-off-by: Wolfgang Denk <wd@denx.de> Acked-by: Stefan Roese <sr@denx.de>
* 5xxx: Cleanup for partial linking and --gc-sectionsWolfgang Denk2010-11-27-102/+43
| | | | | Signed-off-by: Wolfgang Denk <wd@denx.de> Acked-by: Stefan Roese <sr@denx.de>
* 512x: Cleanup for partial linking and --gc-sectionsWolfgang Denk2010-11-27-44/+10
| | | | | | | Signed-off-by: Wolfgang Denk <wd@denx.de> Cc: Anatolij Gustschin <agust@denx.de> Cc: Timur Tabi <timur@freescale.com> Acked-by: Stefan Roese <sr@denx.de>
* 5xx: Cleanup for partial linking and --gc-sectionsWolfgang Denk2010-11-27-53/+16
| | | | | Signed-off-by: Wolfgang Denk <wd@denx.de> Acked-by: Stefan Roese <sr@denx.de>
* 8xx: Cleanup for partial linking and --gc-sectionsWolfgang Denk2010-11-27-6/+6
| | | | | Signed-off-by: Wolfgang Denk <wd@denx.de> Acked-by: Stefan Roese <sr@denx.de>
* 86xx: Cleanup for partial linking and --gc-sectionsWolfgang Denk2010-11-27-36/+6
| | | | | | Signed-off-by: Wolfgang Denk <wd@denx.de> Cc: Kumar Gala <galak@kernel.crashing.org> Acked-by: Stefan Roese <sr@denx.de>
* 83xx: Cleanup for partial linking and --gc-sectionsWolfgang Denk2010-11-27-43/+10
| | | | | | Signed-off-by: Wolfgang Denk <wd@denx.de> Cc: Kim Phillips <kim.phillips@freescale.com> Cc: Haiying Wang <r54964@freescale.com>
* ppc4xx: Cleanup for partial linking and --gc-sectionsWolfgang Denk2010-11-27-43/+10
| | | | | | | | | | | | | | | | | This commit adapts 4xx boards for partial linking with --gc-sections. Signed-off-by: Stefan Roese <sr@denx.de> Signed-off-by: Wolfgang Denk <wd@denx.de> Cc: Stefan Roese <sr@denx.de> Cc: Tirumala Marri <tmarri@apm.com> Cc: David Updegraff <dave@cray.com> Cc: Matthias Fuchs <matthias.fuchs@esd-electronics.com> Cc: Dirk Eibach <eibach@gdsys.de> Cc: Larry Johnson <lrj@acm.org> Cc: Peter De Schrijver <p2@mind.be> Cc: Niklaus Giger <niklaus.giger@netstal.com> Cc: Daniel Poirot <dan.poirot@windriver.com> Acked-by: Stefan Roese <sr@denx.de>
* POWERPC: enable --gc-sections and -ffunction-sections -fdata-sectionsWolfgang Denk2010-11-27-6/+2
| | | | | | | | | | | | | | | | | | | | | | | | | The switch from archive libraries to partial linking has introduced a number of problems, that are non-trivial to solve. For example, it is no longer possible to include individual object files in the linker script as we did before for example in the case of boards with embedded environment to fill up the gap caused by the need to align the environment on flash erase block boundaries. The best (but unfortunately not easiest) approach to address this problem is to enable -ffunction-sections (and -fdata-sections) so we can again (and even in much finer granularity) place certain code where we want it. When doing this step, it seems only consequent to also add --gc-sections which has the added benefit of reducing the memory footprint of the U-Boot image (both in flash and in RAM). Unfortunately, this requires changes to a lot of linker scripts. Signed-off-by: Wolfgang Denk <wd@denx.de> Cc: Stefan Roese <sr@denx.de> Cc: Kim Phillips <kim.phillips@freescale.com> Cc: Andy Fleming <afleming@gmail.com> Cc: Kumar Gala <galak@kernel.crashing.org> Acked-by: Stefan Roese <sr@denx.de>
* arch/powerpc/*/config.mk: make CONFIG_SYS_LDSCRIPT settings workWolfgang Denk2010-11-26-50/+20
| | | | | | | | | | | | | | | | | | | | | | | | | As we try to get rid of board specific config.mk files we must provide a way for board specific settings of the LDSCRIPT variable (path to the linker script) where needed. We now implement the following hierarchy: - Highest priority has a "#define CONFIG_SYS_LDCONFIG" in the board config file. - If CONFIG_SYS_LDCONFIG is not set, and the system is booting from NAND (CONFIG_NAND_SPL is set), then a board specific linker script board/$(BOARDDIR)/u-boot-nand.lds gets used. - If we are not booting from NAND, we test if a processor specific linker script arch/powerpc/cpu/$(CPU)/u-boot.lds exists; if so we use that. - As default, arch/powerpc/config.mk gets used. Signed-off-by: Wolfgang Denk <wd@denx.de> Cc: Stefan Roese <sr@denx.de> Cc: Kim Phillips <kim.phillips@freescale.com> Cc: Kumar Gala <kumar.gala@freescale.com> Cc: Andy Fleming <afleming@gmail.com> Acked-by: Stefan Roese <sr@denx.de>
* cpu/ppc4xx/Makefile: build only needed object filesWolfgang Denk2010-11-26-22/+10
| | | | | | Signed-off-by: Wolfgang Denk <wd@denx.de> Cc: Stefan Roese <sr@denx.de> Acked-by: Stefan Roese <sr@denx.de>
* WINBOND_83C553: enable only on boards that actually use it.Wolfgang Denk2010-11-26-1/+1
| | | | | | | | | | | | | | | | | | | | So far, only the BAB7xx board would call the initialise_w83c553f() function for the WINBOND 83C553 chip, even though some other boards (HIDDEN_DRAGON, Sandpoint8240, Sandpoint8245) enabled it in their board configuration. These boards were also missing other config settings needed for that, which resulted in build errors like this: drivers/pci/libpci.o:(.got2+0x84): undefined reference to `ide_bus_offset' Switch arch/powerpc/lib/board.c to call initialise_w83c553f() not on a per-board base, but when a WINBOND_83C553 in enabled in a configuration (like BAB7xx), and disable it in the boards that had this set so far. Signed-off-by: Wolfgang Denk <wd@denx.de> Cc: Yusdi Santoso <yusdi_santoso@adaptec.com> Cc: Jim Thompson <jim@musenki.com> Acked-by: Stefan Roese <sr@denx.de>
* Merge branch 'master' of git://git.denx.de/u-boot-armWolfgang Denk2010-11-26-701/+800
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| * arm1176: bugfix: fix start.S for ELF relocationAlbert Aribaud2010-11-26-34/+13
| | | | | | | | | | | | | | The start.S file was only half-rewritten for ELF relocations. This bugfix completes the rewrite. Signed-off-by: Albert Aribaud <albert.aribaud@free.fr>
| * arm: add ELF relocation support to rest of cpusAlbert Aribaud2010-11-26-666/+785
| | | | | | | | | | | | | | | | bulk addition of ELF relocation support to ARM cpus arm946es, arm720t,arm920t, arm925t, arm_intcm, ixp, lh7a40x, s3c44b0, and sa1100. Signed-off-by: Albert Aribaud <albert.aribaud@free.fr>
| * omap4: board: change global data pointer to file scopeNishanth Menon2010-11-19-1/+2
| | | | | | | | | | | | | | | | | | | | DECLARE_GLOBAL_DATA_PTR is currently defined within the scope of function while it is a global pointer. Change the scope of definition to replicate it's global scope. This seems to help gcc 4.5 optimizations as well. Signed-off-by: Nishanth Menon <nm@ti.com> Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
* | Blackfin: drop initcode.o from combined objectMike Frysinger2010-11-19-4/+0
| | | | | | | | | | | | | | | | | | We explicitly link in the initcode.o in the Blackfin linker script, so there is no need to merge it into the main common object for the linker to pull in itself. This also fixes duplicate symbol errors with the new partial linking logic. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* | Merge branch 'master' of git://git.denx.de/u-boot-i2cWolfgang Denk2010-11-19-0/+43
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| * | i2c, mpc5xxx: add multibus supportHeiko Schocher2010-11-17-0/+43
| | | | | | | | | | | | | | | | | | Tested on upcoming hydra (mpc5200 based) board. Signed-off-by: Heiko Schocher <hs@denx.de>
* | | Blackfin: make sure bss len is multiple of 4 bytesMike Frysinger2010-11-18-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The Blackfin on-chip BootROM requires that fill operations (which is used for the bss) be aligned to 4 bytes (base addr and total len). Plus, the Blackfin early init asm code assumes the same thing. So rather than making things work for no real gain, make sure the bss len is padded to 4 bytes in the linker script. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* | | Blackfin: stick ins/outs funcs into their own .text sectionMike Frysinger2010-11-18-0/+5
| |/ |/| | | | | | | | | | | This lets the linker garbage collect these functions when they aren't actually used by placing them into the standard .text.<func> section. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* | Switch from archive libraries to partial linkingSebastien Carlier2010-11-17-181/+181
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* | Merge branch 'master' of git://git.denx.de/u-boot-armWolfgang Denk2010-11-17-122/+154
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| * ARM: fix linker file for newer ld supportAlbert Aribaud2010-11-17-121/+105
| | | | | | | | | | | | | | | | | | older ld emitted all ELF relocations in input sections named .rel.dyn, whereas newer ld uses names of the form .rel*. The linker script only collected .rel.dyn input sections. Rewrite to collect all .rel* input sections. Signed-off-by: Albert Aribaud <albert.aribaud@free.fr>
| * Merge branch 'master' of git://git.denx.de/u-boot-tiWolfgang Denk2010-11-13-1/+8
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| | * armv7, beagle: Second SDRAM bank don;t workHeiko Schocher2010-11-04-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | since commit 3667cbeed5e3c4067e624e52a916b1ebb02c8f05 on beagle board the second sdram bank didn;t longer work. Since this patch sdram settings just get copied from bank a, but CMD_NOP, CMD_PRECHARGE, CMD_AUTOREFRESH are not executed and after that mr register is also not updated. This patch adds this for the bank b. Signed-off-by: Heiko Schocher <hs@denx.de> cc: Steve Sakoman <steve@sakoman.com> cc: Sandeep Paulraj <s-paulraj@ti.com> cc: Wolfgang Denk <wd@denx.de> Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
| | * ARMV7: Fix build for non-OMAP3 boardsSteve Sakoman2010-11-04-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit c3d3a54 uses CONFIG_ARMV7 to determine whether to call the v7_flush_cache_all function. This breaks the build for all non-OMAP3 boards (like Panda and OMAP4430SDP) since there is only a v7_flush_cache_all implementation for OMAP3. This patch uses CONFIG_OMAP3XXX instead of CONFIG_ARMV7 so that only boards with a v7_flush_cache_all will make the call. Tested on Beagle, Overo, Panda, and OMAP4430SDP Signed-off-by: Steve Sakoman <steve.sakoman@linaro.org> Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
| * | AT91: add header file for the Shutdown ControllerReinhard Meyer2010-11-02-0/+39
| | | | | | | | | | | | | | | | | | and SHDWN address entry in at91sam9260.h Signed-off-by: Reinhard Meyer <u-boot@emk-elektronik.de>
| * | AT91: add 2nd SPI to 9260/9XE/9G20Reinhard Meyer2010-10-30-0/+2
| |/ | | | | | | Signed-off-by: Reinhard Meyer <u-boot@emk-elektronik.de>
* | PowerPC: Don't destroy fixup table while doing fixupsJoakim Tjernlund2010-11-14-12/+12
| | | | | | | | | | | | | | | | | | The fixup procedure just stored a constant value in the fixup table rather than just adjusting the table. Although that doesn't seem to do any harm, it prevents relocation more that once. Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
* | powerpc/85xx: rename CONFIG_SYS_TEXT_BASE to CONFIG_SYS_MONITOR_BASEHaiying Wang2010-11-11-9/+9
| | | | | | | | | | | | | | | | | | Use CONFIG_SYS_MONITOR_BASE instead of CONFIG_SYS_TEXT_BASE in early init code so we can share the same code with NAND or NOR boot and not have additional ifdefs in here. Signed-off-by: Haiying Wang <Haiying.Wang@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
* | powerpc/85xx: Fix lds for nand buildHaiying Wang2010-11-11-46/+15
|/ | | | | | | | | | | | Fix u-boot-nand.lds and u-boot-nand_spl.lds according to: Author: Peter Tyser <ptyser@xes-inc.com> Date: Wed Sep 29 14:05:56 2010 -0500 commit fbe53f59bd40b3b1ab66dc98859e26589d64d1b7 85xx: Use gc-sections to reduce image size Signed-off-by: Haiying Wang <Haiying.Wang@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
* Merge branch 'master' of git://git.denx.de/u-boot-marvellWolfgang Denk2010-10-29-0/+10
|\ | | | | | | | | | | | | Conflicts: include/configs/km_arm.h Signed-off-by: Wolfgang Denk <wd@denx.de>
| * Kirkwood: bugfix: DRAM size initializationTanmay Upadhyay2010-10-28-0/+10
| | | | | | | | | | | | | | | | | | If start of any DRAM bank is greater than total DDR size, remaining DDR banks' start address & size were left un-initialized in dram_init function. This could break other functions who uses array 'gd->bd->bi_dram'. Kirkwood network driver is one example. This also stops Linux kernel from booting. v2 - Set start address also to 0. Without this Linux kernel couldn't boot up Signed-off-by: Tanmay Upadhyay <tanmay.upadhyay@einfochips.com>
* | Merge branch 'master' of git://git.denx.de/u-boot-imxWolfgang Denk2010-10-29-85/+15
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| * | mx51evk: support new relocation schemeShawn Guo2010-10-28-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch is to fix build breakage and support new relocation scheme for mx51evk. - Correct IRAM base address and add size definition The IRAM starts from 0x1FFE0000 on final revsion i.mx51 than 0x1FFE8000 which is for older revision. - Include imx-regs.h in mx51evk.h Definitions like CSD0_BASE_ADDR and IRAM_BASE_ADDR can be referred to. - Define CONFIG_SYS_INIT_RAM_ADDR and CONFIG_SYS_INIT_RAM_SIZE They are used to define init RAM layout. - Remove comment for CONFIG_SYS_GBL_DATA_SIZE which has been buried by Wolfgang's commit below 25ddd1fb: Replace CONFIG_SYS_GBL_DATA_SIZE by auto-generated value Signed-off-by: Shawn Guo <shawn.gsc@gmail.com>
| * | MX51: remove warning in clock.cStefano Babic2010-10-28-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The patch removes the warning: clock.c:291: warning: initialization from incompatible pointer type after constification of args[] Signed-off-by: Stefano Babic <sbabic@denx.de>
| * | imx25: Fix resetMatthias Weisser2010-10-28-10/+12
| | | | | | | | | | | | | | | | | | | | | | | | This patch fixes the reset command on imx25. The watchdog registers are 16 bits in size and not 32. This patch also adds the service register codes as constants. Signed-off-by: Matthias Weisser <weisserm@arcor.de>
| * | MX5:use common u-boot.lds of cpu layerJason Liu2010-10-28-73/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Remove u-boot.lds from mx5 and use the common u-boot.lds of cpu layer. This patch also fix the building errors: arch/arm/cpu/armv7/start.o: In function `_rel_dyn_start_ofs': arch/arm/cpu/armv7/start.S:283: undefined reference to `__rel_dyn_start' arch/arm/cpu/armv7/start.o: In function `_rel_dyn_end_ofs': arch/arm/cpu/armv7/start.S:283: undefined reference to `__rel_dyn_end' arch/arm/cpu/armv7/start.o: In function `_dynsym_start_ofs': arch/arm/cpu/armv7/start.S:283: undefined reference to `__dynsym_start' Signed-off-by: Jason Liu <r64343@freescale.com>
* | | Merge branch 'master' of git://git.denx.de/u-boot-samsungWolfgang Denk2010-10-29-328/+598
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| * | | Add generic support for samsung s3c2440C Nauman2010-10-28-324/+586
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds generic support for the Samsung s3c2440 processor. Global s3c24x0 changes to struct members converting from upper case to lower case. Signed-off-by: Craig Nauman <cnauman@diagraph.com> Cc: kevin.morfitt@fearnside-systems.co.uk Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
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