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* x86: Use loops instead of memcpy/memset in board_init_fGraeme Russ2010-10-07-1/+2
| | | | | | | Provides a small speed increase and prepares for fully relocatable image. Downside is the TEXT_BASE, bss, load address etc must ALL be aligned on a a 4-byte boundary which is not such a terrible restriction as everything is already 4-byte aligned anyway
* x86: Rearrange linker scriptGraeme Russ2010-10-07-21/+18
| | | | Tidy up the linker script and discard some sections to save space
* x86: Rename linker script symbolsGraeme Russ2010-10-07-12/+9
| | | | Create more generic names for the symbols exported from the linker script
* x86: Remove usage of %ebp as a return pointerGraeme Russ2010-10-07-3/+2
| | | | Using %ebp as a return pointer prevents creating 'load anywhere' images
* x86: Remove progress indication in low-level initGraeme Russ2010-10-07-12/+0
| | | | | Progress indication is not relocation friendly so remove it in preperation for full relocatability support
* x86: use gc sections to reduce image sizeGraeme Russ2010-10-07-5/+5
| | | | | Follow the discussion of Charles Manning and Mike Frysinger. Using gc_sections helps reduce image size.
* x86: Use TEXT_BASE in linker scriptsGraeme Russ2010-10-07-4/+4
| | | | | | Use TEXT_BASE rather than a hard-coded base address on x86 linker scripts. This will allow any board to define its base link address without having to modify the linker script
* Merge branch 'master' of git://git.denx.de/u-boot-blackfinWolfgang Denk2010-10-05-405/+897
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| * Blackfin: blackvme: new board portWojtek Skulski2010-10-02-0/+117
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The board includes: * ADSP-BF561 rev. 0.5 * 32-bit SDRAM (2 * MT48LC16M16A2TG or MT48LC32M16A2TG) * Gigabit Ether AX88180 (ASIX) + 88E1111 rev. B2 (Marvell) * SPI boot flash on PF2 (M25P64 8MB, or M25P128 16 MB) * FPGA boot flash on PF3 (M25P64 8MB, or M25P128 16 MB) * Spartan6-LX150 (memory-mapped; both PPIs also connected) * See http://www.skutek.com/ Signed-off-by: Wojtek Skulski <skulski@pas.rochester.edu> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: bct-brettl2: new board portPeter Meerwald2010-10-02-0/+430
| | | | | | | | | | Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: bf527-sdp: new board portMike Frysinger2010-10-02-0/+122
| | | | | | | | | | | | Support for the Blackfin System Development Platform (SDP) base module. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: support a 3rd gpio cfi pinPeter Meerwald2010-10-02-1/+14
| | | | | | | | | | Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: move CONFIG_BFIN_CPU to board config.mkMike Frysinger2010-10-02-0/+50
| | | | | | | | | | | | | | | | | | The CONFIG_BFIN_CPU option is largely used in the build system, so move it out of the board config.h and into the board config.mk. It'd be nice to keep everything in the config.h, but the patch to extract that value early was rejected. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: bf527-ad7160-eval: convert from old style MMR macrosMike Frysinger2010-10-02-1/+1
| | | | | | | | | | | | | | The old MMR defines are being scrubbed, so convert the driver to use the new standard helper macros. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: cm-bf548: video: convert from old style MMR macrosMike Frysinger2010-10-02-11/+12
| | | | | | | | | | | | | | The old MMR defines are being scrubbed, so convert the driver to use the new standard helper macros. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: bf548-ezkit: video: convert from old style MMR macrosMike Frysinger2010-10-02-10/+11
| | | | | | | | | | | | | | The old MMR defines are being scrubbed, so convert the driver to use the new standard helper macros. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: bf527-ezkit: video: convert from old style MMR macrosMike Frysinger2010-10-02-36/+40
| | | | | | | | | | | | | | The old MMR defines are being scrubbed, so convert the driver to use the new standard helper macros. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: bf537-stamp: post: update old MMR style macrosMike Frysinger2010-10-02-131/+75
| | | | | | | | | | | | | | | | | | The old MMR defines are being scrubbed, so convert the driver to use the new standard helper macros. For the GPIO MMR usage, convert to the new GPIO framework. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: unify gpio cfi implementationsMike Frysinger2010-10-02-216/+26
| | | | | | | | Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* | Merge branch 'master' of git://git.denx.de/u-boot-ppc4xxWolfgang Denk2010-10-05-110/+490
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| * | ppc44x: config GPIOs for USB on canyonlands boardRupjyoti Sarmah2010-10-04-10/+13
| | | | | | | | | | | | | | | | | | | | | | | | The GPIO 16 and 19 reconfiguration should be done once USB is initialized. So moved the reconfiguration to the USB init function. Signed-off-by: Rupjyoti Sarmah <rsarmah@apm.com> Signed-off-by: Stefan Roese <sr@denx.de>
| * | ppc4xx: Small whitespace cleanup in canyonlands.cStefan Roese2010-10-04-10/+10
| | | | | | | | | | | | Signed-off-by: Stefan Roese <sr@denx.de>
| * | ppc4xx: Big lwmon5 board support rework/updateSascha Laue2010-10-04-90/+204
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch brings the lwmon5 board support up-to-date. Here a summary of the changes: lwmon5 board port related: - GPIO's changed to control the LSB transmitter - Reset USB PHY's upon power-up - Enable CAN upon power-up - USB init error workaround (errata CHIP_6) - EBC: Enable burstmode and modify the timings for the GDC memory - EBC: Speed up NOR flash timings lwmon5 board POST related: - Add FPGA memory test - Add GDC memory test - DSP POST reworked - SYSMON POST: Fix handling of negative temperatures - Add output for sysmon1 POST - HW-watchdog min. time test reworked Additionally some coding-style changes were done. Signed-off-by: Sascha Laue <sascha.laue@liebherr.com> Signed-off-by: Stefan Roese <sr@denx.de>
| * | APM821xx: Add bluestone board supportTirumala Marri2010-10-04-0/+263
| | | | | | | | | | | | | | | | | | | | | | | | | | | Add support code for bluestone board wth APM821XX processor based. This patch includes early board init, misc init, configure EBC, initializes UIC, MAKEALL, board.cfg and MAINTAINERS file. Signed-off-by: Tirumala R Marri <tmarri@apm.com Signed-off-by: Stefan Roese <sr@denx.de>
* | | Merge branch 'next' of git://git.denx.de/u-boot-videoWolfgang Denk2010-10-05-131/+357
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| * | p1022ds: use weak CFI flash accessors when DIU is enabledTimur Tabi2010-09-25-7/+201
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On the Freescale P1022, the DIU and the LBC share address pins, which means that when the DIU is active (e.g. the console is on the DVI display), NOR flash cannot be accessed. So we use the weak accessor function feature of the CFI flash code to temporarily switch the pin mux from DIU to LBC whenever we want to read or write flash. This has a significant performance penalty, but it's the only way to make it work. This change allows the 'saveenv' command to work when the video display is enabled. Erasing flash and writing to flash (with the 'cp' command) works, but reading from flash (with the 'md' and 'cp' commands) does not. Also, while flash is being written, the video display will be blank. Signed-off-by: Timur Tabi <timur@freescale.com> Signed-off-by: Anatolij Gustschin <agust@denx.de>
| * | p1022ds: add video supportTimur Tabi2010-09-25-0/+112
| | | | | | | | | | | | | | | | | | | | | | | | Add support for the DIU controller. If CONFIG_VIDEO is defined, then the console will appear on a DVI monitor instead of the serial port. Signed-off-by: Timur Tabi <timur@freescale.com> Signed-off-by: Anatolij Gustschin <agust@denx.de>
| * | fsl_diu_fb: further refactoring of FSL DIU codeAnatolij Gustschin2010-09-25-131/+51
| | | | | | | | | | | | | | | | | | | | | | | | Move common code to the fsl_diu_fb.c file and remove obsolete code from board files (aria, mpc8610hpcd and pdm360ng). Move fsl_diu_fb.h file to the include directory. Signed-off-by: Anatolij Gustschin <agust@denx.de>
* | | hmi1001, mucmc52, uc100, uc101: move boards to vendor directoryWolfgang Denk2010-10-04-0/+0
| |/ |/| | | | | | | | | | | Signed-off-by: Wolfgang Denk <wd@denx.de> Cc: Heiko Schocher <hs@denx.de> Cc: Stefan Roese <sr@denx.de> Cc: Roderik Wildenburg <roderik.wildenburg@manroland.com>
* | Merge branch 'next' of /home/wd/git/u-boot/nextWolfgang Denk2010-09-28-1490/+638
|\ \ | |/ | | | | | | | | | | Conflicts: include/ppc4xx.h Signed-off-by: Wolfgang Denk <wd@denx.de>
| * 83xx: Remove warmboot parameter from PCI init functionsPeter Tyser2010-09-23-46/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | This change lays the groundwork for the BOOTFLAG_* flags being removed. This change has the small affect of delaying 100ms on PCI initialization after a warm boot as opposed to the optimal 1ms on some boards. Signed-off-by: Peter Tyser <ptyser@xes-inc.com> included the mpc8308_p1m board. Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
| * mpc8308_p1m: support for MPC8308 P1M boardIlya Yanok2010-09-23-0/+254
| | | | | | | | | | | | | | | | | | | | | | | | | | This patch provides support for MPC8308 P1M board with the following set of features: Dual UART is supported NOR flash is supported Both TSEC Ethernet controllers are supported PCI Express initialization is supported Both I2C controllers are supported Signed-off-by: Ilya Yanok <yanok@emcraft.com> Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
| * MPC8308RDB: various clean upsIlya Yanok2010-09-23-46/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch cleans up the Freescale MPC8308RDB Development board support. Things fixed: - Removed unused PCIE2 definitions from configuration - SICR{L,H} defines used for System I/O Configuration Registers values instead of hardcoding - CONFIG_SYS_SCCR_PCIEXP1CM used to enable PCIE clock instead of writing to SCCR from the board code - sleep mode stuff removed as MPC8308 has no support for deep sleep and PMCCR1 register. board_early_init_f() removed. - MPC8308 has no ERRATA for DDR controller so workaround removed - 'assignment in if statement' issues solved - use LBLAWAR_* defines instead of hardcoding Signed-off-by: Ilya Yanok <yanok@emcraft.com> Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
| * ppc4xx: Use common NS16550 driver for PPC4xx UARTStefan Roese2010-09-23-3/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch removes the PPC4xx UART driver. Instead the common NS16550 driver is used, since all PPC4xx SoC's use this peripheral device. The file 4xx_uart.c now only implements the UART clock calculation function which also sets the SoC internal UART divisors. All PPC4xx board config headers are changed to use this common NS16550 driver now. Tested on these boards: acadia, canyonlands, katmai, kilauea, sequoia, zeus Signed-off-by: Stefan Roese <sr@denx.de>
| * ppc4xx: Big header cleanup part 2, mostly PPC405 relatedStefan Roese2010-09-23-23/+22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This cleanup is done by creating header files for all SoC versions and moving the SoC specific defines into these special headers. This way the common header ppc405.h and ppc440.h can be cleaned up finally. As a part from this cleanup, the GPIO definitions for PPC405EP are corrected. The high and low parts of the registers (for example CONFIG_SYS_GPIO0_OSRL vs. CONFIG_SYS_GPIO0_OSRH) have been defined in the wrong order. This patch now fixes this issue by switching these xxxH and xxxL values. This brings the GPIO 405EP port in sync with all other PPC4xx ports. Signed-off-by: Stefan Roese <sr@denx.de>
| * ppc4xx: Big header cleanup, mostly PPC440 relatedStefan Roese2010-09-23-38/+26
| | | | | | | | | | | | | | | | | | | | | | This patch starts a bit PPC4xx header cleanup. First patch mostly touches PPC440 files. A later patch will touch the PPC405 files as well. This cleanup is done by creating header files for all SoC versions and moving the SoC specific defines into these special headers. This way the common header ppc405.h and ppc440.h can be cleaned up finally. Signed-off-by: Stefan Roese <sr@denx.de>
| * ppc4xx: Move gpio.h to ppc4xx-gpio.h since its ppc4xx specificStefan Roese2010-09-23-19/+19
| | | | | | | | Signed-off-by: Stefan Roese <sr@denx.de>
| * ppc4xx: Move ppc4xx headers to powerpc include directoryStefan Roese2010-09-23-105/+105
| | | | | | | | | | | | | | | | | | This patch moves some ppc4xx related headers from the common include directory (include/) to the powerpc specific one (arch/powerpc/include/asm/). This way to common include directory is not so cluttered with files. Signed-off-by: Stefan Roese <sr@denx.de>
| * fsl: refactor MPC8610 and MPC5121 DIU code to use existing bitmap and logo ↵Timur Tabi2010-09-21-1087/+26
| | | | | | | | | | | | | | | | | | | | features The Freescale MPC8610 and MPC5121 DIU code had re-implement two features that already existed in U-Boot: bitmap drawing and top-of-screen logo (CONFIG_VIDEO_LOGO). So delete the 8610-specific code and use the built-in features instead. Signed-off-by: Timur Tabi <timur@freescale.com>
| * arm: Make jadecpu board use relocationMatthias Weisser2010-09-21-3/+10
| | | | | | | | | | | | | | This patch modifies jadecpu board so that it is usable with the relocation patches by Heiko Schocher Signed-off-by: Matthias Weisser <weisserm@arcor.de>
| * Merge branch 'next' of ../custodians into nextWolfgang Denk2010-09-21-11/+7
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| | * cfi_flash: Simplify dynamic flash bank number detectionStefan Roese2010-09-20-11/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch simplifies the use of CONFIG_SYS_MAX_FLASH_BANKS_DETECT. By moving these optional variables and defines into the common code, board specific code is minimized. Currently only the following board use this feature: APC405, IDS8247, TQM834x And IDS8247 doesn't seem to really need this feature, since its not updating the bank number variable at all. So this patch removes the definition of CONFIG_SYS_MAX_FLASH_BANKS_DETECT from this board port. This new framework will be used by the upcoming lwmon5 update as well. Signed-off-by: Stefan Roese <sr@denx.de> Acked-by: Heiko Schocher <hs@denx.de> Cc: Matthias Fuchs <matthias.fuchs@esd.eu>
| * | Remove HMI10 board supportWolfgang Denk2010-09-19-27/+0
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Recent changes caused that the HMI10 board now is included in the boards built by MAKEALL, which revealed that compilation for this board has been broken for a long time: ps2ser.c: In function 'ps2ser_init': ps2ser.c:155: error: 'UART_LCR' undeclared (first use in this function) ps2ser.c:155: error: (Each undeclared identifier is reported only once ps2ser.c:155: error: for each function it appears in.) ps2ser.c:156: error: 'UART_DLL' undeclared (first use in this function) ps2ser.c:157: error: 'UART_DLM' undeclared (first use in this function) ps2ser.c:159: error: 'UART_IER' undeclared (first use in this function) ps2ser.c:160: error: 'UART_MCR' undeclared (first use in this function) ps2ser.c:161: error: 'UART_FCR' undeclared (first use in this function) ps2ser.c:162: error: 'UART_FCR_ENABLE_FIFO' undeclared (first use in this function) ps2ser.c:166: error: 'UART_LSR' undeclared (first use in this function) ps2ser.c: In function 'ps2ser_putc': ps2ser.c:198: error: 'UART_LSR' undeclared (first use in this function) ps2ser.c:200: error: 'UART_TX' undeclared (first use in this function) ps2ser.c: In function 'ps2ser_getc_hw': ps2ser.c:224: error: 'UART_LSR' undeclared (first use in this function) ps2ser.c:225: error: 'UART_RX' undeclared (first use in this function) ps2ser.c: In function 'ps2ser_interrupt': ps2ser.c:293: error: 'UART_IIR' undeclared (first use in this function) The board is orphaned, and AFAICT has reached EOL. Drop support for it. Signed-off-by: Wolfgang Denk <wd@denx.de>
| * canmb board: Fix compiler warningsWolfgang Denk2010-09-19-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Recent changes caused thatthe aev board now is included in the boards built by MAKEALL, which revealed that compilation for this board has been broken for a long time: canmb.c: In function 'initdram': canmb.c:109: warning: pointer targets in passing argument 1 of 'get_ram_size' differ in signedness canmb.c:111: warning: pointer targets in passing argument 1 of 'get_ram_size' differ in signedness canmb.c:137: warning: pointer targets in passing argument 1 of 'get_ram_size' differ in signedness canmb.c:140: warning: pointer targets in passing argument 1 of 'get_ram_size' differ in signedness Fix these. Signed-off-by: Wolfgang Denk <wd@denx.de>
| * da8xx: fixup ARM relocation supportBen Gardiner2010-09-19-0/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Split the existing dram_init for da8xx when ARM reloc is enabled, like the changes to arch/arm/cpu/arm926ejs/orion5x/dram.c in 0f234d263b17ccf1b8fd776eb8c15b7cdb27a887 by Heiko Schocher <hs@denx.de>. Without these changes gd->ram_size is '0' which leads to incorrect relocation when CONFIG_SYS_ARM_WITHOUT_RELOC is defined and the board does not boot. We use get_ram_size to dynamically calculate the available RAM because it runs on different board version with different ram, as suggested by Heiko in private communication. Tested on a da850evm with 128M of DDR2 installed; with both CONFIG_SYS_ARM_WITHOUT_RELOC defined and undefined. Signed-off-by: Ben Gardiner <bengardiner@nanometrics.ca> Reviewed-by: Sudhakar Rajashekhara <sudhakar.raj@ti.com> CC: Sudhakar Rajashekhara <sudhakar.raj@ti.com> CC: Heiko Schocher <hs@denx.de>
| * ARM: implement relocation for ARM926Heiko Schocher2010-09-19-11/+45
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Change the implementation for arm926 to relocate the code to an arbitrary address in RAM. Adapt the TX25 (i.MX25), magnesium board to test the changes. On the tx25 board TEXT_BASE is set to the final relocation address to prevent one more copying of u-boot code when relocating. More info see: doc/README.arm-relocation da850 board: Tested-by: Ben Gardiner <bengardiner@nanometrics.ca> Portions of this work were supported by funding from the CE Linux Forum. Signed-off-by: Heiko Schocher <hs@denx.de> Cc: Ben Gardiner <bengardiner@nanometrics.ca>
| * ARM: implement relocation for ARM V7 (OMAP)Heiko Schocher2010-09-19-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | Change the implementation for ARM V7 to relocate the code to an arbitrary address in RAM. Adapt the Beagle board (Cortex A8) to test the changes. Portions of this work were supported by funding from the CE Linux Forum. Signed-off-by: Heiko Schocher <hs@denx.de>
| * ARM: implement relocation for ARM11Heiko Schocher2010-09-19-42/+49
| | | | | | | | | | | | | | | | | | | | | | | | Change the implementation for ARM11 to relocate the code to an arbitrary address in RAM. Tested on the qong board. Portions of this work were supported by funding from the CE Linux Forum. Signed-off-by: Heiko Schocher <hs@denx.de>
| * New implementation for internal handling of environment variables.Wolfgang Denk2010-09-19-20/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Motivation: * Old environment code used a pessimizing implementation: - variable lookup used linear search => slow - changed/added variables were added at the end, i. e. most frequently used variables had the slowest access times => slow - each setenv() would calculate the CRC32 checksum over the whole environment block => slow * "redundant" envrionment was locked down to two copies * No easy way to implement features like "reset to factory defaults", or to select one out of several pre-defined (previously saved) sets of environment settings ("profiles") * No easy way to import or export environment settings ====================================================================== API Changes: - Variable names starting with '#' are no longer allowed I didn't find any such variable names being used; it is highly recommended to follow standard conventions and start variable names with an alphanumeric character - "printenv" will now print a backslash at the end of all but the last lines of a multi-line variable value. Multi-line variables have never been formally defined, allthough there is no reason not to use them. Now we define rules how to deal with them, allowing for import and export. - Function forceenv() and the related code in saveenv() was removed. At the moment this is causing build problems for the only user of this code (schmoogie - which has no entry in MAINTAINERS); may be fixed later by implementing the "env set -f" feature. Inconsistencies: - "printenv" will '\\'-escape the '\n' in multi-line variables, while "printenv var" will not do that. ====================================================================== Advantages: - "printenv" output much better readable (sorted) - faster! - extendable (additional variable properties can be added) - new, powerful features like "factory reset" or easy switching between several different environment settings ("profiles") Disadvantages: - Image size grows by typically 5...7 KiB (might shrink a bit again on systems with redundant environment with a following patch series) ====================================================================== Implemented: - env command with subcommands: - env print [arg ...] same as "printenv": print environment - env set [-f] name [arg ...] same as "setenv": set (and delete) environment variables ["-f" - force setting even for read-only variables - not implemented yet.] - end delete [-f] name not implemented yet ["-f" - force delete even for read-only variables] - env save same as "saveenv": save environment - env export [-t | -b | -c] addr [size] export internal representation (hash table) in formats usable for persistent storage or processing: -t: export as text format; if size is given, data will be padded with '\0' bytes; if not, one terminating '\0' will be added (which is included in the "filesize" setting so you can for exmple copy this to flash and keep the termination). -b: export as binary format (name=value pairs separated by '\0', list end marked by double "\0\0") -c: export as checksum protected environment format as used for example by "saveenv" command addr: memory address where environment gets stored size: size of output buffer With "-c" and size is NOT given, then the export command will format the data as currently used for the persistent storage, i. e. it will use CONFIG_ENV_SECT_SIZE as output block size and prepend a valid CRC32 checksum and, in case of resundant environment, a "current" redundancy flag. If size is given, this value will be used instead of CONFIG_ENV_SECT_SIZE; again, CRC32 checksum and redundancy flag will be inserted. With "-b" and "-t", always only the real data (including a terminating '\0' byte) will be written; here the optional size argument will be used to make sure not to overflow the user provided buffer; the command will abort if the size is not sufficient. Any remainign space will be '\0' padded. On successful return, the variable "filesize" will be set. Note that filesize includes the trailing/terminating '\0' byte(s). Usage szenario: create a text snapshot/backup of the current settings: => env export -t 100000 => era ${backup_addr} +${filesize} => cp.b 100000 ${backup_addr} ${filesize} Re-import this snapshot, deleting all other settings: => env import -d -t ${backup_addr} - env import [-d] [-t | -b | -c] addr [size] import external format (text or binary) into hash table, optionally deleting existing values: -d: delete existing environment before importing; otherwise overwrite / append to existion definitions -t: assume text format; either "size" must be given or the text data must be '\0' terminated -b: assume binary format ('\0' separated, "\0\0" terminated) -c: assume checksum protected environment format addr: memory address to read from size: length of input data; if missing, proper '\0' termination is mandatory - env default -f reset default environment: drop all environment settings and load default environment - env ask name [message] [size] same as "askenv": ask for environment variable - env edit name same as "editenv": edit environment variable - env run same as "run": run commands in an environment variable ====================================================================== TODO: - drop default env as implemented now; provide a text file based initialization instead (eventually using several text files to incrementally build it from common blocks) and a tool to convert it into a binary blob / object file. - It would be nice if we could add wildcard support for environment variables; this is needed for variable name auto-completion, but it would also be nice to be able to say "printenv ip*" or "printenv *addr*" - Some boards don't link any more due to the grown code size: DU405, canyonlands, sequoia, socrates. => cc: Matthias Fuchs <matthias.fuchs@esd-electronics.com>, Stefan Roese <sr@denx.de>, Heiko Schocher <hs@denx.de> - Dropping forceenv() causes build problems on schmoogie => cc: Sergey Kubushyn <ksi@koi8.net> - Build tested on PPC and ARM only; runtime tested with NOR and NAND flash only => needs testing!! Signed-off-by: Wolfgang Denk <wd@denx.de> Cc: Matthias Fuchs <matthias.fuchs@esd-electronics.com>, Cc: Stefan Roese <sr@denx.de>, Cc: Heiko Schocher <hs@denx.de> Cc: Sergey Kubushyn <ksi@koi8.net>
| * 4xx: adjust TEXT_BASE to increase U-Boot image sizeWolfgang Denk2010-09-19-7/+3
| | | | | | | | | | | | | | | | | | | | On some boards (canyonlands, luan, sequoia) we need more room for the U-Boot image to allow for new features like the new environment code. Shift TEXT_BASE as needed. Signed-off-by: Wolfgang Denk <wd@denx.de> Cc: Stefan Roese <sr@denx.de> Acked-by: Stefan Roese <sr@denx.de>
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