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* sf: Add SPI NOR protection mechanismFabio Estevam2015-11-051-0/+35
| | | | | | | | | | | | | | | | | | | | | | | | | | | Many SPI flashes have protection bits (BP2, BP1 and BP0) in the status register that can protect selected regions of the SPI NOR. Take these bits into account when performing erase operations, making sure that the protected areas are skipped. Tested on a mx6qsabresd: => sf probe SF: Detected M25P32 with page size 256 Bytes, erase size 64 KiB, total 4 MiB => sf protect lock 0x3f0000 0x10000 => sf erase 0x3f0000 0x10000 offset 0x3f0000 is protected and cannot be erased SF: 65536 bytes @ 0x3f0000 Erased: ERROR => sf protect unlock 0x3f0000 0x10000 => sf erase 0x3f0000 0x10000 SF: 65536 bytes @ 0x3f0000 Erased: OK Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> [re-worked to fit the lock common to dm and non-dm] Signed-off-by: Jagan Teki <jteki@openedev.com> Reviewed-by: Tom Rini <trini@konsulko.com> Reviewed-by: Heiko Schocher <hs@denx.de> Reviewed-by: Jagan Teki <jteki@openedev.com>
* sf: allocate cache aligned buffers to copy from flashRavi Babu2015-08-171-3/+3
| | | | | | | | | | | | Use memalign() with ARCH_DMA_MINALIGN to allocate read buffers. This is required because, flash drivers may use DMA for read operations and may have to invalidate the buffer before read. Signed-off-by: Ravi Babu <ravibabu@ti.com> Signed-off-by: Vignesh R <vigneshr@ti.com> Reviewed-by: Tom Rini <trini@konsulko.com> Reviewed-by: Jagan Teki <jteki@openedev.com> Tested-by: Jagan Teki <jteki@openedev.com>
* spi: sf: Print the error code on failureSimon Glass2015-07-141-2/+6
| | | | | | | | | | Rather than just 'ERROR', display the error code, which may be useful, at least with driver model. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Acked-by: Marek Vasut <marex@denx.de> Reviewed-by: Jagan Teki <jteki@openedev.com>
* mtd, spi: Check if flash pointer is usedHeiko Schocher2015-06-301-0/+5
| | | | | | | | | If flash pointer is used free it, before probing a new flash and storing it in flash. Signed-off-by: Heiko Schocher <hs@denx.de> Tested-by: Jagannadh Teki <jteki@openedev.com> Reviewed-by: Jagannadh Teki <jteki@openedev.com>
* spi, sf: Use offset and size in sf cmd from mtdpartitionHeiko Schocher2015-06-301-25/+29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | With this patch, it is possible to get the offset and size information from the mtdpartiton setting in "mtdparts", similiar to the "nand" commandos. => sf sf - SPI flash sub-system Usage: sf probe [[bus:]cs] [hz] [mode] - init flash device on given SPI bus and chip select sf read addr offset|partition len - read `len' bytes starting at `offset' to memory at `addr' sf write addr offset|partition len - write `len' bytes from memory at `addr' to flash at `offset' sf erase offset|partition [+]len - erase `len' bytes from `offset' `+len' round up `len' to block size sf update addr offset|partition len - erase and write `len' bytes from memory at `addr' to flash at `offset' => for example "env" is defined in mtdparts: => sf read 13000000 env device 0 offset 0xd0000, size 0x10000 SF: 65536 bytes @ 0xd0000 Read: OK zynq-uboot> mtdparts add nor0 0x10000@0x0 env zynq-uboot> sf erase env 0x10000 SF: 65536 bytes @ 0x0 Erased: OK zynq-uboot> sf write 0x100 env device 0 offset 0x0, size 0x10000 SF: 65536 bytes @ 0x0 Written: OK zynq-uboot> sf read 0x40000 env device 0 offset 0x0, size 0x10000 SF: 65536 bytes @ 0x0 Read: OK Signed-off-by: Heiko Schocher <hs@denx.de> Tested-by: Jagannadh Teki <jteki@openedev.com> Reviewed-by: Jagannadh Teki <jteki@openedev.com>
* mtd, spi: Add MTD layer driverDaniel Schwierzeck2015-06-301-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add MTD layer driver for spi, original patch from: http://git.denx.de/?p=u-boot/u-boot-mips.git;a=commitdiff;h=bb246819cdc90493dd7089eaa51b9e639765cced Changes from Heiko Schocher against this patch: - Remove compile error if not defining CONFIG_SPI_FLASH_MTD: LD drivers/mtd/spi/built-in.o drivers/mtd/spi/sf_probe.o: In function `spi_flash_mtd_unregister': /home/hs/abb/imx6/u-boot/drivers/mtd/spi/sf_internal.h:168: multiple definition of `spi_flash_mtd_unregister' drivers/mtd/spi/sf_params.o:/home/hs/abb/imx6/u-boot/drivers/mtd/spi/sf_internal.h:168: first defined here drivers/mtd/spi/sf_ops.o: In function `spi_flash_mtd_unregister': /home/hs/abb/imx6/u-boot/drivers/mtd/spi/sf_internal.h:168: multiple definition of `spi_flash_mtd_unregister' drivers/mtd/spi/sf_params.o:/home/hs/abb/imx6/u-boot/drivers/mtd/spi/sf_internal.h:168: first defined here make[1]: *** [drivers/mtd/spi/built-in.o] Fehler 1 make: *** [drivers/mtd/spi] Fehler 2 - Add a README entry. - Add correct writebufsize, to fit with Linux v3.14 MTD, UBI/UBIFS sync. Note (From Jagan): For testing raw mtd parition erase/read/write operations using cmd_sf, sf_mtd should be required to register the spi flash device to MTD layer but the sf_mtd_info ops were not required until and unless if we use any flash filesystem layer say for example UBI. Due to this the foot-print got increased ~290bytes in non-UBI case here that should be acceptible. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com> Signed-off-by: Heiko Schocher <hs@denx.de> Tested-by: Jagannadh Teki <jteki@openedev.com> Reviewed-by: Jagannadh Teki <jteki@openedev.com>
* cmd_sf: Fix problem with "sf update" and unaligned lengthStefan Roese2015-04-221-8/+8
| | | | | | | | | | | | | | | | | | | On SoCFPGA, using "sf update" with an non-4byte aligned length leads to a hangup (and reboot via watchdog). This is because of the unaligned access in the cadence QSPI driver which is hard to prevent since the data is written into a 4-byte wide FIFO. This patch fixes this problem by changing the behavior of the last sector write (not sector aligned). The new code is even simpler and copies the source data into the temp buffer and now uses the temp buffer to write the complete sector. So only one SPI sector write is used now instead of 2 in the old version. Signed-off-by: Stefan Roese <sr@denx.de> Cc: Gerlando Falauto <gerlando.falauto@keymile.com> Cc: Valentin Longchamp <valentin.longchamp@keymile.com> Cc: Holger Brunck <holger.brunck@keymile.com> Acked-by: Gerlando Falauto <gerlando.falauto@keymile.com> Reviewed-by: Jagannadha Sutradharudu Teki <jagannadh.teki@gmail.com>
* common: Make sure arch-specific map_sysmem() is definedJoe Hershberger2015-04-181-0/+1
| | | | | | | | | | | In the case where the arch defines a custom map_sysmem(), make sure that including just mapmem.h is sufficient to have these functions as they are when the arch does not override it. Also split the non-arch specific functions out of common.h Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Reviewed-by: Simon Glass <sjg@chromium.org>
* dm: core: Add dev_get_uclass_priv() to access uclass private dataSimon Glass2015-04-161-1/+1
| | | | | | | | Add a convenience function to access the private data that a uclass stores for each of its devices. Convert over most existing uses for consistency and to provide an example for others. Signed-off-by: Simon Glass <sjg@chromium.org>
* linux/kernel.h: sync min, max, min3, max3 macros with LinuxMasahiro Yamada2014-11-231-7/+9
| | | | | | | | | | | | | | | | | | | | U-Boot has never cared about the type when we get max/min of two values, but Linux Kernel does. This commit gets min, max, min3, max3 macros synced with the kernel introducing type checks. Many of references of those macros must be fixed to suppress warnings. We have two options: - Use min, max, min3, max3 only when the arguments have the same type (or add casts to the arguments) - Use min_t/max_t instead with the appropriate type for the first argument Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Acked-by: Pavel Machek <pavel@denx.de> Acked-by: Lukasz Majewski <l.majewski@samsung.com> Tested-by: Lukasz Majewski <l.majewski@samsung.com> [trini: Fixup arch/blackfin/lib/string.c] Signed-off-by: Tom Rini <trini@ti.com>
* dm: Convert spi_flash_probe() and 'sf probe' to use driver modelSimon Glass2014-10-221-0/+25
| | | | | | | | | | | | | | | | | | | We want the SPI flash probing feature to operate as a standard driver. Add a driver for the basic probing feature used by most boards. This will be activated by device_probe() as with any other driver. The 'sf probe' command currently keeps track of the SPI slave that it last used. This doesn't work with driver model, since some other driver or system may have probed the device and have access to it too. On the other hand, if we try to probe a device twice the second probe is a nop with driver model. Fix this by searching for the matching device, removing it, and then probing it again. This should work as expected regardless of other device activity. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Jagannadha Sutradharudu Teki <jagannadh.teki@gmail.com>
* sf: Tidy up public and private header filesSimon Glass2014-10-221-0/+1
| | | | | | | | Since spi_flash.h is supposed to be the public API for SPI flash, move private things to sf_internal.h. Also tidy up a few comment nits. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Jagannadha Sutradharudu Teki <jagannadh.teki@gmail.com>
* spl: replace CONFIG_SPL_SPI_* with CONFIG_SF_DEFAULT_*Nikita Kiryanov2014-09-241-13/+0
| | | | | | | | | | | | | | | | | | | | | | | Currently, CONFIG_SPL_SPI_* #defines are used for controlling SPI boot in SPL. These #defines do not allow the user to select SPI mode for the SPI flash (there's no CONFIG_SPL_SPI_MODE, so the SPI mode is hardcoded in spi_spl_load.c), and duplicate information already provided by CONFIG_SF_DEFAULT_* #defines. Kill CONFIG_SPL_SPI_*, and use CONFIG_SF_DEFAULT_* instead. Cc: Tom Rini <trini@ti.com> Cc: Marek Vasut <marex@denx.de> Cc: Sudhakar Rajashekhara <sudhakar.raj@ti.com> Cc: Lokesh Vutla <lokeshvutla@ti.com> Cc: Vitaly Andrianov <vitalya@ti.com> Cc: Lars Poeschel <poeschel@lemonage.de> Cc: Bo Shen <voice.shen@atmel.com> Cc: Hannes Petermaier <hannes.petermaier@br-automation.com> Cc: Michal Simek <monstr@monstr.eu> Acked-by: Marek Vasut <marex@denx.de> Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il> Reviewed-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
* sandbox: spi: Adjust 'sf test' to work on sandboxSimon Glass2014-01-111-5/+9
| | | | | | | | Add map_sysmem() calls so that this test works correctly on sandbox. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Hung-ying Tyan <tyanh@chromium.org> Reviewed-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
* sf: Add GPL-2.0+ SPDX-License-Identifier for missing onesJagannadha Sutradharudu Teki2013-10-161-1/+2
| | | | | | | | Added GPL-2.0+ SPDX-License-Identifier for missed sf source files. Signed-off-by: Jagannadha Sutradharudu Teki <jagannadh.teki@gmail.com> Signed-off-by: Bo Shen <voice.shen@atmel.com>
* cmd_sf: let "sf update" preserve the final part of the last sectorGerlando Falauto2013-08-271-1/+12
| | | | | | | | | | | | | Since "sf update" erases the last block as a whole, but only rewrites the meaningful initial part of it, the rest would be left erased, potentially erasing meaningful information. So, as a safety measure, have it rewrite the original content. Signed-off-by: Gerlando Falauto <gerlando.falauto@keymile.com> Cc: Valentin Longchamp <valentin.longchamp@keymile.com> Cc: Holger Brunck <holger.brunck@keymile.com> Acked-by: Simon Glass <sjg@chromium.org> Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
* cmd_sf: let "sf update" erase last sector as a wholeGerlando Falauto2013-08-071-1/+2
| | | | | | | | | | | | | make "sf update" work with unaligned `len' parameter, by deleting the whole last sector before writing, so to allow for: sf update ${load_addr_r} 0 ${filesize} Signed-off-by: Gerlando Falauto <gerlando.falauto@keymile.com> Cc: Valentin Longchamp <valentin.longchamp@keymile.com> Cc: Holger Brunck <holger.brunck@keymile.com> Acked-by: Simon Glass <sjg@chromium.org> Reviewed-by: Jagannadha Sutradharudu Teki <jagannadh.teki@gmail.com>
* cmd_sf|env_sf: Fix code cleanupJagannadha Sutradharudu Teki2013-08-061-13/+14
| | | | | | | | - line over 80 characters - add tabs - CHECK: Alignment should match open parenthesis Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
* cmd_sf: Add print mesgs on sf read/write commandsJagannadha Sutradharudu Teki2013-06-031-11/+15
| | | | | | | | | This patch adds a print messages while using 'sf read' and 'sf write' commands to make sure that how many bytes read/written from/into flash device. Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com> Acked-by: Tom Rini <trini@ti.com>
* cmd_sf: Add print mesg for 'sf erase' commandJagannadha Sutradharudu Teki2013-06-031-5/+3
| | | | | | | | This patch adds a print messages while using 'sf erase' command to make sure that how many bytes erased in flash device. Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com> Acked-by: Tom Rini <trini@ti.com>
* cmd_sf: include header file common.h before div64.hMingkai Hu2013-04-081-1/+1
| | | | | | | | | | | | The header file div64.h includes <asm/types.h> which defines the phys_addr_t according to the macro CONFIG_PHYS_64BIT, while the macro CONFIG_PHYS_64BIT is included in common.h which comes after div64.h, so in order to get consistent type definition for phys_addr_t, common.h should be included before div64.h, Or else, the parameters of phys_addr_t type will be passed wrongly when CONFIG_PHYS_64BIT is defined. Signed-off-by: Mingkai Hu <Mingkai.Hu@freescale.com>
* sf: Use unsigned type for buffersSimon Glass2013-03-191-4/+4
| | | | | | The verify code is broken on archs with signed char. Fix it. Signed-off-by: Simon Glass <sjg@chromium.org>
* spi: Add SPI flash testSimon Glass2012-12-191-0/+168
| | | | | | | | | | | | It is useful to have a basic SPI flash test, which tests that the SPI chip, the SPI bus and the driver are behaving. This test erases part of the flash, writes data and reads it back as a sanity check that all is well. Use CONFIG_SF_TEST to enable it. Signed-off-by: Simon Glass <sjg@chromium.org>
* spi: Add progress percentage and write speed to `sf update`James Miller2012-12-191-2/+39
| | | | | | | | | | | | | | | | | | | | | | Output a progress update only at most 10 times per second, to avoid saturating (and waiting on) the console. Make the summary line to fit on a single line. Make sure that cursor sits at the end of each update line instead of the beginning. Sample output: SF: Detected W25Q32 with page size 4 KiB, total 4 MiB Update SPI 1331200 bytes written, 2863104 bytes skipped in 21.912s, speed 199728 B/s time: 21.919 seconds, 21919 ticks Skipping verify Signed-off-by: Simon Glass <sjg@chromium.org> Signed-off-by: James Miller <jamesmiller@chromium.org> Signed-off-by: Taylor Hutt <thutt@chromium.org> [trini: Drop 'const' from bytes_per_second()] Signed-off-by: Tom Rini <trini@ti.com>
* cmd_sf: add size checking to spi flash commandsGerlando Falauto2012-04-031-0/+14
| | | | | | | | | | | SPI flash operations inadvertently stretching beyond the flash size will result in a wraparound. This may be particularly dangerous when burning u-boot, because the flash contents will be corrupted rendering the board unusable, without any warning being issued. So add a consistency checking so not to overflow past the flash size. Signed-off-by: Gerlando Falauto <gerlando.falauto@keymile.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* Convert cmd_usage() calls in common to use a return valueSimon Glass2012-03-061-1/+1
| | | | | | | | | Change all files in common/ to use CMD_RET_USAGE instead of calling cmd_usage() directly. I'm not completely sure about this patch since the code since impact is small (100 byte or so on ARM) and it might need splitting into smaller patches. But for now here it is. Signed-off-by: Simon Glass <sjg@chromium.org>
* sf command: allow default bus and chip selectsEric Nelson2012-02-121-16/+21
| | | | | | | | | | | | | | | | This patch allows a board configuration file to provide default bus and chip-selects for SPI flash so that first argument to the 'sf' command is optional. On boards that use the mxc_spi driver and a GPIO for chip select, this allows a much simpler command line: U-Boot> sf probe instead of U-Boot> sf probe 0x5300 Tested-by: Jason Liu <jason.hui@linaro.org> Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* cmd_sf.c: fix printf() length modifierAndreas Bießmann2011-12-171-2/+2
| | | | | | | | | | | | | | | | | size_t is not always 'unsigned int', use corret length modifer. This patch fixes following warning: ---8<--- cmd_sf.c: In function 'spi_flash_update_block': cmd_sf.c:130: warning: format '%#x' expects type 'unsigend int', but argument 4 has type 'size_t' cmd_sf.c:135: warning: format '%x' expects type 'unsigned int', but argument 3 has type 'size_t' --->8--- Signed-off-by: Andreas Bießmann <biessmann@corscience.de> cc: Mike Frysinger <vapier@gentoo.org> cc: Thomas Chou <thomas@wytron.com.tw> Acked-by: Mike Frysinger <vapier@gentoo.org>
* cmd_sf: Fix compiler warningKumar Gala2011-10-051-3/+3
| | | | | | | | | cmd_sf.c: In function 'do_spi_flash': cmd_sf.c:164:9: warning: 'skipped' may be used uninitialized in this function Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Acked-by: Mike Frysinger <vapier@gentoo.org> Acked-by: Simon Glass <sjg@chromium.org>
* cmd_sf: add "update" subcommand to do smart SPI flash updateSimon Glass2011-09-291-3/+83
| | | | | | | | | This adds a new SPI flash command which only rewrites blocks if the contents need to change. This can speed up SPI flash programming when much of the data is unchanged from what is already there. Signed-off-by: Simon Glass <sjg@chromium.org> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* common: fix behavior of ROUND macro when input is already roundedAnton Staaf2011-09-071-1/+1
| | | | | | | | | | | | | | | | | | | Currently when you call ROUND with a value that is already a multiple of the second parameter it will return a value that is one multiple larger, instead of returning the value passed in. There are only two types of usage of ROUND currently, one in various config files to round CONFIG_SYS_MALLOC_LEN to a multiple of 4096 bytes. The other in cmd_sf.c where the incorrect behavior of ROUND is worked around be subtracting one from the length argument before passing it to ROUND. This patch fixes ROUND and removes the workaround from cmd_sf. It also results in all of the malloc pools that use ROUND to compute their size shrinking by 4KB. Cc: Lukasz Majewski <l.majewski@samsung.com> Cc: Mike Frysinger <vapier@gentoo.org>
* cmd_sf: use cmd_usage() in more placesMike Frysinger2011-04-121-30/+29
| | | | | | | Requires a little reworking of the code flow with sub-functions, but not a big deal. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* cmd_sf: drop device status message when probingMike Frysinger2011-04-121-3/+0
| | | | | | | The common spi flash layer displays useful info when probing, so no need for us to duplicate that. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* cmd_sf: add handler for +len arg for erase commandRichard Retanubun2011-04-121-4/+47
| | | | | | | | | This patch adds [+]len handler for the erase command that will automatically round up the requested erase length to the flash's sector_size. Signed-off-by: Richard Retanubun <RichardRetanubun@RuggedCom.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* cmd_usage(): simplify return code handlingWolfgang Denk2010-07-241-2/+1
| | | | | | | | | | | | | | | | Lots of code use this construct: cmd_usage(cmdtp); return 1; Change cmd_usage() let it return 1 - then we can replace all these ocurrances by return cmd_usage(cmdtp); This fixes a few places with incorrect return code handling, too. Signed-off-by: Wolfgang Denk <wd@denx.de>
* Make sure that argv[] argument pointers are not modified.Wolfgang Denk2010-07-041-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The hush shell dynamically allocates (and re-allocates) memory for the argument strings in the "char *argv[]" argument vector passed to commands. Any code that modifies these pointers will cause serious corruption of the malloc data structures and crash U-Boot, so make sure the compiler can check that no such modifications are being done by changing the code into "char * const argv[]". This modification is the result of debugging a strange crash caused after adding a new command, which used the following argument processing code which has been working perfectly fine in all Unix systems since version 6 - but not so in U-Boot: int main (int argc, char **argv) { while (--argc > 0 && **++argv == '-') { /* ====> */ while (*++*argv) { switch (**argv) { case 'd': debug++; break; ... default: usage (); } } } ... } The line marked "====>" will corrupt the malloc data structures and usually cause U-Boot to crash when the next command gets executed by the shell. With the modification, the compiler will prevent this with an error: increment of read-only location '*argv' N.B.: The code above can be trivially rewritten like this: while (--argc > 0 && **++argv == '-') { char *arg = *argv; while (*++arg) { switch (*arg) { ... Signed-off-by: Wolfgang Denk <wd@denx.de> Acked-by: Mike Frysinger <vapier@gentoo.org>
* sf: add GPL-2 license infoMike Frysinger2009-10-241-0/+2
| | | | | | | Some of the new spi flash files were missing explicit license lines. Signed-off-by: Mike Frysinger <vapier@gentoo.org> CC: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
* Command for accessing serial flash updateTsiChung Liew2009-07-141-1/+1
| | | | | | Change strtoul number base of argv 3 from 0 to 16 Signed-off-by: TsiChung Liew <tsicliew@gmail.com>
* General help message cleanupWolfgang Denk2009-06-121-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Many of the help messages were not really helpful; for example, many commands that take no arguments would not print a correct synopsis line, but "No additional help available." which is not exactly wrong, but not helpful either. Commit ``Make "usage" messages more helpful.'' changed this partially. But it also became clear that lots of "Usage" and "Help" messages (fields "usage" and "help" in struct cmd_tbl_s respective) were actually redundant. This patch cleans this up - for example: Before: => help dtt dtt - Digital Thermometer and Thermostat Usage: dtt - Read temperature from digital thermometer and thermostat. After: => help dtt dtt - Read temperature from Digital Thermometer and Thermostat Usage: dtt Signed-off-by: Wolfgang Denk <wd@denx.de>
* Command usage cleanupPeter Tyser2009-01-281-1/+1
| | | | | | | | Remove command name from all command "usage" fields and update common/command.c to display "name - usage" instead of just "usage". Also remove newlines from command usage fields. Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
* Standardize command usage messages with cmd_usage()Peter Tyser2009-01-281-1/+1
| | | | Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
* SPI Flash: Add "sf" commandHaavard Skinnemoen2008-06-031-0/+191
This adds a new command, "sf" which can be used to manipulate SPI flash. Currently, initialization, reading, writing and erasing is supported. Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
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