Hello, I failed the numbering, this is actually the v8. The below changelog is still right though. I don't plan to resend unless I am explicitly told to do so.
Sorry for the mistake. Thanks, Miquèl Miquel Raynal <[email protected]> wrote on Thu, 6 Sep 2018 09:08:42 +0200: > During the last months, Boris Brezillon shared his work to support > serial flashes within Linux. First, he delivered (and merged) a new > layer called spi-mem. He also initiated in Linux MTD subsystem the move > of all 'raw' NAND related code to a raw/ subdirectory, adding at the > same time a NAND core that would be shared with all NAND devices. Then, > he contributed a generic SPI-NAND driver, making use of this NAND core, > as well as some vendor code to drive a few chips. > > On top of this work, I made some cleanups in the MTD layer and added an > 'mtd' U-Boot command to handle all sort of MTD devices. This should > become the default command instead of having one per flash flavor > ('sf', 'nand', 'spi-nand' ?). > > The series has been tested on an Ocelot board PCB123 (VSC7514), > featuring a Macronix SPI NAND chip. > > TL;DR: the series contains (stripped version since 23 patches have > already been taken): > - Various fixes > - Support for spi-nand devices in mtdparts. > - Generics mtdparts/mtdids parsers. > - A new 'mtd' command. > - A note to set mtdparts command legacy. > > To test your SPI-NAND device with U-Boot, you can test someting like: > > > setenv mtdparts 'spi-nand0:1m(foo),-(bar)' > > setenv mtdids 'spi-nand0=spi0.0' # spi0.0 is Linux MTD name for this device > > ubi part bar # create a static UBI volume in the bar partition > > mtd list # show the current MTD devices/partitions > > Thanks, > Miquèl > > Changes since v7: > ----------------- > * Added Stefan R-b tags. > * Used tolower() as suggested by Stefan in lib/strto.c. > * Added a mention saying that we continue to abuse the kB suffix in > lib/strto.c by not making a difference between kB and kiB which both > mean "* 1024" for us. This has been added in the commit log. > * Fixed various bugs in the mtd command and in the parsers, they should > be pretty stable now (tested with two MTD devices probed and several > different partition configurations). > * mtdids is not deprecated at all as opposed at what I wrote in > v6. U-Boot still uses its own MTD names (being <type><idx> like nor0 > or spi-nand1) and mtdids is still needed to do the glue. > * Removed a useless patch removing a Kconfig entry I added myself since > during a rebase someone else also added this symbol. > > Changes since v6: > ----------------- > * Squashed Boris' fixes about build issues in Travis. > * Merged Stefan Roese's contributions. > * cmd: mtdparts: > * added fallthrough comments in switch blocks deriving sizes. > * balanced debug messages to compare freed and allocated partitions. > * move mtdparts_init() declaration in mtd/partitions.h to be used in > mtd command as well. > * introduced a "compatibility" function to return what the MTD device > name could be thanks to the mtdids environment variable (which is > useless with the new partitioning logic). > * mtd: mtdpart: > * reworked the way partitions are created/handled. > * cmd: mtd: > * implement a partitioning logic that takes the best out of the MTD > layer without re-inventing the wheel. Partitions are all freed > correctly when the value of mtdparts changes. > * balance get_mtd_device() by put_mtd_device() calls. > * prevent memory leak by reorganizing the code a bit in do_mtd. > * do not reconstruct partition list when a partition is already in use > (complain about that instead). > * add support for the legacy mtdids (not needed anymore if mtdparts > directly uses the MTD device names as in Linux. > * cmd: ubi: > * clean and simplify the partition handling a bit to make use the best > use of the MTD layer as well and keep the code simple. > > Changes since v5: > ----------------- > * Included Boris fixup about the build issues. > * Added Rb/Ab tags from Jagan on patchs 20/21. > > Changes since v4: > ----------------- > * Added Jagan's Acked-by tags to every patch related to the > SPI-mem/SPI-NAND addition. > * Rebased on top of master. > > Changes since v3: > ----------------- > * Fixed the debug messages in spi-mem to print either Rx or Tx data. > * Fixed a Kconfig error that prevented to build mtdparts with plain > defconfig. > * Fixed a compilation error due to the above error that prevented one > file to be compiled. > * Adapted the mtd command to probe MTD partitions also. > * Declared mtd_probe_devices() in a header so mtdparts or UBI could > use it too (to probe all devices and MTD partitions in a clean way). > * As I worked on mtdparts, I found annoying and completely useless the > fact that we need to prefix the environment variable with > "mtdparts=". Canceled this obligation. > * Added one patch to allow spi-nand devices to be recognized by mtdparts > (this is purely useless but needed to be done in order to use this > command). > * Removed useless definitions of MTD device types in UBI code. > * Wrote a generic mtdparts environment variable parser, used by the mtd > command. > * Used the mtd_probe_devices() function from get_mtd_info() in > cmd/mtdparts.c to be sure the desired partition really does not exist > (otherwise it will be probed and then found). > > Changes since v2: > ----------------- > * Rebased on u-boot master branch. > * Removed extra-parenthesis in > "mtd: Fallback to ->_read/write() when ->_read/write_oob() is missing" > * s/fiels/files/ in "mtd: move NAND fiels into a raw/ subdirectory" > * Do not describe generic SPI device properties in SPI NAND bindings. > * Changes in the mtd command: > * Printing more information in 'mtd list' (device type, device > characteristics) > * Switch to do_div() instead of '(u32)value64b % value32b' which only > worked because value32b was a power of 2. > * Removed erase.chip option. > * By default, erase/read/write happen on the full MTD device while a > dump will only work on a single page. > > Changes since v1: > ----------------- > * Fixed the nand_memorg structure of the MX35LF2GE4AB chip. > * Added Reviewed-by tags from Jagan. > * Backported and squashed two patches fixing things in the SPI NAND core > received on the Linux ML. > * Backported more changes in mtdcore.c from Linux. > * Added a patch to add a fallback on mtd->_read/_write() in mtdcore.c > when mtd->_read/write_oob() is not supported. > * Removed the DT changes, useless as the DTs are not available in > mainline yet. > * Addressed Boris/Stefan comments on the 'mtd' command. > * Added support for multi-pages OOB read/write. > > > Miquel Raynal (12): > lib: strto: parse all lowercase metric prefixes in ustrtoul[l] > lib: strto: fix metric suffix parsing in strtoul[l] > cmd: mtdparts: accept spi-nand devices > cmd: mtdparts: remove mandatory 'mtdparts=' prefix > mtd: uclass: add probe function > mtd: uclass: add a generic 'mtdparts' parser > mtd: uclass: search for an equivalent MTD name with the mtdids > mtd: mtdpart: implement proper partition handling > cmd: mtd: add 'mtd' command > cmd: mtdparts: try to probe the MTD devices as a fallback > cmd: ubi: clean the partition handling > cmd: mtdparts: describe as legacy > > cmd/Kconfig | 18 +- > cmd/Makefile | 1 + > cmd/mtd.c | 521 ++++++++++++++++++++++++++ > cmd/mtdparts.c | 46 ++- > cmd/ubi.c | 100 ++--- > drivers/mtd/Makefile | 2 +- > drivers/mtd/mtd-uclass.c | 16 + > drivers/mtd/mtdcore.c | 2 + > drivers/mtd/mtdpart.c | 660 +++++++++++++++++++++------------ > include/jffs2/load_kernel.h | 7 +- > include/linux/mtd/mtd.h | 31 ++ > include/linux/mtd/partitions.h | 5 +- > include/mtd.h | 3 + > lib/strto.c | 36 +- > 14 files changed, 1094 insertions(+), 354 deletions(-) > create mode 100644 cmd/mtd.c > -- Miquel Raynal, Bootlin Embedded Linux and Kernel engineering https://bootlin.com _______________________________________________ U-Boot mailing list [email protected] https://lists.denx.de/listinfo/u-boot
