From mboxrd@z Thu Jan 1 00:00:00 1970 From: Miquel Raynal Date: Sat, 4 Aug 2018 09:23:05 +0200 Subject: [U-Boot] [PATCH v6 00/27] SPI-NAND support In-Reply-To: References: <20180801081848.19398-1-miquel.raynal@bootlin.com> <20180803102711.35fabac2@xps13> Message-ID: <20180804092305.6fdc0ed0@xps13> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit To: u-boot@lists.denx.de Hi Jagan, Jagan Teki wrote on Fri, 3 Aug 2018 17:38:33 +0530: > On Fri, Aug 3, 2018 at 3:20 PM, Jagan Teki wrote: > > On Fri, Aug 3, 2018 at 1:57 PM, Miquel Raynal wrote: > >> Hi Jagan, Tom, > >> > >> Miquel Raynal wrote on Wed, 1 Aug 2018 > >> 10:18:21 +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 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: > >>> - A few patches from Linux to resynchronize some areas of the MTD layer. > >>> - Various fixes and re-organization of the MTD subsystem. > >>> - The introduction of the SPI-mem interface. > >>> - The addition of the generic SPI-NAND driver (and its bindings). > >>> - Several SPI NAND chip drivers (Macronix, Micron, Winbond). > >>> - A new 'mtd' command. > >>> - Support for spi-nand devices in mtdparts. > >>> > >>> To test your SPI-NAND device with U-Boot simply follow these lines: > >>> > >>> > setenv mtdparts mtdparts=spi-nand0:1m(foo),-(bar) > >>> > setenv mtdids spi-nand0=spi-nand0 > >>> > mtdparts # show the spi-nand device partitions > >>> > ubi part bar # create a static UBI volume in the bar partition > >>> > >>> Thanks, > >>> Miquèl > >>> > >>> Changes since v5: > >>> ----------------- > >>> * Included Boris fixup about the build issues. > >>> * Added Rb/Ab tags from Jagan on patchs 20/21. > >> > >> I can't see a pull request flow on U-Boot ML, I suppose you use a > >> different mean for that purpose. > >> > >> Jagan, is this version OK? Is it part of your PR? > > > > Travis is going on [1], will send PR once all fine. > > > > [1] https://travis-ci.org/openedev/u-boot-amarula/builds/411596788 > > There are some build issues, not quite sure whether it relates. please > look into it. Thanks for the reports. > > [2] https://travis-ci.org/openedev/u-boot-amarula/jobs/411596814 > [3] https://travis-ci.org/openedev/u-boot-amarula/jobs/411596815 Boris supposedly fixed all the build issues related to my changes (I don't think the "missing interrupt parent" in a DTS file is related), please pull his branch [1]. The fixes are under the form of fixups if you wanna check them. Otherwise you can just 'rebase -i --autosquash' to automatically squash them with the commit introducing the regression. [1] https://travis-ci.org/openedev/u-boot-amarula/jobs/411596814 Thanks, Miquèl -- Miquel Raynal, Bootlin (formerly Free Electrons) Embedded Linux and Kernel engineering https://bootlin.com