Hi Jagan, Jagan Teki <[email protected]> wrote on Sun, 2 Sep 2018 23:47:37 +0530:
> On Thu, Aug 30, 2018 at 6:13 PM, Miquel Raynal > <[email protected]> wrote: > > Hello, > > > > Miquel Raynal <[email protected]> wrote on Fri, 17 Aug 2018 > > 10:38:46 +0200: > > > >> Hi Tom, Jagan, > >> > >> Boris Brezillon <[email protected]> wrote on Thu, 16 Aug 2018 > >> 18:58:58 +0200: > >> > >> > Tom, Jagan, > >> > > >> > On Thu, 16 Aug 2018 17:29:58 +0200 > >> > Miquel Raynal <[email protected]> wrote: > >> > > >> > > 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: > >> > > - 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) > >> > > > ubi part bar # create a static UBI volume in the bar > >> > > > partition > >> > > > mtd list # show the current MTD devices/partitions > >> > > > >> > > Thanks, > >> > > Miquèl > >> > > > >> > > >> > [...] > >> > > >> > Can we get some of those patches merged to avoid sending another > >> > version containing more than 30 patches. Here is a list of patches which > >> > IMO are ready to be merged: > >> > > >> > - 1 to 4 > >> > - 5 and 6 if 6 is squashed in 5 > >> > - 7 to 23 > > Yes, I've picked these and build is under progress [1] > > [1] https://travis-ci.org/openedev/u-boot-amarula/builds/423668176 Cool! I'll poll the page for build errors but do not hesitate to ping if you see something wrong. Thanks, Miquèl _______________________________________________ U-Boot mailing list [email protected] https://lists.denx.de/listinfo/u-boot
