Message ID | 20180816153029.15521-1-miquel.raynal@bootlin.com |
---|---|
Headers | show |
Series | SPI-NAND support | expand |
Tom, Jagan, On Thu, 16 Aug 2018 17:29:58 +0200 Miquel Raynal <miquel.raynal@bootlin.com> 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 Regards, Boris
Hi Tom, Jagan, Boris Brezillon <boris.brezillon@bootlin.com> wrote on Thu, 16 Aug 2018 18:58:58 +0200: > Tom, Jagan, > > On Thu, 16 Aug 2018 17:29:58 +0200 > Miquel Raynal <miquel.raynal@bootlin.com> 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 agree with Boris, I do not want to resend another 30+ patch series while the changes are on the last 5 only, could one of you please apply them from 1 to 23 (with 6 squashed in 5) ? Next week I will send a v7 for patches 24..31. Thanks, Miquèl
Hello, Miquel Raynal <miquel.raynal@bootlin.com> wrote on Fri, 17 Aug 2018 10:38:46 +0200: > Hi Tom, Jagan, > > Boris Brezillon <boris.brezillon@bootlin.com> wrote on Thu, 16 Aug 2018 > 18:58:58 +0200: > > > Tom, Jagan, > > > > On Thu, 16 Aug 2018 17:29:58 +0200 > > Miquel Raynal <miquel.raynal@bootlin.com> 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 agree with Boris, I do not want to resend another 30+ patch > series while the changes are on the last 5 only, could one of you > please apply them from 1 to 23 (with 6 squashed in 5) ? > > Next week I will send a v7 for patches 24..31. I am almost ready to send a new iteration for the last set of patches, can I have your feedback on the first set (up to 23)? Thanks, Miquèl
On Thu, Aug 30, 2018 at 6:13 PM, Miquel Raynal <miquel.raynal@bootlin.com> wrote: > Hello, > > Miquel Raynal <miquel.raynal@bootlin.com> wrote on Fri, 17 Aug 2018 > 10:38:46 +0200: > >> Hi Tom, Jagan, >> >> Boris Brezillon <boris.brezillon@bootlin.com> wrote on Thu, 16 Aug 2018 >> 18:58:58 +0200: >> >> > Tom, Jagan, >> > >> > On Thu, 16 Aug 2018 17:29:58 +0200 >> > Miquel Raynal <miquel.raynal@bootlin.com> 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
Hi Jagan, Jagan Teki <jagan@amarulasolutions.com> wrote on Sun, 2 Sep 2018 23:47:37 +0530: > On Thu, Aug 30, 2018 at 6:13 PM, Miquel Raynal > <miquel.raynal@bootlin.com> wrote: > > Hello, > > > > Miquel Raynal <miquel.raynal@bootlin.com> wrote on Fri, 17 Aug 2018 > > 10:38:46 +0200: > > > >> Hi Tom, Jagan, > >> > >> Boris Brezillon <boris.brezillon@bootlin.com> wrote on Thu, 16 Aug 2018 > >> 18:58:58 +0200: > >> > >> > Tom, Jagan, > >> > > >> > On Thu, 16 Aug 2018 17:29:58 +0200 > >> > Miquel Raynal <miquel.raynal@bootlin.com> 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
On Mon, Sep 3, 2018 at 12:15 PM, Miquel Raynal <miquel.raynal@bootlin.com> wrote: > Hi Jagan, > > Jagan Teki <jagan@amarulasolutions.com> wrote on Sun, 2 Sep 2018 > 23:47:37 +0530: > >> On Thu, Aug 30, 2018 at 6:13 PM, Miquel Raynal >> <miquel.raynal@bootlin.com> wrote: >> > Hello, >> > >> > Miquel Raynal <miquel.raynal@bootlin.com> wrote on Fri, 17 Aug 2018 >> > 10:38:46 +0200: >> > >> >> Hi Tom, Jagan, >> >> >> >> Boris Brezillon <boris.brezillon@bootlin.com> wrote on Thu, 16 Aug 2018 >> >> 18:58:58 +0200: >> >> >> >> > Tom, Jagan, >> >> > >> >> > On Thu, 16 Aug 2018 17:29:58 +0200 >> >> > Miquel Raynal <miquel.raynal@bootlin.com> 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. Build look fine, let me know about final version of "Cleaner MTD devices management"