Hi Arseniy On Thu, Aug 22, 2024 at 9:04 AM Arseniy Krasnov <avkras...@salutedevices.com> wrote: > > Hi, thanks! > > Thanks, Arseniy > > On 22.08.2024 00:17, Michael Nazzareno Trimarchi wrote: > > Hi > > > > I will read them tomorrow ;) > > > > Thank you for understanding > >
All the series are delegated to Neil. I will review anyway but I think that will then pick from him Michael > > Michael > > > > Il mer 21 ago 2024, 22:25 Arseniy Krasnov <avkras...@salutedevices.com> ha > > scritto: > > > >> Hi, sorry, pls ping 😄 > >> > >> Thanks > >> > >> On 08.07.2024 10:13, Arseniy Krasnov wrote: > >>> Patchset is based on patchset for Linux (today merged to nand-next): > >>> > >> https://lore.kernel.org/linux-mtd/20240507230903.3399594-1-avkras...@salutedevices.com/ > >>> > >>> Here is description from it: > >>> > >>> > Amlogic's boot ROM code needs that some pages on NAND must be written > >>> > in special "short" ECC mode with scrambling enabled. Such pages: > >>> > 1) Contain some metadata about hardware. > >>> > 2) Located with some interval starting from 0 offset, until some > >>> > specified offset. Interval and second offset are set in the > >>> > device tree. > >>> > > >>> > This patchset adds R/W support for such pages. To enable it we can > >> setup > >>> > it in dts: > >>> > > >>> > nand-is-boot-medium; > >>> > amlogic,boot-pages = <1024>; > >>> > amlogic,boot-page-step = <128>; > >>> > > >>> > It means that each 128th page in range 0 to 1024 pages will be > >> accessed > >>> > in special mode ("short" ECC + scrambling). In practice this feature > >> is > >>> > needed when we want to update first block of NAND - driver will > >> enable > >>> > required mode by itself using value from device tree. > >>> > >>> The only difference is that patchset for Linux updates DT bindings, while > >>> this adds NAND_IS_BOOT_MEDIUM flag support. > >>> > >>> Changelog: > >>> v1 -> v2: > >>> * Pls see per-patch changelog. > >>> > >>> Arseniy Krasnov (3): > >>> mtd: rawnand: nand_base: support for 'NAND_IS_BOOT_MEDIUM' flag > >>> mtd: rawnand: meson: refactor use of 'meson_nfc_cmd_access()' > >>> mtd: rawnand: meson: read/write access for boot ROM pages > >>> > >>> drivers/mtd/nand/raw/meson_nand.c | 84 +++++++++++++++++++++---------- > >>> drivers/mtd/nand/raw/nand_base.c | 3 ++ > >>> include/linux/mtd/rawnand.h | 5 ++ > >>> 3 files changed, 65 insertions(+), 27 deletions(-) > >>> > >> > > -- Michael Nazzareno Trimarchi Co-Founder & Chief Executive Officer M. +39 347 913 2170 mich...@amarulasolutions.com __________________________________ Amarula Solutions BV Joop Geesinkweg 125, 1114 AB, Amsterdam, NL T. +31 (0)85 111 9172 i...@amarulasolutions.com www.amarulasolutions.com
