Hi! Got it, thanks!
On 23.08.2024 11:10, Michael Nazzareno Trimarchi wrote: > Hi Arseniy > > On Thu, Aug 22, 2024 at 9:04 AM Arseniy Krasnov > <[email protected]> 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 <[email protected]> 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/[email protected]/ >>>>> >>>>> 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(-) >>>>> >>>> >>> > > >
