Re: [PATCH v3 0/3] Meson: R/W support for pages used by boot ROM

Hi,

On Mon, 26 Aug 2024 16:17:07 +0300, 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.
> 
> [...]

Thanks, Applied to https://source.denx.de/u-boot/custodians/u-boot-amlogic (u-boot-amlogic-next)

[1/3] mtd: rawnand: nand_base: support for 'NAND_IS_BOOT_MEDIUM' flag
      https://source.denx.de/u-boot/custodians/u-boot-amlogic/-/commit/9905e77edaa9b4a43285e587317c600ffa7be7ca
[2/3] mtd: rawnand: meson: refactor use of 'meson_nfc_cmd_access()'
      https://source.denx.de/u-boot/custodians/u-boot-amlogic/-/commit/33acfbf41819d06e13bcccf1ffdf7d01160f4b1e
[3/3] mtd: rawnand: meson: read/write access for boot ROM pages
      https://source.denx.de/u-boot/custodians/u-boot-amlogic/-/commit/35ff967a99e97b523732096628bdbc78758922f6

-- 
Neil