[U-Boot] [PATCH RESEND 0/4] Add CONFIG_SPL_NAND_IDENT

[Jörg Krause]

Hi,

this patch series propably felt off the radar?

Best regards,
Jörg Krause

On Sun, 2018-01-14 at 19:26 +0100, Jörg Krause wrote:
> RESEND because adding U-Boot NAND maintainer (Scott Wood) on Cc.
> 
> When adding SPL support to a custom i.MX6ULL board with Toshiba
> TC58NVG0S3 NAND chip the MXS NAND SPL loader failed with "Failed to
> identify". This reason is that the SPL MXS NAND driver only supports
> ONFi-compliant NAND chips and the mentioned Toshiba NAND chip is
> non-ONFi.
> 
> This patch set makes `nand_get_flash_type()` from `nand_base.c`
> public,
> so it can be used by any SPL NAND driver, introduced a new config
> option
> `CONFIG_SPL_NAND_IDENT` to enable the lookup for supported NAND chips
> in
> the chip ID list. Finally, the MXS NAND SPL driver is refactored so
> that
> the original ONFi-only identification routine is enabled by default.
> For
> non-ONFi NAND chips the newly introduced config option can be used.
> 
> In my setup the binary size of `u-boot-spl.bin` is increased by about
> 13 kB when `CONFIG_SPL_NAND_IDENT` is enabled. As the i.MX6, as well
> as
> the i.MX28, both have an OCRAM of 128 kB the increase in the binary
> size
> is reasonable.
> 
> Jörg Krause (4):
>   mtd: nand: export nand_get_flash_type function
>   spl, nand: add option CONFIG_SPL_NAND_IDENT to lookup for supported
>     NAND chips
>   mtd: nand: mxs_nand_spl: refactor mxs_flash_ident
>   mtd: nand: mxs_nand_spl: add mxs_flash_full_ident
> 
>  README                          |  4 ++++
>  drivers/mtd/nand/Makefile       |  1 +
>  drivers/mtd/nand/mxs_nand_spl.c | 37
> ++++++++++++++++++++++++++++++++++++-
>  drivers/mtd/nand/nand_base.c    |  3 ++-
>  include/linux/mtd/rawnand.h     | 10 +++++++---
>  scripts/config_whitelist.txt    |  1 +
>  6 files changed, 51 insertions(+), 5 deletions(-)
>