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

[Stefano Babic]

Hi Jörg,

On 26/06/2018 11:33, Jörg Krause wrote:
> Hi,
> 
> this patch series propably felt off the radar?
> 

I guess yes, but I doubt we can apply the series again. I guess you
should at least rebase it.

Regards,
Stefano

> 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(-)
>>


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