[U-Boot] [PATCH V2 2/2] common: add new boot media kconfig entry

[Peng Fan]

Hi Masahiro,

+Simon
On Fri, Jun 17, 2016 at 07:08:23PM +0900, Masahiro Yamada wrote:
>2016-06-17 18:39 GMT+09:00 Peng Fan <van.freenix at gmail.com>:
>> Add CONFIG_{SD|NAND|ONENAND|SPI|QSPI|SATA}_BOOT kconfig entries.
>>
>> SoCs supports loading U-Boot from different medias to DRAM, such as
>> i.MX6/7 supports loading U-Boot to DRAM from sd/emmc/nand/qspi/spi/sata
>> and etc. For i.MX, imximage will generate different IVT headers according
>> to boot medias.
>>
>> Signed-off-by: Peng Fan <peng.fan at nxp.com>
>> Cc: Simon Glass <sjg at chromium.org>
>> Cc: Heiko Schocher <hs at denx.de>
>> Cc: Joe Hershberger <joe.hershberger at ni.com>
>> Cc: Bin Meng <bmeng.cn at gmail.com>
>> Cc: Christophe Ricard <christophe-h.ricard at st.com>
>> Cc: Nikita Kiryanov <nikita at compulab.co.il>
>> Cc: Francois Retief <fgretief at spaceteq.co.za>
>> Cc: Tom Rini <trini at konsulko.com>
>> ---
>>
>> V2:
>>  Move NOR_BOOT to the patch 1/2.
>>  The idea of this patch is for adding different boot media support for
>>  i.MXes. And I'll post out following patches if this patch is accepted.
>>  I ran moveconfig.py, but I did not include the results into a patch.
>>  This patch does not break the boards which defined NAND_BOOT/SD_BOOT and
>>  etc, and I prefer to let board owners to move to defconfig later.
>>
>>  common/Kconfig | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
>>  1 file changed, 48 insertions(+)
>>
>> diff --git a/common/Kconfig b/common/Kconfig
>> index 04d092c..f0f6ee1 100644
>> --- a/common/Kconfig
>> +++ b/common/Kconfig
>> @@ -108,6 +108,54 @@ config NOR_BOOT
>>           as the ROM only partially sets up pinmux.  We also default to using
>>           NOR for environment.
>>
>> +config NAND_BOOT
>> +       bool "Support for booting from NAND flash"
>> +       default n
>> +       help
>> +         Enabling this will make a U-Boot binary that is capable of being
>> +         booted via NAND flash. This is not a must, some SoCs need this,
>> +         somes not.
>> +
>> +config ONENAND_BOOT
>> +       bool "Support for booting from ONENAND"
>> +       default n
>> +       help
>> +         Enabling this will make a U-Boot binary that is capable of being
>> +         booted via ONENAND. This is not a must, some SoCs need this,
>> +         somes not.
>> +
>> +config QSPI_BOOT
>> +       bool "Support for booting from QSPI flash"
>> +       default n
>> +       help
>> +         Enabling this will make a U-Boot binary that is capable of being
>> +         booted via QSPI flash. This is not a must, some SoCs need this,
>> +         somes not.
>> +
>> +config SATA_BOOT
>> +       bool "Support for booting from SATA"
>> +       default n
>> +       help
>> +         Enabling this will make a U-Boot binary that is capable of being
>> +         booted via SATA. This is not a must, some SoCs need this,
>> +         somes not.
>> +
>> +config SD_BOOT
>> +       bool "Support for booting from SD/EMMC"
>> +       default n
>> +       help
>> +         Enabling this will make a U-Boot binary that is capable of being
>> +         booted via SD/EMMC. This is not a must, some SoCs need this,
>> +         somes not.
>> +
>> +config SPI_BOOT
>> +       bool "Support for booting from SPI flash"
>> +       default n
>> +       help
>> +         Enabling this will make a U-Boot binary that is capable of being
>> +         booted via SPI flash. This is not a must, some SoCs need this,
>> +         somes not.
>> +
>>  endmenu
>
>
>Do you intend to replace
>CONFIG_SPL_NOR_SUPPORT
>CONFIG_SPL_NAND_SUPPORT
>CONFIG_SPL_USB_SUPPORT
>CONFIG_SPL_MMC_SUPPORT
>etc. with these options?
>

I missed these.

>
>Currently, common/spl/spl.c uses CONFIG_SPL_*_SUPPORT
>to enable/disable capable boot devices.

I think we could use a common option to replace the ones used in SPL.

Thanks,
Peng.
>
>
>
>
>
>-- 
>Best Regards
>Masahiro Yamada