2016-06-17 18:39 GMT+09:00 Peng Fan <van.free...@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....@nxp.com>
> Cc: Simon Glass <s...@chromium.org>
> Cc: Heiko Schocher <h...@denx.de>
> Cc: Joe Hershberger <joe.hershber...@ni.com>
> Cc: Bin Meng <bmeng...@gmail.com>
> Cc: Christophe Ricard <christophe-h.ric...@st.com>
> Cc: Nikita Kiryanov <nik...@compulab.co.il>
> Cc: Francois Retief <fgret...@spaceteq.co.za>
> Cc: Tom Rini <tr...@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?
Currently, common/spl/spl.c uses CONFIG_SPL_*_SUPPORT
to enable/disable capable boot devices.
--
Best Regards
Masahiro Yamada
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