On Tue, Apr 21, 2020 at 09:26:35PM +0200, Tobias Schramm wrote:
> This commit adds generic boot support for SPI flash.
> Adding SPI flash support to a device can be achieved by adding
> following declaration to the BOOT_TARGET_DEVICES
>
> func(SF, sf, <spibus>[:<cs>], <mtd partition>)
>
> Signed-off-by: Tobias Schramm <t.schr...@manjaro.org>
> Cc: Patrick Wildt <patr...@blueri.se>
> Cc: AKASHI Takahiro <takahiro.aka...@linaro.org>
> ---
> include/config_distro_bootcmd.h | 22 ++++++++++++++++++++++
> 1 file changed, 22 insertions(+)
>
> diff --git a/include/config_distro_bootcmd.h b/include/config_distro_bootcmd.h
> index aacfb309da..02b70dd271 100644
> --- a/include/config_distro_bootcmd.h
> +++ b/include/config_distro_bootcmd.h
> @@ -67,6 +67,27 @@
> BOOT_TARGET_DEVICES_references_MMC_without_CONFIG_CMD_MMC
> #endif
>
> +#ifdef CONFIG_CMD_SF
> +#define BOOTENV_SHARED_SF \
> + "sf_boot=if sf probe ${devnum}; then " \
> + "sf read ${scriptaddr} ${distro_bootpart} && "\
> + "source ${scriptaddr}; " \
> + "fi\0"
> +#define BOOTENV_DEV_SF(devtypeu, devtypel, instance, bootpart) \
> + "bootcmd_" #devtypel #instance "=" \
> + "devnum=" #instance "; " \
> + "distro_bootpart=" #bootpart "; " \
> + "run " #devtypel "_boot\0"
> +#define BOOTENV_DEV_NAME_SF(devtypeu, devtypel, instance, bootpart) \
> + #devtypel #instance " "
> +#else
> +#define BOOTENV_SHARED_MMC
> +#define BOOTENV_DEV_SF \
> + BOOT_TARGET_DEVICES_references_SF_without_CONFIG_CMD_SF
> +#define BOOTENV_DEV_NAME_SF \
> + BOOT_TARGET_DEVICES_references_SF_without_CONFIG_CMD_SF
> +#endif
> +
> #ifdef CONFIG_CMD_UBIFS
> #define BOOTENV_SHARED_UBIFS \
> "ubifs_boot=" \
> @@ -408,6 +429,7 @@
> #define BOOTENV \
> BOOTENV_SHARED_HOST \
> BOOTENV_SHARED_MMC \
> + BOOTENV_SHARED_SF \
> BOOTENV_SHARED_PCI \
> BOOTENV_SHARED_USB \
> BOOTENV_SHARED_SATA \I'm adding Jagan here as he's been working on something similar and includes moving the new logic to a new include file. Thanks! -- Tom
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