On Thu, Jul 21, 2016 at 08:23:13PM +0530, Ravi Babu wrote: > Traditionally the DFU support is available only > as part 2nd stage boot loader(u-boot) and DFU > is not supported in SPL. > > The SPL-DFU feature is useful for boards which > does not have MMC/SD, ethernet boot mechanism > to boot the board and only has USB inteface. > > This patch add DFU support in SPL with RAM > memory device support to load and execute u-boot. > And then leverage full functionality DFU in > u-boot to flash boot inital binary images to > factory or bare-metal boards to memory devices > like SPI, eMMC, MMC/SD card using USB interface. > > This SPL-DFU support can be enabled through > Menuconfig->Boot Images->Enable SPL-DFU support > > Signed-off-by: Ravi Babu <ravib...@ti.com> > --- > Kconfig | 27 +++++++++++++++++++++++++++ > common/Makefile | 1 + > common/command.c | 2 +- > scripts/Makefile.spl | 4 ++++ > 4 files changed, 33 insertions(+), 1 deletion(-) > > diff --git a/Kconfig b/Kconfig > index ef12f9f..ed3e295 100644 > --- a/Kconfig > +++ b/Kconfig > @@ -336,6 +336,33 @@ config SPL_FIT_IMAGE_POST_PROCESS > injected into the FIT creation (i.e. the blobs would have been pre- > processed before being added to the FIT image). > > +config SPL_DFU_SUPPORT > + bool "Enable SPL with DFU to load binaries to memory device" > + depends on USB && TARGET_DRA7XX_EVM
This seems needlessly restrictive.
> diff --git a/common/command.c b/common/command.c
> index e5d9b9c..d1c049c 100644
> --- a/common/command.c
> +++ b/common/command.c
> @@ -520,7 +520,7 @@ enum command_ret_t cmd_process(int flag, int argc, char *
> const argv[],
> if (argc > cmdtp->maxargs)
> rc = CMD_RET_USAGE;
>
> -#if defined(CONFIG_CMD_BOOTD)
> +#if defined(CONFIG_CMD_BOOTD) && !defined(CONFIG_SPL_BUILD)
> /* avoid "bootd" recursion */
> else if (cmdtp->cmd == do_bootd) {
> if (flag & CMD_FLAG_BOOTD) {
Why do we need this?
--
Tom
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