On Mon, Aug 22, 2016 at 09:53:18AM +0530, Lokesh Vutla wrote: > > > On Friday 19 August 2016 08:59 PM, Andrew F. Davis wrote: > > On 08/18/2016 11:10 PM, Lokesh Vutla wrote: > >> > >> > >> On Thursday 18 August 2016 09:11 PM, Andrew F. Davis wrote: > >>> Currently U-Boot proper has Kconfig options that enable the generation > >>> of U-Boot binaries that are capable of being booted from the selected > >>> boot media type. The same set of generation targets for SPL are assumed > >>> with various methods and config header hackery. On some platforms the > >>> options for SPL, such as load address, are dependent on boot type > >>> and cannot depend on boot image type selected for U-Boot proper. > >>> Add a Kconfig menu to select SPL boot image types, and populate it > >>> with the same media types as are already available for U-Boot proper. > >>> Uses of this option are added later. > >>> > >>> Signed-off-by: Andrew F. Davis <a...@ti.com> > >>> --- > >>> common/Kconfig | 69 > >>> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > >>> 1 file changed, 69 insertions(+) > >>> > >>> diff --git a/common/Kconfig b/common/Kconfig > >>> index f594db5..90ba5b2 100644 > >>> --- a/common/Kconfig > >>> +++ b/common/Kconfig > >>> @@ -156,6 +156,75 @@ config SPI_BOOT > >>> booted via SPI flash. This is not a must, some SoCs need this, > >>> somes not. > >>> > >>> +menu "SPL Boot media" > >>> + depends on SPL > >>> + > >>> +config SPL_NOR_BOOT > >>> + bool "Support for booting SPL from NOR flash" > >>> + default n > >> > >> Shouldn't this depend on SPL_NOR_SUPPORT? Similarly others. > >> > > > > Nope, these simply enable the SPL to be built for being itself loaded > > from this media, for instance the SPL does not need to know how to load > > images over UART just because it itself was. > > Right, but how does SPL decide the boot media to load images?. Typically > it tries to load from the same boot media it was loaded. If it couldn't > find then it will fallback to other options. At least it is good to > select SPL_<media>_SUPPORT as it is the first thing SPL searches for.
Yes, but this is different from just migrating everything into Kconfig. I said this in another part of the series but I think we need to start by getting the options in and then as a follow-up to get depends/selects added. -- Tom
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