Hi Tom, On Wed, 5 Feb 2025 at 06:52, Tom Rini <tr...@konsulko.com> wrote: > > On Tue, Feb 04, 2025 at 06:55:19PM -0700, Simon Glass wrote: > > > Where the bloblist is located in internal memory and TF-A's BL31 blob > > removes access to this memory, the best option seems to be to relocate > > the bloblist just before running TF-A. > > > > Add an option to select this behaviour and provide a relocation address. > > > > Signed-off-by: Simon Glass <s...@chromium.org> > > --- > > > > common/Kconfig | 20 ++++++++++++++++++++ > > common/bloblist.c | 15 ++++++++++++++- > > common/spl/spl.c | 9 +++++++++ > > 3 files changed, 43 insertions(+), 1 deletion(-) > > > > diff --git a/common/Kconfig b/common/Kconfig > > index 0e8c44f3f74..962e7fd76eb 100644 > > --- a/common/Kconfig > > +++ b/common/Kconfig > > @@ -1125,6 +1125,26 @@ config SPL_BLOBLIST_ALLOC > > > > endchoice > > > > +config SPL_BLOBLIST_RELOC > > + bool "Relocate the bloblist before existing SPL" > > + depends on BLOBLIST_FIXED > > + help > > + Some platforms locate the bloblist in SRAM in SPL. In some cases, > > + the TF-A BL31 blob removes access to SRAM, e.g. with Rockchip > > RK3399. > > + > > + Enable this option to make U-Boot copy the bloblist from SRAM to > > SDRAM > > + before leaving SPL. > > Isn't this because TF-A is (re?-)initializing SDRAM? I'll let one of the > Rockchip people chime in here, thanks.
Not so far as I know. The DRAM init is in U-Boot on this platform. Regards, SImon
