Hi Jonas, On Sun, 5 Feb 2023 at 13:21, Jonas Karlman <jo...@kwiboo.se> wrote: > > Rockchip SoCs typically use U-Boot TPL to initialize DRAM, then jumps > back to boot-rom to load the next stage of the boot flow, U-Boot SPL. > > For RK356x there is currently no support to initialize DRAM using U-Boot > TPL and instead an external TPL binary must be used to generate a > working u-boot-rockchip.bin image.
Who is working on this suppose? Having a binary blob is a pain. > > This adds a new generic external-tpl entry to binman and make use of > this new entry in rockchip-u-boot.dtsi. > > Please note that the allow-missing flag and the added missing-msg entry > does not work as expected becuase the wrapping mkimage entry used > requires that the files to all child entries exists. > Instead without a provided EXTERNAL_TPL the build fails with: > > ValueError: Filename 'ddr.bin' not found in input path (...) > > originating from > > Entry_mkimage.ObtainContents: > fnames.append(tools.get_input_filename(entry.GetDefaultFilename())) > > Not sure how to properly add support for allow-missing flag to mkimage > entry, possible something for another series? If it's an input file, then Bincan supports creating a fake external blob, which should already be handled in mkimage.py But if I misunderstand, or there is a bug, let me know. Eegards, SImon > > Regards, > Jonas > > Jonas Karlman (3): > binman: Add support for an external-tpl entry > rockchip: Require an external TPL binary when TPL is missing > Revert "board: rockchip: Fix binman_init failure on EVB-RK3568" > > Makefile | 1 + > arch/arm/dts/rockchip-u-boot.dtsi | 16 ++++++++++++---- > configs/evb-rk3568_defconfig | 1 - > tools/binman/entries.rst | 12 ++++++++++++ > tools/binman/etype/external_tpl.py | 18 ++++++++++++++++++ > tools/binman/ftest.py | 7 +++++++ > tools/binman/missing-blob-help | 5 +++++ > tools/binman/test/277_external_tpl.dts | 16 ++++++++++++++++ > 8 files changed, 71 insertions(+), 5 deletions(-) > create mode 100644 tools/binman/etype/external_tpl.py > create mode 100644 tools/binman/test/277_external_tpl.dts > > -- > 2.39.1 >
