Hi, On Thu, 2025-02-20 at 23:13 +0000, Jonas Karlman wrote: > The BootROM in Rockchip SoCs will enter maskrom mode when boot > firmware > cannot be found in nand/spi/mmc storage. > > In maskrom mode the USB OTG port can accept one of two custom > commands. > > Initially a 0x471 command to load TPL into SRAM. After TPL has been > executed and it has returned back-to-BROM, a 0x472 command to load > SPL > into start of DRAM. > > This series add two binman images that can be used to RAM boot from > maskrom mode: > - u-boot-rockchip-usb471.bin that contains TPL to init DRAM. > - u-boot-rockchip-usb472.bin that contains SPL and the normal FIT > payload with i.e. U-Boot proper, TF-A and FDT. > > These images can be used with rkbin tools/boot_merger to create a > loader > image to be used with rkdeveloptool or rockusb tools, e.g.: > > Create loader image: > $ ../rkbin/tools/boot_merger ./RK3588MINIALL.ini > > Boot from maskrom: > $ rkdeveloptool db u-boot-rockchip-rk3588-loader.bin > or > $ rockusb download-boot u-boot-rockchip-rk3588-loader.bin > > Or directly with tools such as rkflashtool or rkusbboot: > > $ rkflashtool l < u-boot-rockchip-usb471.bin > $ rkflashtool L < u-boot-rockchip-usb472.bin > or > $ rkusbboot u-boot-rockchip-usb471.bin u-boot-rockchip-usb472.bin > > This series depend on the "rockchip: ROCKCHIP_COMMON_STACK_ADDR > improvements" series [1] and the "rockchip: dts: Create a template > for > the FIT" patch [2]. See [3] for a branch with all depends. > > [1] https://patchwork.ozlabs.org/cover/2050003/ > [2] https://patchwork.ozlabs.org/patch/2044607/ > [3] > https://source.denx.de/u-boot/contributors/kwiboo/u-boot/-/commits/ramboot-v1 > I've tested this tree tagged by "ramboot-v1" on rk3399 and rk3588 with the generated u-boot-rockchip-usb47?.bin files and it's working fine.
This work sounds very useful imho, and possibly easier to use than DFU in SPL. Any hope to see this merged in next release ? If it helps: Tested-by: Arnaud Patard <arnaud.pat...@collabora.com>
