On 9/30/26 7:51 AM, Carlo Caione wrote: > From: Julien Masson <[email protected]> > > Genio 510 and 700 need a way to provision blank eMMC and recover from > unusable boot firmware without relying on the installed bootloader. Add > a BootROM-loaded fastboot agent that also prepares the eMMC boot > settings so newly flashed firmware can boot. >
... > diff --git a/arch/arm/dts/mtk-genio-da-binman-u-boot.dtsi > b/arch/arm/dts/mtk-genio-da-binman-u-boot.dtsi > new file mode 100644 > index 00000000000..fb6fadb492f > --- /dev/null > +++ b/arch/arm/dts/mtk-genio-da-binman-u-boot.dtsi > @@ -0,0 +1,16 @@ > +// SPDX-License-Identifier: (GPL-2.0-only OR MIT) > +/* > + * Copyright (c) 2026 BayLibre, SAS. > + * Author: Carlo Caione <[email protected]> > + */ > + > +&binman { > + da: da { > + filename = "da.bin"; > + pad-byte = <0>; > + > +/* DA authentication is handled by the BootROM download tooling. */ > +#define MTK_GENIO_SPL_NO_FIT_KEYS > +#include "mtk-genio-loader-spl-binman-u-boot.dtsi" > + }; > +}; Since the download agent and MTK_GENIO_BOOT_IMAGES are mutually exclusive, could the loader dtsi just check !defined(CONFIG_MTK_BROM_DOWNLOAD_AGENT) instead of a private MTK_GENIO_SPL_NO_FIT_KEYS define? > diff --git a/arch/arm/mach-mediatek/download_agent.c > b/arch/arm/mach-mediatek/download_agent.c > new file mode 100644 > index 00000000000..e73b6a6b161 > --- /dev/null > +++ b/arch/arm/mach-mediatek/download_agent.c > @@ -0,0 +1,69 @@ > +// SPDX-License-Identifier: GPL-2.0-only > +/* > + * Copyright (c) 2026 BayLibre, SAS. > + * Author: Julien Masson <[email protected]> > + */ > + > +#include <dm/uclass.h> > +#include <fastboot.h> > +#include <mmc.h> > +#include <stdio.h> > +#include <linux/errno.h> Also spl.h for spl_board_init() and init.h for board_late_init().
