On Mon, Oct 05, 2026 at 18:05:54 +0100, David Lechner wrote: > 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?
Good idea. > > 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(). Ok. I'm going to push a V4 right away because I'm adding one new commit on top of this series for an important fix. Cheers, -- Carlo Caione
