On Wed, Sep 09, 2026 at 14:35:53 +0100, David Lechner wrote:
> On 9/6/26 10:30 AM, Carlo Caione wrote:
> > Enable the shared Genio 510/700 SPL path entered by the external DDR
> > loader. Keep BSS after the downstream SPL reservation, leaving a 0xc800
> > guard after the copy window and space for the initial stack and early
> > allocations. Use an 8 MiB heap for loading the firmware FIT.
> > 
> > Load BL31, OP-TEE and U-Boot from eMMC partition 1 using generic SPL
> > support. The MediaTek BL31 stalls when given a runtime devicetree as its
> > platform parameter, so pass NULL there while retaining the standard
> > firmware entry-point parameters.

[...] 
> > +# CONFIG_SPL_USE_TINY_PRINTF is not set
> 
> I guess this is for SPL fastboot support later?

Fastboot needs it too, but the current normal SPL configuration already
requires it: the MediaTek pinctrl driver's mtk_get_pin_muxing() and
mtk_pinconf_get() use scnprintf(), which tiny printf doesn't provide.

--
Carlo Caione

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