Re: [PATCH v4 2/6] configs: mt8188: enable eMMC FIT boot from SPL

["Carlo Caione" <ccaione@baylibre.com>]

On Tue Aug 25, 2026 at 10:01 PM CEST, David Lechner wrote:
> On 8/14/26 9:47 AM, Carlo Caione wrote:
>> Enable the Genio 510 and Genio 700 SPL path entered by the external DDR
>> loader at 0x40000000. Bind the raw SPL to the loader's 0xaf000-byte copy
>> window, place BSS separately in DRAM, and retain the non-overlapping SPL
>> malloc region.
>> 
>> Use generic SPL MMC, GPT, FIT, and Arm Trusted Firmware support to load
>> the firmware FIT from eMMC partition 1. Keep U-Boot proper at the shared
>> MT8188 CONFIG_TEXT_BASE of 0x4c000000.
>> 
>> The MediaTek BL31 used on these boards stalls when passed the runtime
>> devicetree as its platform parameter. Enable SPL_ATF_NO_PLATFORM_PARAM
>> so SPL can still use the tree to locate OP-TEE and U-Boot while passing
>> NULL as the separate BL31 platform parameter.
>
> If we do another revision, it could be nice to explain where some more of
> these parameters come from. For example, 0x400bb800 seem quite specific
> like there would be a reason for it rather than a nice round number.

I'll fix the commit message in the next version.

--
Carlo Caione