Right, but that's a choice from manufacturers, not a requirement of building a mobile platform.
> It will always be cheaper for phone manufacturers to develop bespoke SoCs than it is for them to implement protocols and interfaces that make booting and hardware discovery standardized like they are on the PC.
This... seems suspect? I'm not doubting you, but I do wonder if it's a question of robbing Peter to pay Paul; perhaps it is cheaper to design a bespoke chip than it is to develop a standard for it, but over the course of many generations the benefits of standardizing would kick in?
I do know that RISC-V can support UEFI, so perhaps that's where we need to look to see how developments work out in the long run.
