[U-Boot] [PATCH v4] spl: add support to booting with ATF

[Heiko Stuebner]

Am Freitag, 5. Mai 2017, 11:47:45 CEST schrieb Kever Yang:
> ATF(ARM Trusted Firmware) is used by ARM arch64 SoCs, find more infomation
> about ATF at: https://github.com/ARM-software/arm-trusted-firmware
> 
> SPL is considered as BL2 in ATF terminology, it needs to load other parts
> of ATF binary like BL31, BL32, SCP-BL30, and BL33(U-Boot). And needs to
> prepare the parameter for BL31 which including entry and image information
> for all other images. Then the SPL handle PC to BL31 with the parameter,
> the BL31 will do the rest of work and at last get into U-Boot(BL33).
> 
> This patch needs work with patches from Andre for SPL support multi
> binary in FIT.
> 
> The entry point of bl31 and bl33 are still using hard code because we
> still can not get them from the FIT image information.
> 
> Signed-off-by: Kever Yang <kever.yang at rock-chips.com>

On a rk3399-firefly
Tested-by: Heiko Stuebner <heiko at sntech.de>