[U-Boot] [U-Boot, v3, 3/3] sysreset: psci: support system reset in a generic way with PSCI
Tom Rini
trini at konsulko.com
Wed Apr 19 13:03:18 UTC 2017
On Fri, Apr 14, 2017 at 11:10:24AM +0900, Masahiro Yamada wrote:
> If the system is running PSCI firmware, the System Reset function
> (func ID: 0x80000009) is supposed to be handled by PSCI, that is,
> the SoC/board specific reset implementation should be moved to PSCI.
> U-Boot should call the PSCI service according to the arm-smccc
> manner.
>
> The arm-smccc is supported on ARMv7 or later. Especially, ARMv8
> generation SoCs are likely to run ARM Trusted Firmware BL31. In
> this case, U-Boot is a non-secure world boot loader, so it should
> not be able to reset the system directly.
>
> Signed-off-by: Masahiro Yamada <yamada.masahiro at socionext.com>
Applied to u-boot/master, thanks!
--
Tom
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