On Tue, Jul 01, 2014 at 04:05:47PM +0100, Stephen Warren wrote: > On 07/01/2014 04:50 AM, Catalin Marinas wrote: > > On Mon, Jun 30, 2014 at 08:36:36PM +0100, Thierry Reding wrote: > >> On Mon, Jun 30, 2014 at 02:16:34PM +0100, Lorenzo Pieralisi wrote: > >>> And I think that most of the early bring up issues are just related to > >>> powering-up/resetting a cpu for it to be booted, probably that's the > >>> abstraction we should be focusing on, because it should just require poking > >>> a bunch of registers to kickstart a CPU, no more than that, FW should be > >>> able to deal with that and that's yet another reason behind PSCI design. > >> > >> Right, I agree that if we can push that into PSCI that would be great > >> (provided there's an open-source implementation of PSCI). > > > > At least one (BSD-style license): > > > > https://github.com/ARM-software/arm-trusted-firmware > > > > There are also some patches for U-Boot (only covering secondary CPU > > booting for now and not merged yet). > > Are the U-Boot patches: > > a) Patches to make U-Boot provide a PSCI implementation. > > b) Patches to make U-Boot use PSCI as a client. > > If you have a link or patch subject to search for, that'd be > interesting. It's (a). See the base stuff: https://git.kernel.org/cgit/linux/kernel/git/maz/u-boot.git/log/?h=wip/psci-v4 and Allwinner specifics: https://git.kernel.org/cgit/linux/kernel/git/maz/u-boot.git/log/?h=wip/psci-v4-a20 -- Catalin -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html