Messages in this thread | | | Subject | Re: [PATCH v5 1/4] dt-bindings: firmware: Add bindings for ZynqMP firmware | From | Sudeep Holla <> | Date | Thu, 8 Mar 2018 11:48:09 +0000 |
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On 07/03/18 22:25, Jolly Shah wrote: > Hi Sudeep, >
[...]
>>> +Examples: >>> + firmware { >>> + zynqmp_firmware: zynqmp-firmware { >>> + compatible = "xlnx,zynqmp-firmware"; >>> + method = "smc"; >>> + }; >>> + }; >>> >> >> Do you foresee using SMC/HVC for this firmware even on future platforms? >> If not, I suggest to keep the protocol part separate from the transport i.e. >> smc/hvc via ATF. It could be replaced with mailbox or some h/w mechanism in >> future ? >> > > We have PSCI and EEMI interfaces exposed to linux from ATF. PSCI is > an EEMI client. We do not have current plans to switch to mailbox as it > will require 2 communication channels to PMU as PSCI is through ATF. >
OK, but I just saw some bindings that has mailbox interface, honestly it's getting too confusing with multiple series on the same thing floating and hence I requested to put it together as one series. -- Regards, Sudeep
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