Messages in this thread | | | Date | Fri, 07 Jan 2022 13:05:01 +0100 | From | Michael Walle <> | Subject | Re: [PATCH v3 2/2] arm64: dts: imx8m: define proper status for caam jr |
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Am 2022-01-07 12:58, schrieb Lucas Stach: > Am Freitag, dem 07.01.2022 um 12:47 +0100 schrieb Michael Walle: >> Hi Rouven, >> >> Am 2022-01-07 10:46, schrieb Rouven Czerwinski: >> > .. since AFAIK i.MX8M* can not be run without TF-A. >> >> Are you sure? There probably aren't any boards out there >> without TF-A, but why shouldn't it work without it? > > PSCI, i.e. the only means to start the secondary CPUs, is implemented > in TF-A, so it's very unlikely that anyone would want to run a system > without TF-A. Also quite a bit of the lowlevel SoC initialization is > implemented in TF-A.
Doesn't mean u-boot cannot implement PSCI; actually you doesn't need it at all, you can still use spin tables. I just keep hearing the same arguments for the LS1028A SoC and yet there is one board without TF-A ;) Anyway, I admit it's rather unlikely.
-michael
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