narmstrong changed the topic of #linux-amlogic to: Amlogic mainline kernel development discussion - our wiki http://linux-meson.com/ - ml linux-amlogic@lists.infradead.org - official channel moved from Freenode - publicly logged on https://libera.irclog.whitequark.org/linux-amlogic
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<f_> now that's new
<f_> Unlike former GX SoCs, there *is* some sort of secureboot on the Cortex-M on g12b
<f_> on gxbb/gxl only BL1 and BL2 check signatures/encryption and such, so if you end up being able to run unsigned code as BL2 you're free to go nuts on the SCP
<f_> seems like that wouldn't be the case on g12 anymore
<f_> looking at amlogic bsp it also looks like at least some g12b has both a Cortex-M3 and Cortex-M4??
<f_> "security control"
<f_> I'm calling it Magic3 then
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<f_> I'd be glad to know what Magic3 is actually for though, if anyone knows and can tell :p
<f_> but I guess for now I shouldn't need to mess around with it
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<lvrp16> f_: yeah on GXL is relatively unrestricted. G12 they beefed up the security. Probably the LPDDR4 NDA IP? everyone treats tuning LPDDR4+ like something worth protecting.
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