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_> Writing DDR init!
<f_> Will be a new codebase.
<f_> The "major" difference will be the fact that I'll most-likely use device trees for timing data.
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<narmstrong> Nice!
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<f_> narmstrong: Only problem; no idea what most of the registers are doing :P
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<f_> Just saw this in the datasheet:
<f_> Page 274 in the S905 datasheet: "DDR PHY PUB register"
<f_> "Base address 0xc8836000. Please refer dwc_ddr_multiphy_g2_pubm2_databook.pdf."
<f_> They split the whole thing
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<f_> This is where I ask now who has this pdf lol
* f_ looks it up.
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<f_> Hope they made it public too.
<f_> Can't find it.
<f_> But looking at the pdf name I see "dwc"
<f_> and everyone knows (right???) that dwc means DesignWareCores?
<f_> I know for sure "dw" means DesignWare
<f_> But unsure about the "c".
<f_> Looking that up I see.....interesting results
<f_> Let me <del>Google</del> SearX that for you.
<f_> Ok forget that one, looks suspicious.
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<f_> narmstrong: So you were right about a Synopsys/DesignWare DDR controller.
<f_> Still need to find the full datasheet.
<narmstrong> Nice finding, Dwc data books are quite hard to find
<f_> agreed
<f_> Hope someone has a copy of it.
<exkcmoeadmin[m]> f_:
<exkcmoeadmin[m]> hope it will help
<exkcmoeadmin[m]> note they are locked with a pay well
<f_> Oh
<f_> Thanks exkcmoeadmin[m]
<f_> Doesn't look like a paywall, but I need a throwaway email..
<exkcmoeadmin[m]> i loged in with my gmail
<f_> Thank you for taking the risk
<exkcmoeadmin[m]> it asked me to pad a subscription to download it or view it
<lvrp16> exkcmoeadmin[m]: :D
<exkcmoeadmin[m]> Ah
<exkcmoeadmin[m]> the subscription is free for fisrt mo or yr
<exkcmoeadmin[m]> something like that
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<f_> exkcmoeadmin[m]: It's from 2011....
<f_> But let's see!
<exkcmoeadmin[m]> yeah
<exkcmoeadmin[m]> can u give to me
<f_> Not now.
<f_> Need to download first.
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<f_> Yeah having trouble finding DWC data books.
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<f_> Meanwhile, I found a way to share my analysis.
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<f_> My reverse-engineering notes which you can import in Ghidra!
<f_> (there's also a gzf file you can import, but you can also import the txt file or the C file)
<f_> Feel free to fork and/or use!
<f_> I'll frequently update those.
<f_> (or at least I'll try)
<exkcmoeadmin[m]> Hell yeah
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<f_> Will have to go. Bye!
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