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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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<
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
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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_>
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_>
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_>
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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