<popolon>
I don't understand after the really light specs, if there will be a sata connector or if an external board (connecting to the 96 extended pin) is needed.
<Marex>
who cares anyway ... what are you afraid of ?
<hno>
Marex, none yet. But I do have JTAG running now.
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<furan>
hey hno, do you know much about the nand controller? every part I've studied in nand_id.c has table entries that do not match what is in the datasheets for the parts
<furan>
(for the a10)
<Marex>
hno: おおお
<Marex>
damn
<Marex>
hno: ooo
<Marex>
hno: good :)
<Marex>
I'm just fixing a bit of an upstream breakage ... it's a crazy thing to run CI builds :/
<Marex>
gnight
<Marex>
おやすみなさい (google translate should pick this like that ;-) )
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<furan>
sweet, got UART working for the first time
<Boulet>
:)
<Boulet>
our dear old uart !!!!
<furan>
haha
<furan>
hey Turl are you around?
<furan>
or anyone, does anyone know how the sdcard partition gets set up in android where the rest of the flash is used?
<furan>
it doesn't seem to be a partition defined in the config
<ZaEarl>
furan, I'm not sure I understand your question. LiveSuit typically handles the partitioning of the flash.
<furan>
right, but the partitions in the config file never contain the partition used for the 'internal sdcard'
<furan>
and yet it gets a nand partition
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<ZaEarl>
which "config file"?
<furan>
sys_config.fex
<furan>
which is used on the device side by an axf when livesuit asks the device to run it
<furan>
it is the 'UDISK' partition, it is always the last partition, and it is not defined in this file
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<furan>
found it
<furan>
in tools.dll in livesuit, when it asks for partitions to be set up, it adds 'UDISK' to the end, it's hardcoded
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<hno>
furan, not very familiar with the NAND controller unfortunately. Focusing on DRAM & USB at the moment.
<hno>
NAND is next.
<furan>
np. slowly working things out.
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<hno>
RaYmAn, do you happen to have the SD JTAG boot block snippet nearby?
<RaYmAn>
I'll add the code to sunxi-tools, if that makes sense?
<hno>
yes
<RaYmAn>
there
<RaYmAn>
Optimizations were being stupid, so it ended up being an assembly program
<hno>
fel-loop?
<hno>
jtag-loop i would think
<hno>
and there is no license blurb..
<hno>
RaYmAn?
<RaYmAn>
yeah, ok, I forgot that bit
<RaYmAn>
:P
<RaYmAn>
ok, fixed
<hno>
an intersting effect of having jtag wired is that it works having both sdcard and jtag probe connected at same time.
<hno>
RaYmAn, what optimization issues? Translated it to C and ends up being almost exact same instructions, only differing in registers used and order of the constants
<hno>
C version pushed.
<RaYmAn>
yeah, I guess that works =P
<RaYmAn>
i was doing the pretty way in C ;)
<RaYmAn>
with fancy OR'ing and stuff
<RaYmAn>
Was being stupid :)
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<hno>
Ah, regarding stupid.. somehow the JTAG probe works better if it's connected. Tried usign it with bot USB and JTAG cables disconencted from the probe...
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<RaYmAn>
lol
<RaYmAn>
surprising ;)
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<hno>
Hmm.. why isn't it booting from SD?
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<hno>
Seems the SD was poorly seated in the socket or something.
<RaYmAn>
furan: you can access it through the microsd pins witha breakout
<Turl>
"800 MHz ARM Cortex-A8 Processor"
<Turl>
underclocked A10 maybe? :P
<RaYmAn>
189$ ouch
<Turl>
someone on XDA will "port" the software to something cheaper RaYmAn for sure :P
<RaYmAn>
lol
<RaYmAn>
it's probably just google now
<RaYmAn>
:P
<Turl>
haha yeah possibly
<Turl>
android 41
<Turl>
4.1*
<hno>
RaYmAn, thanks, trhat worked better.
<RaYmAn>
hno: I have had absolutely zero luck accessing the memory it points at though. As in, no matter what I get all zeroes
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<hno>
RaYmAn, can you access the romtable?
<RaYmAn>
hno: not sure
<hno>
it's in the same bus
<hno>
and openocd obviously reads that one somehow
<RaYmAn>
yeah
<RaYmAn>
I got some kind of values out of cp14 with the openocd mrc command, but I didn't spend enough time on it to decode the values to see if they are sane
<CIA-124>
rhombus-tech: Christian master * r7e1b7daed066 /allwinner_a10/orders/Dalkon.mdwn:
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<repozitor1>
is this channel establish for SAM7X256?
<hno>
repozitor1, never heard of it.
<hno>
what is it?
<repozitor1>
it has ARM7TDMI processor
<hno>
Atmel micro controller it seems.
<repozitor1>
yes
<RaYmAn>
55mhz! :P
<tristezo2k2>
wild power!
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<tristezo2k2>
:)
<repozitor1>
:(
<repozitor1>
no it's power is very small
<tristezo2k2>
I was ironic :p
<repozitor1>
it has powerfull power consuption
<hno>
we focus on fullblown system controllers capable of running Linux.
<hno>
actually we focus on just one family currently (Allwinner A1x), but many others are present here as well.
<repozitor1>
is this channel for it or not?
<hno>
not really
<repozitor1>
what the context of this channel?
<hno>
repozitor1, read tpopic?
<hno>
s/tpo/to/
<ibot>
hno meant: repozitor1, read topic?
<repozitor1>
no, now to reading
<repozitor1>
ok, but i don't understand completely
<RaYmAn>
this channel isn't really for any particular device. But the common denomiator is probably: devices that can run full graphical linux.
<repozitor1>
you mean that this channel didn't establish for arm chip? i.e sam7x256?
<hno>
repozitor1, can you run a linux desktop on it?
<RaYmAn>
It's definitely in the lower bracket performance-wise :P
<RaYmAn>
There are A LOT of arm chips out there
<repozitor1>
hno, yes, but embeded linux no Desktop
<repozitor1>
there is exist many project for it, like RTOS
<repozitor1>
Real Time Operating System
<hno>
Is it the kind of CPU you would place in a ARM based netbook?
<hno>
not that ARM based netbooks is really the topic of this channel, but that's the class of CPUs we work with.
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<repozitor1>
ARM9TDMI can done your job fine
<repozitor1>
newer version like cortext is very very powerfull too :P
* hno
doubts
<repozitor1>
can you tell me what processor you are work on it?
<hno>
repozitor1, I did. see above.
<RaYmAn>
Currently, most discussion in here is about Allwinner A10 as hno said. It's a Cortex A8 based SoC with a fairly powerful 3D engine and video engine
<repozitor1>
yes
<RaYmAn>
It's 1ghz.
<repozitor1>
thanks a lot for helping,
<repozitor1>
if someone find the best channel for sam7
<repozitor1>
tell me in private message
<repozitor1>
night
<RaYmAn>
fifia
<RaYmAn>
arg
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<RaYmAn>
that was...peculiar.
<tristezo2k2>
btw,....
<tristezo2k2>
is it possible to move linux from SD to the internal nand space?
<hno>
tristezo2k2, yes.
<tristezo2k2>
I see the SD mimics partitions on the nand, so it should..
<tristezo2k2>
great.
<tristezo2k2>
and the tricky question, is it possible to go back to android? :)
<hno>
with a reflash yes.
<hno>
even possible to dual-boot probably, but most have fairly small nand.
<tristezo2k2>
agreed... 4 gigs on mine.
<tristezo2k2>
that reflash needs special hard or just the correct image and soft?
<hno>
tristezo2k2, just livesuite and your favorite Android image for the device in question.
<tristezo2k2>
great.
<tristezo2k2>
any place to read how to move it to nand?
<tristezo2k2>
I mean, instead of 2 hours of frantical search, if you have it at hand :)
<hno>
tristezo2k2, do you have UART console?
<tristezo2k2>
yes
<tristezo2k2>
115200 baud of wild transfer/second and working ok
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