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<Gerwin_J>
im looking for allwinner h64 devboard
<Gerwin_J>
is it all ready on the market?
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<libv>
Gerwin_J: does google know about it?
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<solarnetone>
hi. i am using vanilla debian sid on a cubieboard2 with A20. mainline u-boot is used as well. is there a way to force simplefb to a given resolution? i am using an 800x480 touchscreen, yet with EDID not reporting correctly, u-boot sets the fb to 1024x768.
<Inode>
perhaps you can set CONFIG_VIDEO_LCD_MODE in the defconfig?
<solarnetone>
this strategy would be recompile u-boot with this variable set this way?
<Inode>
yes it would, along with a few other CONFIG_VIDEO_LCD_* parameters
<solarnetone>
just for clarity: what i am trying to accomplish is a correct resolution after the kernel boots... res during u-boot is not an issue for me. from my understanding, the kernel simply uses the fb instantiated by u-boot?
<solarnetone>
hey... there are the correct clocks listing and such at that URL also. nice resource, Inode.
<solarnetone>
these parameters apply to HDMI connected displays as well?
<Inode>
well don't thank me, i didn't write any of it
<solarnetone>
:)
<solarnetone>
still, after all my reading, i had not found that until you pointed it out.
<solarnetone>
so you deserve a thanks for that, at least!
<Inode>
i have no idea off-hand if the "disp.screen0_output_mode" kernel parameter is available in the mainline kernel
<Inode>
but that may be worth a try, from what i can see
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<Inode>
i'm running debian 8 on an A23 tablet that's also using simplefb over a 800x480 LCD, and i have just attempted to change my display resolution with the fbset utility, and it made no difference at all
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<Inode>
s/over/with/
<solarnetone>
lcd is connected via gpio pins or similar in your case?
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<Inode>
it seems to be connected to the LCD_{R,G,B}?, LCD_{H,V}SYNC, LCD_DE and LCD_CLK pins on the SoC
<Inode>
well pins/balls
<Inode>
with 50pin FPC between the board and LCD panel
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<solarnetone>
yeah. i think i am going to have to define a new modeline in videomodes.c
<solarnetone>
to get the desired effect with hdmi
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<solarnetone>
either that, or set videomodes.h CONFIG_SYS_DEFAULT_VIDEO_MODE to bootargs
<solarnetone>
and do it in the u-boot env variables, which is likely more appealing.
<libv>
ssvb: that looks like one very complete device page ;)
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<ssvb>
libv: thanks, but it is still missing some important information
<ssvb>
solarnetone: are you using HDMI or LCD display?
<libv>
ssvb: what did i overlook?
<ssvb>
libv: not much, just a full description of arduino headers is missing
<libv>
ah, good, then i missed nothing standard ;)
<ssvb>
the UART picture also could use the RX/TX/GND labels :-)
<libv>
isn't that also printed on the board?
<libv>
if so, that picture is good enough
<ssvb>
no, there are no helpful labels on the board
<libv>
yuck
<ssvb>
also dram reliability is an issue, but I'm working on it
<ssvb>
probably will send some patches later today
<ssvb>
libv: should we probably rename these pages "LinkSprite pcDuino V2" -> "LinkSprite pcDuino2"?
<solarnetone>
what can i say... it was a $65 ebay touchscreen made for rasppi, and when i say made for, i mean they provide only an OS image for a SD card for rasppi to operate the touchscreen. no code, nothing. someone hacked a uinput setup for it in python, which makes the touchscreen work despite lack of kernel code.
<ssvb>
solarnetone: maybe try to add a 800x480 entry here and make it a fallback default - http://git.denx.de/?p=u-boot.git;a=blob;f=drivers/video/videomodes.c;h=cf71ad120ecef3ab2fe49ff4fdb09db5123fdcae;hb=HEAD#l88 ?
<ssvb>
solarnetone: as a quick hack, you can probably even try to mutilate the 1024x768 line
<solarnetone>
so make a 0x31C entry then, as opposed to bootargs?
<ssvb>
well, if bootargs work fine, then all is good :-)
<ssvb>
do you have a link to some web page about this hardware?
<solarnetone>
so then i run nodm on the box, launch Printrun when the session starts, and the cubieboard boots to the pronterface machine control interface.
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<Wizzup>
interesting ... the spring in my olimex microsd card is broken
<Wizzup>
the card doesn't want to 'stay inside' the reader
<Wizzup>
on the a10 lime
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<libv>
Wizzup: :(
<libv>
so the mechanism is broken
<libv>
it works here
<Wizzup>
yeah, I have several LIMEs, and it broke
<Wizzup>
... just for this one*
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<Wizzup>
I could desolder the sd card reader, I guess
<Wizzup>
not sure if it is easy/possible to remove the spring
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<RSpliet>
likely the time it costs multiplied by your hourly income is higher than buying a new board, but I like the idea :-P
<RSpliet>
*the cost of
<Wizzup>
RSpliet: if I cared about money I wouldn't put so much free time in a hackerspace :)
<RSpliet>
hahaha yes very true.
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<Wizzup>
I'll see if I can spot some olimex people at openfest