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<oliv3r>
mripard_: heh, now i have to change the entire device type around; i guess okay :)
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<navlrac>
does anyone know whether the A20 (Cortex-A7) bootloaders start (Linux / u-boot) in secure-world or non-secure, and also whether Hyp mode is useable or disabled ?
<mripard_>
oliv3r: ? what type ? platform_device?
<mripard_>
you can't change that.
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<hno>
navlrac, if you by secure world think about TrustZone secure wordl then it's normal world (not TrustZone protected). Not sure about virt support.
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<oliv3r>
mripard_: but greg said 'why use platform_device, why not change to a regular device'
<oliv3r>
mripard_: i'll think more about it tonight, i want to spend today on a31 u-boot
<oliv3r>
hno: i think you have a few patches that should be ready to merge now :)
<navlrac>
hno: thanks. yes I was referring to TrustZone secure world.
<navlrac>
hno: If u-boot/Linux is started in SVC mode, I don't think its easy to get back to Hyp, without the secure monitor's help.
<navlrac>
hno: is there a monitor installed? does it have a public API?
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<mripard_>
oliv3r: you can't change the fact that it's a platform_device, you're making MMIO access to it.
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<oliv3r>
navlrac i don't think we use the trustzone at all
<oliv3r>
mripard_: but doesn't greg know that?
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<wingrime>
ssvb: when disp will be deprecated , how I can use overlay for video playing
<wingrime>
ssvb: I have intension add mplayer cedar out source
<wingrime>
ssvb: but how I can do it without /dev/disp
<wingrime>
?
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<ssvb>
wingrime: you will be using hardware layers for video output, accessible by some userspace API (if not disp, then maybe drm or whatever replaces it)
<Antti>
Hi, i'm having problem with rebooting Olimex A13
<Antti>
reboot command starts to shutdown system for reboot
<Antti>
but then just hangs
<Antti>
this reproduces on Debian and Ubuntu 12.04 images, kernel 3.0.76 and 3.4 kernels
<Antti>
would you have any help how to make reboot booting up ?
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<oliv3r>
antti did you try the 'poweroff' command?
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<Superpelican>
oliv3r: I'm trying to compile U-Boot for the Protab 2 XXL (the tablet you just added support for yesterday)
<oliv3r>
Superpelican: did i make typo's?
<oliv3r>
i would hope not :)
<Superpelican>
oliv3r:But I get make error 2: "$HOME/workspace/PC1007_dev/sunxi-uboot/u-boot-sunxi/board/sunxi/board.c:85: undefined reference to `sunxi_dram_init'"
<oliv3r>
wait, let me try
<Antti>
oliv3r: yes i tried poweroff. did not reboot :)
<oliv3r>
well poweroff works by poking the axp; reboot pokes the watchdogtimer
<oliv3r>
it _should_ work, in theory
<Antti>
hmm.. sorry now didnt quite follow
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<oliv3r>
Superpelican: you are right
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<Superpelican>
oliv3r:Why does the function sunxi_board_init check twice for !ramsize ?
<oliv3r>
ohh a typo!
<oliv3r>
Superpelican: because sometimes it's slow :)
<oliv3r>
i have a typo in the Makefile
<oliv3r>
it says XLL instead of XXL
<Superpelican>
ok thanks for checking it
<Superpelican>
oliv3r:So now I have to clone the sunxi-current repo again?
<oliv3r>
git pull should be enough
<Superpelican>
oh yeah
<Superpelican>
that's an option too :)
<Antti>
is there any config option to check in script.fex to make reboot work?
<oliv3r>
antti for reboot you need the watchdog timer to work correctly
<oliv3r>
it should work out of the box
<oliv3r>
how do you reboot?
<oliv3r>
what OS are you running?
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<oliv3r>
iirc on my tablet, reboot for example only works from the XFCE gui; but not from the console
<oliv3r>
or was it shudtown? i forget
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<Antti>
i have ubuntu 12.04
<Antti>
with 3.0.76 kernel
<oliv3r>
do you shutdown from the console?
<Antti>
and rebooting just from console. dont have x
<oliv3r>
ah
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<oliv3r>
you use reboot or shutdown -r ?
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<Antti>
reboot
<Superpelican>
oliv3r:Looks like I have success :)
<oliv3r>
\o/
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<Antti>
oliv3r: and looks it same with shutdown -r, hanging :(
<oliv3r>
Antti: then I do not know, sorry :) might be an OS thing, or a kernel thing
<Antti>
np, thanks anyway :)
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<Superpelican>
oliv3r:Does uboot-sunxi support ext4 as root partition?
<oliv3r>
#define CONFIG_CMD_EXT2>>-------/* with this we can access ext2 bootfs */
<oliv3r>
#define CONFIG_CMD_ZFS>->-------/* with this we can access ZFS bootfs */
<oliv3r>
#define CONFIG_CMD_EXT4>>-------/* with this we can access ext4 bootfs */
<oliv3r>
u-boot-spl is the secondary program loader
<oliv3r>
BROM is inside the chip, and executes the SPL
<oliv3r>
the SPL setups up the DRAM controller, mmc controller and starts u-boot
<oliv3r>
u-boot is the whole thing
<oliv3r>
the reason we have it split out, the BROM can only load 24 kiB max.
<Superpelican>
but if SPL only loads U-boot, it's U-boot that has to handle the ext4 root partition?
<Superpelican>
Why does spl need to support ext4 then?
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<oliv3r>
if there where more room and spl could allow ext4, we could load the entire u-boot from spl
<oliv3r>
from ext4
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<Superpelican>
So if you would let uboot-sunxi drop ext2 support for example, you could add ext4 support?
<Superpelican>
So U-Boot would not become to big
<oliv3r>
u-boot has everything
<oliv3r>
the spl has nothing
<oliv3r>
the spl loads u-boot
<oliv3r>
so you have everything :)
<oliv3r>
you can put your kernel on ext4 and boot it with our current u-bot
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<libv>
deinterlacing is line-alternating alternate frame rendering
<oliv3r>
interlacing is the devils work
<libv>
well, undoing that even
<rellla>
yeah, but is a10 able to deinterlace using hw?
<libv>
very likely
<oliv3r>
having a hardware deinterlacer would be pretty cool; i use a raspberry.pi currently do watch TV via tvheadend + XBMC and the interlacing is horrbile
<rellla>
libv: and is it implemented or useable yet?
<libv>
rellla: i wouldn't know
<libv>
rellla: but probably not
<libv>
rellla: if you are looking for a project, allwinner SoCs has many open projects
<rellla>
this would be done in the kernel/disp part, right?
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<rellla>
libv: give me the skills \o/
<libv>
this smells like a media engine thing
<libv>
otherwise it wouldn't be able to correlate with motion compensation
<oliv3r>
e.g. cedarX
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<rellla>
cedarx :(
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<jelly-home>
I've got an A20-based Mele M5. Is there a way to get at relevant boot parameters (script.bin and whatever) from android so I could take a stab at booting Linux?
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<vincenzo>
Hi I'm trying to understand how HDMI works... HDMI works (from the shell I can enable disable it using ioctls on a /dev/disp device) but carbon/android does not handle it by itself...
<vincenzo>
Anybody knows how to link the /dev/disp device to the android (form me still mysteroius) frameworks?
<vincenzo>
I'd lile to just plug the cable and go, like it was possible on the stock ROM/kernel.
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<pirea>
hy all
<pirea>
know somebody how to transform a object file to assember or C?
<Guest82596>
objdump
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<pirea>
Guest82596 and from assembler to C?
<oliv3r>
pirea: you want to decompile? you have to look at professional tools like IDA pro
<pirea>
oliv3r i want decompile cedarx libve object files
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<pirea>
oliv3r are you here?
<Guest82596>
pirea: not sure asm to C
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<pirea>
mali400 sucks
<pirea>
cedarx sucks
<oliv3r>
pirea: talk to wingrime_ :)
<oliv3r>
mripard_: ping
<oliv3r>
i'll mail you, i need you now :p
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<n01_>
oliv3r: hope you don't mind the joke on nitpicking ;)
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<rz2k>
pirea: everything sucks
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