lekernel changed the topic of #milkymist to: Milkymist One, Migen, Milkymist SoC & Flickernoise :: Logs: http://en.qi-hardware.com/mmlogs :: EHSM Berlin Dec 28-30 http://ehsm.eu
<wolfspraul> llhdl and antares still 404...
<wolfspraul> maybe I dig in my archives somewhere and upload a mirror
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<wolfspraul> ok I temporarily uploaded llhdl and antares until Sebastien gets to it, then I delete again... https://github.com/weidu/llhdl https://github.com/weidu/antares
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<Fallenou> wolfspraul: ok thanks for the upload :)
<wolfspraul> very welcome
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<cladamw_> (layers) 1- Top(red), 2- gnd(brown), 3- in1(dark green), 4- in2(light green), 5-pow(purpure), 6-Bottom(blue)
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<lekernel> http://lekernel.net/wacom.pdf pcb scans of a wacom tablet
<Fallenou> nice
<wpwrak> hmm. so the layout guys converted one of the ground layers of m1rc3 to a signal layer.
<wpwrak> so we should look for parallel green-green lines, as they could have crosstalk. the light green power trace behind J16 has a dark green trace underneath it for a while.
<wpwrak> and there's also green-green fun below the label "C225"
<Fallenou> they removed a ground layer ?
<wpwrak> and of course north and northeast of J27
<Fallenou> I guess they know what they're doing since they do layout for graphics card, mother boards etc
<Fallenou> at least they know better than me :p
<wpwrak> looks promising, though. the routing of the dvi signals looks nice. i just hope trace length isn't nearly as critical as some of those data sheets want to make us believe
<wpwrak> trust is good. control is better ;-)
<Fallenou> I guess we won't be able to output 4k resolution anyway :p
<Fallenou> 4k is the new "HD" marketing term, it will soon pop on every package =) bigger bigger bigger !
<wpwrak> 4k was yesterday. now it's 8K UHDTV
<Fallenou> 8k OLED
<Fallenou> \o/
<wpwrak> if the folks at ITU have done a good job, then even 8K UHDTV will have some CGA-like fallback mode. like even USB 3.0 still includes good old low-speed. marketine people like this. "<B>USB <BLINK>3.0</BLINK> compliant ports</B> <FONT size="0.5pt">Low-speed</FONT>"
<Fallenou> lol !
<Fallenou> AFAIK USB 3.0 is so "different" than 2.0 they had to include a complete 2.0 host inside the 3.0 host
<Fallenou> in order to keep compatibility
<wpwrak> remember, they did just the same with high-speed
<Fallenou> hum really ?
<wpwrak> took years before the EHCIs started to disappear
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<wpwrak> UHCI for full and low plus an EHCI for high
<Fallenou> oh ok
<Fallenou> then you have OHCI for both full low and high ?
<wpwrak> they're in the same chip. with a switch for the signal lines. doesn't get much cruder ;-)
<wpwrak> yes, low an high were always together
<wpwrak> i.e., there's no USB 0.x that only does low-speed ;-)
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<Fallenou> hop polled uart is working :)
* Fallenou has a bios prompt working with irq disabled
<lekernel> :)
<Fallenou> ok exception handler is executed when I read from a non mapped address on real FPGA
<Fallenou> right now exception handler disables MMU and prints "TOTO" and then return
<Fallenou> it returns to the code which was previously running :)
<Fallenou> so far, so good
<Fallenou> now let's analyze existing mapping an re-map the faulty page
<Fallenou> and*
<Fallenou> not sure if I can retrieve the virtual address which caused the fault from the exception handler right now
<Fallenou> let's commit a bit in order to show that progress has been made :p
<GitHub85> [milkymist-mmu] fallen pushed 2 new commits to mmu: http://git.io/xScMQA
<GitHub85> [milkymist-mmu/mmu] Improve MMU DTLB load store tests - Yann Sionneau
<GitHub85> [milkymist-mmu/mmu] Add support for polling mode UART - Yann Sionneau
<GitHub88> [milkymist-mmu] fallen pushed 1 new commit to mmu: http://git.io/uFKcKA
<GitHub88> [milkymist-mmu/mmu] Make DTLB generate exception uppon TLB miss - Yann Sionneau
<GitHub142> [milkymist-mmu] fallen pushed 1 new commit to mmu: http://git.io/2vGWvw
<GitHub142> [milkymist-mmu/mmu] Add a test for DTLB exception handling in Milkymist BIOS - Yann Sionneau
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