According to the Lite5200B schematic http://www.freescale.com/files/32bit/hardware_tools/schematics/lite5200BSCH.pdf
PSC2_4 is tied to a signal called PWR_DN_CTL_STS via a zero ohm resistor R88. If you want to use PSC2_4 as something else you probably need to remove R88. On 12/15/06, John Rigby <[EMAIL PROTECTED]> wrote:
Have you looked at the Lite5200B schematic to see where the signals in question go? Maybe you trying to drive something tied to ground high or vice-versa. On 12/15/06, Pedro Luis D. L. <[EMAIL PROTECTED]> wrote: > > Hi all, > > I not pretty sure if this is the correct forum to ask for a solution but > I > know that some of you have worked on a driver to make PSCs in this board > work in an I2S mode. > > Have you ever have powerfail problems when writing the configuration > registers for this mode? > > I´ve delimited the problem: > - GPIO Port Config register stores without problems the value "111" in > bits > 25:27 (PSC2 to work in CODEC2 functionality with MCLK). > - When I write a "1" in PSC2->SICR register bit GenClk to ensure that > clock > and FrameSync are generated internally from MCLK the systems suffers a > powerfail and I suppose that´s consecuence or some kind of shortcircuit. > I´ve followed the same steps made by Bob Peterson in > http://ozlabs.org/pipermail/linuxppc-embedded/2005-September/020210.html > to write the configuration in the proper registers but I still suffer > the > powerfail when GenClk is activated or, if I activate that bit first, > when > Port Config is written. > I´m also trying to understand how things are done in Roman Fietze driver > but > can´t find a difference. That makes me think that perhaps other > registers > must be modificated before driver loading. Meanwhile, I keep waiting for > > Grant Likely release, :-). > Has this happened to someone before? > > Thanks for your help. > > Pedro. > > _________________________________________________________________ > Horóscopo, tarot, numerología... Escucha lo que te dicen los astros. > http://astrocentro.msn.es/ > > _______________________________________________ > Linuxppc-embedded mailing list > [email protected] > https://ozlabs.org/mailman/listinfo/linuxppc-embedded >
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