Re: sharp zaurus sl-5500 (collie): touchscreen now works

[Pavel Machek]

Hi!

> Yesterday someone added following info into OpenZaurus FAQ [1]:

Thanks a lot for a pointer.

> >Zaurus SL-5500 MMC/SDIO technical info
> >
> >For communicating with the MMC/SDIO card SL-5500 uses the LoCoMo built-in
> >SPI controller (secondary communication protocol) and 3 LoCoMo GPIOs
> >
> >LOCOMO_SPIMD for SPI MODE
> >LOCOMO_SPICT for SPI CONTROL
> >LOCOMO_SPIST for SPI STATUS
> >LOCOMO_SPITD for SPI TRANSMIT (write)
> >LOCOMO_SPIRD for SPI RECEIVE (read)
> >
> >LOCOMO_GPIO(13) for MMC irq / card detect
> >LOCOMO_GPIO(14) for MMC write protect test bit
> >LOCOMO_GPIO(15) for MMC power
> >
> >All these registers are 16bit, and data transfers are 8bit. On resume
> >the SPI MODE is set to 0x6c14, on suspend to 0x3c14.
> >
> >Useful bits in the SPI MODE register: 0x0001, 0x0040, 0x0080.
> >Useful bits in the SPI CONTROL register: 0x0040 and 0x0080.
> >
> >For further information read the Sandisk SD card manual. A software
> >implementation of the SPI MMC/SD protocol driver can be be found at
> >http://kiel.kool.dk/mmc.c

Do you have any contact to author of this? It lacks any copyright/GPL
info :-(. Is wrt54g also sa1100-based?

> Maybe this will help.

Yes, thanks a lot.

> 1. http://openzaurus.berlios.de/FAQ
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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