Re: MXC MMC and Libertas_sdio

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On Fri, 23 Jul 2010 13:59:38 +0200, Andreas Feuersinger <andreas.feuersinger@xxxxxxxxxxxx> wrote:

Cc'ing libertas-dev@xxxxxxxxxxxxxxxxxxx

> 
> Hi,
> 
> I'm trying to use the libertas driver on MX27 based hardware. I'm using
> kernel v2.6.22 with libertas and sdio driver ported (mainly 2.6.34).
> The Wlan device is Marvel SD8686 connected via sdio.
> 
> Loading of firmware seems to work using a block size of 512
>  sdio_set_block_size(card->func, 512);
> 
> after loading the firmware I get the following output:
> 
> libertas: waiting for firmware to boot
> libertas: sdio read scratch
> libertas: sdio scratch 0 ; ret: 0
> libertas: sdio read scratch
> libertas: sdio scratch 0 ; ret: 0
> libertas: sdio read scratch
> libertas: sdio scratch 0 ; ret: 0
> libertas: sdio read scratch
> libertas: sdio scratch 220 ; ret: 0
> libertas: sdio host to card type 1, bytes 46
> libertas: sdio host to card worker
> libertas: sdio read scratch
> libertas: sdio scratch 50 ; ret: 0
> libertas: sdio card to host size 50
> libertas: sdio card to host status: 10
> libertas: card->buffer[0] 0 card->buffer[1] 0
> packet of type 1 and size 0 bytes
> libertas: sdio handle cmd
> libertas: response packet too large (4294967292 bytes)
> libertas: problem fetching packet from firmware
> 
> The latest output goes on forever. Canceling the modprobe command
> results in a Network Interface:
> 
> Strg+C 
> libertas: eth1: Marvell WLAN 802.11 adapter
> 
> However the problem fetching packet from firmware remains and the
> device does not work.
> I tried several Firmware Versions all resulting as described above.
> 
> If I use 32 instead of 512 for the block size the kernel hangs after
> loading helper firmware during the loading process of the "real"
> firmware.
> 
> I read about Daniel Mack doing similar stuff for mx31 based systems.
> Did he/you has/have success in that and what were your problems?
> 
> I appreciate any help/hints where to dig for the error.
> 
> Thanks, 
> Andreas
> 
> 
> 
> 
> 
> 
> 
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