Marvell W8686 chipset Blackfin problem

[Jonathan dumaresq]

Hi all,

I have something semi-working. I have change the SPI_MODE3 to SPI_MOD0 and
now I get the module connect to the libertas_spi.

Now I have some problem loading firmware.

I have done some operation on the linux kernel and busybox.

On the kernel config

Device Drivers  --->
  Generic Driver Options  --->
    <*> Userspace firmware loading support

Busybox config

BusyBox  --->
  Linux System Utilities  --->
    [*] mdev
    [*]   Support loading of firmwares


When I attemp th eload the module, I got this output:

root:/> modprobe libertas_spi
libertas_spi: Libertas SPI driver
libertas_spi spi0.18: firmware: requesting libertas/gspi8686_hlp.bin
libertas_spi spi0.18: firmware: requesting libertas/gspi8686.bin
libertas: spu_wait_for_u16: timeout with val=00, target_mask=00, target=00
libertas: if_spi_prog_main_firmware: timed out waiting for initial scratch
reg = 0
libertas: failed to load firmware (err=-110)
libertas_spi: probe of spi0.18 failed with error -110

I have no idea why the helper get loaded but not the firmware. Do I have to
do something particular to have the firmware loaded ?

Jonathan

libertas-dev-bounces at lists.infradead.org wrote:
> On 13/07/2010 21:38, Jonathan dumaresq wrote:
>> Hi all,
>> 
>> I have been working on a XG-182M from zcomax. I try to make this work
>> on my BF537-stamp board. I have to use the SPI interface since on
>> that board we don't have sdio. SO I have ordered the XG-182MSPI to
>> work with. 
>> 
>> I have done the wiring like that
>> 
>> BF537          88W8686 connection
>> PF6 (GPIO interrupt) ->  SPI_SINT (pin 46) PF10 SPI_CS ->  SPI_SCS
>> (pin 44) PF11 (SPI_MOSI) ->  SPI_SDI (pin 43)
>> PF12 (SPI_MISO) ->  SPI_SDO (pin 45)
>> PF13 (SPI_CLK) ->  SPI_CLK (pin 42)
>> 
>> This is how I have wired my board to my dev kit.
> 
> [snip snip]
> 
>> Is there something wrong with my setup ?
> 
> I don't know about the XG-182MSPI ... does it have pullups?  I'd kind
> of guess not.  You'll want pullups on all the SPI lines... especially
> since you're also using SPI_MODE3.   10Ks to 3v3 should do nicely. 
> 
> Your software configuration looks prettymuch exactly like what I'm
> using here very successfully on a custom BF527 board. 
> 
> Ian.
> 
> 
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