Re: Performance of BCM43224 (14e4:4353)

["Arend van Spriel" <arend@broadcom.com>]

On 12/09/2011 07:17 PM, Larry Finger wrote:
> Arend,
> 
> I got a little further. The error message was modified as below:
> 
>          /* scan for cores */
>          if (socitype == SOCI_AI) {
>                  SI_MSG("Found chip type AI (0x%08x)\n", w);
>                  /* pass chipc address instead of original core base */
>                  ai_scan(&sii->pub, pbus);
>          } else {
>                  /* Found chip of unknown type */
>                  pr_err("Found chip of type %d, chipid is 0x%x\n", socitype, w);
>                  return NULL;
>          }
> 
> This one logs "brcmsmac: Found chip of type 4, chipid is 0x4bf80001". That is a 
> very strange chip ID.
> 
> Larry
> 

Indeed. What is more strange is that this looks like value from
enumeration rom. 0x4bf is BCMA_MANUF_BCM, 0x800 is BCMA_CORE_CHIPCOMMON.
It seems the BAR window is wrong. Can you read PCI_BAR window in the
ai_doattach() before reading the chip id.

Gr. AvS