Re: [RFC] bcma: add support for on-chip OTP memory used for SPROM storage

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

On 03/01/2012 03:35 PM, Hauke Mehrtens wrote:
> On 03/01/2012 03:12 PM, Arend van Spriel wrote:
>> On 02/28/2012 09:11 PM, Hauke Mehrtens wrote:
>>> On 02/27/2012 11:12 AM, Arend van Spriel wrote:
>>>> On 02/25/2012 01:52 PM, Hauke Mehrtens wrote:
>>>>> I will test you patch on my device soon and will report if something is
>>>>> wrong. If you are sending a non RFC patch in the next days I would
>>>>> rebase my patch onto yours. The code searching in the SoCs flash chip
>>>>> will be added to run if bcma_sprom_onchip_available() returns false.
>>>>
>>>> Appreciate any testing on SoCs. I think I will need some time to modify
>>>> brcmsmac so let your patch go first.
>>>
>>> The sprom part of my SoC is working with this patch on top of my sprom
>>> patches, but it uses the sprom from flash/nvram for both wifi devices
>>> (one integrated in the bCM4716 and the other a BCM43224 connected to the
>>> PCIe host controller of the BCM4716).
>>> For my BCM4716 bcma_sprom_ext_available() and
>>> bcma_sprom_onchip_available() are returning false and for the BCM43224
>>> bcma_sprom_ext_available() is returning false and
>>> bcma_sprom_onchip_offset() 0.
>>
>> Thanks, Hauke
>>
>> Did the BCM43224 come with the router. If so I am assuming the onchip is
>> not used and the system relies on flash/nvram completely. I will inform
>> whether my assumption is correct.
> Yes the BCM43224 is direly soldered onto the board where also the
> BCM4716 is on, there is no physical PCIe port or something like this.
> The nvram on the flash chip contains the sprom for this devices, one set
> of variables in the nvram has the prefix pci/1/1/ (for the BCM43224 with
> the options for 5GHz only) and the other has sb/1/ (for the BCM4716 with
> the options for 2.4 GHz only).
>
> It is this device: http://infodepot.wikia.com/wiki/Netgear_WNDR3400
>
> Hauke
>

You made me curious so I followed the link. It says BCM4718.

Gr. AvS