Re: [Hx4700-port] Re: [iPAQ] HP 4700

Op 6-jan-05 om 17:56 heeft Michael Opdenacker het volgende geschreven:

> Hi Jamey,
>
>> John M.Johnson wrote:
>>
>>> I am working on the HP 4700, I am looking for a sourse to obtain
>>> either the schematics or design documentation on the model. Could
>>> anyone assit me?
>>>
>>>
>> Unfortunately, neither of these is available outside of HP. I have
>> the schematics and used that to type most of the relevant details on
>> the hx4700 wiki page.
>>
>> http://www.handhelds.org/moin/moin.cgi/HpIpaqHx4700
>>
>> There are two more banks of GPIOs to type in: one on ASIC3 and one
>> using a standalone write-only register.
>>
>> In addition, although there is already an ASIC3 driver, in the hx4700
>> ASIC3 is used as a CF buffer, which is a new mode that I think is
>> unsupported by the driver.
>
> Oops, I expected CF/pcmcia to be directly hooked up to the pxa
> interface...
> Does this mean that we will have to work on the Asic3 driver to get
> pcmcia working?
>
> If this is true, this may make sense to implement SD support first to
> get familiar with the existing Asic3 driver first.

Slightly offtopic: I've heard rumours the h4150 uses the asic3 cf
interface for wlan. If that's true it might save some work to hook up
with the h4100 people to write a driver.

regards,

Koen
Received on Thu Jan 06 2005 - 12:12:42 EST