Re: [Qemu-devel] [PATCH v3 15/20] arm: add Faraday FTMAC110 10/100Mbps ethernet support

[Kuo-Jung Su]

2013/2/18 Stefan Hajnoczi <address@hidden>:
> On Wed, Feb 06, 2013 at 05:45:19PM +0800, Kuo-Jung Su wrote:
>> From: Kuo-Jung Su <address@hidden>
>>
>> The FTMAC110 is an Ethernet controller that provides AHB master capability
>> and is in full compliance with the IEEE 802.3 10/100 Mbps specifications.
>> Its DMA controller handles all data transfers between system memory
>> and on-chip memories.
>> It supports half-word data transfer for Linux. However it has a weird DMA
>> alignment issue:
>>
>> (1) Tx DMA Buffer Address:
>>     1 bytes aligned: Invalid
>>     2 bytes aligned: O.K
>>     4 bytes aligned: O.K
>>
>> (2) Rx DMA Buffer Address:
>>     1 bytes aligned: Invalid
>>     2 bytes aligned: O.K
>>     4 bytes aligned: Invalid (It means 0x0, 0x4, 0x8, 0xC are invalid)
>>
>> Signed-off-by: Kuo-Jung Su <address@hidden>
>> ---
>>  hw/arm/Makefile.objs  |    1 +
>>  hw/arm/faraday_a360.c |   10 +
>>  hw/arm/ftmac110.c     |  681 
>> +++++++++++++++++++++++++++++++++++++++++++++++++
>>  hw/arm/ftmac110.h     |  131 ++++++++++
>>  4 files changed, 823 insertions(+)
>>  create mode 100644 hw/arm/ftmac110.c
>>  create mode 100644 hw/arm/ftmac110.h
>
> Hi Kuo-Jung,
> Is there a datasheet and/or driver programming guide for this Ethernet
> controller?
>

The datasheet distribution is prohibited in Faraday, while it's absolutely O.K
to deliver software codes along with register description.

So, I can't share the datasheets with you, but I can add register description
to the source files. Is this what you need?

> Stefan



--
Best wishes,
Kuo-Jung Su