On Mon, Sep 3, 2012 at 4:06 PM, Hein Tibosch wrote:
> 1. The first draft of the patches worked with the max allowable value for
> the SRC_WIDTH & DST_WIDTH fields: 0,1,2,3... Viresh thought it was not
> transparent enough, he suggested to make it simpler with a binary choice of
> 32- or 64-bits, d
On 9/3/2012 4:59 PM, Viresh Kumar wrote:
> On 3 September 2012 14:19, Andy Shevchenko wrote:
>> On Mon, Sep 3, 2012 at 11:30 AM, Viresh Kumar
>> wrote:
>>> Which register are you talking about? This configuration is outside of DMAC
>>> controller and i am not sure if dw DMAC controller can do 12
On 3 September 2012 14:19, Andy Shevchenko wrote:
> On Mon, Sep 3, 2012 at 11:30 AM, Viresh Kumar wrote:
>> Which register are you talking about? This configuration is outside of DMAC
>> controller and i am not sure if dw DMAC controller can do 128 or 256
>> bit transfers.
> SRC_WIDTH & DST_WIDTH
On Mon, Sep 3, 2012 at 11:30 AM, Viresh Kumar wrote:
> On 3 September 2012 13:55, Andy Shevchenko wrote:
>>> #define DW_MEM_WIDTH_64 0 /* default */
>>> #define DW_MEM_WIDTH_32 1 /* e.g. for avr32 */
>> There are 4 options: 32, 64, 128, and 256 bits. I would prefer to
On 3 September 2012 13:55, Andy Shevchenko wrote:
>> #define DW_MEM_WIDTH_64 0 /* default */
>> #define DW_MEM_WIDTH_32 1 /* e.g. for avr32 */
> There are 4 options: 32, 64, 128, and 256 bits. I would prefer to see
> the value in conjunction with
> real value in the reg
On Sun, Sep 2, 2012 at 8:54 PM, Hein Tibosch wrote:
> From: Hein Tibosch
>
> v4: now based and tested on 3.6-rc4
>
> The dw_dmac driver was earlier adapted to do 64-bit transfers on the memory
> side (see https://lkml.org/lkml/2012/1/18/52)
> This works on ARM platforms but for AVR32 (AP700x) the
From: Hein Tibosch
v4: now based and tested on 3.6-rc4
The dw_dmac driver was earlier adapted to do 64-bit transfers on the memory
side (see https://lkml.org/lkml/2012/1/18/52)
This works on ARM platforms but for AVR32 (AP700x) the maximum allowed transfer
size is 32-bits.
This patch allows the
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