Hi,
On 08-09-15 17:38, Yousong Zhou wrote:
I just tried a method from allwinner's u-boot sources: retry the mode switch in
case of an error [1]. It was accompanied with a comment quoted below:
//retry for Toshiba emmc;for the first time Toshiba emmc change to HS
//it will return response crc e
On 7 September 2015 at 15:02, Hans de Goede wrote:
> Hi,
>
>
> On 06-09-15 16:47, Yousong Zhou wrote:
>>
>> On Sep 6, 2015 10:14 PM, "Shawn Lin" wrote:
>>>
>>>
>>> 在 2015/9/6 20:09, Yousong Zhou 写道:
Hi,
On 6 September 2015 at 08:12, Shawn Lin
wrote:
>
>
Hi
On 7 September 2015 at 15:02, Hans de Goede wrote:
> Hi,
>
>
> On 06-09-15 16:47, Yousong Zhou wrote:
>>
>> On Sep 6, 2015 10:14 PM, "Shawn Lin" wrote:
>>>
>>>
>>> 在 2015/9/6 20:09, Yousong Zhou 写道:
Hi,
On 6 September 2015 at 08:12, Shawn Lin
wrote:
>
>
Hi,
On 06-09-15 16:47, Yousong Zhou wrote:
On Sep 6, 2015 10:14 PM, "Shawn Lin" wrote:
在 2015/9/6 20:09, Yousong Zhou 写道:
Hi,
On 6 September 2015 at 08:12, Shawn Lin wrote:
On 2015/9/5 22:58, Hans de Goede wrote:
Hi Shawn Lin,
On 05-09-15 16:07, Shawn Lin wrote:
On 2015/9/5 18:19
On 2015/9/6 22:51, Yousong Zhou wrote:
all of this is under control of the mmc core.
So if Yongsong does want this card to work for any linux-based mmc stack,
I
guess something like that should be "better"?
if (switch to HS fail) {
set_bus_clk
goto retry switch to HS
}
BUT..
>>> all of this is under control of the mmc core.
>>> So if Yongsong does want this card to work for any linux-based mmc stack,
>>> I
>>> guess something like that should be "better"?
>>>
>>> if (switch to HS fail) {
>>> set_bus_clk
>>> goto retry switch to HS
>>> }
>>>
>>> BUT...
在 2015/9/6 20:09, Yousong Zhou 写道:
Hi,
On 6 September 2015 at 08:12, Shawn Lin wrote:
On 2015/9/5 22:58, Hans de Goede wrote:
Hi Shawn Lin,
On 05-09-15 16:07, Shawn Lin wrote:
On 2015/9/5 18:19, Yousong Zhou wrote:
A SD card with sunxi-mmc can fail with the following error message
(RCD
Hi,
On 6 September 2015 at 08:12, Shawn Lin wrote:
> On 2015/9/5 22:58, Hans de Goede wrote:
>>
>> Hi Shawn Lin,
>>
>> On 05-09-15 16:07, Shawn Lin wrote:
>>>
>>> On 2015/9/5 18:19, Yousong Zhou wrote:
A SD card with sunxi-mmc can fail with the following error message
(RCD for
On 2015/9/5 22:58, Hans de Goede wrote:
Hi Shawn Lin,
On 05-09-15 16:07, Shawn Lin wrote:
On 2015/9/5 18:19, Yousong Zhou wrote:
A SD card with sunxi-mmc can fail with the following error message
(RCD for
response CRC error) when trying to switch to highspeed mode. Setting
the bus
clock befor
Hi Shawn Lin,
On 05-09-15 16:07, Shawn Lin wrote:
On 2015/9/5 18:19, Yousong Zhou wrote:
A SD card with sunxi-mmc can fail with the following error message (RCD for
response CRC error) when trying to switch to highspeed mode. Setting the bus
clock before the access mode switch fixed it.
No,
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