On Wed, Apr 20, 2011 at 5:30 AM, Arindam Nath arindam.n...@amd.com wrote:
Host Controller v3.00 adds another Capabilities register. Apart
from other things, this new register indicates whether the Host
Controller supports SDR50, SDR104, and DDR50 UHS-I modes. The spec
doesn't mention about
Hi Zhangfei,
[...]
Hi, Arindam
The uhs card works OK,
However after use uhs card, the io voltage keeps 1.8v, and
mmc_send_app_op_cond will return error, so no chance to go back to
3.3v.
The result is hs card can not be detected after using uhs card.
Also some hs card have timeout issue
On Wed, Apr 27, 2011 at 6:17 AM, Nath, Arindam arindam.n...@amd.com wrote:
Hi Zhangfei,
[...]
Hi, Arindam
The uhs card works OK,
However after use uhs card, the io voltage keeps 1.8v, and
mmc_send_app_op_cond will return error, so no chance to go back to
3.3v.
The result is hs card can
Subject: Re: [PATCH v3 01/11] mmc: sd: add support for signal voltage
switch procedure
On Wed, Apr 27, 2011 at 6:17 AM, Nath, Arindam arindam.n...@amd.com
wrote:
Hi Zhangfei,
[...]
Hi, Arindam
The uhs card works OK,
However after use uhs card, the io voltage keeps 1.8v
