RE: RFC: Shared eMMC Controller

2009-10-13 Thread Johnson, Charles F
o:spy...@gmail.com] On Behalf Of Ian Molton Sent: Tuesday, October 13, 2009 2:29 PM To: Johnson, Charles F Subject: Re: RFC: Shared eMMC Controller I cant see that being a problem. I wonder how fine grained the access would be though - having mounted filesystems would mean that the other systtem

RFC: Shared eMMC Controller

2009-10-13 Thread Johnson, Charles F
I'm working on a system where we have a need to share the eMMC host controller with both the main CPU and a micro-controller. So to coodinate access we need to define a mutex mechanism between the two. This is possible since there is some shared non-cachable static ram that both have access to