On Monday, August 29, 2011 15:54:35 Jie Zhang wrote: > On Mon, Aug 29, 2011 at 3:22 PM, Mike Frysinger <[email protected]> wrote: > > On Monday, August 29, 2011 10:38:17 Jie Zhang wrote: > >> I have committed this patch to add BF527 SDP board bus support. I did > >> the test by detectflash, but did not try flashmem. > > > > this already works with the bf52x bus. simply pass HWAIT=PG0 when > > initializing it. i tested that with detecting, reading, and writing > > flash when i implemented it. > > I was wondering what's the use of HWAIT. Now I see. Thank you! > > But the problem is it's not easy for user to know they can use this > parameter for BF527 SDP board. As I said before, we should allow user > to add board names to initbus explicitly. Otherwise, people will keep > asking if board FOO is supported or not.
the trouble is that PG0 isnt specific to the BF527 SDP board. if you read the HRM, PG0 is the default HWAIT signal for all BF52x procs. and iirc, you can change this in the OTP. i dont have a BF52x HRM handy atm to refresh my memory on the specifics. i dont mind adding an alias for it, but it shouldnt be a dedicated board like this. > Is there a way to put bf527_sdp into bf537_stamp.c like setting a > default value to hwait and hwait_level? we might have to restructure a little to make it simpler ... -mike
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