-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 04/19/2013 04:58 PM, Mark Jackson wrote: > On 16/04/13 16:48, Tom Rini wrote: >> On Tue, Apr 16, 2013 at 04:02:34PM +0100, Mark Jackson wrote: > > <snip> > >>> + config_ddr(303, MT41J128MJT125_IOCTRL_VALUE, &ddr3_data, + >>> &ddr3_cmd_ctrl_data, &ddr3_emif_reg_data, 0); >> >> And are you unable to run at 400MHz here? Or just weren't aware >> / having tried updating the timing parameters, etc? > > Forgive my ignorance, but where does the 400MHz come from ? > > I thought that 303MHz was the max clock speed on the AM335x (TRM > 7.3.2.2), or am I missing something ?
Ah, OK. The nearly released now board I'm referring to that does have 400MHz there has newer silicon that does really support DDR3-800 and there is a new TRM that reflects this. I suspect however you have PG1.0 and 303 is your max speed. Sorry for the confusion! - -- Tom -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQIcBAEBAgAGBQJRcb9aAAoJENk4IS6UOR1W3LsQAKQu/fCeOYVLS6ZOK0F/Yb9F oa7rdPdnGaNpCmZD53vLr0VfnfkLf0O/zC/YqXjx5hPYTw5voc0T2O1+wriG2Zlk uQ5UoWaSkIoMpZsJ2hViWXXY5fV1GFNW2EamuR00yf8byePGe96QKtRMTOg/EgMy 3yx6HKngC+IbjAg0p0vlTk4EZcYay6nY66uWmx1N8BXLcnIkEJCQY8SF7lwn8Wxy d33LPTQVIQsOi/cibzb4L28msAgyMPCvT2B9auE++BpVGJz+3yWHhJdnEU+dWI7n Q6PQ3h+iSrl6mYnw6YQV44dbZwxzad85P3qs/BvapE+6lBl+yzLjE+UYXuGePTa4 W8RqF+B7cFI/0pKdA5DBjRYJDdnJzAdrOBRZUH/lR6HsmeHFGrvxDr7Rfv/JkLSH /KmhmY9qIS1R9SRXy7Ck+CJD/mhD+wVuNFurosa+sYLkvhPDgzmJW7+0mc+VGj54 ACCiOdGkBuYsX108jpe8/Z+5y6aI65pv2MRGd+fzzBiMXoxuWSrzhX7IYBiHSuHJ 6xgKFhGaM7spYOh/x8NQF2jy8elIiQMlPFUTubUpDk5Tnm0dzCMgM8JxIjart6Lt kimOlsMSnBDAGLI5RnETJZoMzGMZxN6OxBsVcsGRoKf9vP2LNxpsRYBnApeegrIT Zi4R+rVueOTL4E1RPhOI =6oBd -----END PGP SIGNATURE----- _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
