tree 54f6761e38d1f1ef2769dc2dd0c0faaa04765477
parent 9c3fca2a79be3d9d67d7766bbd85efc941bcb237
author Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com> 1468923873 +0530
committer York Sun <york.sun@nxp.com> 1470156362 -0700

armv8: ls1012a: Update Refresh cycle for DDR

Refresh cycle value must be selected based on the frequency
of DDR. tREFI = 7.8 us as per JEDEC. The value for MDREF[REF_CNT]
should be based on round up (tREFI/tCK) formula. For 500MHz, mdref
value should be 0x0f3c8000.

Signed-off-by: Calvin Johnson <calvin.johnson@nxp.com>
Signed-off-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>