armv8/ls2080ardb: Update DDR timing to support more UDIMMs

Optimize DDR timing for good margins to support new Transcend
and Apacer DDR4 UDIMM besides current Micron UDIMM.

Verified 1333MT/s, 1600MT/s, 1866MT/s, 2133MT/s rate with
following UDIMM on LS2080ARDB.
 - Micron UDIMM: MTA18ASF1G72AZ-2G1A1Z
 - Apacer UDIMM: 78.C1GM4.AF10B
 - Transcend UDIMM: TS1GLH72V1H

Signed-off-by: Shengzhou Liu <Shengzhou.Liu@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>

diff --git a/board/freescale/ls2080ardb/ddr.h b/board/freescale/ls2080ardb/ddr.h
index bda9d4a..b3c6306 100644 (file)
--- a/board/freescale/ls2080ardb/ddr.h
+++ b/board/freescale/ls2080ardb/ddr.h
@@ -29,9 +29,9 @@ static const struct board_specific_parameters udimm0[] = {
         * ranks| mhz| GB  |adjst| start |   ctl2    |  ctl3
         */
        {2,  1350, 0, 4,     6, 0x0708090B, 0x0C0D0E09,},
-       {2,  1666, 0, 4,     8, 0x08090B0D, 0x0E10100C,},
-       {2,  1900, 0, 4,     8, 0x090A0C0E, 0x1012120D,},
-       {2,  2300, 0, 4,     9, 0x0A0B0C10, 0x1114140E,},
+       {2,  1666, 0, 5,     9, 0x090A0B0E, 0x0F11110C,},
+       {2,  1900, 0, 6,   0xA, 0x0B0C0E11, 0x1214140F,},
+       {2,  2300, 0, 6,   0xB, 0x0C0D0F12, 0x14161610,},
        {}
 };