From aa7a2226b5a7829915d189d727ee9320dc3a198b Mon Sep 17 00:00:00 2001 From: Shengzhou Liu Date: Thu, 7 Apr 2016 14:41:30 +0800 Subject: 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 Reviewed-by: York Sun --- board/freescale/ls2080ardb/ddr.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'board/freescale/ls2080ardb') diff --git a/board/freescale/ls2080ardb/ddr.h b/board/freescale/ls2080ardb/ddr.h index bda9d4a..b3c6306 100644 --- 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,}, {} }; -- cgit v1.1