From 6904e377465db6c731adf4fb0eb67e55454606d7 Mon Sep 17 00:00:00 2001 From: Benoît Thébaudeau Date: Wed, 30 Jan 2013 11:19:13 +0000 Subject: imx: mx6q DDR3 init: Fix tMRD MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit MMDC1_MDCFG1.tMRD should be set to max(tMRD, tMOD) for DDR3. For all DDR3 speed bins: tMRD(min) = 4 nCK tMOD(min) = max(12 nCK, 15 ns) Hence, MMDC1_MDCFG1.tMRD should be set to max(12 nCK, 15 ns), which is 12 nCK at 532 MHz, encoded as 0xB in the bit-field MMDC1_MDCFG1[8:5]. Signed-off-by: Benoît Thébaudeau Tested-by: Eric Nelson --- board/freescale/imx/ddr/mx6q_4x_mt41j128.cfg | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'board/freescale') diff --git a/board/freescale/imx/ddr/mx6q_4x_mt41j128.cfg b/board/freescale/imx/ddr/mx6q_4x_mt41j128.cfg index c86cd407a2..9ac8027a9f 100644 --- a/board/freescale/imx/ddr/mx6q_4x_mt41j128.cfg +++ b/board/freescale/imx/ddr/mx6q_4x_mt41j128.cfg @@ -110,7 +110,7 @@ DATA 4 0x021b0018 0x00081740 DATA 4 0x021b001c 0x00008000 DATA 4 0x021b000c 0x555A7975 -DATA 4 0x021b0010 0xFF538E64 +DATA 4 0x021b0010 0xFF538F64 DATA 4 0x021b0014 0x01FF00DB DATA 4 0x021b002c 0x000026D2 -- cgit