From f99e0cb90bd1a47a4389f9a44335b31cba7539e3 Mon Sep 17 00:00:00 2001 From: Adrian Alonso <adrian.alonso@nxp.com> Date: Tue, 29 Nov 2016 11:32:25 -0600 Subject: [PATCH] MLK-13539: mx6sl: evk: lpddr2: add pre charge command all LPDDR2 script MX6SL_MMDC_LPDDR2_register_programming_aid_v0.9.inc Updated to add Precharge all command per JEDEC The memory controller may optionally issue a precharge-all command prior to the MRW reset command This is strongly recommended to ensure robust DRAM initialization Signed-off-by: Adrian Alonso <adrian.alonso@nxp.com> Signed-off-by: Ye Li <ye.li@nxp.com> (Cherry pick from commit 498f4a791593069220213c6d777527f4d899fb8a) --- board/freescale/mx6slevk/imximage.cfg | 1 + board/freescale/mx6slevk/plugin.S | 2 ++ 2 files changed, 3 insertions(+) diff --git a/board/freescale/mx6slevk/imximage.cfg b/board/freescale/mx6slevk/imximage.cfg index c32fe344b3..330fd8a508 100644 --- a/board/freescale/mx6slevk/imximage.cfg +++ b/board/freescale/mx6slevk/imximage.cfg @@ -109,6 +109,7 @@ DATA 4 0x021b0038 0x00190778 DATA 4 0x021b0008 0x00000000 DATA 4 0x021b0040 0x0000004f DATA 4 0x021b0000 0xc3110000 +DATA 4 0x021b001c 0x00008050 DATA 4 0x021b001c 0x003f8030 DATA 4 0x021b001c 0xff0a8030 DATA 4 0x021b001c 0x82018030 diff --git a/board/freescale/mx6slevk/plugin.S b/board/freescale/mx6slevk/plugin.S index 48622313a5..2b39c7f42a 100644 --- a/board/freescale/mx6slevk/plugin.S +++ b/board/freescale/mx6slevk/plugin.S @@ -123,6 +123,8 @@ ldr r2, =0xC3110000 str r2, [r0, #0x000] + ldr r2, =0x00008050 + str r2, [r0, #0x01c] ldr r2, =0x003F8030 str r2, [r0, #0x01c] ldr r2, =0xFF0A8030 -- GitLab