From: Tim Harvey <tharvey@gateworks.com>
Date: Wed, 8 Apr 2015 19:54:36 +0000 (-0700)
Subject: imx: ventana: enable precharge power-down fast-exit mode
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=29f0d6b1d04d68eed0fca2993bae3ee67dbc185d;p=project%2Fbcm63xx%2Fu-boot.git

imx: ventana: enable precharge power-down fast-exit mode

Enable fast-exit precharge mode necessary for some DDR3 devices being
used on Ventana boards.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
---

diff --git a/board/gateworks/gw_ventana/gw_ventana_spl.c b/board/gateworks/gw_ventana/gw_ventana_spl.c
index 97128127fb..5d313a9d52 100644
--- a/board/gateworks/gw_ventana/gw_ventana_spl.c
+++ b/board/gateworks/gw_ventana/gw_ventana_spl.c
@@ -340,6 +340,7 @@ static void spl_dram_init(int width, int size_mb, int board_model)
 		.bi_on = 1,	/* Bank interleaving enabled */
 		.sde_to_rst = 0x10,	/* 14 cycles, 200us (JEDEC default) */
 		.rst_to_cke = 0x23,	/* 33 cycles, 500us (JEDEC default) */
+		.pd_fast_exit = 1, /* enable precharge power-down fast exit */
 	};
 
 	/*