From 29f0d6b1d04d68eed0fca2993bae3ee67dbc185d Mon Sep 17 00:00:00 2001 From: Tim Harvey <tharvey@gateworks.com> Date: Wed, 8 Apr 2015 12:54:36 -0700 Subject: [PATCH] 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> --- board/gateworks/gw_ventana/gw_ventana_spl.c | 1 + 1 file changed, 1 insertion(+) 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 */ }; /* -- 2.39.5