From: Stefan Agner <stefan.agner@toradex.com>
Date: Tue, 4 Dec 2018 10:10:21 +0000 (+0100)
Subject: ARM: vf610: ddrmc: do not write CR79 by default
X-Git-Tag: v2025.01-rc5-pxa1908~3187^2~11
X-Git-Url: http://git.dujemihanovic.xyz/img/html/static/git-favicon.png?a=commitdiff_plain;h=81653478ebcce72de0daac725f5756872133cfbc;p=u-boot.git

ARM: vf610: ddrmc: do not write CR79 by default

The current value CTLUPD_AREF(0) is the reset value of the register,
so there is no need to write a value. If needed, the register can be
written using board specific CR settings.

Signed-off-by: Stefan Agner <stefan.agner@toradex.com>
Acked-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
---

diff --git a/arch/arm/mach-imx/ddrmc-vf610.c b/arch/arm/mach-imx/ddrmc-vf610.c
index 9739738a08..fa948f7812 100644
--- a/arch/arm/mach-imx/ddrmc-vf610.c
+++ b/arch/arm/mach-imx/ddrmc-vf610.c
@@ -190,7 +190,6 @@ void ddrmc_ctrl_init_ddr3(struct ddr3_jedec_timings const *timings,
 		   DDRMC_CR77_SWAP_EN, &ddrmr->cr[77]);
 	writel(DDRMC_CR78_Q_FULLNESS(timings->q_fullness) |
 		   DDRMC_CR78_BUR_ON_FLY_BIT(12), &ddrmr->cr[78]);
-	writel(DDRMC_CR79_CTLUPD_AREF(0), &ddrmr->cr[79]);
 
 	writel(DDRMC_CR82_INT_MASK, &ddrmr->cr[82]);