From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.89 #1 (Red Hat Linux)) id 1eolvA-00083a-Lu for barebox@lists.infradead.org; Thu, 22 Feb 2018 08:08:06 +0000 Date: Thu, 22 Feb 2018 09:07:52 +0100 From: Sascha Hauer Message-ID: <20180222080752.yaae26pawgeqo7bo@pengutronix.de> References: <20180221153910.24653-1-jbe@pengutronix.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20180221153910.24653-1-jbe@pengutronix.de> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: Re: [PATCH] ARM/i.MX53: fix SDRAM setup routines To: Juergen Borleis Cc: barebox@lists.infradead.org On Wed, Feb 21, 2018 at 04:39:10PM +0100, Juergen Borleis wrote: > Fix setup of the SDRAM's MR0 register: 'val' gets overwritten by the chip > select decision and nothing is written to the MR0 register. > > This fix is required since some i.MX53 based platforms still use this > software setup routine to configure their SDRAMs. > > Signed-off-by: Juergen Borleis > --- > arch/arm/mach-imx/esdctl-v4.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) Applied, thanks Sascha > > diff --git a/arch/arm/mach-imx/esdctl-v4.c b/arch/arm/mach-imx/esdctl-v4.c > index 0652b492e..6de4a8d6e 100644 > --- a/arch/arm/mach-imx/esdctl-v4.c > +++ b/arch/arm/mach-imx/esdctl-v4.c > @@ -191,9 +191,9 @@ void imx_esdctlv4_start_ddr3_sdram(int cs) > ESDCTL_V4_DDR3_REG_MR0 | val_cs1; > > if (cs) > - val = ESDCTL_V4_ESDSCR_DLL_RST1; > + val |= ESDCTL_V4_ESDSCR_DLL_RST1; > else > - val = ESDCTL_V4_ESDSCR_DLL_RST0; > + val |= ESDCTL_V4_ESDSCR_DLL_RST0; > > writel(val, base + ESDCTL_V4_ESDSCR); > > -- > 2.16.1 > > > _______________________________________________ > barebox mailing list > barebox@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/barebox > -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox