From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:6f8:1178:4:290:27ff:fe1d:cc33]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UFho4-00017t-Bb for barebox@lists.infradead.org; Wed, 13 Mar 2013 09:17:09 +0000 Date: Wed, 13 Mar 2013 10:17:05 +0100 From: Steffen Trumtrar Message-ID: <20130313091705.GC3891@pengutronix.de> References: <1363164494-3614-1-git-send-email-s.trumtrar@pengutronix.de> <1363164494-3614-2-git-send-email-s.trumtrar@pengutronix.de> <20130313090445.GE1568@game.jcrosoft.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20130313090445.GE1568@game.jcrosoft.org> 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 2/2] net: macb: turn off endian_swp_pkt_en To: Jean-Christophe PLAGNIOL-VILLARD Cc: barebox@lists.infradead.org, Nicolas Ferre Hi! On Wed, Mar 13, 2013 at 10:04:45AM +0100, Jean-Christophe PLAGNIOL-VILLARD wrote: > On 09:48 Wed 13 Mar , Steffen Trumtrar wrote: > > The core has a bit for swapping packet data endianism. > > Reset default from Cadence is off. Xilinx however, that uses this core on the > > Zynq SoCs, opted for on. Turn it off for all devices. > > is this xilinx specifc? > > on at91 and other we do not need it > Well, as stated in the commit log, Cadence default is off. I guess, at91 does not change this. So, where is the problem then forcing it to the sane default from Cadence? Regards, str > Best Regards, > J. > > > > Signed-off-by: Steffen Trumtrar > > Cc: Nicolas Ferre > > Cc: Jean-Christophe PLAGNIOL-VILLARD > > --- > > drivers/net/macb.c | 1 + > > drivers/net/macb.h | 2 ++ > > 2 files changed, 3 insertions(+) > > > > diff --git a/drivers/net/macb.c b/drivers/net/macb.c > > index a12eea7..005234e 100644 > > --- a/drivers/net/macb.c > > +++ b/drivers/net/macb.c > > @@ -277,6 +277,7 @@ static void macb_configure_dma(struct macb_device *bp) > > dmacfg |= GEM_BF(FBLDO, 16); > > dmacfg |= GEM_BIT(TXPBMS) | GEM_BF(RXBMS, -1L); > > dmacfg |= GEM_BIT(DDRP); > > + dmacfg &= ~GEM_BIT(ENDIA); > > gem_writel(bp, DMACFG, dmacfg); > > } > > } > > diff --git a/drivers/net/macb.h b/drivers/net/macb.h > > index cadd561..1be9ff9 100644 > > --- a/drivers/net/macb.h > > +++ b/drivers/net/macb.h > > @@ -168,6 +168,8 @@ > > /* Bitfields in DMACFG. */ > > #define GEM_FBLDO_OFFSET 0 > > #define GEM_FBLDO_SIZE 5 > > +#define GEM_ENDIA_OFFSET 7 > > +#define GEM_ENDIA_SIZE 1 > > #define GEM_RXBMS_OFFSET 8 > > #define GEM_RXBMS_SIZE 2 > > #define GEM_TXPBMS_OFFSET 10 > > -- > > 1.8.2.rc2 > > > > _______________________________________________ > 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