From: Marek Vasut <marex@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v3 9/9] net/designware: Reduce DMA burst length
Date: Sun, 27 Apr 2014 20:08:50 +0200 [thread overview]
Message-ID: <201404272008.50958.marex@denx.de> (raw)
In-Reply-To: <CAGb2v64jKKWvs_3e687E8S5qVB01JRDJNqRZdiYSgP+WgSw-Pw@mail.gmail.com>
On Sunday, April 27, 2014 at 05:29:29 PM, Chen-Yu Tsai wrote:
> On Sun, Apr 27, 2014 at 11:25 PM, Ian Campbell <ijc@hellion.org.uk> wrote:
> > On Sat, 2014-04-26 at 20:28 +0200, Marek Vasut wrote:
> >> On Friday, April 18, 2014 at 08:05:50 PM, Ian Campbell wrote:
> >> > From: Jens Kuske <jenskuske@gmail.com>
> >> >
> >> > The GMAC module in Allwinner sunxi SoCs seems to have problems with
> >> > burst lengths > 8.
> >>
> >> Is there any explanation for the problems please ?
> >
> > Jens or Wens, can you answer this?
>
> IIRC, with burst lengths > 8, GMAC doesn't work, no ping, no DHCP.
> I don't remember if it was TX or RX that suffered, or even both.
>
> Hope this clarifies things a bit.
No, it does not at all, sorry. What you describe are symptoms, but what I want
to know is what is the root cause of those symptoms. You did not explain that.
Best regards,
Marek Vasut
next prev parent reply other threads:[~2014-04-27 18:08 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-18 18:05 [U-Boot] [PATCH v3 0/9] sunxi: initial upstreamining effort Ian Campbell
2014-04-18 18:05 ` [U-Boot] [PATCH v3 1/9] sunxi: add sun7i clocks and timer support Ian Campbell
2014-04-26 18:31 ` Marek Vasut
2014-04-18 18:05 ` [U-Boot] [PATCH v3 2/9] sunxi: add sun7i pinmux and gpio support Ian Campbell
2014-04-26 18:33 ` Marek Vasut
2014-04-18 18:05 ` [U-Boot] [PATCH v3 3/9] sunxi: add sun7i dram setup support Ian Campbell
2014-04-26 18:35 ` Marek Vasut
2014-04-18 18:05 ` [U-Boot] [PATCH v3 4/9] sunxi: add sun7i cpu, board and start of day support Ian Campbell
2014-04-18 18:05 ` [U-Boot] [PATCH v3 5/9] sunxi: add support for Cubietruck booting in FEL mode Ian Campbell
2014-04-26 18:38 ` Marek Vasut
2014-04-18 18:05 ` [U-Boot] [PATCH v3 6/9] sunxi: add gmac Ethernet support Ian Campbell
2014-04-26 18:41 ` Marek Vasut
2014-04-27 16:33 ` Ian Campbell
2014-04-27 18:10 ` Marek Vasut
2014-04-27 18:35 ` Ian Campbell
2014-04-27 19:15 ` Marek Vasut
2014-04-18 18:05 ` [U-Boot] [PATCH v3 7/9] sunxi: mmc support Ian Campbell
2014-04-26 18:43 ` Marek Vasut
2014-04-18 18:05 ` [U-Boot] [PATCH v3 8/9] sunxi: non-FEL SPL boot support for sun7i Ian Campbell
2014-04-26 18:46 ` Marek Vasut
2014-04-27 17:00 ` Ian Campbell
2014-04-27 18:07 ` Marek Vasut
2014-04-27 18:38 ` Ian Campbell
2014-04-27 19:15 ` Marek Vasut
2014-04-27 19:29 ` Ian Campbell
2014-04-27 23:58 ` Marek Vasut
2014-04-28 9:06 ` Ian Campbell
2014-04-18 18:05 ` [U-Boot] [PATCH v3 9/9] net/designware: Reduce DMA burst length Ian Campbell
2014-04-26 18:28 ` Marek Vasut
2014-04-27 15:25 ` Ian Campbell
2014-04-27 15:29 ` Chen-Yu Tsai
2014-04-27 18:08 ` Marek Vasut [this message]
2014-04-28 5:51 ` Chen-Yu Tsai
2014-04-28 5:55 ` Marek Vasut
2014-04-28 20:18 ` Alexey Brodkin
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