From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tom Rini Date: Thu, 12 Dec 2013 08:49:02 -0500 Subject: [U-Boot] am335x: cpsw: optimize cpsw_recv to increase network performance In-Reply-To: <52A9BDDD.60502@denx.de> References: <52970F20.6070401@streamunlimited.com> <20131204220510.GJ420@bill-the-cat> <52A9752B.9090103@denx.de> <52A9ADFC.3050907@ti.com> <52A9B800.5020402@streamunlimited.com> <52A9B923.4020206@denx.de> <52A9BCA3.8000903@ti.com> <52A9BDDD.60502@denx.de> Message-ID: <52A9BECE.6050402@ti.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 12/12/2013 08:45 AM, Stefan Roese wrote: > On 12.12.2013 14:39, Tom Rini wrote: >>>> Good point - indeed I had I/D caches enabled for other reasons >>>> already (md5/sha1 caclulations, ..) >>> >>> Hmmm. I expected that caches are enabled already. Since I didn't >>> see any "D-Cache disabled message" in the startup log. >>> >>> If this is not that case, then such cache support would be greatly >>> appreciated. :) >> >> Check your logs? Unless you've also got a patched tree you should see >> "WARNING: Caches disabled" or so, because, yeah, oops, am335x got in >> with caches disabled, and then I forgot about it. > > This is what I got currently (mainline): > > U-Boot 2014.01-rc1-00165-ge03c76c (Dec 12 2013 - 09:26:20) > > I2C: ready > DRAM: 128 MiB > Enable d-cache > DFU USB: VID = 0x 908, PID = 0x 2d2 > NAND: 256 MiB > MMC: OMAP SD/MMC: 0, OMAP SD/MMC: 1 > Net: cpsw > > So caches seem to be enabled, right? Or is i-cache still missing? Ug, the siemens board code enables dcache on its own. Need to take care of that. That said, it's the same one-liner the rest of the patches do, sans printf. I think you may need to do more investigation. - -- Tom -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQIcBAEBAgAGBQJSqb7NAAoJENk4IS6UOR1Wa0sQAIDZPzpzMFi43rjUS9aB79m/ +v/sr5ZbZky6h9PRvZ4PRTODLQ5SQkfshgzLQvLORCECdoFqMbrHW7JVwP+m52Oi WVP9tuyAy6L5LyNBtYyjpTCfOoqJS1XciGtQor8kfVIo9xWuJXC2SxPH1z5jy0UE z/YQZKF0IZmCVuK1DZ1faQUCx69FAzI7kWZoribWas9z7qc4jIkx+ksWac1YPr7r aDrcn69r1HSe+AcYbI6Tyfqmp7ve+I3saMPNs/t6b8dAPP4/SkBJI9oM1H4jzah9 DNQoMLO60Ht6o6QFTPp1+GL1Vx/dygsfHPxKEKglmxBumDx5JVDP2YjQxjIS+6Eq /KVYolam1MY3QOVYXxAIO3TVPdlFZkGry/6nWrUnufGWRS5L3jA7onqLhvulQX5v OUQUd4QVGmitDOFk07MALZYJiHqAD4nM0nvQeuQFEskMbZMc6I8Vmoy+PIIfBuAZ gUMy5/DHXxv+29+ca7SyQo0BKhizDhqcQWIgI0IdKbo4FfcviNQTy0LClrLLnEOr FGnUo85h21G9iTkbiH2BU05Q/oaHdsZS9GAFd5rqOUipE7JbDU4U2Vf1iTSAKG/9 HQHUsIcqx62CWkzR9c3arJC8aXlTuIsRxtKSpLQNtvrvovhIvQ7mKg2MmqJ0GnQ8 yL2GqrvbCwThcoNLM3SY =56fr -----END PGP SIGNATURE-----