From: Tom Rini <trini@ti.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] am335x: cpsw: optimize cpsw_recv to increase network performance
Date: Thu, 12 Dec 2013 08:49:02 -0500 [thread overview]
Message-ID: <52A9BECE.6050402@ti.com> (raw)
In-Reply-To: <52A9BDDD.60502@denx.de>
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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
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next prev parent reply other threads:[~2013-12-12 13:49 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-28 9:38 [U-Boot] [PATCH] am335x: cpsw: optimize cpsw_recv to increase network performance Vladimir Koutny
2013-11-28 9:55 ` Mugunthan V N
2013-12-04 22:05 ` [U-Boot] " Tom Rini
2013-12-12 8:34 ` Stefan Roese
2013-12-12 12:37 ` Tom Rini
2013-12-12 13:20 ` Vladimir Koutny
2013-12-12 13:24 ` Stefan Roese
2013-12-12 13:39 ` Tom Rini
2013-12-12 13:45 ` Stefan Roese
2013-12-12 13:49 ` Tom Rini [this message]
2013-12-12 13:53 ` Stefan Roese
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