linux-kernel - Re: [PATCH] cpsw: Fix interrupt storm among other things

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Message-Id: <0422CC2C-3D0D-4BB5-A90D-D3D337E44DD0@antoniou-consulting.com>
Date:	Wed, 30 Jan 2013 14:44:30 +0200
From:	Pantelis Antoniou <panto@...oniou-consulting.com>
To:	"Bedia, Vaibhav" <vaibhav.bedia@...com>
Cc:	"N, Mugunthan V" <mugunthanvnm@...com>,
	Richard Cochran <richardcochran@...il.com>,
	"Porter, Matt" <mporter@...com>,
	"Maupin, Chase" <chase.maupin@...com>,
	"Kridner, Jason" <jdk@...com>, Tony Lindgren <tony@...mide.com>,
	"linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] cpsw: Fix interrupt storm among other things

Hi Vaibhav,

On Jan 30, 2013, at 2:38 PM, Bedia, Vaibhav wrote:

> On Wed, Jan 30, 2013 at 16:38:50, Pantelis Antoniou wrote:
> [...]
>> 
>> TBH I haven't found a simple way to print out the silicon revision number.
>> Anyone on the list know a quick and dirty method? 
>> 
> 
> You can dump the DEVICE_ID register @ 0x44e10600.
> Bits 31:28 should be 0 for PG1.0 and 1 for PG2.0.
> 

Thanks this works perfectly:

original-bone:
root@...glebone:~# devmem2 0x44e10600 w
Read at address  0x44E10600 (0xb6ff4600): 0x0B94402E

bone-black:
root@...glebone:~# devmem2 0x44e10600 w
Read at address  0x44E10600 (0xb6fcc600): 0x1B94402E

> Regards,
> Vaibhav 
> 

Regards

-- Pantelis

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