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From: Vitaly Bordug <vbordug@ru•mvista.com>
To: "Schaefer-Hutter, Peter" <Peter.Schaefer-Hutter@tfk-racoms•com>
Cc: linuxppc-embedded list <linuxppc-embedded@ozlabs•org>
Subject: Re: MPC885ADS and 2.6.13-rc5 - nogo ?
Date: Wed, 03 Aug 2005 18:35:59 +0400	[thread overview]
Message-ID: <42F0D64F.80600@ru.mvista.com> (raw)
In-Reply-To: <8E342283C2100540AAC5D103097054776F8533@rcexc.racoms.loc>

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Schaefer-Hutter, Peter wrote:

>Hello,
>
>  
>
>>From: Vitaly Bordug [mailto:vbordug@ru•mvista.com] 
>>    
>>
>
>  
>
>>The board does not hang - there's somithing with 
>>console since you don't see anything.  Try to change 
>>BCSR_ADDR from 0xf4500000 to 0xf80...0 - the newer 
>>version of the boards may have this changed.
>>    
>>
>
>Hrm... arc/ppc/mpc885ads.h already reads
>
>  /* U-Boot maps BCSR to 0xff080000 */
>  #define BCSR_ADDR   ((uint)0xff080000)
>
>And that's the same setting that my 2.4-Kernel
>uses, so it should work with 0xff080000.
>
>However, BCSR_SIZE looks suspicious in this header:
>
>  #define BCSR_SIZE   ((uint)32)
>
>Shouldn't that read:
>
>  #define BCSR_SIZE   ((uint)32 * 1024)
>
>??!?
>
>Regards,
>
>  Peter
>
>  
>
<quotation> (This is from 8272 User Guide, but 885 I guess is the same 
in this part)

> Most of the hardware options on the MPC8272ADS are controlled or 
> monitored by the
> BCSR, which is a 32 bit wide read / write register file. The BCSR is 
> accessed via the
> MPC8272s' memory controller (see Table 5-5) and in fact includes 8 
> registers: BCSR0 to
> BCSR7. Since the minimum block size for a CS region is 32KBytes and 
> only A(27:29)
> lines are decoded by the BCSR for register selection, BCSR0 - BCSR7 
> are duplicated inside
> that region.

<quotation\>

-- 
Sincerely, 
Vitaly


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  reply	other threads:[~2005-08-03 14:36 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-08-03 14:27 MPC885ADS and 2.6.13-rc5 - nogo ? Schaefer-Hutter, Peter
2005-08-03 14:35 ` Vitaly Bordug [this message]
  -- strict thread matches above, loose matches on Subject: below --
2005-08-08 14:34 Schaefer-Hutter, Peter
2005-08-08  9:37 Schaefer-Hutter, Peter
2005-08-05 16:00 Schaefer-Hutter, Peter
2005-08-05 16:26 ` aris
2005-08-03 15:13 Schaefer-Hutter, Peter
2005-08-03 13:45 Schaefer-Hutter, Peter
2005-08-03 14:03 ` Vitaly Bordug
2005-08-03 12:47 Schaefer-Hutter, Peter
2005-08-03 13:03 ` Vitaly Bordug

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