Re: Linuxppc-embedded Digest, Vol 24, Issue 42

The following code works on linux 2.6

__volatile__ unsigned char dummy;
u32 msr;
    
local_irq_disable(); 

    
((cpm2_map_t *)CPM_MAP_ADDR)->im_clkrst.car_rmr = 1;  
 /* Checkstop Reset enable */
    
/* Interrupts and MMU off */
__asm__ __volatile__ ("mfmsr    %0":"=r" (msr):);
    
msr &= ~(MSR_ME | MSR_EE | MSR_IR | MSR_DR);
__asm__ __volatile__ ("mtmsr    %0"::"r" (msr)); 
    
dummy = ((cpm2_map_t
*)CPM_MAP_ADDR)->im_clkrst.res[0];
    
printk("Restart failed.\n");
for (;;);

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Today's Topics:

   1. RE: reboot on PQ2FADS board. (Liu Dave-r63238)

----------------------------------------------------------------------

Message: 1
Date: Fri, 18 Aug 2006 09:45:21 +0800
From: "Liu Dave-r63238" <redacted>
Subject: RE: reboot on PQ2FADS board.
To: "Zhimin \(Jimmy\) Liu" <redacted>,
	[off-list ref]
Message-ID:

[ref]

Content-Type: text/plain; charset="us-ascii"

Hi Liu,
 
please try this..
 
     u32 msr;
     
     volatile immap_t *immap = (immap_t *)
IMAP_ADDR;
     
     
     /* Interrupts and MachineCheck off */
     __asm__ __volatile__ ("mfmsr    %0":"=r"
(msr):);
     
     msr &= ~(MSR_ME | MSR_EE);
     __asm__ __volatile__ ("mtmsr    %0"::"r"
(msr)); 
     
     immap->im_clkrst.car_rmr = 1;    /* Checkstop
Reset enable */

     immap->resxxx = 0;        /* please find one
immap illegal address
                                   access it, trig
reset */
     for (;;);



________________________________

	From:

linuxppc-embedded-bounces+daveliu=freescale.com@ozlabs.org

[mailto:linuxppc-embedded-bounces+daveliu=freescale.com@ozlabs.org]

On
Behalf Of Zhimin (Jimmy) Liu
	Sent: Friday, August 18, 2006 1:00 AM
	To: linuxppc-embedded@ozlabs.org
	Subject: reboot on PQ2FADS board.
	
	

	Did you sovlve the problem? I have same issue for
the  PQ2FADS
board. 

	jimmy 

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End of Linuxppc-embedded Digest, Vol 24, Issue 42
*************************************************

Jimmy Zhimin Liu
mailto:jimmyzhmliu@yahoo.com
www.edgar-online.com
11200 Rockville Pike, Suite 301
Rockville, MD 20874
(301)287-0339(O)
(202)499-6822(H)

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