[#6837] bf527-ezkit reset sometimes fail at low sclk and cclk freq

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[#6837] bf527-ezkit reset sometimes fail at low sclk and cclk freq

Submitted By: Mingquan Pan

Open Date

2011-10-21 02:01:23    

Priority:

Medium     Assignee:

Nobody

Category:

N/A     Fixed In Release:

2011R1

Found In Release:

2011R1     Status:

Open

Board:

N/A     Processor:

BF527

Silicon Revision:

    Resolution:

N/A

Is the bug repeatable?:

N/A     

Summary: bf527-ezkit reset sometimes fail at low sclk and cclk freq

Details:

 

bf527-ezkit reset sometimes fail at low sclk and cclk freq .

 

U-Boot 2011.09-svn2725 (ADI-2011R1-pre) (Oct 18 2011 - 21:01:35)

 

CPU:   ADSP bf527-0.0 (Detected Rev: 0.2) (parallel flash boot)

Board: ADI BF527 EZ-Kit board

       Support: http://blackfin.uclinux.org/

Clock: VCO: 400 MHz, Core: 200 MHz, System: 100 MHz

RAM:   64 MiB

Flash: 4 MiB

 

 

Ack! Something bad happened to the Blackfin!

 

SEQUENCER STATUS:

SEQSTAT: 00000021  IPEND: 0032  SYSCFG: fffffff2

  HWERRCAUSE: 0x0: undef

  EXCAUSE   : 0x21: undef inst

RETE: <0x(null)> /* Maybe null pointer? */

RETN: <0x03e9fd3c> /* unknown address */

RETX: <0x03f5e132> { _crc + 0x433e }

RETS: <0x03f5a160> { _crc + 0x36c }

RETI: <0x03f400e2> { _start + 0xe2 }

DCPLB_FAULT_ADDR: <0x03e9fd64> /* unknown address */

ICPLB_FAULT_ADDR: <0x03f5e132> { _crc + 0x433e }

 

PROCESSOR STATE:

R0 : 00026bec    R1 : 03f73dac    R2 : 00041000    R3 : 0000006e

R4 : 00009254    R5 : 00000000    R6 : 0000000a    R7 : 00000000

P0 : 03e9fdb4    P1 : 00000000    P2 : 03edc7f4    P3 : 03e9ffb0

P4 : 03edc7a0    P5 : 03e9fe78    FP : 03f73dac    SP : ffb00f18

LB0: 03f63762    LT0: 03f63762    LC0: 00000000

LB1: 03f5a5cc    LT1: 03f5a5c6    LC1: 00000000

B0 : ffb00400    L0 : 00000000    M0 : ffffffff    I0 : 00026bec

B1 : 00000000    L1 : 00000000    M1 : 00000000    I1 : 20006000

B2 : 00000000    L2 : 00000000    M2 : 00000000    I2 : 0000000f

B3 : 00000000    L3 : 00000000    M3 : 03f8fb53    I3 : 0000001b

A0.w: 00000050   A0.x: 00000000   A1.w: 00000050   A1.x: 00000000

USP : ffb00ffc  ASTAT: 00003044

 

Hardware Trace:

   0 Target : <0x03f416c8> { _trap_c + 0x0 }

     Source : <0x03f402a8> { _trap + 0x6c }

   1 Target : <0x03f4023c> { _trap + 0x0 }

     Source : <0x03f5e130> { _crc + 0x433c }

   2 Target : <0x03f5e0fa> { _crc + 0x4306 }

     Source : <0x03f5e0f6> { _crc + 0x4302 }

   3 Target : <0x03f5e0e8> { _crc + 0x42f4 }

     Source : <0x03f5e0e4> { _crc + 0x42f0 }

   4 Target : <0x03f5e0d2> { _crc + 0x42de }

     Source : <0x03f5e0ba> { _crc + 0x42c6 }

   5 Target : <0x03f5e0a8> { _crc + 0x42b4 }

     Source : <0x03f5a15c> { _crc + 0x368 }

   6 Target : <0x03f5a13a> { _crc + 0x346 }

     Source : <0x03f5dbb8> { _crc + 0x3dc4 }

   7 Target : <0x03f5db7a> { _crc + 0x3d86 }

     Source : <0x03f5db74> { _crc + 0x3d80 }

   8 Target : <0x03f5db70> { _crc + 0x3d7c }

     Source : <0x03f5dc5a> { _crc + 0x3e66 }

   9 Target : <0x03f5dc40> { _crc + 0x3e4c }

     Source : <0x03f5dc64> { _crc + 0x3e70 }

  10 Target : <0x03f5dc5e> { _crc + 0x3e6a }

     Source : <0x03f5dc2c> { _crc + 0x3e38 }

  11 Target : <0x03f5dc22> { _crc + 0x3e2e }

     Source : <0x03f4b88a> { _malloc + 0x4ba }

  12 Target : <0x03f4b882> { _malloc + 0x4b2 }

     Source : <0x03f4b6a4> { _malloc + 0x2d4 }

  13 Target : <0x03f4b6a2> { _malloc + 0x2d2 }

     Source : <0x03f4b87e> { _malloc + 0x4ae }

  14 Target : <0x03f4b820> { _malloc + 0x450 }

     Source : <0x03f4b778> { _malloc + 0x3a8 }

  15 Target : <0x03f4b756> { _malloc + 0x386 }

     Source : <0x03f4b748> { _malloc + 0x378 }

 

 

 

Ack! Something bad happened to the Blackfin!

 

SEQUENCER STATUS:

SEQSTAT: 00060021  IPEND: 0032  SYSCFG: 0032

  HWERRCAUSE: 0x18: raise 5 instruction

  EXCAUSE   : 0x21: undef inst

RETE: <0x(null)> /* Maybe null pointer? */

RETN: <0x03e9fd3c> /* unknown address */

RETX: <0x03f4034c> { _exception_to_level5 + 0x0 }

RETS: <0x03f5a160> { _crc + 0x36c }

RETI: <0x03f5e132> { _crc + 0x433e }

DCPLB_FAULT_ADDR: <0x03e9fd64> /* unknown address */

ICPLB_FAULT_ADDR: <0x03f4034c> { _exception_to_level5 + 0x0 }

 

PROCESSOR STATE:

R0 : 00026bec    R1 : 03f73dac    R2 : 00041000    R3 : 0000006e

R4 : 00009254    R5 : 00000000    R6 : 0000000a    R7 : 00000000

P0 : 03e9fdb4    P1 : 00000000    P2 : 03edc7f4    P3 : 03e9ffb0

P4 : 03edc7a0    P5 : 03e9fe78    FP : 03f73dac    SP : 03e9fc68

LB0: 03f63762    LT0: 03f63762    LC0: 00000000

LB1: 03f5a5cc    LT1: 03f5a5c6    LC1: 00000000

B0 : ffb00400    L0 : 00000000    M0 : ffffffff    I0 : 00026bec

B1 : 00000000    L1 : 00000000    M1 : 00000000    I1 : 20006000

B2 : 00000000    L2 : 00000000    M2 : 00000000    I2 : 0000000f

B3 : 00000000    L3 : 00000000    M3 : 03f8fb53    I3 : 0000001b

A0.w: 00000050   A0.x: 00000000   A1.w: 00000050   A1.x: 00000000

USP : ffb00ffc  ASTAT: 00003044

 

Hardware Trace:

   0 Target : <0x03f416c8> { _trap_c + 0x0 }

     Source : <0x03f403d4> { _exception_to_level5 + 0x88 }

   1 Target : <0x03f4034c> { _exception_to_level5 + 0x0 }

     Source : <0x03f4034a> { _trap + 0x10e }

   2 Target : <0x03f402ac> { _trap + 0x70 }

     Source : <0x03f4188a> { _trap_c + 0x1c2 }

 

PANIC: Blackfin internal error

### ERROR ### Please RESET the board ###

 

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