FAQ: [#6176] error happend when test tftlcd(2010)

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[#6176] error happend when test tftlcd

Submitted By: angelia wu

Open Date

2010-08-12 04:23:46     Close Date

2010-08-23 01:36:15

Priority:

Medium     Assignee:

Sonic Zhang

Status:

Closed     Fixed In Release:

N/A

Found In Release:

2010R1     Release:

Blackfin Linux:2010R1

Category:

N/A     Board:

STAMP

Processor:

BF537     Silicon Revision:

Is this bug repeatable?:

Yes     Resolution:

Fixed

Uboot version or rev.:

    Toolchain version or rev.:

svn-4681

App binary format:

N/A     

Summary: error happend when test tftlcd

Details:

 

when modprobe bf537-lq035 module,some error happend as following.but the show of tftlcd testing is right.

 

 

root:/> modprobe bf537-lq035

i2c-bfin-twi i2c-bfin-twi.0: Blackfin BF5xx on-chip I2C TWI Contoller, regs_base@ffc01400

bf537-lq035-ad5280 0-002c: write fail: -1

bf537-lq035-ad5280: probe of 0-002c failed with error -1

root:/> video_test

 

 

Hit any key to stop autoboot:  0

Using bfin_mac device

TFTP from server 10.100.4.174; our IP address is 10.100.4.50

Filename 'uImage'.

Load address: 0x1000000

Loading: #################################################################

         #################################################################

         #################################################################

         #################################################################

         ###################################################

done

Bytes transferred = 4562396 (459ddc hex)

## Booting kernel from Legacy Image at 01000000 ...

   Image Name:   bf537-2.6.34.2-ADI-2010R1-pre-sv

   Created:      2010-08-05   1:07:17 UTC

   Image Type:   Blackfin Linux Kernel Image (gzip compressed)

   Data Size:    4562332 Bytes = 4.4 MiB

   Load Address: 00001000

   Entry Point:  001a568c

   Verifying Checksum ... OK

   Uncompressing Kernel Image ... OK

Starting Kernel at = 001a568c

Linux version 2.6.34.2-ADI-2010R1-pre-svn9041 (test@uclinux71-digiumPBX) (gcc version 4.3.4 (ADI-trunk/svn-3951) ) #227 Thu Aug 5 09:07:03 CST 2010

register early platform devices

bootconsole [early_shadow0] enabled

bootconsole [early_BFuart0] enabled

early printk enabled on early_BFuart0

Limiting kernel memory to 56MB due to anomaly 05000263

Board Memory: 64MB

Kernel Managed Memory: 64MB

Memory map:

  fixedcode = 0x00000400-0x00000490

  text      = 0x00001000-0x00118058

  rodata    = 0x00118058-0x00176ad8

  bss       = 0x00177000-0x001875e0

  data      = 0x001875e0-0x0019a000

    stack   = 0x00198000-0x0019a000

  init      = 0x0019a000-0x00881000

  available = 0x00881000-0x03800000

  DMA Zone  = 0x03f00000-0x04000000

Hardware Trace Active and Enabled

Boot Mode: 0

Blackfin support (C) 2004-2010 Analog Devices, Inc.

Compiled for ADSP-BF537 Rev 0.2

Blackfin Linux support by http://blackfin.uclinux.org/

Processor Speed: 500 MHz core clock and 125 MHz System Clock

NOMPU: setting up cplb tables

Instruction Cache Enabled for CPU0

  External memory: cacheable in instruction cache

Data Cache Enabled for CPU0

  External memory: cacheable (write-back) in data cache

Built 1 zonelists in Zone order, mobility grouping off.  Total pages: 14224

Kernel command line: root=/dev/mtdblock0 rw clkin_hz=25000000 earlyprintk=serial,uart0,57600 console=ttyBF0,57600 ip=10.100.4.50:10.100.4.174:10.100.4.174:2f

PID hash table entries: 256 (order: -2, 1024 bytes)

Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)

Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)

Memory available: 48068k/65536k RAM, (7068k init code, 1116k kernel code, 520k data, 1024k dma, 7740k reserved)

Hierarchical RCU implementation.

NR_IRQS:138

Configuring Blackfin Priority Driven Interrupts

console [ttyBF0] enabled, bootconsole disabled

console [ttyBF0] enabled, bootconsole disabled

Calibrating delay loop... 995.32 BogoMIPS (lpj=1990656)

Security Framework initialized

Mount-cache hash table entries: 512

Blackfin Scratchpad data SRAM: 4 KB

Blackfin L1 Data A SRAM: 16 KB (16 KB free)

Blackfin L1 Data B SRAM: 16 KB (16 KB free)

Blackfin L1 Instruction SRAM: 48 KB (35 KB free)

NET: Registered protocol family 16

Blackfin DMA Controller

stamp_init(): registering device resources

bio: create slab <bio-0> at 0

Switching to clocksource bfin_cs_cycles

NET: Registered protocol family 2

IP route cache hash table entries: 1024 (order: 0, 4096 bytes)

TCP established hash table entries: 2048 (order: 2, 16384 bytes)

TCP bind hash table entries: 2048 (order: 1, 8192 bytes)

TCP: Hash tables configured (established 2048 bind 2048)

TCP reno registered

UDP hash table entries: 256 (order: 0, 4096 bytes)

UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)

NET: Registered protocol family 1

msgmni has been set to 93

io scheduler noop registered

io scheduler cfq registered (default)

bfin-uart: Blackfin serial driver

bfin-uart.0: ttyBF0 at MMIO 0xffc00400 (irq = 18) is a BFIN-UART

brd: module loaded

bfin_mii_bus: probed

bfin_mii_bus: Can't get IRQ 65535 (PHY)

bfin_mac: attached PHY driver [SMSC LAN83C185] (mii_bus:phy_addr=0:01, irq=-1, mdc_clk=2500000Hz(mdc_div=24)@sclk=125MHz)

bfin_mac bfin_mac.0: Blackfin on-chip Ethernet MAC driver, Version 1.1

rtc-bfin rtc-bfin: rtc core: registered rtc-bfin as rtc0

bfin-wdt: initialized: timeout=20 sec (nowayout=0)

TCP cubic registered

NET: Registered protocol family 17

IP-Config: Complete:tting system clock to 1970-01-04 07:31:33 UTC (286293)

     device=eth0, addr=10.100.4.50, mask=255.255.255.0, gw=10.100.4.174,

     host=bf537-stamp, domain=, nis-domain=(none),

     bootserver=10.100.4.174, rootserver=10.100.4.174, rootpath=

dma_alloc_init: dma_page @ 0x028e1000 - 256 pages at 0x03f00000

Freeing unused kernel memory: 7068k freed

                           _____________________________________

        a8888b.           / Welcome to the uClinux distribution \

       d888888b.         /       _     _                         \

       8P"YP"Y88        /       | |   |_|            __  __ (TM)  |

       8|o||o|88  _____/        | |    _ ____  _   _ \ \/ /       |

       8'    .88       \        | |   | |  _ \| | | | \  /        |

       8`._.' Y8.       \       | |__ | | | | | |_| | /  \        |

      d/      `8b.       \      \____||_|_| |_|\____|/_/\_\       |

     dP   .    Y8b.       \   For embedded processors including   |

    d8:'  "  `::88b        \    the Analog Devices Blackfin      /

   d8"         'Y88b        \___________________________________/

  :8P    '      :888

   8a.   :     _a88P         For further information, check out:

._/"Yaa_:   .| 88P|            - http://blackfin.uclinux.org/

\    YP"    `| 8P  `.          - http://docs.blackfin.uclinux.org/

/     \.___.d|    .'           - http://www.uclinux.org/

`--..__)8888P`._.'  jgs/a:f    - http://www.analog.com/blackfin

 

Have a lot of fun...

 

 

BusyBox v1.16.2 (2010-08-05 08:02:50 CST) hush - the humble shell

 

root:/> PHY: 0:01 - Link is Up - 100/Full

 

root:/> lsmod

Module                  Size  Used by

root:/> modprobe bf537-lq035

i2c-bfin-twi i2c-bfin-twi.0: Blackfin BF5xx on-chip I2C TWI Contoller, regs_base@ffc01400

bf537-lq035-ad5280 0-002c: write fail: -1

bf537-lq035-ad5280: probe of 0-002c failed with error -1

root:/> video_test

^C

 

Follow-ups

 

--- Sonic Zhang                                              2010-08-18 05:18:30

Fixed. The predefined i2c address 0x2c doesn't match the configuration of ad5280

PINs AD0 and AD1 on the tftlcd addon board. Both AD0 and AD1 are of voltage

3.3V, which means the i2c address should be 0x2F.

 

 

--- angelia wu                                               2010-08-23 01:36:15

i test this case again and it indeed fixed, so i closed the bug.

 

 

 

    Files

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    Commits

    Dependencies

    Duplicates

    Associations

    Tags

 

File Name     File Type     File Size     Posted By

config.tftlcd.portrait    application/octet-stream    37623    angelia wu

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