FAQ: [#6213] i2c lcd driver testing on bf537, can't say some rdac files in 0-002f folder(2010)

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[#6213] i2c lcd driver testing on bf537, can't say some rdac files in 0-002f folder

Submitted By: angelia wu

Open Date

2010-08-30 02:39:14     Close Date

2010-08-31 03:11:59

Priority:

Medium     Assignee:

steven miao

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: i2c lcd driver testing on bf537, can't say some rdac files in 0-002f folder

Details:

 

can't say some rdac files in 0-002f folder.

 

U-Boot 2010.06-svn2366 (ADI-2010R1-pre) (Jul 27 2010 - 21:47:44)

 

CPU:   ADSP bf537-0.2 (Detected Rev: 0.2) (bypass boot)

Board: ADI BF537 stamp board

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

Clock: VCO: 500 MHz, Core: 500 MHz, System: 125 MHz

RAM:   64 MiB

Flash: 4 MiB

In:    serial

Out:   serial

Err:   serial

KGDB:  [on serial] ready

Net:   bfin_mac

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 = 4731413 (483215 hex)

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

   Image Name:   bf537-2.6.34.6-ADI-2010R1-pre-sv

   Created:      2010-08-30   6:19:26 UTC

   Image Type:   Blackfin Linux Kernel Image (gzip compressed)

   Data Size:    4731349 Bytes = 4.5 MiB

   Load Address: 00001000

   Entry Point:  001a7684

   Verifying Checksum ... OK

   Uncompressing Kernel Image ... OK

Starting Kernel at = 001a7684

Linux version 2.6.34.6-ADI-2010R1-pre-svn9117 (test@uclinux41) (gcc version 4.3.5 (ADI-trunk/svn-4681) ) #162 Mon Aug 30 14:19:22 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      = 0x00001000-0x0011a400

  rodata    = 0x0011a400-0x0017975c

  bss       = 0x0017a000-0x0018a4fc

  data      = 0x0018a4fc-0x0019c000

    stack   = 0x0019a000-0x0019c000

  init      = 0x0019c000-0x008ce000

  available = 0x008ce000-0x03800000

  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=10.100.4.50:10.100.4.174:10.99.29.1:25f

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: 47760k/65536k RAM, (7368k init code, 1125k kernel code, 519k 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

bfin-spi bfin-spi.0: Blackfin on-chip SPI Controller Driver, Version 1.0, regs_base@ffc00500, dma channel@7

i2c i2c-0: Failed to register i2c client ad5252 at 0x2f (-16)

i2c i2c-0: Can't create device at 0x2f

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

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

ad_dpot 0-0018: ad5258 64-Position Digital Potentiometer registered

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

i2c /dev entries driver

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

TCP cubic registered

NET: Registered protocol family 17

IP-Config: Gateway not on directly connected network.09:02:21 UTC (291741)

dma_alloc_init: dma_page @ 0x02937000 - 256 pages at 0x03f00000

Freeing unused kernel memory: 7368k 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 (2010-08-30 14:13:40 CST) hush - the humble shell

 

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

 

root:/> cd /sys/bus/i2c/devices/0-002f/

root:/sys/devices/platform/i2c-bfin-twi.0/i2c-0/0-002f> ls

modalias   name       power      subsystem  uevent

root:/sys/devices/platform/i2c-bfin-twi.0/i2c-0/0-002f>

 

Follow-ups

 

--- steven miao                                              2010-08-30 07:14:45

fixed. BF537-STAMP ad5252 i2c slave address is different from BF533-STAMP,

change

from 0x2F to 0x2E.

 

--- angelia wu                                               2010-08-31 03:11:59

yes,it is indeed the address problem.

And i test it again and now all is ok. So i closed the bug 6213.

thank you steven miao.

 

 

 

    Files

    Changes

    Commits

    Dependencies

    Duplicates

    Associations

    Tags

 

File Name     File Type     File Size     Posted By

user.537i2c_lcd.config    application/x-config    49072    angelia wu

kernel.537i2c_lcd.config    application/x-config    40361    angelia wu

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