FAQ: [#6428] LCD lq035 fails to work in bf537-stamp in latest trunk(2010)

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[#6428] LCD lq035 fails to work in bf537-stamp in latest trunk

Submitted By: Vivi Li

Open Date

2010-12-28 21:17:51     Close Date

2011-03-03 22:34:55

Priority:

Medium     Assignee:

Scott Jiang

Status:

Closed     Fixed In Release:

N/A

Found In Release:

2011R1     Release:

Category:

N/A     Board:

N/A

Processor:

ALL     Silicon Revision:

Is this bug repeatable?:

Yes     Resolution:

Fixed

Uboot version or rev.:

    Toolchain version or rev.:

gcc4.3-2010_Dec_18

App binary format:

N/A     

Summary: LCD lq035 fails to work in bf537-stamp in latest trunk

Details:

 

LCD lq035 fails to work in bf537-stamp in latest trunk.

fb0 device node is not generated after lcd module bf537_lq035 is installed.

This bug doesn't happen with lcd drivers on bf527 and bf548.

 

--

Linux version 2.6.36.2-ADI-2011R1-pre-svn9536 (test@uclinux71-lcd-ad73311) (gcc version 4.3.5 (ADI-trunk/svn-5013) ) #4 Wed Dec 0

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      = 0x00001000-0x0011c270

  rodata    = 0x0011c270-0x0017b0d4

  bss       = 0x0017c000-0x0018c7f4

  data      = 0x0018c7f4-0x0019e000

    stack   = 0x0019c000-0x0019e000

  init      = 0x0019e000-0x008ab000

  available = 0x008ab000-0x03800000

  DMA Zone  = 0x03f00000-0x04000000

Hardware Trace Active and Enabled

Boot Mode: 0

Reset caused by Software reset

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=10.100.4.50f

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: 47900k/65536k RAM, (7220k init code, 1132k kernel code, 520k data, 1024k dma, 7740k reserved)

Hierarchical RCU implementation.

        RCU-based detection of stalled CPUs is disabled.

        Verbose stalled-CPUs detection is disabled.

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)

pid_max: default: 32768 minimum: 301

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

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

debug-mmrs: setting up Blackfin MMR debugfs

msgmni has been set to 93

io scheduler noop 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_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: eth0: 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

rIP-Config: Complete:tting system clock to 1970-01-17 23:30:29 UTC (1467029)

     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 @ 0x02926000 - 256 pages at 0x03f00000

Freeing unused kernel memory: 7220k 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 v1.18.1 (2010-12-29 08:52:03 CST) hush - the humble shell

 

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

 

>

>

> version

kernel:    Linux release 2.6.36.2-ADI-2011R1-pre-svn9536, build #4 Wed Dec 29 09:56:06 CST 2010

toolchain: bfin-uclinux-gcc release gcc version 4.3.5 (ADI-trunk/svn-5013)

user-dist: release svn-10023, build #55 Wed Dec 29 09:55:14 CST 2010

root:/> modprobe bf537_lq035

root:/> lsmod

Module                  Size  Used by

bf537_lq035             6189  0

cfbimgblt               1480  1 bf537_lq035

lcd                     1793  1 bf537_lq035

cfbfillrect             2647  1 bf537_lq035

cfbcopyarea             3035  1 bf537_lq035

backlight               2461  1 bf537_lq035

root:/> ls dev/

console             null                ram15               rtc0

cpu_dma_latency     ptmx                ram2                stderr

fd                  pts                 ram3                stdin

full                ram0                ram4                stdout

kmsg                ram1                ram5                tty

log                 ram10               ram6                ttyBF0

mdev.seq            ram11               ram7                urandom

mem                 ram12               ram8                watchdog

network_latency     ram13               ram9                zero

network_throughput  ram14               random

root:/> video_test

Unable to open frame buffer device /dev/fb0: No such file or directory

root:/>

--

 

Follow-ups

 

--- Mike Frysinger                                           2010-12-28 21:22:59

please run `dmesg -c` before the modprobe, and then show the output of `dmesg`

after the modprobe.  also, try running `mdev -s` after the modprobe and see if

/dev/fb0 shows up.

 

--- Vivi Li                                                  2010-12-28 21:37:47

Here is the updated result:

--

> dmesg -c

Linux version 2.6.36.2-ADI-2011R1-pre-svn9536 (test@uclinux71-lcd-ad73311) (gcc

version 4.3.5 (ADI-trunk/svn-5013) ) #4 Wed Dec 0

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      = 0x00001000-0x0011c270

  rodata    = 0x0011c270-0x0017b0d4

  bss       = 0x0017c000-0x0018c7f4

  data      = 0x0018c7f4-0x0019e000

    stack   = 0x0019c000-0x0019e000

  init      = 0x0019e000-0x008ab000

  available = 0x008ab000-0x03800000

  DMA Zone  = 0x03f00000-0x04000000

Hardware Trace Active and Enabled

Boot Mode: 0

Reset caused by Software reset

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

boot memmap: 00000000008ab000 - 0000000003800000 (usable)

On node 0 totalpages: 14336

free_area_init_node: node 0, pgdat 0019b0f0, node_mem_map 008ad000

  DMA zone: 112 pages used for memmap

  DMA zone: 0 pages reserved

  DMA zone: 14224 pages, LIFO batch:0

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=10.100.4.50f

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)

Kernel managed physical pages: 14336

Memory available: 47900k/65536k RAM, (7220k init code, 1132k kernel code, 520k

data, 1024k dma, 7740k reserved)

Hierarchical RCU implementation.

        RCU-based detection of stalled CPUs is disabled.

        Verbose stalled-CPUs detection is disabled.

NR_IRQS:138

Configuring Blackfin Priority Driven Interrupts

console [ttyBF0] enabled, bootconsole disabled

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

pid_max: default: 32768 minimum: 301

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

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

debug-mmrs: setting up Blackfin MMR debugfs

msgmni has been set to 93

io scheduler noop 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_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: eth0: 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

rtc-bfin rtc-bfin: setting system clock to 1970-01-17 23:51:42 UTC (1468302)

IP-Config: Complete:

     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 @ 0x02926000 - 256 pages at 0x03f00000

Freeing unused kernel memory: 7220k freed

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

root:/> modprobe bf537_lq035

root:/> dmesg

root:/> mdev -s

root:/> ls /dev/fb*

ls: /dev/fb*: No such file or directory

root:/>

--

 

--- Scott Jiang                                              2011-03-03 22:34:55

fixed.

 

 

 

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File Name     File Type     File Size     Posted By

config.linux.tftlcd    application/octet-stream    37883    Vivi Li

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