[#5319] lq035 fails to work on bf537-stamp after wake up from mem

Submitted By: Vivi Li

Open Date

2009-07-07 04:22:30 Close Date

2009-07-29 02:36:01

Priority:

Medium High Assignee:

Michael Hennerich

Status:

Closed Fixed In Release:

N/A

Found In Release:

N/A Release:

Category:

Drivers Board:

N/A

Processor:

BF537 Silicon Revision:

Is this bug repeatable?:

Yes Resolution:

Fixed

Uboot version or rev.:

Toolchain version or rev.:

gcc4.1_09r1-rc7

App binary format:

N/A

Summary: lq035 fails to work on bf537-stamp after wake up from mem

Details:

After wake up from mem, video_test fails to work for lq035 on bf537-stamp. It works after wake up from standby mode.

Bellow is the log:

Linux version 2.6.28.10-ADI-2009R1-svn6917 (test@uclinux52-ad73311-lcd) (gcc version 4.1.2 (ADI svn)) #42 Sat Jul 4 21:24:16 CST9

console [early_BFuart0] enabled

early printk enabled on early_BFuart0

Warning: limiting memory to 56MB due to hardware anomaly 05000263

Board Memory: 64MB

Kernel Managed Memory: 64MB

Memory map:

fixedcode = 0x00000400-0x00000490

text = 0x00001000-0x0011cc70

rodata = 0x0011cc70-0x00173bf0

bss = 0x00174000-0x00185fd4

data = 0x00185fd4-0x00198000

stack = 0x00196000-0x00198000

init = 0x00198000-0x008fb000

available = 0x008fb000-0x037ff000

DMA Zone = 0x03e00000-0x04000000

Hardware Trace Active and Enabled

Boot Mode: 0

Reset caused by Software reset

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

Data Cache Enabled for CPU0 (write-back)

Built 1 zonelists in Zone order, mobility grouping off. Total pages: 14223

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

Configuring Blackfin Priority Driven Interrupts

PID hash table entries: 256 (order: 8, 1024 bytes)

console handover: boot [early_BFuart0] -> real [ttyBF0]

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

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

Memory available: 47576k/65536k RAM, (7564k init code, 1135k kernel code, 493k data, 2048k dma, 6720k reserved)

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 (15 KB free)

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

Blackfin L1 Instruction SRAM: 48 KB (37 KB free)

net_namespace: 288 bytes

NET: Registered protocol family 16

Blackfin DMA Controller

stamp_init(): registering device resources

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

NET: Registered protocol family 1

msgmni has been set to 92

io scheduler noop registered

io scheduler anticipatory registered (default)

io scheduler cfq registered

Serial: Blackfin serial driver

bfin-uart.1: 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: 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)

Advanced Linux Sound Architecture Driver Version 1.0.18rc3.

ALSA device list:

No soundcards found.

TCP cubic registered

NET: Registered protocol family 17

rtc-bfin rtc-bfin: setting system clock to 1970-01-01 04:09:22 UTC (14962)

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=

Freeing unused kernel memory: 7564k freed

dma_alloc_init: dma_page @ 0x008f8000 - 512 pages at 0x03e00000

_____________________________________

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 v1.13.4 (2009-07-04 21:18:45 CST) built-in shell (msh)

Enter 'help' for a list of built-in commands.

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

root:/>

root:/> modprobe bf537_lq035

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

bf537-lq035: FrameBuffer initializing...<6>Done.

root:/> lsmod

Module Size Used by

i2c_bfin_twi 5432 0

bf537_lq035 7932 0

cfbfillrect 2764 1 bf537_lq035

cfbimgblt 1604 1 bf537_lq035

lcd 2516 1 bf537_lq035

backlight 2652 1 bf537_lq035

cfbcopyarea 2540 1 bf537_lq035

i2c_core 14564 2 i2c_bfin_twi,bf537_lq035

root:/> video_test

^Croot:/> rtcwake -s 15 -m mem

wakeup from "mem" at Thu Jan 1 04:10:24 1970

PM: Syncing filesystems ... done.

Freezing user space processes ... (elapsed 0.00 seconds) done.

Freezing remaining freezable tasks ... (elapsed 0.00 seconds) done.

Suspending console(s) (use no_console_suspend to debug)

PHY: 0:01 - Link is Down

Restarting tasks ... done.

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

root:/> lsmod

Module Size Used by

i2c_bfin_twi 5432 0

bf537_lq035 7932 0

cfbfillrect 2764 1 bf537_lq035

cfbimgblt 1604 1 bf537_lq035

lcd 2516 1 bf537_lq035

backlight 2652 1 bf537_lq035

cfbcopyarea 2540 1 bf537_lq035

i2c_core 14564 2 i2c_bfin_twi,bf537_lq035

root:/> video_test

(now no image shows up on LCD)

Follow-ups

--- Michael Hennerich 2009-07-08 08:16:47

fixed on trunk and branch 2009R1

Restore timers

--- Vivi Li 2009-07-09 02:11:23

I test the branch, and I can still see this bug.

Bellow is my test version:

root:/> version

kernel: Linux release 2.6.28.10-ADI-2009R1-svn6950, build #6 Thu Jul 9

13:22:27 CST 2009

toolchain: bfin-linux-uclibc-gcc release gcc version 4.1.2 (ADI svn)

user-dist: release svn-8473, build #3 Thu Jul 9 13:21:44 CST 2009

--- Michael Hennerich 2009-07-09 05:23:27

it works for me.

Can you tell me your switch configuration on the LCD card?

-Michael

--- Vivi Li 2009-07-10 00:11:59

I'm using a BF537-STAMP version 2.1 board with following hw configs:

SW2: all ON

SW3: all OFF

SW4: OFF/ON/OF/ON

SW5: all OFF

SW6: ON/ON/ON/OFF

--- Michael Hennerich 2009-07-13 06:45:11

Fixed on branch 2009R1 and trunk

Please try again.

--- Vivi Li 2009-07-29 02:36:01

OK now. Close it.

Files

Changes

Commits

Dependencies

Duplicates

Associations