FAQ: [#6724] uart wake up fail to work in latest trunk for all platforms(2011)

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[#6724] uart wake up fail to work in latest trunk for all platforms

Submitted By: Vivi Li

Open Date

2011-08-05 05:43:34     Close Date

2011-08-15 02:20:35

Priority:

Medium     Assignee:

steven miao

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_09

App binary format:

N/A     

Summary: uart wake up fail to work in latest trunk for all platforms

Details:

 

uart wake up fail to work in latest trunk for all platforms.

 

Last passed version :

--

kernel:    Linux release 3.0.0-ADI-2011R1-pre-svn10038, build #126 Mon Aug 1 08:49:02 CST 2011

kernel git version cc8642974e67f23ade2996090a96d42801561cdb

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

user-dist: release svn-10273, build #1682 Mon Aug 1 08:48:02 CST 2011

--

 

First failed version:

--

kernel:    Linux release 3.0.0-ADI-2011R1-pre-svn10041, build #132 Tue Aug 2 14:51:44 CST 2011

kernel git version 56c741fc1aac122c8d4f9fa9a31055caa941e8a5

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

user-dist: release svn-10273, build #1766 Tue Aug 2 14:50:46 CST 2011

--

 

Bellow is the log:

--

Linux version 3.0.0-ADI-2011R1-pre-svn10041 (test@54-7393-1362-sl811-jtag) (gcc version 4.3.5 (ADI-trunk/svn-5013) ) #132 Tue Aug 2 14:51:44 CST 2011

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      = 0x00001000-0x00127420

  rodata    = 0x00127420-0x0018797c

  bss       = 0x00188000-0x00197abc

  data      = 0x00197abc-0x001aa000

    stack   = 0x001a8000-0x001aa000

  init      = 0x001aa000-0x00867000

  available = 0x00867000-0x03800000

  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 ip=10.100.4.50 earlyprintk=serial,uart0,57600 console=ttyBF0,57600 ip=10.100.4.50:10.100.4.174:10.100.4.174:255.255.255.0:bf537-stamp:eth0:off

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: 48132k/65536k RAM, (6900k init code, 1177k kernel code, 523k data, 1024k dma, 7780k reserved)

NR_IRQS:146

Configuring Blackfin Priority Driven Interrupts

bfin-rtc: invalid date; resetting

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

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

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 94

io scheduler noop registered (default)

bfin-uart: Blackfin serial driver

bfin-uart.0: ttyBF0 at MMIO 0xffc00400 (irq = 0) 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 1970-01-01 06:42:47 UTC (24167)

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: 6900k 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 v1.18.4 (2011-08-02 10:40:16 CST) hush - the humble shell

 

root:/>

root:/> echo enabled > /sys/class/tty/ttyBF0/power/wakeup

root:/> cat /sys/class/tty/ttyBF0/power/wakeup

enabled

root:/> echo standby > /sys/power/state

PM: Syncing filesystems ... done.

Freezing user space processes ... (elapsed 0.01 seconds) done.

Freezing remaining freezable tasks ... (elapsed 0.01 seconds) done.

Suspending console(s) (use no_console_suspend to debug)

 

(Fail to wake up by pressing any key)

--

 

Follow-ups

 

--- steven miao                                              2011-08-11 04:17:10

missing uart port irq setup in commit b401d4469f2d1387d037cff48ff17fd41b76c498

 

--- Vivi Li                                                  2011-08-15 02:20:35

OK now.

Close it.

 

 

 

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File Name     File Type     File Size     Posted By

config.linux.uart_wakeup    application/octet-stream    35864    Vivi Li

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