[#5783] sport uart test fails to receive data on bf537 0.3 stamp board

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[#5783] sport uart test fails to receive data on bf537 0.3 stamp board

Submitted By: Mingquan Pan

Open Date

2009-12-18 05:13:44     Close Date

2010-06-11 04:17:15

Priority:

Medium     Assignee:

Sonic Zhang

Status:

Closed     Fixed In Release:

N/A

Found In Release:

2010R1     Release:

Category:

N/A     Board:

N/A

Processor:

BF537     Silicon Revision:

0.3

Is this bug repeatable?:

Yes     Resolution:

Rejected

Uboot version or rev.:

    Toolchain version or rev.:

09r1.1-2

App binary format:

N/A     

Summary: sport uart test fails to receive data on bf537 0.3 stamp board

Details:

 

sport uart test fails to receive data on bf537 0.3 stamp board, while the same connection works for 0.2 silicon.

 

## Booting kernel from Legacy Image at 02000000 ...

   Image Name:   Linux-2.6.28.10-ADI-2009R1.1-svn

   Created:      2009-12-18   4:30:34 UTC

   Image Type:   Blackfin Linux Kernel Image (gzip compressed)

   Data Size:    4682473 Bytes =  4.5 MB

   Load Address: 00001000

   Entry Point:  00188808

   Verifying Checksum ... OK

   Uncompressing Kernel Image ... OK

Starting Kernel at = 00188808

Linux version 2.6.28.10-ADI-2009R1.1-svn8001 (test@my-local-machine) (gcc version 4.1.2 (ADI svn)) #28 Fri Dec 18 12:30:21 CST 2009

bootconsole [early_shadow0] enabled

bootconsole [early_BFuart0] enabled

early printk enabled on early_BFuart0

Board Memory: 64MB

Kernel Managed Memory: 64MB

Memory map:

  fixedcode = 0x00000400-0x00000490

  text      = 0x00001000-0x00105250

  rodata    = 0x00105250-0x00156434

  bss       = 0x00157000-0x00168720

  data      = 0x00168720-0x0017a000

    stack   = 0x00178000-0x0017a000

  init      = 0x0017a000-0x008c4000

  available = 0x008c4000-0x03eff000

  DMA Zone  = 0x03f00000-0x04000000

Hardware Trace Active and Enabled

Boot Mode: 0

Reset caused by Software reset

Blackfin support (C) 2004-2009 Analog Devices, Inc.

Compiled for ADSP-BF537 Rev 0.3

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: 16001

Kernel command line: root=/dev/mtdblock0 rw earlyprintk=serial,uart0,57600 ip=10.100.4.50 ip=10.100.4.50:10.100.4.174:10.100.4.174:255.255.255.0:bf537-stamp:eth0:off

Configuring Blackfin Priority Driven Interrupts

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

console [ttyBF0] enabled, bootconsole disabled

console [ttyBF0] enabled, bootconsole disabled

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

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

Memory available: 54964k/65536k RAM, (7464k init code, 1040k kernel code, 468k data, 1024k dma, 572k 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 107

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

bfin-uart.1: ttyBF1 at MMIO 0xffc02000 (irq = 20) is a BFIN-UART

bfin-sport-uart.0: ttySS0 at MMIO 0xffc00800 (irq = 12) is a SPORT0

bfin-sport-uart.1: ttySS1 at MMIO 0xffc00900 (irq = 14) is a SPORT1

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

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

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 1970-01-10 19:06:47 UTC (846407)

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: 7464k freed

dma_alloc_init: dma_page @ 0x008c1000 - 256 pages at 0x03f00000

                           _____________________________________

        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 (2009-12-18 12:26:10 CST) built-in shell (msh)

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

 

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

rsion

kernel:    Linux release 2.6.28.10-ADI-2009R1.1-svn8001, build #28 Fri Dec 18 12:30:21 CST 2009

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

user-dist: release svn-9271, build #13 Fri Dec 18 12:29:34 CST 2009

root:/> successful boot attempt

Starting test for UART ...

test@uclinux61-bf548-std:~/work/cruise/checkouts/uclinux-dist/testsuites/serial> telnet 10.100.4.50

Trying 10.100.4.50...

Connected to 10.100.4.50.

Escape character is '^]'.

 

 

BusyBox v1.13.4 (2009-12-18 12:26:10 CST) built-in shell (msh)

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

 

root:/>

root:/> cat /proc/kallsyms > ccc

root:/> stty -F /dev/ttySS0 cs8 ispeed 57600 ospeed 57600 -icrnl -ixon igncr -opost -onlcr -isig -icanon -iexten -echo -echoe -echok -echok

e -hupcl -echoctl min 1 time 0

root:/> cat /dev/ttySS0 > aaa

test@uclinux61-bf548-std:~/work/cruise/checkouts/uclinux-dist/testsuites/serial> rcp root@10.100.4.50:/ccc .

xon igncr -opost -onlcr -isig -icanon -iexten -echo -echoe -echok -echoke -hupcl -echoctl min 1 time 08 ispeed 57600 ospeed 57600 -icrnl -i

test@uclinux61-bf548-std:~/work/cruise/checkouts/uclinux-dist/testsuites/serial>  cat ccc > /dev/ttyS0

test@uclinux61-bf548-std:~/work/cruise/checkouts/uclinux-dist/testsuites/serial> ^C

root:/>

root:/> Catted file is got on target.

diff -u ccc aaa

--- ccc Sat Jan 10 19:06:58 1970

+++ aaa Sat Jan 10 19:08:30 1970

@@ -1,7654 +1,776 @@

-00001000 T _do_one_initcall

-00001000 T __stext

-00001000 T _text

-00001000 T __text

-00001164 t _run_init_process

-0000117c t _init_post

-00001250 T _name_to_dev_t

-00001458 t _kernel_thread_helper

-00001464 T _dump_fpu

-00001470 T _flush_thread

-0000147c T _copy_thread

 

Follow-ups

 

--- Sonic Zhang                                              2010-01-07 05:29:43

Not a bug.

There is a Audio Select Switch SW7 on the bf537-ezkit v2.2. This is set to all

on by default, which connect sport0 to the on board audio codec ad1871. Disable

all pin of SW7 before do sport uart testing.

 

 

 

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