[#4940] On bf548-ezkit, ethernet fails to work after wakeup from "mem"

Submitted By: Vivi Li

Open Date

2009-02-25 02:38:11 Close Date

2009-03-02 21:33:37

Priority:

Medium Assignee:

Michael Hennerich

Status:

Closed Fixed In Release:

N/A

Found In Release:

N/A Release:

Category:

Drivers Board:

EZKIT Lite

Processor:

BF548 Silicon Revision:

Is this bug repeatable?:

Yes Resolution:

Fixed

Uboot version or rev.:

Toolchain version or rev.:

gcc4.1_2009-01-19

App binary format:

N/A

Summary: On bf548-ezkit, ethernet fails to work after wakeup from "mem"

Details:

On bf548-ezkit, ethernet fails to work after wakeup from "mem". Wakeup from "standby" is ok.

Kernel config file is attached. Bellow is the log:

U-Boot 2008.10-svn1693 (ADI-2009R1-pre) (Feb 25 2009 - 11:26:07)

CPU: ADSP bf548-0.0 (Detected Rev: 0.1) (parallel flash boot)

Board: ADI BF548 EZ-Kit board

Support: blackfin.uclinux.org/

Clock: VCO: 525 MHz, Core: 525 MHz, System: 131.250 MHz

RAM: 64 MB

Flash: 16 MB

NAND: 256 MiB

In: serial

Out: serial

Err: serial

Net: MAC: 00:E0:22:FE:B8:54

Hit any key to stop autoboot: 0

smc911x: initializing

smc911x: detected LAN9218 controller

smc911x: phy initialized

smc911x: MAC 00:e0:22:fe:b8:54

TFTP from server 10.100.4.174; our IP address is 10.100.4.50

Filename 'uImage'.

Load address: 0x1000000

Loading: #################################################################

#################################################################

done

Bytes transferred = 4777984 (48e800 hex)

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

Image Name: Linux-2.6.28.6-ADI-2009R1-pre-sv

Created: 2009-02-25 6:10:13 UTC

Image Type: Blackfin Linux Kernel Image (gzip compressed)

Data Size: 4777920 Bytes = 4.6 MB

Load Address: 00001000

Entry Point: 002515dc

Verifying Checksum ... OK

Uncompressing Kernel Image ... OK

Starting Kernel at = 002515dc

Linux version 2.6.28.6-ADI-2009R1-pre-svn6124 (test@uclinux61-bf548-std) (gcc version 4.1.2 (ADI svn)) #54 Wed Feb 25 06:09:54 G9

console [early_BFuart0] enabled

early printk enabled on early_BFuart0

Board Memory: 64MB

Kernel Managed Memory: 64MB

Memory map:

fixedcode = 0x00000400-0x00000490

text = 0x00001000-0x0018e8f0

rodata = 0x0018e8f0-0x00213280

bss = 0x00213280-0x00224f10

data = 0x00224f10-0x0023c000

stack = 0x0023a000-0x0023c000

init = 0x0023c000-0x009ae000

available = 0x009ae000-0x03dff000

DMA Zone = 0x03e00000-0x04000000

Hardware Trace Active and Enabled

Boot Mode: 1

Reset caused by Software reset

Compiled for ADSP-BF548 Rev 0.1

Blackfin Linux support by blackfin.uclinux.org/

Processor Speed: 525 MHz core clock and 131 MHz System Clock

NOMPU: setting up cplb tables

Instruction Cache Enabled for CPU0

Data Cache Enabled for CPU0 (write-through)

Built 1 zonelists in Zone order, mobility grouping off. Total pages: 15747

Kernel command line: root=/dev/mtdblock0 rw clkin_hz=25000000 earlyprintk=serial,uart1,57600 console=tty0 console=ttyBF0,57600 if

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: 52992k/65536k RAM, (7624k init code, 1590k kernel code, 694k data, 2048k dma, 584k reserved)

Calibrating delay loop... 1046.52 BogoMIPS (lpj=2093056)

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 (42 KB free)

Blackfin L2 SRAM: 128 KB (128 KB free)

PDA for CPU0 reserved at 00214c30

net_namespace: 288 bytes

NET: Registered protocol family 16

Blackfin GPIO Controller

Blackfin DMA Controller

ezkit_init(): registering device resources

SCSI subsystem initialized

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 103

io scheduler noop registered

io scheduler anticipatory registered (default)

io scheduler cfq registered

bfin-otp: initialized

Serial: Blackfin serial driver

bfin-uart.1: ttyBF0 at MMIO 0xffc02000 (irq = 48) is a BFIN-UART

brd: module loaded

smsc911x: Driver version 2007-07-13.

eth0: SMSC911x MAC Address: 00:e0:22:fe:b8:54

Driver 'sd' needs updating - please use bus_type methods

Driver 'sr' needs updating - please use bus_type methods

scsi0 : pata-bf54x

ata1: PATA max UDMA/66 irq 68

ata1.00: ATA-6: TOSHIBA MK4032GAX, AD101A, max UDMA/100

ata1.00: 78140160 sectors, multi 16: LBA48

ata1.00: configured for UDMA/66

blk_queue_max_hw_segments: set to minimum 1

scsi 0:0:0:0: Direct-Access ATA TOSHIBA MK4032GA AD10 PQ: 0 ANSI: 5

sd 0:0:0:0: [sda] 78140160 512-byte hardware sectors: (40.0 GB/37.2 GiB)

sd 0:0:0:0: [sda] Write Protect is off

sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA

sd 0:0:0:0: [sda] 78140160 512-byte hardware sectors: (40.0 GB/37.2 GiB)

sd 0:0:0:0: [sda] Write Protect is off

sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA

sda: sda1 sda2

sd 0:0:0:0: [sda] Attached SCSI disk

physmap platform flash device: 02000000 at 20000000

physmap-flash.0: Found 1 x16 devices at 0x0 in 16-bit bank

Intel/Sharp Extended Query Table at 0x010A

Using buffer write method

Using auto-unlock on power-up/resume

cfi_cmdset_0001: Erase suspend on write enabled

RedBoot partition parsing not available

Using physmap partition information

Creating 3 MTD partitions on "physmap-flash.0":

0x00000000-0x00040000 : "bootloader(nor)"

0x00040000-0x00440000 : "linux kernel(nor)"

0x00440000-0x01000000 : "file system(nor)"

bf5xx-nand bf5xx-nand.0: page_size=256, data_width=8, wr_dly=3, rd_dly=3

NAND device: Manufacturer ID: 0x20, Chip ID: 0xda (ST Micro NAND 256MiB 3,3V 8-bit)

Creating 2 MTD partitions on "NAND 256MiB 3,3V 8-bit":

0x00000000-0x00400000 : "linux kernel(nand)"

0x00400000-0x10000000 : "file system(nand)"

input: bf54x-keys as /devices/platform/bf54x-keys/input/input0

bf54x-keys: Blackfin BF54x Keypad registered IRQ 76

rtc-bfin rtc-bfin: rtc core: registered rtc-bfin as rtc0

i2c /dev entries driver

i2c-bfin-twi i2c-bfin-twi.0: Blackfin BF5xx on-chip I2C TWI Contoller, regs_base@ffc00700

i2c-bfin-twi i2c-bfin-twi.1: Blackfin BF5xx on-chip I2C TWI Contoller, regs_base@ffc02200

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 1970-01-02 05:19:12 UTC (105552)

eth0: SMSC911x/921x identified at 0x24000000, IRQ: 175

eth0: link down

IP-Config: Complete:

device=eth0, addr=10.100.4.50, mask=255.255.255.0, gw=10.100.4.174,

host=bf548-ezkit, domain=, nis-domain=(none),

bootserver=10.100.4.174, rootserver=10.100.4.174, rootpath=

Freeing unused kernel memory: 7624k freed

dma_alloc_init: dma_page @ 0x009ab000 - 512 pages at 0x03e00000

eth0: link up, 100Mbps, full-duplex, lpa 0x41E1

_____________________________________

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| - blackfin.uclinux.org/

\ YP" `| 8P `. - docs.blackfin.uclinux.org/

/ \.___.d| .' - www.uclinux.org/

`--..__)8888P`._.' jgs/a:f - www.analog.com/blackfin

Have a lot of fun...

BusyBox v1.13.2 (2009-02-25 06:07:04 GMT) built-in shell (msh)

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

root:/>

root:/> ping 10.100.4.174 -c 5

PING 10.100.4.174 (10.100.4.174): 56 data bytes

64 bytes from 10.100.4.174: seq=0 ttl=64 time=4.000 ms

64 bytes from 10.100.4.174: seq=1 ttl=64 time=0.000 ms

64 bytes from 10.100.4.174: seq=2 ttl=64 time=0.000 ms

64 bytes from 10.100.4.174: seq=3 ttl=64 time=0.000 ms

64 bytes from 10.100.4.174: seq=4 ttl=64 time=0.000 ms

--- 10.100.4.174 ping statistics ---

5 packets transmitted, 5 packets received, 0% packet loss

round-trip min/avg/max = 0.000/0.800/4.000 ms

root:/>

root:/> cat /proc/mounts

rootfs / rootfs rw 0 0

proc /proc proc rw,nosuid,nodev,noexec 0 0

sysfs /sys sysfs rw,nosuid,nodev,noexec 0 0

mdev /dev tmpfs rw,nosuid 0 0

devpts /dev/pts devpts rw,nosuid,noexec,mode=600 0 0

var /var ramfs rw 0 0

tmp /tmp tmpfs rw,nosuid,nodev 0 0

debugfs /sys/kernel/debug debugfs rw 0 0

root:/>

root:/> ls /sys/power

state

root:/>

root:/> rtcwake -s 10 -m mem

wakeup from "mem" at Fri Jan 2 05:22:41 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)

sd 0:0:0:0: [sda] Synchronizing SCSI cache

sd 0:0:0:0: [sda] Stopping disk

sd 0:0:0:0: [sda] Starting disk

ata1.00: configured for UDMA/66

sd 0:0:0:0: [sda] 78140160 512-byte hardware sectors: (40.0 GB/37.2 GiB)

sd 0:0:0:0: [sda] Write Protect is off

sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA

sda: detected capacity change from 0 to 40007761920

Restarting tasks ... done.

root:/>

root:/> ifconfig

eth0 Link encap:Ethernet HWaddr 00:E0:22:FE:B8:54

inet addr:10.100.4.50 Bcast:10.100.4.255 Mask:255.255.255.0

UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1

RX packets:7 errors:0 dropped:0 overruns:0 frame:0

TX packets:7 errors:0 dropped:0 overruns:0 carrier:0

collisions:0 txqueuelen:1000

RX bytes:610 (610.0 B) TX bytes:574 (574.0 B)

Interrupt:175

lo Link encap:Local Loopback

inet addr:127.0.0.1 Mask:255.0.0.0

UP LOOPBACK RUNNING MTU:16436 Metric:1

RX packets:0 errors:0 dropped:0 overruns:0 frame:0

TX packets:0 errors:0 dropped:0 overruns:0 carrier:0

collisions:0 txqueuelen:0

RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)

root:/>

root:/> ping 10.100.4.174 -c 5

PING 10.100.4.174 (10.100.4.174): 56 data bytes

--- 10.100.4.174 ping statistics ---

5 packets transmitted, 0 packets received, 100% packet loss

root:/>

Follow-ups

--- Michael Hennerich 2009-02-27 08:14:58

The smsc911x.c driver doesn't implement suspend/resume hook functions.

--- Michael Hennerich 2009-02-27 09:03:47

Fixed on trunk

Please try again.

-Michael

root:/> ping 192.168.1.1

PING 192.168.1.1 (192.168.1.1): 56 data bytes

64 bytes from 192.168.1.1: seq=0 ttl=64 time=4.000 ms

64 bytes from 192.168.1.1: seq=1 ttl=64 time=0.000 ms

--- 192.168.1.1 ping statistics ---

2 packets transmitted, 2 packets received, 0% packet loss

round-trip min/avg/max = 0.000/2.000/4.000 ms

root:/> rtcwake -s 10 -m mem

wakeup from "mem" at Thu Jan 1 01:44:44 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)

sd 0:0:0:0: [sda] Synchronizing SCSI cache

sd 0:0:0:0: [sda] Stopping disk

sd 0:0:0:0: [sda] Starting disk

ata1.00: configured for UDMA/66

sd 0:0:0:0: [sda] 78140160 512-byte hardware sectors: (40.0 GB/37.2 GiB)

sd 0:0:0:0: [sda] Write Protect is off

sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support

DPO or FUA

sda: detected capacity change from 0 to 40007761920

soc-audio soc-audio: scheduling resume work

soc-audio soc-audio: starting resume work

soc-audio soc-audio: resume work completed

Restarting tasks ... done.

root:/>

root:/> ping 192.168.1.1

PING 192.168.1.1 (192.168.1.1): 56 data bytes

64 bytes from 192.168.1.1: seq=0 ttl=64 time=0.000 ms

64 bytes from 192.168.1.1: seq=1 ttl=64 time=0.000 ms

64 bytes from 192.168.1.1: seq=2 ttl=64 time=0.000 ms

64 bytes from 192.168.1.1: seq=3 ttl=64 time=0.000 ms

64 bytes from 192.168.1.1: seq=4 ttl=64 time=0.000 ms

--- 192.168.1.1 ping statistics ---

5 packets transmitted, 5 packets received, 0% packet loss

round-trip min/avg/max = 0.000/0.000/0.000 ms

root:/>

--- Vivi Li 2009-03-02 21:33:37

OK now. Close it.

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