[#6213] i2c lcd driver testing on bf537, can't say some rdac files in 0-002f folder
Submitted By: angelia wu
Open Date
2010-08-30 02:39:14 Close Date
2010-08-31 03:11:59
Priority:
Medium Assignee:
steven miao
Status:
Closed Fixed In Release:
N/A
Found In Release:
2010R1 Release:
Blackfin Linux:2010R1
Category:
N/A Board:
STAMP
Processor:
BF537 Silicon Revision:
Is this bug repeatable?:
Yes Resolution:
Fixed
Uboot version or rev.:
Toolchain version or rev.:
svn-4681
App binary format:
N/A
Summary: i2c lcd driver testing on bf537, can't say some rdac files in 0-002f folder
Details:
can't say some rdac files in 0-002f folder.
U-Boot 2010.06-svn2366 (ADI-2010R1-pre) (Jul 27 2010 - 21:47:44)
CPU: ADSP bf537-0.2 (Detected Rev: 0.2) (bypass boot)
Board: ADI BF537 stamp board
Support: http://blackfin.uclinux.org/
Clock: VCO: 500 MHz, Core: 500 MHz, System: 125 MHz
RAM: 64 MiB
Flash: 4 MiB
In: serial
Out: serial
Err: serial
KGDB: [on serial] ready
Net: bfin_mac
Hit any key to stop autoboot: 0
Using bfin_mac device
TFTP from server 10.100.4.174; our IP address is 10.100.4.50
Filename 'uImage'.
Load address: 0x1000000
Loading: #################################################################
#################################################################
#################################################################
#################################################################
###############################################################
done
Bytes transferred = 4731413 (483215 hex)
## Booting kernel from Legacy Image at 01000000 ...
Image Name: bf537-2.6.34.6-ADI-2010R1-pre-sv
Created: 2010-08-30 6:19:26 UTC
Image Type: Blackfin Linux Kernel Image (gzip compressed)
Data Size: 4731349 Bytes = 4.5 MiB
Load Address: 00001000
Entry Point: 001a7684
Verifying Checksum ... OK
Uncompressing Kernel Image ... OK
Starting Kernel at = 001a7684
Linux version 2.6.34.6-ADI-2010R1-pre-svn9117 (test@uclinux41) (gcc version 4.3.5 (ADI-trunk/svn-4681) ) #162 Mon Aug 30 14:19:22 CST 2010
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 = 0x00001000-0x0011a400
rodata = 0x0011a400-0x0017975c
bss = 0x0017a000-0x0018a4fc
data = 0x0018a4fc-0x0019c000
stack = 0x0019a000-0x0019c000
init = 0x0019c000-0x008ce000
available = 0x008ce000-0x03800000
DMA Zone = 0x03f00000-0x04000000
Hardware Trace Active and Enabled
Boot Mode: 0
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=10.100.4.50:10.100.4.174:10.99.29.1:25f
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: 47760k/65536k RAM, (7368k init code, 1125k kernel code, 519k data, 1024k dma, 7740k reserved)
Hierarchical RCU implementation.
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)
Security Framework initialized
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_base@ffc00500, dma channel@7
i2c i2c-0: Failed to register i2c client ad5252 at 0x2f (-16)
i2c i2c-0: Can't create device at 0x2f
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
msgmni has been set to 93
io scheduler noop registered
io scheduler cfq registered (default)
bfin-uart: Blackfin serial driver
bfin-uart.0: ttyBF0 at MMIO 0xffc00400 (irq = 18) is a BFIN-UART
brd: module loaded
ad_dpot 0-0018: ad5258 64-Position Digital Potentiometer registered
bfin_mii_bus: probed
bfin_mii_bus: Can't get IRQ 65535 (PHY)
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
i2c /dev entries driver
bfin-wdt: initialized: timeout=20 sec (nowayout=0)
TCP cubic registered
NET: Registered protocol family 17
IP-Config: Gateway not on directly connected network.09:02:21 UTC (291741)
dma_alloc_init: dma_page @ 0x02937000 - 256 pages at 0x03f00000
Freeing unused kernel memory: 7368k 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 - https://www.analog.com/blackfin
Have a lot of fun...
BusyBox v1.16.2 (2010-08-30 14:13:40 CST) hush - the humble shell
root:/> PHY: 0:01 - Link is Up - 100/Full
root:/> cd /sys/bus/i2c/devices/0-002f/
root:/sys/devices/platform/i2c-bfin-twi.0/i2c-0/0-002f> ls
modalias name power subsystem uevent
root:/sys/devices/platform/i2c-bfin-twi.0/i2c-0/0-002f>
Follow-ups
--- steven miao 2010-08-30 07:14:45
fixed. BF537-STAMP ad5252 i2c slave address is different from BF533-STAMP,
change
from 0x2F to 0x2E.
--- angelia wu 2010-08-31 03:11:59
yes,it is indeed the address problem.
And i test it again and now all is ok. So i closed the bug 6213.
thank you steven miao.
Files
Changes
Commits
Dependencies
Duplicates
Associations
Tags
File Name File Type File Size Posted By
user.537i2c_lcd.config application/x-config 49072 angelia wu
kernel.537i2c_lcd.config application/x-config 40361 angelia wu