[#6216] can't probe lcd device in i2c lcd driver testing on board bf527-ezkit-rev2.0
Submitted By: angelia wu
Open Date
2010-08-31 03:59:28 Close Date
2010-09-14 06:46:28
Priority:
Medium Assignee:
steven miao
Status:
Closed Fixed In Release:
N/A
Found In Release:
2010R1 Release:
Blackfin Linux:2010R1
Category:
N/A Board:
EZKIT Lite
Processor:
BF527 Silicon Revision:
Is this bug repeatable?:
Yes Resolution:
Rejected
Uboot version or rev.:
Toolchain version or rev.:
svn-4681
App binary format:
N/A
Summary: can't probe lcd device in i2c lcd driver testing on board bf527-ezkit-rev2.0
Details:
can't probe lcd device in i2c lcd driver testing on board bf527-ezkit-rev2.0.
And the i2c driver test on other board bf537,bf 548 is OK.
the log as follow.
Welcome to minicom 2.3
OPTIONS: I18n
Compiled on Jul 5 2010, 13:36:15.
Port /dev/ttyS0
Press CTRL-A Z for help on special keys
0
## Booting kernel from Legacy Image at 20100000 ...
Image Name: bf527-2.6.31.6-ADI-2010R1-pre-sv
Created: 2009-11-26 12:04:45 UTC
Image Type: Blackfin Linux Kernel Image (gzip compressed)
Data Size: 1671987 Bytes = 1.6 MiB
Load Address: 00001000
Entry Point: 00182808
Verifying Checksum ... OK
Uncompressing Kernel Image ... OK
Starting Kernel at = 00182808
Linux version 2.6.31.6-ADI-2010R1-pre-svn7860 (test@uboot30-527ezkit) (gcc version 4.3.4 (ADI-trunk/svn-3679) ) #28 Thu Nov 26 12:04:32 GMT 2009
register early platform devices
bootconsole [early_shadow0] enabled
bootconsole [early_BFuart1] enabled
early printk enabled on early_BFuart1
Board Memory: 64MB
Kernel Managed Memory: 64MB
Memory map:
fixedcode = 0x00000400-0x00000490
text = 0x00001000-0x001048b0
rodata = 0x001048b0-0x00155ea0
bss = 0x00156000-0x00166bf4
data = 0x00166bf4-0x00178000
stack = 0x00176000-0x00178000
init = 0x00178000-0x002d2000
available = 0x002d2000-0x03eff000
DMA Zone = 0x03f00000-0x04000000
Hardware Trace Active and Enabled
Boot Mode: 1
Blackfin support (C) 2004-2009 Analog Devices, Inc.
Compiled for ADSP-BF527 Rev 0.2
Blackfin Linux support by http://blackfin.uclinux.org/
Processor Speed: 600 MHz core clock and 50 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: 16001
Kernel command line: root=/dev/mtdblock0 rw clkin_hz=25000000 earlyprintk=serial,uart1,57600 console=tty0 console=ttyBF1,57600
PID hash table entries: 256 (order: 8, 1024 bytes)
Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)
Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)
Memory available: 61052k/65536k RAM, (1384k init code, 1038k kernel code, 462k data, 1024k dma, 572k reserved)
NR_IRQS:119
Configuring Blackfin Priority Driven Interrupts
console [ttyBF1] enabled, bootconsole disabled
console [ttyBF1] enabled, bootconsole disabled
Calibrating delay loop... 1196.03 BogoMIPS (lpj=2392064)
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 (42 KB free)
NET: Registered protocol family 16
Blackfin DMA Controller
ezkit_init(): registering device resources
bio: create slab <bio-0> at 0
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 119
io scheduler noop registered
io scheduler anticipatory registered (default)
io scheduler cfq registered
bfin-otp: initialized
bfin-uart: Blackfin serial driver
bfin-uart.1: ttyBF1 at MMIO 0xffc02000 (irq = 31) is a BFIN-UART
brd: module loaded
bfin_mii_bus: probed
bfin_mac: attached PHY driver [Generic PHY] (mii_bus:phy_addr=0:01, irq=-1, mdc_clk=2500000Hz(mdc_div=9)@sclk=50MHz)
bfin_mac bfin_mac.0: Blackfin on-chip Ethernet MAC driver, Version 1.1
m25p80 spi0.1: m25p16 (2048 Kbytes)
Creating 2 MTD partitions on "m25p80":
0x000000000000-0x000000040000 : "bootloader(spi)"
0x000000040000-0x000000200000 : "linux kernel(spi)"
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
i2c-bfin-twi i2c-bfin-twi.0: Blackfin BF5xx on-chip I2C TWI Contoller, regs_base@ffc01400
TCP cubic registered
NET: Registered protocol family 17
rtc-bfin rtc-bfin: setting system clock to 1970-01-05 20:24:09 UTC (419049)
Freeing unused kernel memory: 1384k freed
dma_alloc_init: dma_page @ 0x022de000 - 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 v1.15.2 (2009-11-25 14:23:34 GMT) hush - the humble shell
root:/> modprobe bfin_twi_lcd
modprobe: module bfin_twi_lcd not found in modules.dep
root:/> cd /sys/bus/i2c/devices
root:/sys/bus/i2c/devices> ls
root:/sys/bus/i2c/devices> ls
root:/sys/bus/i2c/devices>
Follow-ups
--- steven miao 2010-09-14 04:47:12
It works, maybe build script for BF527-EZKIT-V2 should update.
--- angelia wu 2010-09-14 06:46:28
yes, i test it again and now it indeed works.
so i closed the bug and thank you steven miao.
Files
Changes
Commits
Dependencies
Duplicates
Associations
Tags
File Name File Type File Size Posted By
kernel.527i2c_lcd.config application/x-config 48681 angelia wu
user.527i2c_lcd.config application/x-config 48796 angelia wu