RE: Compiled Linux 2.6.22.2 image not having VPU driver ....

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Sorry, I didnt attached the boot message file. Here it is. 

W.

From: wierdo_b@xxxxxxxxxxx
To: ebenard@xxxxxxx
CC: linux-arm@xxxxxxxxxxxxxxxxxxxxxx
Subject: Compiled Linux 2.6.22.2 image not having VPU driver ....
Date: Mon, 22 Dec 2008 15:24:39 +0100








Hi all,

I have compiled a linux kernel to work with Freescale imx27 application processor, with ARM926EJ processor, with the configuration including the MXC VPU support, eMMA as well as IPU. But after booting, there is no device file for the vpu, with the message when tried to open the device. 

Can't open /dev/mxc_vpu 

I have attached the boot messages in case it helps. I used Openembedded.


W. 
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Uncompressing Linux.................................................................................................. done, booting the kernel.
Linux version 2.6.22.6 (fass@speedytux) (gcc version 3.4.3) #7 PREEMPT Mon Dec 22 14:45:19 CET 2008
CPU: ARM926EJ-S [41069264] revision 4 (ARMv5TEJ), cr=00053177
Machine: Freescale i.MX27ADS
Memory policy: ECC disabled, Data cache writeback
CPU0: D VIVT write-back cache
CPU0: I cache: 16384 bytes, associativity 4, 32 byte lines, 128 sets
CPU0: D cache: 16384 bytes, associativity 4, 32 byte lines, 128 sets
Built 1 zonelists.  Total pages: 16256
Kernel command line: console=ttymxc0,115200 mem=64M mtdparts=uboot:1M(boot),-(root) root=/dev/sda1 rootdelay=10 rootfstype=ext2 video=mxcfb:400x300,bpp=16,OSD080TN4x
MXC IRQ initialized
PID hash table entries: 256 (order: 8, 1024 bytes)
MXC GPT timer initialized, rate = 13300000
Console: colour dummy device 80x30
Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)
Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)
Memory: 64MB = 64MB total
Memory: 61676KB available (2792K code, 362K data, 104K init)
Mount-cache hash table entries: 512
CPU: Testing write buffer coherency: ok
NET: Registered protocol family 16
AIPI VA base: 0xd4000000
CPU is i.MX27 Revision 2.0
Clock input source is 26000000
MXC GPIO hardware
DM9000 base is d4000000, irq no 214
GPIO por 3, pin 7: Use either GPIO_MUX_GPIO_LOW or GPIO_MUX_GPIO_HIGH to prevent glitches during GPIO reconfiguration
GPIO por 3, pin 4: Use either GPIO_MUX_GPIO_LOW or GPIO_MUX_GPIO_HIGH to prevent glitches during GPIO reconfiguration
SCSI subsystem initialized
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
MXC I2C driver
Time: mxc_gpt clocksource has been installed.
Switched to high resolution mode on CPU 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
MX27: Power management module initialized
NetWinder Floating Point Emulator V0.97 (double precision)
JFFS2 version 2.2. (NAND) (SUMMARY)  © 2001-2006 Red Hat, Inc.
io scheduler noop registered
io scheduler anticipatory registered
io scheduler deadline registered
io scheduler cfq registered (default)
mxc_sdc_fb mxc_sdc_fb.0: fb0: DISP0 BG fb device registered successfully.
mxc_sdc_fb mxc_sdc_fb.0: fb0: DISP0 BG 800X600, BPP=16, BCLK=30075
mxc_sdc_fb mxc_sdc_fb.0: fb1: DISP0 FG fb device registered successfully.
mxc_sdc_fb mxc_sdc_fb.0: fb1: DISP0 FG 800X600, BPP=16, BCLK=30075
Serial: MXC Internal UART driver
mxcintuart.0: ttymxc0 at MMIO 0x1000a000 (irq = 20) is a Freescale MXC
mxcintuart.1: ttymxc1 at MMIO 0x1000b000 (irq = 19) is a Freescale MXC
mxcintuart.2: ttymxc2 at MMIO 0x1000c000 (irq = 18) is a Freescale MXC
RAMDISK driver initialized: 16 RAM disks of 16384K size 1024 blocksize
loop: module loaded
dm9000 Ethernet Driver
eth0: dm9000 at c485c000,c485e000 IRQ 214 MAC: 00:50:c2:72:a7:4a
Linux video capture interface: v2.00
fsl-ehci fsl-ehci.0: Freescale On-Chip EHCI Host Controller
fsl-ehci fsl-ehci.0: new USB bus registered, assigned bus number 1
fsl-ehci fsl-ehci.0: irq 55, io mem 0x10024400
fsl-ehci fsl-ehci.0: USB 2.0 started, EHCI 1.00, driver 10 Dec 2004
usb usb1: configuration #1 chosen from 1 choice
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 1 port detected
Initializing USB Mass Storage driver...
usb 1-1: new high speed USB device using fsl-ehci and address 2
usb 1-1: configuration #1 chosen from 1 choice
hub 1-1:1.0: USB hub found
hub 1-1:1.0: 4 ports detected
usb 1-1.2: new high speed USB device using fsl-ehci and address 3
usb 1-1.2: configuration #1 chosen from 1 choice
scsi0 : SCSI emulation for USB Mass Storage devices
usbcore: registered new interface driver usb-storage
USB Mass Storage support registered.
mxc_rtc mxc_rtc.0: rtc core: registered mxc_rtc as rtc0
No external RTC device
Real Time clock Driver v1.0 32768kHz base clock
SSI module loaded successfully
VPU initialized
MXC MMC/SD driver
mxcmci-1 found
Advanced Linux Sound Architecture Driver Version 1.0.14 (Thu May 31 09:03:25 2007 UTC).
ALSA device list:
  No soundcards found.
TCP cubic registered
NET: Registered protocol family 1
NET: Registered protocol family 17
ieee80211: 802.11 data/management/control stack, git-1.1.13
ieee80211: Copyright (C) 2004-2005 Intel Corporation <jketreno@xxxxxxxxxxxxxxx>
mxc_rtc mxc_rtc.0: setting the system clock to 2008-12-22 13:50:28 (1229953828)
Waiting 10sec before mounting root device...
mmc0: new SD card at address e624
mmcblk0: mmc0:e624 SU02G 1985024KiB
 mmcblk0: p1
scsi 0:0:0:0: Direct-Access     Freecom  DataBar USB2.0   1100 PQ: 0 ANSI: 0 CCS
sd 0:0:0:0: [sda] 506880 512-byte hardware sectors (260 MB)
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Assuming drive cache: write through
sd 0:0:0:0: [sda] 506880 512-byte hardware sectors (260 MB)
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Assuming drive cache: write through
 sda: sda1
sd 0:0:0:0: [sda] Attached SCSI removable disk
EXT2-fs warning: mounting unchecked fs, running e2fsck is recommended
VFS: Mounted root (ext2 filesystem).
Freeing init memory: 104K
INIT: version 2.86 booting
udev requires a mounted sysfs, not started.
ipkg_conf_set_option: Unrecognized option: proxy_username=
ipkg_conf_set_option: Unrecognized option: proxy_password=
Nothing to be done
INIT: Entering runlevel: 2
Starting syslogd/klogd: done
Setting up IP spoofing protection: rp_filter.
Configuring network interfaces... udhcpc (v1.2.1) started
eth0: link up, 100Mbps, full-duplex, lpa 0x45E1
Sending discover...
Sending select for 172.17.100.14...
Lease of 172.17.100.14 obtained, lease time 86400

abctrl (C)oded by NSC 2008

Starting Dropbear SSH server: dropbear.
Running ntpdate to synchronize clock.

OpenEmbedded Linux mx21ads ttymxc0

Project 20081208 mx21ads ttymxc0

mx21ads: __
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