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My software is IPNC368 20100713_version2.0, I use the davinci_dm368_ipnc_defconfig_rel kernel config, then "make sysall" , "make cramfs" to build whole software newly, finaly download in IPNC368 machine, write to nand flash, set the corresponding bootcmd and bootargs in uboot accroding "Users_Guide_IPNC_DM36x.pdf". I get following error when linux start
........................................
yaffs: dev is 1048576 name is "ram0"
yaffs: passed flags ""
yaffs: Attempting MTD mount on 1.0, "ram0"
yaffs: dev is 1048576 name is "ram0"
yaffs: passed flags ""
yaffs: Attempting MTD mount on 1.0, "ram0"
XFS: bad magic number
XFS: SB validate failed
No filesystem could mount root, tried: ext3 ext2 cramfs squashfs msdos vfat yaf
fs yaffs2 xfs
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(1,0)
I found my new build cramfs image is about 16M, more larger than that containd in Appro release (prebuild image \Application\bin\dm368\cramfsImage_ipnc_dm368_2.0.0, about 12M), I just change a little c language code in sys_server(less than 100 lines modify and new create a helloworld test thread in system process). I use compare the directory structures in the two cramfs image, found many difference, I don't this is why? can anyone get some help? My detail set and boot log as follow,
-----------------------------------------------------------------------------
Uboot log
------------------------------------------------------------------------------
DM368 IPNC :>tftpboot 0x80700000 uImage_ipnc_DM368
TFTP from server 192.168.1.12; our IP address is 192.168.1.168
Filename 'uImage_ipnc_DM368'.
Load address: 0x80700000
Loading: #################################################################
############################################################
done
Bytes transferred = 1825908 (1bdc74 hex)
DM368 IPNC :>tftpboot 0x82000000 cramfsImage_ipnc_DM368
TFTP from server 192.168.1.12; our IP address is 192.168.1.168
Filename 'cramfsImage_ipnc_DM368'.
Load address: 0x82000000
Loading: #################################################################
#################################################################
#################################################################
#################################################################
#################################################################
#################################################################
#################################################################
#################################################################
#################################################################
#################################################################
#################################################################
#################################################################
#################################################################
#################################################################
#################################################################
#################################################################
#################################################################
###################################
done
Bytes transferred = 16728064 (ff4000 hex)
DM368 IPNC :>nand erase 0x500000 0x1200000
NAND erase: device 0 offset 0x500000, size 0x1200000
Erasing at 0x16e0000 -- 100% complete.
OK
DM368 IPNC :>nand write 0x80700000 0x500000 0x200000
NAND write: device 0 offset 0x500000, size 0x200000
2097152 bytes written: OK
DM368 IPNC :>nand write 0x82000000 0x700000 0x1000000
NAND write: device 0 offset 0x700000, size 0x1000000
16777216 bytes written: OK
DM368 IPNC :>setenv bootcmd 'nand read 0x82000000 0x700000 0x1000000;nboot 0x807
00000 0 0x500000;bootm 0x80700000'
DM368 IPNC :>
DM368 IPNC :>setenv bootargs 'mem=46M console=ttyS1,115200n8 root=/dev/ram0 rw i
nitrd=0x82000000,16M ip=192.168.1.168:192.168.1.12:192.168.1.1:255.255.255.0:::o
ff eth=00:0c:0c:a0:05:5f'
DM368 IPNC :>printenv
bootdelay=4
baudrate=115200
bootfile="uImage"
ethaddr=00:0c:0c:a0:05:5f
dnsip=192.168.1.1
stdin=serial
stdout=serial
stderr=serial
ver=U-Boot 1.3.4 (Apr 20 2010 - 11:42:44) DM368-IPNC-1.0.0
filesize=FF4000
fileaddr=82000000
gatewayip=192.168.1.1
netmask=255.255.255.0
ipaddr=192.168.1.168
serverip=192.168.1.12
bootcmd=nand read 0x82000000 0x700000 0x1000000;nboot 0x80700000 0 0x500000;boot
m 0x80700000
bootargs=mem=46M console=ttyS1,115200n8 root=/dev/ram0 rw initrd=0x82000000,16M
ip=192.168.1.168:192.168.1.12:192.168.1.1:255.255.255.0:::off eth=00:0c:0c:a0:05
:5f
Environment size: 568/131068 bytes
---------------------------------------------------------------------------------------
linux start log
---------------------------------------------------------------------------------------
TI UBL Version: 1.50
Booting Catalog Boot Loader
BootMode = NAND
Starting NAND Copy...
Valid magicnum, 0xA1ACED66, found in block 0x00000008.
DONE
Jumping to entry point at 0x81080000.
DM368_IPNC_UBL_1.0.0
U-Boot 1.3.4 (Apr 20 2010 - 11:42:44) DM368-IPNC-1.0.0
I2C: ready
DRAM: 128 MB
NAND: NAND device: Manufacturer ID: 0xec, Chip ID: 0xf1 (Samsung NAND 128MiB 3,
3V 8-bit)
Bad block table found at page 65472, version 0x01
Bad block table found at page 65408, version 0x01
128 MiB
In: serial
Out: serial
Err: serial
ARM Clock :- 432MHz
DDR Clock :- 340MHz
Ethernet PHY: GENERIC @ 0x01
Hit any key to stop autoboot: 0
NAND read: device 0 offset 0x700000, size 0x1000000
16777216 bytes read: OK
Loading from NAND 128MiB 3,3V 8-bit, offset 0x500000
Image Name: Linux-2.6.18_pro500-davinci_IPNC
Image Type: ARM Linux Kernel Image (uncompressed)
Data Size: 1825844 Bytes = 1.7 MB
Load Address: 80008000
Entry Point: 80008000
## Booting kernel from Legacy Image at 80700000 ...
Image Name: Linux-2.6.18_pro500-davinci_IPNC
Image Type: ARM Linux Kernel Image (uncompressed)
Data Size: 1825844 Bytes = 1.7 MB
Load Address: 80008000
Entry Point: 80008000
Verifying Checksum ... OK
Loading Kernel Image ... OK
OK
Starting kernel ...
Linux version 2.6.18_pro500-davinci_IPNC_DM368_2.0.0 (root@localhost.localdomain
) (gcc version 4.2.0 (MontaVista 4.2.0-16.0.32.0801914 2008-08-30)) #1 PREEMPT W
ed Oct 20 01:19:41 PDT 2010
CPU: ARM926EJ-S [41069265] revision 5 (ARMv5TEJ), cr=00053177
Machine: DaVinci DM368 IPNC
Memory policy: ECC disabled, Data cache writeback
initrd (0x82000000 - 0x83000000) extends beyond physical memory - disabling init
rd
DaVinci DM0365 variant 0x8
PLL0: fixedrate: 24000000, commonrate: 170000000, vpssrate: 340000000
PLL0: vencrate_sd: 75555555, ddrrate: 340000000 mmcsdrate: 48571428
PLL1: armrate: 432000000, voicerate: 20571428, vencrate_hd: 27000000
CPU0: D VIVT write-back cache
CPU0: I cache: 16384 bytes, associativity 4, 32 byte lines, 128 sets
CPU0: D cache: 8192 bytes, associativity 4, 32 byte lines, 64 sets
Built 1 zonelists. Total pages: 11776
Kernel command line: mem=46M console=ttyS1,115200n8 root=/dev/ram0 rw initrd=0x8
2000000,16M ip=192.168.1.168:192.168.1.12:192.168.1.1:255.255.255.0:::off eth=00
:0c:0c:a0:05:5f
TI DaVinci EMAC: kernel boot params Ethernet address: 00:0c:0c:a0:05:5f
PID hash table entries: 256 (order: 8, 1024 bytes)
Clock event device timer0_0 configured with caps set: 07
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: 46MB = 46MB total
Memory: 42652KB available (3129K code, 645K data, 176K init)
Security Framework v1.0.0 initialized
Capability LSM initialized
Mount-cache hash table entries: 512
CPU: Testing write buffer coherency: ok
NET: Registered protocol family 16
DaVinci: 104 gpio irqs
MUX: initialized GPIO20
MUX: initialized I2C_SCL
Generic PHY: Registered new driver
ch0 default output "COMPOSITE", mode "NTSC"
VPBE Encoder Initialized
SCSI subsystem initialized
NET: Registered protocol family 2
IP route cache hash table entries: 512 (order: -1, 2048 bytes)
TCP established hash table entries: 2048 (order: 1, 8192 bytes)
TCP bind hash table entries: 1024 (order: 0, 4096 bytes)
TCP: Hash tables configured (established 2048 bind 1024)
TCP reno registered
VFS: Disk quotas dquot_6.5.1
Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
squashfs: version 3.1 (2006/08/19) Phillip Lougher
JFFS2 version 2.2. (NAND) (C) 2001-2006 Red Hat, Inc.
yaffs Oct 20 2010 01:16:57 Installing.
SGI XFS with no debug enabled
Initializing Cryptographic API
io scheduler noop registered
io scheduler anticipatory registered (default)
LTT : ltt-facilities init
LTT : ltt-facility-core init in kernel
DAVINCI-WDT: DaVinci Watchdog Timer: heartbeat 60 sec
Serial: 8250/16550 driver $Revision: 1.90 $ 2 ports, IRQ sharing disabled
serial8250.0: ttyS0 at MMIO map 0x1c20000 mem 0xfbc20000 (irq = 40) is a 16550A
serial8250.0: ttyS1 at MMIO map 0x1d06000 mem 0xfbd06000 (irq = 41) is a 16550A
RAMDISK driver initialized: 1 RAM disks of 32768K size 1024 blocksize
Davinci EMAC MII Bus: probed
MAC address is 00:0c:0c:a0:05:5f
TI DaVinci EMAC Linux version updated 4.0
Linux video capture interface: v2.00
Trying to register davinci display video device.
layer=c0544800,layer->video_dev=c0544960
Trying to register davinci display video device.
layer=c0544600,layer->video_dev=c0544760
davinci_init:DaVinci V4L2 Display Driver V1.0 loaded
i2c /dev entries driver
nand_davinci nand_davinci.0: Using 4-bit hardware ECC
NAND device: Manufacturer ID: 0xec, Chip ID: 0xf1 (Samsung NAND 128MiB 3,3V 8-bi
t)
Creating 6 MTD partitions on "nand_davinci.0":
0x00000000-0x00300000 : "bootloader"
0x00300000-0x00500000 : "params"
0x00500000-0x00700000 : "kernel"
0x00700000-0x01f00000 : "filesystem"
0x01f00000-0x02100000 : "data1"
0x02100000-0x08000000 : "data2"
nand_davinci nand_davinci.0: hardware revision: 2.3
rtc_davinci_dm365 rtc_davinci_dm365.0: rtc intf: proc
rtc_davinci_dm365 rtc_davinci_dm365.0: rtc intf: dev (254:0)
rtc_davinci_dm365 rtc_davinci_dm365.0: rtc core: registered rtc_davinci_dm365 as
rtc0
Advanced Linux Sound Architecture Driver Version 1.0.12rc1 (Thu Jun 22 13:55:50
2006 UTC).
ASoC version 0.13.1
CQ0093 Voice Codec 0.1
asoc: cq93vc <-> davinci-vcif mapping ok
ALSA device list:
#0: On-chip voice codec (cq93vc)
IPv4 over IPv4 tunneling driver
TCP bic registered
NET: Registered protocol family 1
NET: Registered protocol family 17
rtc_davinci_dm365 rtc_davinci_dm365.0: setting the system clock to 2000-01-03 17
:47:24 (946921644)
Time: timer0_1 clocksource has been installed.
Clock event device timer0_0 configured with caps set: 08
Switched to high resolution mode on CPU 0
IP-Config: Complete:
device=eth0, addr=192.168.1.168, mask=255.255.255.0, gw=192.168.1.1,
host=192.168.1.168, domain=, nis-domain=(none),
bootserver=192.168.1.12, rootserver=192.168.1.12, rootpath=
yaffs: dev is 1048576 name is "ram0"
yaffs: passed flags ""
yaffs: Attempting MTD mount on 1.0, "ram0"
yaffs: dev is 1048576 name is "ram0"
yaffs: passed flags ""
yaffs: Attempting MTD mount on 1.0, "ram0"
XFS: bad magic number
XFS: SB validate failed
No filesystem could mount root, tried: ext3 ext2 cramfs squashfs msdos vfat yaf
fs yaffs2 xfs
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(1,0)
to compare, I teset the Appro release prebuild images(uImage_ipnc_dm368_2.0.0, cramfsImage_ipnc_dm368_2.0.0), It is OK.
I think It maybe may image size don't match IPNC368 hardware nand and sdram memory layout, but I don't know how to resolve this problem. I don't know how and where to get the IPNC368's hardware memory layout and software use arrange(such as uboot, kernel, roofs, /dev/mtd*,....), who can tell these ?
