ok6410移植uboot2012.10一直在Starting kernel

移植的uboot2012.10到ok6410一直在Starting kernel ...重启，但是在kernel_entry(0, machid, r2);前面和后面加一条printf("Using machid 0x%lx from environmentn", machid);就能启动内核不知道是什么原因





U-Boot 2012.10 (Feb 06 2013 - 12:43:10) for s3c6410


CPU:     S3C6400@533MHz
         Fclk = 533MHz, Hclk = 133MHz, Pclk = 66MHz (ASYNC Mode)
Board:   SMDK6400
DRAM:  256 MiB
NAND:  USE HWECC 8BIT
ECC Size:512 ECC Bytes:13
2048 MiB
MMC:   SAMSUNG SD/MMC: 0
*** Warning - bad CRC, using default environment

In:    serial
Out:   serial
Err:   serial
Net:   dm9000
Hit any key to stop autoboot:  0
s3c6410#nand read 0x50008000 0x100000 0x500000

NAND read: device 0 offset 0x100000, size 0x500000
5242880 bytes read: OK
s3c6410#bootm 0x50008000
## Booting kernel from Legacy Image at 50008000 ...
   Image Name:   Linux-3.6.7
   Image Type:   ARM Linux Kernel Image (uncompressed)
   Data Size:    1540056 Bytes = 1.5 MiB
   Load Address: 50008000
   Entry Point:  50008040
   Verifying Checksum ... OK
   XIP Kernel Image ... OK
OK

Starting kernel ...


Starting kernel ...

Using machid 0x65a from environment
Uncompressing Linux... done, booting the kernel.
Booting Linux on physical CPU 0
Linux version 3.6.7 (root@fyyy) (gcc version 4.3.2 (Sourcery G++ Lite 2008q3-72)
) #4 Tue Jan 15 19:59:06 CST 2013
CPU: ARMv6-compatible processor [410fb766] revision 6 (ARMv7), cr=00c5387d
CPU: PIPT / VIPT nonaliasing data cache, VIPT nonaliasing instruction cache
Machine: OK6410
Memory policy: ECC disabled, Data cache writeback
CPU S3C6410 (id 0x36410101)
S3C24XX Clocks, Copyright 2004 Simtec Electronics
camera: no parent clock specified
S3C64XX: PLL settings, A=533000000, M=533000000, E=24000000
S3C64XX: HCLK2=266500000, HCLK=133250000, PCLK=66625000
mout_apll: source is fout_apll (1), rate is 533000000
mout_epll: source is epll (1), rate is 24000000
mout_mpll: source is mpll (1), rate is 533000000
u***-bus-host: source is clk_48m (0), rate is 48000000
audio-bus: source is mout_epll (0), rate is 24000000
audio-bus: source is mout_epll (0), rate is 24000000
audio-bus: source is mout_epll (0), rate is 24000000
irda-bus: source is mout_epll (0), rate is 24000000
camera: no parent clock specified
CPU: found DTCM0 8k @ 00000000, not enabled
CPU: moved DTCM0 8k to fffe8000, enabled
CPU: found DTCM1 8k @ 00000000, not enabled
CPU: moved DTCM1 8k to fffea000, enabled
CPU: found ITCM0 8k @ 00000000, not enabled
CPU: moved ITCM0 8k to fffe0000, enabled
CPU: found ITCM1 8k @ 00000000, not enabled
CPU: moved ITCM1 8k to fffe2000, enabled
Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 65024
Kernel command line: root=/dev/mtdblock2 rootfstype=cramfs console=ttySAC0,11520
0
PID hash table entries: 1024 (order: 0, 4096 bytes)
Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
Memory: 256MB = 256MB total
Memory: 256616k/256616k available, 5528k reserved, 0K highmem
Virtual kernel memory layout:
    vector  : 0xffff0000 - 0xffff1000   (   4 kB)
    DTCM    : 0xfffe8000 - 0xfffec000   (  16 kB)
    ITCM    : 0xfffe0000 - 0xfffe4000   (  16 kB)
    fixmap  : 0xfff00000 - 0xfffe0000   ( 896 kB)
    vmalloc : 0xd0800000 - 0xff000000   ( 744 MB)
    lowmem  : 0xc0000000 - 0xd0000000   ( 256 MB)
    modules : 0xbf000000 - 0xc0000000   (  16 MB)
      .text : 0xc0008000 - 0xc02a5d94   (2680 kB)
      .init : 0xc02a6000 - 0xc02c243c   ( 114 kB)
      .data : 0xc02c4000 - 0xc02f17e0   ( 182 kB)
       .bss : 0xc02f2024 - 0xc0323140   ( 197 kB)
SLUB: Genslabs=13, HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
NR_IRQS:246
VIC @f6000000: id 0x00041192, vendor 0x41
VIC @f6010000: id 0x00041192, vendor 0x41
sched_clock: 32 bits at 100 Hz, resolution 10000000ns, wraps every 4294967286ms
Console: colour dummy device 80x30
Calibrating delay loop... 353.89 BogoMIPS (lpj=1769472)
pid_max: default: 32768 minimum: 301
Mount-cache hash table entries: 512
CPU: Testing write buffer coherency: ok
Setting up static identity map for 0x501f9290 - 0x501f92ec
DMA: preallocated 256 KiB pool for atomic coherent allocations
OK6410: Option string ok6410=0
OK6410: selected LCD display is 480x272
s3c64xx_dma_init: Registering DMA channels
PL080: IRQ 73, at d0846000, channels 0..8
PL080: IRQ 74, at d0848000, channels 8..16
S3C6410: Initialising architecture
bio: create slab at 0
u***core: registered new interface driver u***fs
u***core: registered new interface driver hub
u***core: registered new device driver u***
ROMFS MTD (C) 2007 Red Hat, Inc.
io scheduler noop registered
io scheduler deadline registered
io scheduler cfq registered (default)
start plist test
end plist test
s3c-fb s3c-fb: window 0: fb
Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
s3c6400-uart.0: ttySAC0 at MMIO 0x7f005000 (irq = 69) is a S3C6400/10
console [ttySAC0] enabled
s3c6400-uart.1: ttySAC1 at MMIO 0x7f005400 (irq = 70) is a S3C6400/10
s3c6400-uart.2: ttySAC2 at MMIO 0x7f005800 (irq = 71) is a S3C6400/10
s3c6400-uart.3: ttySAC3 at MMIO 0x7f005c00 (irq = 72) is a S3C6400/10
brd: module loaded
loop: module loaded
S3C NAND Driver, (c) 2008 Samsung Electronics
NandFlash is busying.........
forlinx nandflash dev_id=d5
forlinx****Nandflash:ChipType= MLC  ChipName=samsung-K9GAG08U0D************
S3C NAND Driver is using hardware ECC.
NAND device: Manufacturer ID: 0xec, Chip ID: 0xd5 (Samsung NAND 2GiB 3,3V 8-bit)
, page size: 4096, OOB size: 218
Driver must set ecc.strength when using hardware ECC
Creating 4 MTD partitions on "NAND 2GiB 3,3V 8-bit":
0x000000000000-0x000000200000 : "Bootloader"
0x000000200000-0x000000700000 : "Kernel"
0x000000700000-0x00000cf00000 : "File System"
0x00000cf00000-0x000080000000 : "User"
ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
s3c2410-ohci s3c2410-ohci: S3C24XX OHCI
s3c2410-ohci s3c2410-ohci: new USB bus registered, assigned bus number 1
s3c2410-ohci s3c2410-ohci: irq 79, io mem 0x74300000
s3c2410-ohci s3c2410-ohci: init err (00000000 0000)
s3c2410-ohci s3c2410-ohci: can't start s3c24xx
s3c2410-ohci s3c2410-ohci: startup error -75
s3c2410-ohci s3c2410-ohci: USB bus 1 deregistered
s3c2410-ohci: probe of s3c2410-ohci failed with error -75
mousedev: PS/2 mouse device common for all mice
i2c /dev entries driver
sdhci: Secure Digital Host Controller Interface driver
sdhci: Copyright(c) Pierre Ossman
s3c-sdhci s3c-sdhci.0: clock source 0: mmc_busclk.0 (133250000 Hz)
s3c-sdhci s3c-sdhci.0: clock source 2: mmc_busclk.2 (24000000 Hz)
mmc0: SDHCI controller on samsung-hsmmc [s3c-sdhci.0] using ADMA
s3c-sdhci s3c-sdhci.1: clock source 0: mmc_busclk.0 (133250000 Hz)
s3c-sdhci s3c-sdhci.1: clock source 2: mmc_busclk.2 (24000000 Hz)
mmc0: mmc_rescan_try_freq: trying to init card at 400000 Hz
mmc0: mmc_rescan_try_freq: trying to init card at 300000 Hz
mmc1: SDHCI controller on samsung-hsmmc [s3c-sdhci.1] using ADMA
mmc0: mmc_rescan_try_freq: trying to init card at 200000 Hz
u***core: registered new interface driver u***hid
u***hid: USB HID core driver
VFP support v0.3: implementor 41 architecture 1 part 20 variant b rev 5
drivers/rtc/hctosys.c: unable to open rtc device (rtc0)
List of all partitions:
1f00            2048 mtdblock0  (driver?)
1f01            5120 mtdblock1  (driver?)
1f02          204800 mtdblock2  (driver?)
1f03         1885184 mtdblock3  (driver?)
No filesystem could mount root, tried:  cramfs
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(31,2)
[] (unwind_backtrace+0x0/0xf8) from [] (panic+0x90/0x1f8)
[] (panic+0x90/0x1f8) from [] (mount_block_root+0x254/0x2b8)

[] (mount_block_root+0x254/0x2b8) from [] (prepare_namespace
+0x10c/0x1cc)
[] (prepare_namespace+0x10c/0x1cc) from [] (kernel_init+0x16
8/0x1bc)
[] (kernel_init+0x168/0x1bc) from [] (kernel_thread_exit+0x0
/0x8)

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