RES: [Problem] linux 2.6.14 kernel hang up after the uImage uncompressedsuccessfully

[Sugeno, Otavio Isamu]

Hi.
I suggest you check the bd_info structure, if they are the same at u-boot and linux kernel. 
See also the link below, it is always a good source to solve problems:
 
http://www.denx.de/wiki/bin/view/DULG/LinuxHangsAfterUncompressingKernel
 
If it is the bd_info is ok, so probably your problem is with some configuration in you board or something that it is not working properly.
Try to compile a linux kernel only with basic features that you need, for example, serial and ethernet and check what happens.
 
 
Otavio I. Sugeno
Information & Communication
Com EN PSY DA
Phone: +55 41 341-5883
Fax: +55 41 341-5594
email: otavio.sugeno at siemens.com
Siemens Brasil 2005 * 100 ANOS
 
 

________________________________

De: linuxppc-embedded-bounces at ozlabs.org [mailto:linuxppc-embedded-bounces at ozlabs.org] Em nome de Jonathan Qiang
Enviada em: terça-feira, 10 de janeiro de 2006 01:06
Para: linuxppc-embedded at ozlabs.org
Assunto: [Problem] linux 2.6.14 kernel hang up after the uImage uncompressedsuccessfully


Hi,
 
I am doing booting linux kernel 2.6.14.5 from kernel.org on a kind of embedded ppc board, where the chip mpc8272 has been settled.
But  after u-boot(1.1.4) finished booting itself and uncompressed the uImage(2.6.14.5 based). the kernel can not boot
Successfully. It stop somewhere. the script is below: 
 
 
U-Boot 1.1.4 (Jan  3 2006 - 15:00:41)
 
MPC8272 Reset Status: Check Stop, External Soft, External Hard
 
MPC8272 Clock Configuration
 - Bus-to-Core Mult 5x, VCO Div 2, 60x Bus Freq  20-60 , Core Freq 100-300
 - dfbrg 1, corecnf 0x1b, busdf 7, cpmdf 1, plldf 0, pllmf 7
 - vco_out  528000000, scc_clk  132000000, brg_clk   33000000
 - cpu_clk  330000000, cpm_clk  264000000, bus_clk   66000000
 - pci_clk   22000000
 
CPU:   MPC8272 (HiP7 Rev 14, Mask 1.0 1K50M) at 330 MHz
I2C:   ready
DRAM:  SDRAM configuration:
        Refresh rate = 47, CAS latency = 3, Using Page Based Interleave
        Total size: 32 MB
FLASH Dectected: FLASH MFP, new id is 0x0089, Device ID is 0x8922
32 MB
In:    serial
Out:   serial
Err:   serial
Ethos version: ac21 (DEVID:ac2, DEVVER:1, MFGVER: 1)
CFG_CMXFCR_VALUE=0x00370000, CFG_CMXFCR_MASK=0x007F0000
Net:   FCC2 ETHERNET
Hit any key to stop autoboot:  0
Using FCC2 ETHERNET device
## Booting image at 00200000 ...
   Image Name:   Linux-2.6.14.5
   Image Type:   PowerPC Linux Kernel Image (gzip compressed)
   Data Size:    750080 Bytes = 732.5 kB
   Load Address: 00000000
   Entry Point:  00000000
   Verifying Checksum ... OK
   Uncompressing Kernel Image ... OK 
 
Then I have tried to use BDI2000 to debug the kernel, It seems that the kernel can passed on console_init function. But still no message came out even printk(KERN_NOTICE);  and printk(linux_banner); 
 
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