iMX31 boot problem

[BENN]

Hi,
I have problem with linux booting on board iMX31. I'm using LTIB pack from freescale webpage. Installation and compilation the pack was without problem. After downloading is printed "Uncompressing Linux.......done, booting the kernel." and its all. I trayed both version LTIB imx31ads_20060709 and imx31ads_20070128 and effect is same.

I find that R1 (there is stored machine number) is wasted in macro ENABLE_L2_CACHE in file "proc-v6.S". Next problem is in MMU enabling.

I tested this linux on board IMX31ADS, now I have LITEKIT with patch for this kit.

I must doing something wrong. Patches and config file using from LTIB. Only for LITEKIT I disable USB, video, sound, network etc in config and enable support for LITEKIT.

Who has this kit and linux booting without problem, please write here your experience.

Thanks BENN.

[RAMnAG]

we do have same problem . its bcos it is unable mount rootfs. without giving CMD configuration at redboot prompt like

redboot>exec -b  0x.... -l 0x.... -c  "noinitrd root=/dev/root rootfstype=jffs2......"

 give these detalis in kernel default config file at CMD_CONFIG and build the kernel then it will be able mount rootfs.

best of luck

[mvniekerk]

Please let me know if you've got this working. I also traced the assembly code to __enable_mmu in the Linux kernel startup and the machine just dies after that (also an iMX31ADS-based board).

[IMX31]

Hello Benn,

I am also facing same problem, we did everything, still its failing in custom board.

For low frequency its getting un-compressed. But memory test is PASS for 133MHz.

We are worried, then why Uncompress at 133Mhz is failing.

thanks & regards
ragh

[CrasyCat]

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