Hi List,
I am not able to attach the files. But they haven't been changed from the original versions so hopefully, I still can be helped!
BR; Naresh
---------- Forwarded message ---------- From: u-boot-owner@lists.denx.de Date: Wed, Oct 13, 2010 at 11:40 AM Subject: Help with replacing u-boot and kernel on a released HW... To: nareshtechs@gmail.com
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---------- Forwarded message ---------- From: Naresh Mehta nareshtechs@gmail.com To: u-boot@lists.denx.de Date: Wed, 13 Oct 2010 11:40:43 +0200 Subject: Help with replacing u-boot and kernel on a released HW... Hi List,
I have a monta-vista linux based smartphone (Garmin Asus G60). It runs u-boot and kernel 2.6.21. Since it is a released HW and from the u-boot code, I can see that there are no ways to stop the existing u-boot to boot the default kernel installed. There is a possibility to do a region update from the memory card on boot-up. Looking at the code, there is also a possibility to do a recover region i.e. according to the comment it says, download Garmin region from USB. Both the above methods basically run the same command "tffs_load 3 0x80007FC0;bootm 0x80007FC0". The tffs_load is attached in the email.
I have tried to put a bootable .bin file with a modified u-boot and kernel but it does not seem to get loaded. I have tried loading the kernel at 0x80007FC0, 0x80000000 and 0x0. I am out of ideas on how I could get the modified u-boot and kernel on the device. Any pointers would be greatly appreciated.
Just to be clear on how I create the bootable .bin: - Compile u-boot for montana board (used for this device) - Compile the kernel with montana_dev_defconfig and some kernel debug options enabled - Generate a bootable image from vmlinux with different load address configurations as described above - cat u-boot.bin and the bootable image to form a .bin file - Place the file on the sdcard and re-boot.
I am now out of ideas. BTW, the HW consists of OMAP2430 and associated components with an Ericsson U360 modem. I am attaching the montana.h file for further reference which will give some overview of the G60 HW. My final goal is to load Android on this device but for that I need new u-boot and modified kernel to get loaded first.
Cheers,
--
BR; Naresh
visit me at: http://www.naresh.se/