[U-Boot] Firmware upgrade possibilites technikes in uboot.

2010-08-05 Thread Lasse Skov
Hi Im working on a target where I use the u-boot and think a little about good techniques for upgrade the BSP on the target and to make it fails saft. Is ther any helpeful things I can use in uboot for this.? My plan is to split my flash I 4 levels. High Filesystem BSP_2

[U-Boot] Disable cache on PPC

2010-06-16 Thread Lasse Skov
Hi I have a build for my mpc8377 ppc prototype board and i will try to disable the cache before running my BSP on my target. Uboot running in cache so i can't not just disable cache. So my question is how to disable cache for the target here? Or should i instead disable it when booting my BSP?

[U-Boot] Problem with programming UPM

2010-02-18 Thread Lasse Skov
Hey I had tried to program the UPM on my MPC8377 cpu. When I run the upmconfig function in the /cpu/mpc83xx/cpu.c And when I try to do the dummy write then the target is resetting. *dummy = 0; /* Write the value to memory and increment MAD */ Why this happens, anyone had an idea? /Lasse

[U-Boot] Problem with disable the datacache

2009-12-10 Thread Lasse Skov
Hi I have a problem with disabling the data cache on my PPC. The target family is mpc83xx and i had tried to chance something in the start.S file for the ppc. But if i instead of the asm function dcache_enable use dcache_disable my target newer get running. So if anyone can help with

[U-Boot] Problem with U-Boot with running in RAM

2009-12-02 Thread Lasse Skov
Hi I have a problem with running the U-Boot on my own board. The target porcesser is a MPC8377E with DDR2 ram. The problem is that the U-Boot has a problem when it try to rellocate itself to RAM. I know that this could be some timing settings for the SDRAM and the RAM controller. But the thing

[U-Boot] Problem with SDRAM on my board.

2009-11-23 Thread Lasse Skov
it try to cmp (from the start.s file) the copyed data to the ram. Anyone had any idea ther maybe could help me a little bit? /Lasse Skov ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot