André Schwarz <[email protected]> wrote on 2010/10/22 21:25:34: > > On Fri, 2010-10-22 at 16:56 +0200, Joakim Tjernlund wrote: > > André Schwarz <[email protected]> wrote on 2010/10/22 > > 16:30:49: > > > > > > Joakim, > > > > > > > > > your commit d1e0b10accdbac2e0a8b2cbf7c589645442f87c5 renders my MPC8377 > > > based board unbootable. > > > > > > > > > Two weeks ago I got this after power on : > > > > > > > > > U-Boot 2010.09-00486-gfda6278-dirty (Oct 22 2010 - 16:19:20) MPC83XX > > > > > > Reset Status: > > > > > > CPU: e300c4, MPC8377, Rev: 2.1 at 533.333 MHz, CSB: 266.667 MHz > > > Board: Matrix Vision MergerBox > > > .... > > > > > > > > > > > > After rebasing my work to current master completely silences the serial > > > line and the CPU doesn't come up. Bisection leads to your patch. > > > > > > reverting it makes the board work again. > > > > > > Any ideas ? > > > > Yes, the problem is else where. This code runs after relocation to RAM. > > I had a similar problem and the reason was the patch: > > "powerpc: Remove warm reset entry point" > > hmm, ok. > But what's the root cause ?
Not sure, I think my board still use 0x110 as boot entry > > > > > Try sticking 4 nop's right after _start: > > in start.S > > > > ... and why should this work ? > Has this something to do with trial and error ? yes, see above. > > Can you shed some light on this ? not much, can you? Did the extra nop's make any difference? Jocke _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
