On Mon, 14 Mar 2011 16:25:54 -0500 Kumar Gala <ga...@kernel.crashing.org> wrote:
> > On Mar 14, 2011, at 1:09 PM, Scott Wood wrote: > > > On Sat, 12 Mar 2011 16:56:09 -0600 > > Kumar Gala <ga...@kernel.crashing.org> wrote: > > > >> > >> On Mar 3, 2011, at 8:59 AM, Jimi Xenidis wrote: > >> > >>> I was surprised to find myself at the decrement interrupt when running my > >>> new stuff. > >>> That is against ePAPR, right? > >>> Does u-boot at least make sure that the DEC is set to some large value > >>> before it leaps at me? > >>> I don't mind forcing EE=0 but I'd like to make sure I make it that far > >>> into the code :) > >>> -JX > >> > >> Jimi, > >> > >> Not sure how or why you are seeing this, but u-boot should disable > >> interrupts in common/cmd_bootm.c > >> > >> Look for disable_interrupts() -> this should set MSR[EE] = 0. > > > > What about the rest of MSR -- ME/CE/DE? > > I dont think we ever turn on CE in u-boot, DE would only get set in some > weird external debugger build. >From arch/powerpc/cpu/mpc85xx/start.S: /* switch back to AS = 0 */ lis r3,(MSR_CE|MSR_ME|MSR_DE)@h ori r3,r3,(MSR_CE|MSR_ME|MSR_DE)@l mtmsr r3 isync bl cpu_init_f bl board_init_f isync -Scott _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot