Dear Linus Walleij, In message <1310598267-9711-1-git-send-email-linus.wall...@linaro.org> you wrote: > The Integrator AP with CM920T (ARM920T) does not boot without > D-cache disabled throughout, the actual problem comes at "bootm", > at this point U-Boot tries to disable D-cache which doesn't work > on this machine for some reason. The result is usually an > illegal instruction trap or similar as the PC goes astray in > memory and crash something like this: > > undefined instruction > pc : [<01ff1c44>] lr : [<01fd8430>] > sp : 01fa7e08 ip : 01fa7dc0 fp : 00000000 > r10: 01fef318 r9 : 00000015 r8 : 01fa7f70 > r7 : 00000015 r6 : 00008000 r5 : 01fa7fe8 r4 : 00000000 > r3 : 01fef380 r2 : 01fef8b0 r1 : ffffffff r0 : fffffffe > Flags: Nzcv IRQs off FIQs off Mode SVC_32 > Resetting CPU ... > > Disabling D-cache brings the board support to a working state that > can boot the Linux kernel. > > Signed-off-by: Linus Walleij <linus.wall...@linaro.org> > --- > include/configs/integratorap.h | 1 + > 1 files changed, 1 insertions(+), 0 deletions(-)
Sorry, but again I have to point out that I really dislike papering over existing bugs. If the disable D-cache in bootm does not work, _this_ should be analyzed and fixed instead of globally disabling he data cache. NAK. Best regards, Wolfgang Denk -- DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: w...@denx.de In accord with UNIX philosophy, Perl gives you enough rope to hang yourself. - L. Wall & R. L. Schwartz, _Programming Perl_ _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
