diff options
Diffstat (limited to 'arch/powerpc/boot/util.S')
-rw-r--r-- | arch/powerpc/boot/util.S | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/powerpc/boot/util.S b/arch/powerpc/boot/util.S index 427ddfc..6636b1d 100644 --- a/arch/powerpc/boot/util.S +++ b/arch/powerpc/boot/util.S @@ -71,18 +71,32 @@ udelay: add r4,r4,r5 addi r4,r4,-1 divw r4,r4,r5 /* BUS ticks */ +#ifdef CONFIG_8xx 1: mftbu r5 mftb r6 mftbu r7 +#else +1: mfspr r5, SPRN_TBRU + mfspr r6, SPRN_TBRL + mfspr r7, SPRN_TBRU +#endif cmpw 0,r5,r7 bne 1b /* Get [synced] base time */ addc r9,r6,r4 /* Compute end time */ addze r8,r5 +#ifdef CONFIG_8xx 2: mftbu r5 +#else +2: mfspr r5, SPRN_TBRU +#endif cmpw 0,r5,r8 blt 2b bgt 3f +#ifdef CONFIG_8xx mftb r6 +#else + mfspr r6, SPRN_TBRL +#endif cmpw 0,r6,r9 blt 2b 3: blr |