*decrementer_count = get_tbclk() / CONFIG_SYS_HZ;
/* PIE is same as DIE, dec interrupt enable */
- mtspr(SPRN_TCR, TCR_PIE);
+ mtspr(SPRN_TCR, mfspr(SPRN_TCR) | TCR_PIE);
#ifdef CONFIG_INTERRUPTS
pic->iivpr1 = 0x810001; /* 50220 enable ecm interrupts */