sb_id_hi = bcm43xx_read32(bcm, BCM43xx_CIR_SB_ID_HI);
 
                /* extract core_id, core_rev, core_vendor */
-               core_id = (sb_id_hi & 0xFFF0) >> 4;
-               core_rev = (sb_id_hi & 0xF);
+               core_id = (sb_id_hi & 0x8FF0) >> 4;
+               core_rev = ((sb_id_hi & 0xF) | ((sb_id_hi & 0x7000) >> 8));
                core_vendor = (sb_id_hi & 0xFFFF0000) >> 16;
 
                dprintk(KERN_INFO PFX "Core %d: ID 0x%x, rev 0x%x, vendor 0x%x\n",
                sbimconfiglow = bcm43xx_read32(bcm, BCM43xx_CIR_SBIMCONFIGLOW);
                sbimconfiglow &= ~ BCM43xx_SBIMCONFIGLOW_REQUEST_TOUT_MASK;
                sbimconfiglow &= ~ BCM43xx_SBIMCONFIGLOW_SERVICE_TOUT_MASK;
-               sbimconfiglow |= 0x32;
+               if (bcm->bustype == BCM43xx_BUSTYPE_PCI)
+                       sbimconfiglow |= 0x32;
+               else
+                       sbimconfiglow |= 0x53;
                bcm43xx_write32(bcm, BCM43xx_CIR_SBIMCONFIGLOW, sbimconfiglow);
        }
 
        if (err)
                goto out;
 
-       if (bcm->current_core->rev < 6 ||
+       if (bcm->current_core->rev < 6 &&
                bcm->current_core->id == BCM43xx_COREID_PCI) {
                value = bcm43xx_read32(bcm, BCM43xx_CIR_SBINTVEC);
                value |= (1 << backplane_flag_nr);