- switch(e500_ratio) {
- case 0x04:
- sysInfo->freqProcessor = 2*sysInfo->freqSystemBus;
- break;
- case 0x05:
- sysInfo->freqProcessor = 5*sysInfo->freqSystemBus/2;
- break;
- case 0x06:
- sysInfo->freqProcessor = 3*sysInfo->freqSystemBus;
- break;
- case 0x07:
- sysInfo->freqProcessor = 7*sysInfo->freqSystemBus/2;
- break;
- default:
- sysInfo->freqProcessor = 0;
- break;
- }
+
+ /* Divide before multiply to avoid integer
+ * overflow for processor speeds above 2GHz */
+ half_freqSystemBus = sysInfo->freqSystemBus/2;
+ sysInfo->freqProcessor = e500_ratio*half_freqSystemBus;