+ /* If not a mac, try to figure out if it's an IBM pSeries or any other
+ * PAPR compliant platform. We assume it is if :
+ * - /device_type is "chrp" (please, do NOT use that for future
+ * non-IBM designs !
+ * - it has /rtas
+ */
+ len = prom_getprop(_prom->root, "device_type",
+ compat, sizeof(compat)-1);
+ if (len <= 0)
+ return PLATFORM_GENERIC;
+ if (strncmp(compat, RELOC("chrp"), 4))
+ return PLATFORM_GENERIC;
+