sparc32: More memory probing consolidation.
[pandora-kernel.git] / arch / sparc / mm / fault.c
index f25876a..abd5079 100644 (file)
@@ -47,64 +47,15 @@ int vac_size, vac_linesize, vac_do_hw_vac_flushes;
 int vac_entries_per_context, vac_entries_per_segment;
 int vac_entries_per_page;
 
-/* Nice, simple, prom library does all the sweating for us. ;) */
-int prom_probe_memory (void)
+/* Return how much physical memory we have.  */
+unsigned long probe_memory(void)
 {
-       register struct linux_mlist_v0 *mlist;
-       register unsigned long bytes, base_paddr, tally;
-       register int i;
-
-       i = 0;
-       mlist= prom_meminfo();
-       bytes = tally = mlist->num_bytes;
-       base_paddr = (unsigned long) mlist->start_adr;
-  
-       sp_banks[0].base_addr = base_paddr;
-       sp_banks[0].num_bytes = bytes;
-
-       while (mlist->theres_more != (void *) 0){
-               i++;
-               mlist = mlist->theres_more;
-               bytes = mlist->num_bytes;
-               tally += bytes;
-               if (i > SPARC_PHYS_BANKS-1) {
-                       printk ("The machine has more banks than "
-                               "this kernel can support\n"
-                               "Increase the SPARC_PHYS_BANKS "
-                               "setting (currently %d)\n",
-                               SPARC_PHYS_BANKS);
-                       i = SPARC_PHYS_BANKS-1;
-                       break;
-               }
-    
-               sp_banks[i].base_addr = (unsigned long) mlist->start_adr;
-               sp_banks[i].num_bytes = mlist->num_bytes;
-       }
-
-       i++;
-       sp_banks[i].base_addr = 0xdeadbeef;
-       sp_banks[i].num_bytes = 0;
-
-       /* Now mask all bank sizes on a page boundary, it is all we can
-        * use anyways.
-        */
-       for(i=0; sp_banks[i].num_bytes != 0; i++)
-               sp_banks[i].num_bytes &= PAGE_MASK;
-
-       return tally;
-}
-
-/* Traverse the memory lists in the prom to see how much physical we
- * have.
- */
-unsigned long
-probe_memory(void)
-{
-       int total;
+       unsigned long total = 0;
+       int i;
 
-       total = prom_probe_memory();
+       for (i = 0; sp_banks[i].num_bytes; i++)
+               total += sp_banks[i].num_bytes;
 
-       /* Oh man, much nicer, keep the dirt in promlib. */
        return total;
 }