+#ifdef CONFIG_PARISC64
+#define is_pdc_pat() (PDC_TYPE_PAT == pdc_type)
+extern int pdc_pat_get_irt_size(unsigned long *num_entries, unsigned long cell_num);
+extern int pdc_pat_get_irt(void *r_addr, unsigned long cell_num);
+#else /* ! CONFIG_PARISC64 */
+/* No PAT support for 32-bit kernels...sorry */
+#define is_pdc_pat() (0)
+#define pdc_pat_get_irt_size(num_entries, cell_numn) PDC_BAD_PROC
+#define pdc_pat_get_irt(r_addr, cell_num) PDC_BAD_PROC
+#endif /* ! CONFIG_PARISC64 */
+
+
+struct pdc_pat_cell_num {
+ unsigned long cell_num;
+ unsigned long cell_loc;
+};
+
+struct pdc_pat_cpu_num {
+ unsigned long cpu_num;
+ unsigned long cpu_loc;
+};
+
+struct pdc_pat_pd_addr_map_entry {
+ unsigned char entry_type; /* 1 = Memory Descriptor Entry Type */
+ unsigned char reserve1[5];
+ unsigned char memory_type;
+ unsigned char memory_usage;
+ unsigned long paddr;
+ unsigned int pages; /* Length in 4K pages */
+ unsigned int reserve2;
+ unsigned long cell_map;
+};
+
+/********************************************************************
+* PDC_PAT_CELL[Return Cell Module] memaddr[0] conf_base_addr
+* ----------------------------------------------------------
+* Bit 0 to 51 - conf_base_addr
+* Bit 52 to 62 - reserved
+* Bit 63 - endianess bit
+********************************************************************/
+#define PAT_GET_CBA(value) ((value) & 0xfffffffffffff000UL)
+
+/********************************************************************
+* PDC_PAT_CELL[Return Cell Module] memaddr[1] mod_info
+* ----------------------------------------------------
+* Bit 0 to 7 - entity type
+* 0 = central agent, 1 = processor,
+* 2 = memory controller, 3 = system bus adapter,
+* 4 = local bus adapter, 5 = processor bus converter,
+* 6 = crossbar fabric connect, 7 = fabric interconnect,
+* 8 to 254 reserved, 255 = unknown.
+* Bit 8 to 15 - DVI
+* Bit 16 to 23 - IOC functions
+* Bit 24 to 39 - reserved
+* Bit 40 to 63 - mod_pages
+* number of 4K pages a module occupies starting at conf_base_addr
+********************************************************************/
+#define PAT_GET_ENTITY(value) (((value) >> 56) & 0xffUL)
+#define PAT_GET_DVI(value) (((value) >> 48) & 0xffUL)
+#define PAT_GET_IOC(value) (((value) >> 40) & 0xffUL)
+#define PAT_GET_MOD_PAGES(value)(((value) & 0xffffffUL)
+
+