diff --git a/arch/parisc/include/asm/pdcpat.h b/arch/parisc/include/asm/pdcpat.h
index 7bf63fb874556992d90d4261410b7c377bb402ec..bce9ee1c1c9964de8c469c6509cb145efbc81aba 100644
--- a/arch/parisc/include/asm/pdcpat.h
+++ b/arch/parisc/include/asm/pdcpat.h
@@ -173,6 +173,16 @@
 /* PDC PAT PD */
 #define PDC_PAT_PD		74L         /* Protection Domain Info   */
 #define PDC_PAT_PD_GET_ADDR_MAP		0L  /* Get Address Map          */
+#define PDC_PAT_PD_GET_PDC_INTERF_REV	1L  /* Get PDC Interface Revisions */
+
+#define PDC_PAT_CAPABILITY_BIT_PDC_SERIALIZE	(1UL << 0)
+#define PDC_PAT_CAPABILITY_BIT_PDC_POLLING	(1UL << 1)
+#define PDC_PAT_CAPABILITY_BIT_PDC_NBC		(1UL << 2) /* non-blocking calls */
+#define PDC_PAT_CAPABILITY_BIT_PDC_UFO		(1UL << 3)
+#define PDC_PAT_CAPABILITY_BIT_PDC_IODC_32	(1UL << 4)
+#define PDC_PAT_CAPABILITY_BIT_PDC_IODC_64	(1UL << 5)
+#define PDC_PAT_CAPABILITY_BIT_PDC_HPMC_RENDEZ	(1UL << 6)
+#define PDC_PAT_CAPABILITY_BIT_SIMULTANEOUS_PTLB (1UL << 7)
 
 /* PDC_PAT_PD_GET_ADDR_MAP entry types */
 #define PAT_MEMORY_DESCRIPTOR		1   
@@ -305,18 +315,29 @@ struct pdc_pat_pd_addr_map_entry {
 ** PDC_PAT_CELL_GET_INFO return block
 */
 typedef struct pdc_pat_cell_info_rtn_block {
-	unsigned long cpu_info;
-	unsigned long cell_info;
-	unsigned long cell_location;
-	unsigned long reo_location;
-	unsigned long mem_size;
-	unsigned long dimm_status;
 	unsigned long pdc_rev;
-	unsigned long fabric_info0;
-	unsigned long fabric_info1;
-	unsigned long fabric_info2;
-	unsigned long fabric_info3;
-	unsigned long reserved[21];
+	unsigned long capabilities; /* see PDC_PAT_CAPABILITY_BIT_* */
+	unsigned long reserved0[2];
+	unsigned long cell_info;	/* 0x20 */
+	unsigned long cell_phys_location;
+	unsigned long cpu_info;
+	unsigned long cpu_speed;
+	unsigned long io_chassis_phys_location;
+	unsigned long cell_io_information;
+	unsigned long reserved1[2];
+	unsigned long io_slot_info_size; /* 0x60 */
+	struct {
+		unsigned long header, info0, info1;
+		unsigned long phys_loc, hw_path;
+	} io_slot[16];
+	unsigned long cell_mem_size;	/* 0x2e8 */
+	unsigned long cell_dimm_info_size;
+	unsigned long dimm_info[16];
+	unsigned long fabric_info_size;	/* 0x3f8 */
+	struct {			/* 0x380 */
+		unsigned long fabric_info_xbc_port;
+		unsigned long rc_attached_to_xbc;
+	} xbc[8*4];
 } pdc_pat_cell_info_rtn_block_t;
 
 
@@ -334,12 +355,19 @@ typedef struct pdc_pat_cell_mod_maddr_block pdc_pat_cell_mod_maddr_block_t;
 
 extern int pdc_pat_chassis_send_log(unsigned long status, unsigned long data);
 extern int pdc_pat_cell_get_number(struct pdc_pat_cell_num *cell_info);
-extern int pdc_pat_cell_module(unsigned long *actcnt, unsigned long ploc, unsigned long mod, unsigned long view_type, void *mem_addr);
+extern int pdc_pat_cell_info(struct pdc_pat_cell_info_rtn_block *info,
+		unsigned long *actcnt, unsigned long offset,
+		unsigned long cell_number);
+extern int pdc_pat_cell_module(unsigned long *actcnt, unsigned long ploc,
+		unsigned long mod, unsigned long view_type, void *mem_addr);
 extern int pdc_pat_cell_num_to_loc(void *, unsigned long);
 
 extern int pdc_pat_cpu_get_number(struct pdc_pat_cpu_num *cpu_info, unsigned long hpa);
 
-extern int pdc_pat_pd_get_addr_map(unsigned long *actual_len, void *mem_addr, unsigned long count, unsigned long offset);
+extern int pdc_pat_pd_get_addr_map(unsigned long *actual_len, void *mem_addr,
+		unsigned long count, unsigned long offset);
+extern int pdc_pat_pd_get_pdc_revisions(unsigned long *legacy_rev,
+		unsigned long *pat_rev, unsigned long *pdc_cap);
 
 extern int pdc_pat_io_pci_cfg_read(unsigned long pci_addr, int pci_size, u32 *val); 
 extern int pdc_pat_io_pci_cfg_write(unsigned long pci_addr, int pci_size, u32 val); 
diff --git a/arch/parisc/kernel/firmware.c b/arch/parisc/kernel/firmware.c
index 6d471c00c71af12f6a48c4deebb5d260071d5dd3..e6f3b49f2fd7000b48ff20a692981d34993ef55a 100644
--- a/arch/parisc/kernel/firmware.c
+++ b/arch/parisc/kernel/firmware.c
@@ -1325,6 +1325,36 @@ int pdc_pat_cell_module(unsigned long *actcnt, unsigned long ploc, unsigned long
 	return retval;
 }
 
+/**
+ * pdc_pat_cell_info - Retrieve the cell's information.
+ * @info: The pointer to a struct pdc_pat_cell_info_rtn_block.
+ * @actcnt: The number of bytes which should be written to info.
+ * @offset: offset of the structure.
+ * @cell_number: The cell number which should be asked, or -1 for current cell.
+ *
+ * This PDC call returns information about the given cell (or all cells).
+ */
+int pdc_pat_cell_info(struct pdc_pat_cell_info_rtn_block *info,
+		unsigned long *actcnt, unsigned long offset,
+		unsigned long cell_number)
+{
+	int retval;
+	unsigned long flags;
+	struct pdc_pat_cell_info_rtn_block result;
+
+	spin_lock_irqsave(&pdc_lock, flags);
+	retval = mem_pdc_call(PDC_PAT_CELL, PDC_PAT_CELL_GET_INFO,
+			__pa(pdc_result), __pa(&result), *actcnt,
+			offset, cell_number);
+	if (!retval) {
+		*actcnt = pdc_result[0];
+		memcpy(info, &result, *actcnt);
+	}
+	spin_unlock_irqrestore(&pdc_lock, flags);
+
+	return retval;
+}
+
 /**
  * pdc_pat_cpu_get_number - Retrieve the cpu number.
  * @cpu_info: The return buffer.
@@ -1412,6 +1442,33 @@ int pdc_pat_pd_get_addr_map(unsigned long *actual_len, void *mem_addr,
 	return retval;
 }
 
+/**
+ * pdc_pat_pd_get_PDC_interface_revisions - Retrieve PDC interface revisions.
+ * @legacy_rev: The legacy revision.
+ * @pat_rev: The PAT revision.
+ * @pdc_cap: The PDC capabilities.
+ *
+ */
+int pdc_pat_pd_get_pdc_revisions(unsigned long *legacy_rev,
+		unsigned long *pat_rev, unsigned long *pdc_cap)
+{
+	int retval;
+	unsigned long flags;
+
+	spin_lock_irqsave(&pdc_lock, flags);
+	retval = mem_pdc_call(PDC_PAT_PD, PDC_PAT_PD_GET_PDC_INTERF_REV,
+				__pa(pdc_result));
+	if (retval == PDC_OK) {
+		*legacy_rev = pdc_result[0];
+		*pat_rev = pdc_result[1];
+		*pdc_cap = pdc_result[2];
+	}
+	spin_unlock_irqrestore(&pdc_lock, flags);
+
+	return retval;
+}
+
+
 /**
  * pdc_pat_io_pci_cfg_read - Read PCI configuration space.
  * @pci_addr: PCI configuration space address for which the read request is being made.