1 files changed, 57 insertions, 0 deletions

diff --git a/arch/parisc/kernel/firmware.c b/arch/parisc/kernel/firmware.c
index 6d471c00c71a..e6f3b49f2fd7 100644
--- a/arch/parisc/kernel/firmware.c
+++ b/arch/parisc/kernel/firmware.c
@@ -1326,6 +1326,36 @@ int pdc_pat_cell_module(unsigned long *actcnt, unsigned long ploc, unsigned long
 }
 
 /**
+ * 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.
  * @hpa: The Hard Physical Address of the CPU.
@@ -1413,6 +1443,33 @@ int pdc_pat_pd_get_addr_map(unsigned long *actual_len, void *mem_addr,
 }
 
 /**
+ * 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.
  * @pci_size: Size of read in bytes. Valid values are 1, 2, and 4.