1 files changed, 48 insertions, 0 deletions

diff --git a/arch/sparc/kernel/psycho_common.h b/arch/sparc/kernel/psycho_common.h
new file mode 100644
index 000000000000..092c278ef28d
--- /dev/null
+++ b/arch/sparc/kernel/psycho_common.h
@@ -0,0 +1,48 @@
+#ifndef _PSYCHO_COMMON_H
+#define _PSYCHO_COMMON_H
+
+/* U2P Programmer's Manual, page 13-55, configuration space
+ * address format:
+ * 
+ *  32             24 23 16 15    11 10       8 7   2  1 0
+ * ---------------------------------------------------------
+ * |0 0 0 0 0 0 0 0 1| bus | device | function | reg | 0 0 |
+ * ---------------------------------------------------------
+ */
+#define PSYCHO_CONFIG_BASE(PBM) \
+        ((PBM)->config_space | (1UL << 24))
+#define PSYCHO_CONFIG_ENCODE(BUS, DEVFN, REG)   \
+        (((unsigned long)(BUS)   << 16) |       \
+         ((unsigned long)(DEVFN) << 8)  |       \
+         ((unsigned long)(REG)))
+
+static inline void *psycho_pci_config_mkaddr(struct pci_pbm_info *pbm,
+                                             unsigned char bus,
+                                             unsigned int devfn,
+                                             int where)
+{
+        return (void *)
+                (PSYCHO_CONFIG_BASE(pbm) |
+                 PSYCHO_CONFIG_ENCODE(bus, devfn, where));
+}
+
+enum psycho_error_type {
+        UE_ERR, CE_ERR, PCI_ERR
+};
+
+extern void psycho_check_iommu_error(struct pci_pbm_info *pbm,
+                                     unsigned long afsr,
+                                     unsigned long afar,
+                                     enum psycho_error_type type);
+
+extern irqreturn_t psycho_pcierr_intr(int irq, void *dev_id);
+
+extern int psycho_iommu_init(struct pci_pbm_info *pbm, int tsbsize,
+                             u32 dvma_offset, u32 dma_mask,
+                             unsigned long write_complete_offset);
+
+extern void psycho_pbm_init_common(struct pci_pbm_info *pbm,
+                                   struct of_device *op,
+                                   const char *chip_name, int chip_type);
+
+#endif /* _PSYCHO_COMMON_H */