pci: move microblaze and powerpc pci flag functions into asm-generic

Move separate microblaze and powerpc pci flag functions pci_set_flags,
pci_add_flags, and pci_has_flag into asm-generic/pci-bridge.h so other
archs can use them.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Michal Simek <monstr@monstr.eu>

1 files changed, 62 insertions, 0 deletions

diff --git a/include/asm-generic/pci-bridge.h b/include/asm-generic/pci-bridge.h
new file mode 100644
index 000000000000..4a5aca2a2c94
--- /dev/null
+++ b/include/asm-generic/pci-bridge.h
@@ -0,0 +1,62 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+#ifndef _ASM_GENERIC_PCI_BRIDGE_H
+#define _ASM_GENERIC_PCI_BRIDGE_H
+
+#ifdef __KERNEL__
+
+enum {
+        /* Force re-assigning all resources (ignore firmware
+         * setup completely)
+         */
+        PCI_REASSIGN_ALL_RSRC   = 0x00000001,
+
+        /* Re-assign all bus numbers */
+        PCI_REASSIGN_ALL_BUS    = 0x00000002,
+
+        /* Do not try to assign, just use existing setup */
+        PCI_PROBE_ONLY          = 0x00000004,
+
+        /* Don't bother with ISA alignment unless the bridge has
+         * ISA forwarding enabled
+         */
+        PCI_CAN_SKIP_ISA_ALIGN  = 0x00000008,
+
+        /* Enable domain numbers in /proc */
+        PCI_ENABLE_PROC_DOMAINS = 0x00000010,
+        /* ... except for domain 0 */
+        PCI_COMPAT_DOMAIN_0     = 0x00000020,
+};
+
+#ifdef CONFIG_PCI
+extern unsigned int pci_flags;
+
+static inline void pci_set_flags(int flags)
+{
+        pci_flags = flags;
+}
+
+static inline void pci_add_flags(int flags)
+{
+        pci_flags |= flags;
+}
+
+static inline int pci_has_flag(int flag)
+{
+        return pci_flags & flag;
+}
+#else
+static inline void pci_set_flags(int flags) { }
+static inline void pci_add_flags(int flags) { }
+static inline int pci_has_flag(int flag)
+{
+        return 0;
+}
+#endif  /* CONFIG_PCI */
+
+#endif  /* __KERNEL__ */
+#endif  /* _ASM_GENERIC_PCI_BRIDGE_H */