LIBPCI: added PCI layer to cpukit/libpci

1 files changed, 55 insertions, 0 deletions

diff --git a/cpukit/libpci/pci_cfg.c b/cpukit/libpci/pci_cfg.c
new file mode 100644
index 0000000000..78a1229f29
--- /dev/null
+++ b/cpukit/libpci/pci_cfg.c
@@ -0,0 +1,55 @@
+/*  PCI Configuration Library
+ *
+ *  COPYRIGHT (c) 2010.
+ *  Cobham Gaisler AB.
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.com/license/LICENSE.
+ */
+
+#include <pci/cfg.h>
+
+/* Number of buses. This is set from respective library */
+int pci_bus_cnt = 0;
+
+/* PCI Address assigned to BARs which failed to fit into the PCI Window or
+ * is disabled by any other cause.
+ */
+uint32_t pci_invalid_address = 0;
+
+/* PCI System type. Configuration Library setup this */
+int pci_system_type = PCI_SYSTEM_NONE;
+
+/* PCI Endianness.
+ *
+ * Host driver or BSP must override this be writing here if bus is defined
+ * as non-standard big-endian.
+ */
+int pci_endian = PCI_LITTLE_ENDIAN;
+
+/* Configure PCI devices and bridges, and setup the RAM data structures
+ * describing the PCI devices currently present in the system
+ */
+int pci_config_init(void)
+{
+	if (pci_config_lib_init)
+		return pci_config_lib_init();
+	else
+		return 0;
+}
+
+void pci_config_register(void *config)
+{
+	if (pci_config_lib_register)
+		pci_config_lib_register(config);
+}
+
+/* Return the number of PCI busses available in the system, note that
+ * there are always one bus (bus0) after the PCI library has been
+ * initialized and a driver has been registered.
+ */
+int pci_bus_count(void)
+{
+	return pci_bus_cnt;
+}