1 files changed, 58 insertions, 0 deletions
diff --git a/cpukit/include/pci/cfg_auto.h b/cpukit/include/pci/cfg_auto.h
new file mode 100644
index 0000000000..e374e2e2d4
--- /dev/null
+++ b/cpukit/include/pci/cfg_auto.h
@@ -0,0 +1,58 @@
+/* PCI Auto 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.org/license/LICENSE.
+ */
+
+#ifndef __PCI_CFG_AUTO_H__
+#define __PCI_CFG_AUTO_H__
+
+#define CFGOPT_NOSETUP_IRQ 0x1 /* Skip IRQ setup */
+
+/* PCI Memory Layout setup, used by the auto-config library in order to
+ * determine the addresses of PCI BARs and Buses.
+ *
+ * All addresses are in PCI address space, the actual address the CPU access
+ * may be different, and taken care of elsewhere.
+ */
+struct pci_auto_setup {
+	int options;
+
+	/* PCI prefetchable Memory space (OPTIONAL) */
+	uint32_t mem_start;
+	uint32_t mem_size; /* 0 = Use MEMIO space for prefetchable mem BARs */
+
+	/* PCI non-prefetchable Memory */
+	uint32_t memio_start;
+	uint32_t memio_size;
+
+	/* PCI I/O space (OPTIONAL) */
+	uint32_t io_start;
+	uint32_t io_size; /* 0 = No I/O space */
+
+	/* Get System IRQ connected to a PCI line of a PCI device on bus0.
+	 * The return IRQ value zero equals no IRQ (IRQ disabled).
+	 */
+	uint8_t (*irq_map)(pci_dev_t dev, int irq_pin);
+
+	/* IRQ Bridge routing. Returns the interrupt pin (0..3 = A..D) that
+	 * a device is connected to on parent bus.
+	 */
+	int (*irq_route)(pci_dev_t dev, int irq_pin);
+};
+
+/* Do PCI initialization: Enumrate buses, scan buses for devices, assign
+ * I/O MEM and MEMIO resources, assign IRQ and so on.
+ */
+extern int pci_config_auto(void);
+
+/* Register a configuration for the auto library (struct pci_auto_setup *) */
+extern void pci_config_auto_register(void *config);
+
+/* PCI memory map */
+extern struct pci_auto_setup pci_auto_cfg;
+
+#endif