GR-CPCI-LEON4-N2X: added PCI peripheral driver for PCI device

Interrupts have not been test yet

1 files changed, 58 insertions, 0 deletions

diff --git a/c/src/lib/libbsp/sparc/shared/include/gr_leon4_n2x.h b/c/src/lib/libbsp/sparc/shared/include/gr_leon4_n2x.h
new file mode 100644
index 0000000000..6940c2c227
--- /dev/null
+++ b/c/src/lib/libbsp/sparc/shared/include/gr_leon4_n2x.h
@@ -0,0 +1,58 @@
+/*  GR-CPCI-LEON4-N2X (NGFP) PCI Peripheral driver
+ *
+ *  COPYRIGHT (c) 2013.
+ *  Cobham Gaisler AB.
+ *
+ *  The license and distribution terms for this file may be
+ *  found in found in the file LICENSE in this distribution or at
+ *  http://www.rtems.com/license/LICENSE.
+ *
+ *  Configures the GR-CPIC-LEON4-N2X interface PCI board in peripheral
+ *  mode. This driver provides a AMBA PnP bus by using the general part
+ *  of the AMBA PnP bus driver (ambapp_bus.c).
+ *
+ *
+ *  Driver resource options:
+ *   NAME          DEFAULT VALUE
+ *   ahbmst2pci    _RAM_START            AMBA->PCI translation PCI base address
+ *   ambaFreq      200000000 (200MHz)    AMBA system frequency of LEON4-N2X
+ *   cgEnMask      0x1f (all)            Clock gating enable mask
+ *
+ * TODO/UNTESTED
+ *   Interrupt testing
+ *   bar0 RESOURCE 0x00000000            L2-Cache SDRAM memory
+ *   bar1 RESOURCE 0xf0000000            L2-Cache registers
+ */
+
+#ifndef __GR_CPCI_LEON4_N2X_H__
+#define __GR_CPCI_LEON4_N2X_H__
+
+#include <drvmgr/drvmgr.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* An array of pointers to GR-CPCI-LEON4-N2X resources. The resources will be
+ * used by the drivers controlling the cores on the GR-CPCI-LEON4-N2X target
+ * AMBA bus.
+ *
+ * The gr_leon4_n2x_resources is declared weak so that the user can override the
+ * default configuration.
+ */
+extern struct drvmgr_bus_res *gr_leon4_n2x_resources[];
+
+/* Options to gr_cpci_leon4_n2x_print function */
+#define GR_LEON4_N2X_OPTIONS_AMBA   0x01 /* Print AMBA bus devices */
+
+/* Print information about GR-CPCI-LEON4-N2X PCI board */
+void gr_leon4_n2x_print(int options);
+
+/* Register GR-CPCI-LEON4-N2X driver */
+void gr_cpci_leon4_n2x_register_drv(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif