1 files changed, 95 insertions, 0 deletions
diff --git a/bsps/sparc/include/drvmgr/leon2_amba_bus.h b/bsps/sparc/include/drvmgr/leon2_amba_bus.h
new file mode 100644
index 0000000000..ebb3a08486
--- /dev/null
+++ b/bsps/sparc/include/drvmgr/leon2_amba_bus.h
@@ -0,0 +1,95 @@
+/*  LEON2 Hardcoded bus driver interface.
+ *
+ *  COPYRIGHT (c) 2008.
+ *  Cobham Gaisler AB.
+ *
+ *  Bus driver for a hardcoded setup. LEON2 systems have some
+ *  cores always present, here called "Standard Cores". In 
+ *  addtion to the standard cores there are often extra cores
+ *  that can be defined using the "Custom Cores" mechanism.
+ *
+ *  A Core is described by assigning a base register and 
+ *  IRQ0..IRQ15 using the leon2_core structure.
+ *
+ *  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 __LEON2_AMBA_BUS_H__
+#define __LEON2_AMBA_BUS_H__
+
+/*** Cores location and IRQs hardcoded ***/
+
+#include <drvmgr/drvmgr.h>
+#include <ambapp.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* LEON2 AMBA Driver ID generation */
+#define DRIVER_LEON2_AMBA(id)	DRIVER_ID(DRVMGR_BUS_TYPE_LEON2_AMBA, id)
+
+/* LEON2 Cores (any unique 48-bit number will do) */
+#define LEON2_AMBA_NONE_ID		0
+#define LEON2_AMBA_TIMER_ID		1
+#define LEON2_AMBA_UART_ID		2
+#define LEON2_AMBA_GPIO_ID		3
+#define LEON2_AMBA_IRQCTRL_ID		4
+
+#define LEON2_AMBA_AT697PCI_ID		100
+#define LEON2_AMBA_AMBAPP_ID		0xfff0
+
+/* LEON2 driver IDs */
+#define DRIVER_LEON2_AMBA_TIMER 	DRIVER_LEON2_AMBA(LEON2_AMBA_TIMER_ID)
+#define DRIVER_LEON2_AMBA_UART		DRIVER_LEON2_AMBA(LEON2_AMBA_UART_ID)
+#define DRIVER_LEON2_AMBA_AT697PCI	DRIVER_LEON2_AMBA(LEON2_AMBA_AT697PCI_ID)
+#define DRIVER_LEON2_AMBA_AMBAPP	DRIVER_LEON2_AMBA(LEON2_AMBA_AMBAPP_ID)
+
+struct leon2_amba_dev_id {
+	unsigned short		core_id;
+};
+
+#define EMPTY_LEON2_CORE {{LEON2_AMBA_NONE_ID}, NULL, NULL}
+struct leon2_core {
+	struct leon2_amba_dev_id	id;	/* Core ID */
+	char				*name;	/* Name of Core */
+	struct drvmgr_key		*keys;	/* Core setup (location, IRQs) */
+};
+
+struct leon2_bus {
+	struct leon2_core		*std_cores;	/* The LEON2 standard cores */
+	struct leon2_core		*custom_cores;	/* Custom cores on the same bus */
+	struct drvmgr_map_entry		*maps_up;	/* Memory map ip-stream */
+	struct drvmgr_map_entry		*maps_down;	/* Memory map down-stream */
+};
+
+extern struct leon2_core leon2_std_cores[];
+
+/* Data structure drivers can access */
+struct leon2_amba_dev_info {
+	unsigned short		core_id;	/* Core ID */
+	unsigned int		reg_base;	/* Register base */
+	char			irqs[16];	/* 16 irqs */
+};
+
+struct leon2_amba_drv_info {
+	struct drvmgr_drv	general;	/* General bus info */
+	/* AMBA specific bus information */
+	struct leon2_amba_dev_id	*ids;		/* Supported hardware */
+};
+
+/* Initialize LEON2 bus with a configuration 
+ *  bus_config   -   What cores, their location and irqs
+ *  resources    -   Driver configuration for the cores specified bus_config
+ */
+int leon2_root_register(
+	struct leon2_bus *bus_config,
+	struct drvmgr_bus_res *resources);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif