1 files changed, 97 insertions, 0 deletions
diff --git a/include/bsp/mg5uart.h b/include/bsp/mg5uart.h
new file mode 100644
index 0000000000..b9e69f27ba
--- /dev/null
+++ b/include/bsp/mg5uart.h
@@ -0,0 +1,97 @@
+/*
+ *  COPYRIGHT (c) 1989-1999.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  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 _MG5UART_H_
+#define _MG5UART_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ *  This is the ASCII for "MG5U" which should be unique enough to
+ *  distinguish this type of serial device from others.
+ */
+
+#define SERIAL_MG5UART 0x474D5535
+
+#define MG5UART_UART0  0
+#define MG5UART_UART1  1
+
+/*
+ *  These are just used in the interface between this driver and
+ *  the read/write register routines when accessing the first
+ *  control port.  They are indices of registers from the bases.
+ */
+
+/* shared registers from peripheral base (i.e. from ulCtrlPort1) */
+/*
+#define MG5UART_COMMAND_REGISTER          0
+#define MG5UART_STATUS_REGISTER           1
+#define MG5UART_INTERRUPT_CAUSE_REGISTER  2
+#define MG5UART_INTERRUPT_MASK_REGISTER   3
+*/
+
+#define MG5UART_COMMAND_REGISTER          0
+#define MG5UART_STATUS_REGISTER           0x04
+#define MG5UART_INTERRUPT_CAUSE_REGISTER  0x08
+#define MG5UART_INTERRUPT_MASK_REGISTER   0x0C
+
+/* port specific registers from uart base (i.e. from ulCtrlPort2) */
+#define MG5UART_RX_BUFFER  0
+#define MG5UART_TX_BUFFER  4
+#define MG5UART_BAUD_RATE  8
+
+/*
+ *  Interrupt mask values
+ */
+
+#define MG5UART_ENABLE_ALL_EXCEPT_TX MONGOOSEV_UART_ALL_RX_STATUS_BITS
+
+/* all rx ints on, but only tx ready.  no need to also int on tx empty */
+#define MG5UART_ENABLE_ALL           (MONGOOSEV_UART_ALL_STATUS_BITS & ~MONGOOSEV_UART_TX_EMPTY)
+
+#define MG5UART_DISABLE_ALL          0x0000
+
+/*
+ *  Assume vectors are sequential.
+ */
+
+#define MG5UART_IRQ_RX_FRAME_ERROR   0
+#define MG5UART_IRQ_RX_OVERRUN_ERROR 1
+#define MG5UART_IRQ_TX_EMPTY         2
+#define MG5UART_IRQ_TX_READY         3
+#define MG5UART_IRQ_RX_READY         4
+/*
+ * Driver function table
+ */
+
+extern const console_fns mg5uart_fns;
+extern const console_fns mg5uart_fns_polled;
+
+/*
+ * Default register access routines
+ */
+
+uint32_t   mg5uart_get_register(    /* registers are on 32-bit boundaries */
+  uintptr_t   ulCtrlPort,           /*   and accessed as word             */
+  uint32_t    ucRegNum
+);
+
+void  mg5uart_set_register(
+  uintptr_t   ulCtrlPort,
+  uint32_t    ucRegNum,
+  uint32_t    ucData
+);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _MG5UART_H_ */