bsps: Move libchip to bsps

This patch is a part of the BSP source reorganization.

Update #3285.

1 files changed, 61 insertions, 0 deletions

diff --git a/bsps/shared/dev/serial/mc68681_reg.c b/bsps/shared/dev/serial/mc68681_reg.c
new file mode 100644
index 0000000000..fb92b8fcd3
--- /dev/null
+++ b/bsps/shared/dev/serial/mc68681_reg.c
@@ -0,0 +1,61 @@
+/*
+ *  This file contains a typical set of register access routines which may be
+ *  used with the mc68681 chip if accesses to the chip are as follows:
+ *
+ *    + registers are accessed as bytes
+ *    + registers are only byte-aligned (no address gaps)
+ *
+ *  COPYRIGHT (c) 1989-1997.
+ *  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.
+ */
+
+#include <rtems.h>
+
+#include <libchip/serial.h>
+#include <libchip/mc68681.h>
+
+#ifndef _MC68681_MULTIPLIER
+#define _MC68681_MULTIPLIER 1
+#define _MC68681_NAME(_X) _X
+#define _MC68681_TYPE uint8_t
+#endif
+
+#define CALCULATE_REGISTER_ADDRESS( _base, _reg ) \
+  (_MC68681_TYPE *)((_base) + ((_reg) * _MC68681_MULTIPLIER ))
+
+/*
+ *  MC68681 Get Register Routine
+ */
+
+uint8_t   _MC68681_NAME(mc68681_get_register)(
+  uintptr_t   ulCtrlPort,
+  uint8_t     ucRegNum
+)
+{
+  _MC68681_TYPE *port;
+
+  port = CALCULATE_REGISTER_ADDRESS( ulCtrlPort, ucRegNum );
+
+  return *port;
+}
+
+/*
+ *  MC68681 Set Register Routine
+ */
+
+void  _MC68681_NAME(mc68681_set_register)(
+  uintptr_t   ulCtrlPort,
+  uint8_t     ucRegNum,
+  uint8_t     ucData
+)
+{
+  _MC68681_TYPE *port;
+
+  port = CALCULATE_REGISTER_ADDRESS( ulCtrlPort, ucRegNum );
+
+  *port = ucData;
+}