1 files changed, 84 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/m68k/mcf5206elite/tod/todcfg.c b/c/src/lib/libbsp/m68k/mcf5206elite/tod/todcfg.c
new file mode 100644
index 0000000000..ec063877f0
--- /dev/null
+++ b/c/src/lib/libbsp/m68k/mcf5206elite/tod/todcfg.c
@@ -0,0 +1,84 @@
+/*
+ * This file contains the RTC driver table for Motorola MCF5206eLITE
+ * ColdFire evaluation board.
+ *
+ * Copyright (C) 2000 OKTET Ltd., St.-Petersburg, Russia
+ * Author: Victor V. Vengerov <vvv@oktet.ru>
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ *
+ * http://www.OARcorp.com/rtems/license.html.
+ *
+ * @(#) $Id$
+ */
+
+#include <bsp.h>
+#include <libchip/rtc.h>
+#include <ds1307.h>
+
+/* Forward function declaration */
+boolean mcf5206elite_ds1307_probe(int minor);
+
+extern rtc_fns ds1307_fns;
+
+/* The following table configures the RTC drivers used in this BSP */
+rtc_tbl RTC_Table[] = {
+    {
+        "/dev/rtc",                /* sDeviceName */
+        RTC_CUSTOM,                /* deviceType */
+        &ds1307_fns,               /* pDeviceFns */
+        mcf5206elite_ds1307_probe, /* deviceProbe */
+        NULL,                      /* pDeviceParams */
+        0x00,                      /* ulCtrlPort1, for DS1307-I2C bus number */
+        DS1307_I2C_ADDRESS,        /* ulDataPort, for DS1307-I2C device addr */
+        NULL,                      /* getRegister - not applicable to DS1307 */
+        NULL                       /* setRegister - not applicable to DS1307 */
+    }
+};
+
+/* Some information used by the RTC driver */
+
+#define NUM_RTCS (sizeof(RTC_Table)/sizeof(rtc_tbl))
+
+unsigned long RTC_Count = NUM_RTCS;
+
+rtems_device_minor_number RTC_Minor;
+
+/* mcf5206elite_ds1307_probe --
+ *     RTC presence probe function. Return TRUE, if device is present.
+ *     Device presence checked by probe access to RTC device over I2C bus.
+ *
+ * PARAMETERS:
+ *     minor - minor RTC device number
+ *
+ * RETURNS:
+ *     TRUE, if RTC device is present
+ */
+boolean
+mcf5206elite_ds1307_probe(int minor)
+{
+    int try = 0;
+    i2c_message_status status;
+    rtc_tbl *rtc;
+    i2c_bus_number bus;
+    i2c_address addr;
+    
+    if (minor >= NUM_RTCS)
+        return FALSE;
+    
+    rtc = RTC_Table + minor;
+    
+    bus = rtc->ulCtrlPort1;
+    addr = rtc->ulDataPort;
+    do {
+        status = i2c_wrbyte(bus, addr, 0);
+        if (status == I2C_NO_DEVICE)
+            return FALSE;
+        try++;
+    } while ((try < 15) && (status != I2C_SUCCESSFUL));
+    if (status == I2C_SUCCESSFUL)
+        return TRUE;
+    else
+        return FALSE;
+}