--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/cs/drivers/drv_core/inth/inth.c	Fri Oct 16 06:23:26 2020 +0000
@@ -0,0 +1,136 @@
+/*******************************************************************************
+            TEXAS INSTRUMENTS INCORPORATED PROPRIETARY INFORMATION           
+                                                                             
+   Property of Texas Instruments -- For  Unrestricted  Internal  Use  Only 
+   Unauthorized reproduction and/or distribution is strictly prohibited.  This 
+   product  is  protected  under  copyright  law  and  trade  secret law as an 
+   unpublished work.  Created 1987, (C) Copyright 1997 Texas Instruments.  All 
+   rights reserved.                                                            
+                  
+                                                           
+   Filename       	: inth.c
+
+   Description    	: inth.c saturn interupt handler
+
+   Project        	: drivers
+
+   Author         	: pmonteil@tif.ti.com  Patrice Monteil.
+
+   Version number   : 1.15
+
+   Date             : 05/23/03
+
+   Previous delta 	: 12/19/00 14:39:21
+
+   SCCS file      	: /db/gsm_asp/db_ht96/dsp_0/gsw/rel_0/mcu_l1/release_gprs/RELEASE_GPRS/drivers1/common/SCCS/s.inth.c
+
+   Sccs Id  (SID)       : '@(#) inth.c 1.8 01/30/01 10:22:26 '
+
+ 
+*****************************************************************************/
+
+#include "l1sw.cfg"
+#include "chipset.cfg"
+
+
+#if (CHIPSET != 12)
+
+#if (OP_L1_STANDALONE == 0)
+  #include "main/sys_types.h"
+#else
+  #include "sys_types.h"
+#endif
+#include "memif/mem.h"
+#include "inth.h"
+
+/*--------------------------------------------------------------
+ *  INTH_Ack()							
+ *--------------------------------------------------------------
+ * Parameters : num of it					
+ * Return     :	none						
+ * Functionality :Acknowledge an interrupt and return the origin
+ *	of the interrupt (binary format)			
+ *--------------------------------------------------------------*/
+
+SYS_UWORD16 INTH_Ack (int intARM)
+{
+   if (intARM == INTH_IRQ)
+	return((* (volatile SYS_UWORD16 *) INTH_B_IRQ_REG) & INTH_SRC_NUM);
+   else
+	return((* (volatile SYS_UWORD16 *) INTH_B_FIQ_REG) & INTH_SRC_NUM);
+}
+	
+/*--------------------------------------------------------------
+ *  INTH_GetPending()						
+ *--------------------------------------------------------------
+ * Parameters : none						
+ * Return     :	none						
+ * Functionality : Return the pending interrupts 		
+ *--------------------------------------------------------------*/
+
+#if ((CHIPSET == 4) || (CHIPSET == 5) || (CHIPSET == 6) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 9) || (CHIPSET == 10) || (CHIPSET == 11))
+  unsigned long INTH_GetPending (void)
+  {
+    return((unsigned long)((* (volatile SYS_UWORD16 *) INTH_IT_REG1) | 
+           ((* (volatile SYS_UWORD16 *) INTH_IT_REG2) << 16)));
+  }		
+#else
+  unsigned short INTH_GetPending (void)
+  {
+    return(* (volatile SYS_UWORD16 *) INTH_IT_REG);
+  }		
+#endif
+
+/*--------------------------------------------------------------
+ *  INTH_InitLevel()
+ *--------------------------------------------------------------
+ * Parameters : num it,FIQ/IRQ,priority level,edge/level.
+ * Return     :	none
+ * Functionality : Initialize an interrupt
+ *		   - put it on IRQ or FIQ
+ *		   - set its priority level
+ *						 		
+ *--------------------------------------------------------------*/
+
+void INTH_InitLevel (int inputInt, int FIQ_nIRQ, int priority, int edge)
+{
+   volatile SYS_UWORD16 *inthLevelReg = (SYS_UWORD16 *) INTH_EXT_REG; 
+
+   inthLevelReg = inthLevelReg + inputInt;
+
+#if ((CHIPSET == 4) || (CHIPSET == 5) || (CHIPSET == 6) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 9) || (CHIPSET == 10) || (CHIPSET == 11))
+   *inthLevelReg = (FIQ_nIRQ | (edge << 1) | (priority << 2));
+#else
+   *inthLevelReg = (FIQ_nIRQ | (priority << 1) | (edge << 5));
+#endif
+}
+
+/*--------------------------------------------------------------
+ *  INTH_ResetIT()
+ *--------------------------------------------------------------
+ * Parameters : none
+ * Return     :	none
+ * Functionality : reset the inth it register
+ *--------------------------------------------------------------*/
+
+#if ((CHIPSET == 4) || (CHIPSET == 5) || (CHIPSET == 6) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 9) || (CHIPSET == 10) || (CHIPSET == 11))
+  unsigned long INTH_ResetIT (void)
+  {
+    * (volatile SYS_UWORD16 *) INTH_IT_REG1 &= 0x0000; 
+    * (volatile SYS_UWORD16 *) INTH_IT_REG2 &= 0x0000; 
+    return((unsigned long)((* (volatile SYS_UWORD16 *) INTH_IT_REG1) | 
+           ((* (volatile SYS_UWORD16 *) INTH_IT_REG2) << 16)));
+  }
+#else
+  unsigned short INTH_ResetIT (void)
+  {
+    * (volatile SYS_UWORD16 *) INTH_IT_REG &= 0x0000; 
+    return(* (volatile SYS_UWORD16 *) INTH_IT_REG);
+  }
+#endif
+
+
+#endif /* endif chipset != 12 */
+
+
+