--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/g23m-gprs/cci/cci_gea_start.c	Sun Jul 15 04:40:46 2018 +0000
@@ -0,0 +1,118 @@
+/* 
++----------------------------------------------------------------------------- 
+|  Project :  
+|  Modul   :  cci_gea_start.c
++----------------------------------------------------------------------------- 
+|  Copyright 2002 Texas Instruments Berlin, AG 
+|                 All rights reserved. 
+| 
+|                 This file is confidential and a trade secret of Texas 
+|                 Instruments Berlin, AG 
+|                 The receipt of or possession of this file does not convey 
+|                 any rights to reproduce or disclose its contents or to 
+|                 manufacture, use, or sell anything it may describe, in 
+|                 whole, or in part, without the specific written consent of 
+|                 Texas Instruments Berlin, AG. 
++----------------------------------------------------------------------------- 
+|  Purpose :  This module implements local functions for service FBS of
+|             entity CCI.
++----------------------------------------------------------------------------- 
+*/ 
+
+#define CCI_GEA_START_C
+
+#ifndef CCI_THREAD
+  #define ENTITY_LLC
+#else
+  #define ENTITY_CCI
+#endif
+
+
+/*==== INCLUDES =============================================================*/
+
+#include "typedefs.h"   /* to get Condat data types */
+#include "vsi.h"        /* to get a lot of macros */
+#include "macdef.h"
+#include "gprs.h"
+#include "gsm.h"        /* to get a lot of macros */
+#include "cnf_llc.h"    /* to get cnf-definitions */
+#include "mon_llc.h"    /* to get mon-definitions */
+#include "prim.h"       /* to get the definitions of used SAP and directions */
+#include "cci.h"        /* to get the global entity definitions */
+#ifndef CCI_THREAD
+#include "llc.h"        /* to get the global entity definitions */
+#endif
+
+#ifndef _SIMULATION_
+#include "config/chipset.cfg"
+#endif /* ifdef SIMULATION */
+
+
+/*==== CONST ================================================================*/
+
+/*==== LOCAL VARS ===========================================================*/
+
+/*==== PRIVATE FUNCTIONS ====================================================*/
+
+/*==== PUBLIC FUNCTIONS =====================================================*/
+
+
+/*
++------------------------------------------------------------------------------
+| Function    : gea_start
++------------------------------------------------------------------------------
+| Description : The function  .... 
+|
+| Parameters  : void
+|
++------------------------------------------------------------------------------
+*/
+
+
+/* GEA work-around only affects Calypso+ chipset. */
+  #ifndef CCI_FLASH_ROM
+    /* Assembly routine gea_start() should be executed from the Internal RAM */
+    void gea_start(void){
+#if (CHIPSET == 12) || (CHIPSET == 14)
+      /* Enable Timer1 clock */
+      *(volatile USHORT *) 0xfffe3800 |= 0x0020; 
+
+      /* Save into the stack ARM registers r0 to r4 */
+      asm(" push {r0-r4}");
+
+      /* Load in r0 READ_TIMER1 address */
+      asm(" ldr r0, READ_TIMER1_ADDR");
+
+      /* Set bit START in GEA_CNTL register */
+      asm(" ldr r1, GEA_CNTL_ADDR");
+      asm(" mov r4,#4");
+      asm(" ldrh r2, [r1]");
+      asm(" orr r2,r4");
+      asm(" strh r2,[r1]");
+
+      /* Load Timer1 in r3 in order to prevent DMA access on strobe0 during the
+         GEA clock switch. This reading of Timer1 generates around 13 cycles of
+         MCU clock activity on strobe1 and so guaranties that strobe0 will be
+         quiet during that time. */
+      asm(" ldrh r3,[r0]");
+
+      /* Restore ARM registers r0 to r4 from the stack */
+      asm(" pop {r0-r4}");
+
+      /*  Branch to end of the function, to avoid that the 2 following constant 
+          definitions are mistaken with code instructions. */
+      asm(" br    $gea_end_func");
+
+      /* Must be defined inside the function body, else depending on the compiler 
+         version, they are not inserted in the right section */
+    asm("READ_TIMER1_ADDR .long 0xFFFE3804");
+    asm("GEA_CNTL_ADDR  .long 0xffffc000");
+
+      asm("$gea_end_func:");      
+    }
+#else
+    }    
+#endif /*(CHIPSET == 12)*/
+
+  #endif /* CCI_FLASH_ROM */
+