PASDK-432:Increase ARM open loop delay for HS boot.

Temporary workaround to ARM exit in IPC_attach().

diff --git a/pasdk/test_arm/application/main.c b/pasdk/test_arm/application/main.c
index 21c9b36059404f898aff0381241a23560c25ce04..40b06ce0d09451faa6dfd92accec6116cd0673d2 100644 (file)
--- a/pasdk/test_arm/application/main.c
+++ b/pasdk/test_arm/application/main.c
@@ -48,11 +48,16 @@ All rights reserved.
 #include "pfp/pfp.h"
 #include "pfp_app.h"        /* contains all PFP ID's */
 
+//
+// FL: Temporary code for ARM image size reduction
+//
 #include <string.h>
 #include <ti/sysbios/hal/Cache.h>
 #include <ti/sysbios/heaps/HeapMem.h>
 // Number of control bytes used in heap buffer after heap initialized by SYSBIOS before main()
 #define HEAP_CONTROL_SZ ( 8 )
+// ARM open loop delay count
+#define OPEN_LOOP_DELAY_CNT ( 10000000 )
 
 extern void BOARD_initPerfCounters();
 extern uint32_t readTime32(void);
@@ -71,23 +76,23 @@ Int main()
     
     Log_info0("Enter main()");
 
-    // FL: hack to clear heap buffers
-    // Temporary workaround used to avoid including 0's in ARM image to clear heap at startup.
+    // (***) FL: clear ARM dedicated heap buffers
+    // Temporary workaround to avoid including 0's in ARM image.
+    // If heaps aren't cleared:
+    //   1) DSP:ASIT: IPC state is corrupted because of incorrect memory segments for PCM2, DDP2 & THD2 beta table entries.
+    //   2) DSP:ASIT: DSP hangs in GateMP_open() inside first call to statusOp_Init().
     HeapMem_getExtendedStats(heapMemMsmcSram, &heapmem_stats);
     buf = (Ptr)heapmem_stats.buf+HEAP_CONTROL_SZ;
     size = (SizeT)heapmem_stats.size-HEAP_CONTROL_SZ;
     memset(buf, 0, size);
     Cache_wb(buf, size, Cache_Type_ALLD, 0);
     Cache_wait();
-        
     HeapMem_getExtendedStats(heapMemDdr3, &heapmem_stats);
     buf = (Ptr)heapmem_stats.buf+HEAP_CONTROL_SZ;
     size = (SizeT)heapmem_stats.size-HEAP_CONTROL_SZ;
     memset(buf, 0, size);
     Cache_wb(buf, size, Cache_Type_ALLD, 0);
     Cache_wait();
-    
-    
 
 #if 0 // debug: check ARM SYS/BIOS timestamp provider
     BOARD_initPerfCounters();
@@ -117,10 +122,10 @@ Int main()
     delta = tsEnd-tsStart;
 #endif
 
-    // (***) FL: hack to insert "open-loop" delay before start of ARM application.
-    //  When bootloading from MMC/SD, ARM exits in system init unless delay is added.
-    //  Haven't yet determined where ARM exits.
-        for (k=0; k<100000; k++)
+    // (***) FL: insert "open-loop" delay before start of ARM application.
+    //  Temporary workaround to avoid exit in IPC_attach().
+    //  ARM exits in taskSysInitFxn:IPC_attach() when bootloading from MMC/SD unless delay is added.
+        for (k = 0; k < OPEN_LOOP_DELAY_CNT; k++)
             asm("   nop");
 
     // Initialize IPC