c5471 bringup changes

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@41 42af7a65-404d-4744-a932-0658087f49c3

1 files changed, 19 insertions, 0 deletions

diff --git a/nuttx/arch/c5471/src/up_internal.h b/nuttx/arch/c5471/src/up_internal.h
index b1256130e..7563a15fc 100644
--- a/nuttx/arch/c5471/src/up_internal.h
+++ b/nuttx/arch/c5471/src/up_internal.h
@@ -44,6 +44,11 @@
  * Definitions
  ************************************************************/
 
+/* Bring-up debug configurations */
+
+#define CONFIG_SUPPRESS_INTERRUPTS  1 /* Do not enable interrupts */
+#define CONFIG_SUPPRESS_UART_CONFIG 1 /* Do not reconfig UART */
+
 /************************************************************
  * Public Types
  ************************************************************/
@@ -57,7 +62,20 @@ typedef void (*up_vector_t)(void);
  ************************************************************/
 
 #ifndef __ASSEMBLY__
+/* This holds a references to the current interrupt level
+ * register storage structure.  If is non-NULL only during
+ * interrupt processing.
+ */
+
 extern uint32 *current_regs;
+
+/* This is the beginning of heap as provided from up_head.S.
+ * This is the first address in DRAM after the loaded
+ * program+bss+idle stack.  The end of the heap is
+ * CONFIG_DRAM_END
+ */
+
+extern uint32 g_heapstart;
 #endif
 
 /************************************************************
@@ -75,6 +93,7 @@ extern uint32 *current_regs;
 
 extern void up_copystate(uint32 *dest, uint32 *src);
 extern void up_dataabort(uint32 *regs);
+extern void up_delay(int milliseconds);
 extern void up_doirq(int irq, uint32* regs);
 extern void up_fullcontextrestore(uint32 *regs) __attribute__ ((noreturn));
 extern void up_irqinitialize(void);