nuttx/configs/pcduino-a10/nsh/pcduino-140107.patch

diff --git a/nuttx/arch/arm/src/a1x/a1x_boot.c b/nuttx/arch/arm/src/a1x/a1x_boot.c
index 3cc6323..ad42790 100644
--- a/nuttx/arch/arm/src/a1x/a1x_boot.c
+++ b/nuttx/arch/arm/src/a1x/a1x_boot.c
@@ -312,12 +312,14 @@ void up_boot(void)
    * for all IO regions (Including the vector region).
    */
 
+lowsyslog(LOG_INFO, "Calling a1x_setupmappings\n"); // REMOVE ME
   a1x_setupmappings();
 
   /* Provide a special mapping for the IRAM interrupt vector positioned in
    * high memory.
    */
 
+lowsyslog(LOG_INFO, "Calling a1x_vectormapping\n"); // REMOVE ME
   a1x_vectormapping();
 
 #endif /* CONFIG_ARCH_ROMPGTABLE */
@@ -326,16 +328,19 @@ void up_boot(void)
    * arm_vector.S
    */
 
+lowsyslog(LOG_INFO, "Calling a1x_copyvectorblock\n"); // REMOVE ME
   a1x_copyvectorblock();
 
   /* Initialize the FPU */
 
 #ifdef CONFIG_ARCH_FPU
+lowsyslog(LOG_INFO, "Calling arm_fpuconfig\n"); // REMOVE ME
   arm_fpuconfig();
 #endif
 
   /* Perform common, low-level chip initialization (might do nothing) */
 
+lowsyslog(LOG_INFO, "Calling a1x_lowsetup\n"); // REMOVE ME
   a1x_lowsetup();
 
   /* Perform early serial initialization if we are going to use the serial
@@ -343,6 +348,7 @@ void up_boot(void)
    */
 
 #ifdef USE_EARLYSERIALINIT
+lowsyslog(LOG_INFO, "Calling up_earlyserialinit\n"); // REMOVE ME
   up_earlyserialinit();
 #endif
 
@@ -353,6 +359,7 @@ void up_boot(void)
    */
 
 #ifdef CONFIG_BUILD_PROTECTED
+lowsyslog(LOG_INFO, "Calling a1x_userspace\n"); // REMOVE ME
   a1x_userspace();
 #endif
 
@@ -362,5 +369,7 @@ void up_boot(void)
    * - Configuration of board specific resources (PIOs, LEDs, etc).
    */
 
+lowsyslog(LOG_INFO, "Calling a1x_boardinitialize\n"); // REMOVE ME
   a1x_boardinitialize();
+lowsyslog(LOG_INFO, "Returning\n"); // REMOVE ME
 }
diff --git a/nuttx/arch/arm/src/armv7-a/arm_head.S b/nuttx/arch/arm/src/armv7-a/arm_head.S
index bce82d5..924bd24 100644
--- a/nuttx/arch/arm/src/armv7-a/arm_head.S
+++ b/nuttx/arch/arm/src/armv7-a/arm_head.S
@@ -220,6 +220,12 @@ __start:
 	teq		r0, r2
 	bne		.Lpgtableclear
 
+	movw	r1, #0x0416 // REMOVE ME
+	movt	r1, #0x01c0
+	movw	r2, #0x4070
+	movt	r2, #0x0000
+	str		r1, [r2]
+
 #ifdef ARMV7A_PGTABLE_MAPPING
 	/* If the page table does not lie in the same address space as does the
 	 * mapped RAM in either case.  So we will need to create a special
diff --git a/nuttx/arch/arm/src/armv7-a/arm_mmu.c b/nuttx/arch/arm/src/armv7-a/arm_mmu.c
index f82490c..5c16e48 100644
--- a/nuttx/arch/arm/src/armv7-a/arm_mmu.c
+++ b/nuttx/arch/arm/src/armv7-a/arm_mmu.c
@@ -94,7 +94,7 @@ void mmu_l1_setentry(uint32_t paddr, uint32_t vaddr, uint32_t mmuflags)
 
   /* Invalidate the TLB cache associated with virtual address range */
 
-  mmu_invalidate_region(vaddr, 1024*1024);
+//  mmu_invalidate_region(vaddr, 1024*1024);
 }
 #endif