From c404eae71849f4c7b91dca25da5762f7684221db Mon Sep 17 00:00:00 2001
From: Gregory Nutt <gnutt@nuttx.org>
Date: Thu, 3 Mar 2016 09:12:13 -0600
Subject: [PATCH] Costmetic update to comments

---
 arch/arm/src/armv7-a/arm_gic.c         |  6 +++---
 arch/arm/src/imx6/chip/imx_memorymap.h |  5 +++++
 arch/arm/src/imx6/imx_boot.c           | 12 ++++++------
 3 files changed, 14 insertions(+), 9 deletions(-)

diff --git a/arch/arm/src/armv7-a/arm_gic.c b/arch/arm/src/armv7-a/arm_gic.c
index 7368656801..19d89120c1 100644
--- a/arch/arm/src/armv7-a/arm_gic.c
+++ b/arch/arm/src/armv7-a/arm_gic.c
@@ -111,7 +111,7 @@ uint32_t *arm_decodeirq(uint32_t *regs)
 
 void up_enable_irq(int irq)
 {
-#  warning Missnig logic
+#  warning Missing logic
 }
 
 /****************************************************************************
@@ -130,7 +130,7 @@ void up_enable_irq(int irq)
 
 void up_disable_irq(int irq)
 {
-#  warning Missnig logic
+#  warning Missing logic
 }
 
 /****************************************************************************
@@ -146,7 +146,7 @@ void up_disable_irq(int irq)
 
 int up_prioritize_irq(int irq, int priority)
 {
-#  warning Missnig logic
+#  warning Missing logic
   return OK;
 }
 
diff --git a/arch/arm/src/imx6/chip/imx_memorymap.h b/arch/arm/src/imx6/chip/imx_memorymap.h
index a9353940d0..ff3b51eb83 100644
--- a/arch/arm/src/imx6/chip/imx_memorymap.h
+++ b/arch/arm/src/imx6/chip/imx_memorymap.h
@@ -925,6 +925,11 @@
 
 #define VECTOR_TABLE_SIZE         0x00010000
 
+/* REVISIT: These definitions are not used:  The vector table is at some
+ * arbitrary (but aligned) position in RAM or NOR FLASH and is positioned
+ * using the VBAR register.
+ */
+
 #ifdef CONFIG_ARCH_LOWVECTORS  /* Vectors located at 0x0000:0000  */
 
   /* Vectors will always lie at the beginnin of OCRAM */
diff --git a/arch/arm/src/imx6/imx_boot.c b/arch/arm/src/imx6/imx_boot.c
index 3d6e38d7fe..d57c938408 100644
--- a/arch/arm/src/imx6/imx_boot.c
+++ b/arch/arm/src/imx6/imx_boot.c
@@ -266,8 +266,8 @@ static void imx_copyvectorblock(void)
   /* Copy the vectors into OCRAM at the address that will be mapped to the vector
    * address:
    *
-   *   IMX_VECTOR_PADDR - Unmapped, physical address of vector table in SRAM
-   *   IMX_VECTOR_VSRAM - Virtual address of vector table in SRAM
+   *   IMX_VECTOR_PADDR - Unmapped, physical address of vector table in OCRAM
+   *   IMX_VECTOR_VSRAM - Virtual address of vector table in OCRAM
    *   IMX_VECTOR_VADDR - Virtual address of vector table (0x00000000 or
    *                      0xffff0000)
    */
@@ -395,7 +395,7 @@ static inline void imx_wdtdisable(void)
  *       memories (NVM): SPI0 CS0 Flash Boot, SD Card Boot, NAND Flash Boot,
  *       SPI0 CS1 Flash Boot, or TWI EEPROM Boot.  Different heuristics are
  *       used with each media type.  If a valid image is found, it is copied
- *       to internal SRAM and started.
+ *       to internal OCRAM and started.
  *
  ****************************************************************************/
 
@@ -407,13 +407,13 @@ void up_boot(void)
 #endif
 
 #ifndef CONFIG_ARCH_ROMPGTABLE
-  /* __start provided the basic MMU mappings for SRAM.  Now provide mappings
+  /* __start provided the basic MMU mappings for OCRAM.  Now provide mappings
    * for all IO regions (Including the vector region).
    */
 
   imx_setupmappings();
 
-  /* Provide a special mapping for the IRAM interrupt vector positioned in
+  /* Provide a special mapping for the OCRAM interrupt vector positioned in
    * high memory.
    */
 
@@ -423,7 +423,7 @@ void up_boot(void)
 
 #ifdef CONFIG_ARCH_RAMFUNCS
   /* Copy any necessary code sections from FLASH to RAM.  The correct
-   * destination in SRAM is given by _sramfuncs and _eramfuncs.  The
+   * destination in OCRAM is given by _sramfuncs and _eramfuncs.  The
    * temporary location is in flash after the data initialization code
    * at _framfuncs
    */