LM: Don't initialize .data if running in SRAM. Global missing intialize type. SAMA5 NAND: Fix for read nand in smaller chunks

77 files changed, 127 insertions, 205 deletions

diff --git a/nuttx/ChangeLog b/nuttx/ChangeLog
index 7b54b6192..046370d62 100644
--- a/nuttx/ChangeLog
+++ b/nuttx/ChangeLog
@@ -630,7 +630,7 @@
 	  wrong by 64 bytes (Kevin Franzen).
 	* eZ80Acclaim!: Corrected some stack handling errors during interrupt handling
 	   context save and restore (Kevin Franzen).
-	* eZ80Acclaim!: Corrected vector intialization logic (Kevin Franzen).
+	* eZ80Acclaim!: Corrected vector initializeation logic (Kevin Franzen).
 	* eZ80Acclaim!: Corrected overflow problem in the calculation of UART baud rate
 		divisor, the system timer divisor, and the EMAC poll timer.
 	* eZ80Acclaim!: Fixed GPIO pin configuration get serial output
@@ -4639,7 +4639,7 @@
 6.28 2013-06-14 Gregory Nutt <gnutt@nuttx.org>
 
 	* arch/arm/src/lpc17xx/lpc17_i2c.c:  Interrupts were not being
-	  re-enabled in the I2C intialization function (2013-4-30).
+	  re-enabled in the I2C initializeation function (2013-4-30).
 	* net/sendto.c:  Added skeleton of implementation of send timeouts
 	  for UDP.  However, this functionality really does not make
 	  sense, so it is disabled in the code (2013-4-30).
@@ -6160,4 +6160,7 @@
 	* drivers/mtd/mtd_nand.c: Fix a typo in calculation of page number
 	  (2013-12-02).
 	* drivers/mtd/README.txt:  New README file (2013-12-04).
+	* arch/arm/src/lm/lm_start.c:  Don't initialize .data if not running
+	  from FLASH (2013-12-05).
+
 
diff --git a/nuttx/Documentation/NXGraphicsSubsystem.html b/nuttx/Documentation/NXGraphicsSubsystem.html
index 48e4e376e..4f7833acd 100644
--- a/nuttx/Documentation/NXGraphicsSubsystem.html
+++ b/nuttx/Documentation/NXGraphicsSubsystem.html
@@ -356,7 +356,7 @@
 
 <p>
   <sup>1</sup><small>NXMU and NXSU are interchangeable other than (1) certain start-up
-  and intialization APIs (as described below), and (2) timing.  With NXSU, NX APIs
+  and initializeation APIs (as described below), and (2) timing.  With NXSU, NX APIs
   execute immediately; with NXMU, NX APIs defer and serialize the operations and, hence,
   introduce different timing and potential race conditions that you would not experience
   with NXSU.</small>
diff --git a/nuttx/Documentation/NuttxPortingGuide.html b/nuttx/Documentation/NuttxPortingGuide.html
index 65f4820bf..89f9ff35f 100644
--- a/nuttx/Documentation/NuttxPortingGuide.html
+++ b/nuttx/Documentation/NuttxPortingGuide.html
@@ -2257,7 +2257,7 @@ else
   <li><code>up_rtc_time()</code>.
     Get the current time in seconds.  This is similar to the standard <code>time()</code> function.
     This interface is only required if the low-resolution RTC/counter hardware implementation selected.
-    It is only used by the RTOS during intialization to set up the system time when <code>CONFIG_RTC</code> is set
+    It is only used by the RTOS during initializeation to set up the system time when <code>CONFIG_RTC</code> is set
     but neither <code>CONFIG_RTC_HIRES</code> nor <code>CONFIG_RTC_DATETIME</code> are set.
   </li>
   <li><code>up_rtc_gettime()</code>.
@@ -3511,7 +3511,7 @@ extern void up_ledoff(int led);
       <ol>
         <li>
           <p>
-            Each USB host class driver includes an intialization entry point that is called from the
+            Each USB host class driver includes an initializeation entry point that is called from the
             application at initialization time.
             This driver calls <code>usbhost_registerclass()</code> during this initialization in order to makes itself available in the event the device that it supports is connected.
           </p>
@@ -3599,7 +3599,7 @@ extern void up_ledoff(int led);
       <ol>
         <li>
           <p>
-            Each USB device class driver includes an intialization entry point that is called from the
+            Each USB device class driver includes an initializeation entry point that is called from the
             application at initialization time.
           </p>
           <p>
@@ -4134,7 +4134,7 @@ void pm_initialize(void);
 </pre></ul>
 <p><b>Description:</b>
 This function is called by MCU-specific one-time at power on reset in order to initialize the power management capabilities.
-This function must be called <i>very</i> early in the intialization sequence <i>before</i> any other device drivers are initialize (since they may attempt to register with the power management subsystem).
+This function must be called <i>very</i> early in the initializeation sequence <i>before</i> any other device drivers are initialize (since they may attempt to register with the power management subsystem).
 </p>
 <p><b>Input Parameters:</b>
 None
diff --git a/nuttx/Documentation/NuttxUserGuide.html b/nuttx/Documentation/NuttxUserGuide.html
index bedc07226..621c65c93 100644
--- a/nuttx/Documentation/NuttxUserGuide.html
+++ b/nuttx/Documentation/NuttxUserGuide.html
@@ -1000,7 +1000,7 @@ int posix_spawn_file_actions_destroy(FAR posix_spawn_file_actions_t *file_action
 </pre></ul>
 <p>
   <b>Description:</b>
-  The <code>posix_spawn_file_actions_destroy()</code> function destroys the object referenced by <code>file_actions</code> which was previously intialized by <code>posix_spawn_file_actions_init()</code>, returning any resources obtained at the time of initialization to the system for subsequent reuse.
+  The <code>posix_spawn_file_actions_destroy()</code> function destroys the object referenced by <code>file_actions</code> which was previously initializeed by <code>posix_spawn_file_actions_init()</code>, returning any resources obtained at the time of initialization to the system for subsequent reuse.
   A <code>posix_spawn_file_actions_t</code> may be reinitialized after having been destroyed, but must not be reused after destruction, unless it has been reinitialized.
 </p>
 <p>
diff --git a/nuttx/arch/8051/src/up_initialstate.c b/nuttx/arch/8051/src/up_initialstate.c
index 1defe9f55..d0d568981 100644
--- a/nuttx/arch/8051/src/up_initialstate.c
+++ b/nuttx/arch/8051/src/up_initialstate.c
@@ -106,7 +106,7 @@ void up_initial_state(FAR struct tcb_s *tcb)
   frame[FRAME_IE] = 0x80;
 
   /* Save the number of bytes in the frame (which will be used
-   * to intialize the stack pointer when the task is started).
+   * to initialize the stack pointer when the task is started).
    */
 
   tcb->xcp.nbytes = FRAME_SIZE;
diff --git a/nuttx/arch/arm/src/common/up_initialize.c b/nuttx/arch/arm/src/common/up_initialize.c
index 8a1311d59..67a034983 100644
--- a/nuttx/arch/arm/src/common/up_initialize.c
+++ b/nuttx/arch/arm/src/common/up_initialize.c
@@ -127,7 +127,7 @@ void up_initialize(void)
   up_irqinitialize();
 
   /* Initialize the power management subsystem.  This MCU-specific function
-   * must be called *very* early in the intialization sequence *before* any
+   * must be called *very* early in the initialization sequence *before* any
    * other device drivers are initialized (since they may attempt to register
    * with the power management subsystem).
    */
diff --git a/nuttx/arch/arm/src/kinetis/kinetis_start.c b/nuttx/arch/arm/src/kinetis/kinetis_start.c
index 9748f1fc3..6a309ab83 100644
--- a/nuttx/arch/arm/src/kinetis/kinetis_start.c
+++ b/nuttx/arch/arm/src/kinetis/kinetis_start.c
@@ -100,7 +100,7 @@ void __start(void)
       *dest++ = 0;
     }
 
-  /* Move the intialized data section from his temporary holding spot in
+  /* Move the initialized data section from his temporary holding spot in
    * FLASH into the correct place in SRAM.  The correct place in SRAM is
    * give by _sdata and _edata.  The temporary location is in FLASH at the
    * end of all of the other read-only data (.text, .rodata) at _eronly.
diff --git a/nuttx/arch/arm/src/kl/kl_start.c b/nuttx/arch/arm/src/kl/kl_start.c
index 940d7240e..3daa3ef33 100644
--- a/nuttx/arch/arm/src/kl/kl_start.c
+++ b/nuttx/arch/arm/src/kl/kl_start.c
@@ -137,7 +137,7 @@ void __start(void)
     }
   showprogress('B');
 
-  /* Move the intialized data section from his temporary holding spot in
+  /* Move the initialized data section from his temporary holding spot in
    * FLASH into the correct place in SRAM.  The correct place in SRAM is
    * give by _sdata and _edata.  The temporary location is in FLASH at the
    * end of all of the other read-only data (.text, .rodata) at _eronly.
diff --git a/nuttx/arch/arm/src/lm/lm_start.c b/nuttx/arch/arm/src/lm/lm_start.c
index 5ab07684c..700019193 100644
--- a/nuttx/arch/arm/src/lm/lm_start.c
+++ b/nuttx/arch/arm/src/lm/lm_start.c
@@ -119,7 +119,8 @@ void __start(void)
     }
   showprogress('B');
 
-  /* Move the intialized data section from his temporary holding spot in
+#ifdef CONFIG_BOOT_RUNFROMFLASH
+  /* Move the initialized data section from his temporary holding spot in
    * FLASH into the correct place in SRAM.  The correct place in SRAM is
    * give by _sdata and _edata.  The temporary location is in FLASH at the
    * end of all of the other read-only data (.text, .rodata) at _eronly.
@@ -130,6 +131,7 @@ void __start(void)
       *dest++ = *src++;
     }
   showprogress('C');
+#endif
 
   /* Perform early serial initialization */
 
diff --git a/nuttx/arch/arm/src/lpc17xx/lpc17_start.c b/nuttx/arch/arm/src/lpc17xx/lpc17_start.c
index f5af4c913..256d035ab 100644
--- a/nuttx/arch/arm/src/lpc17xx/lpc17_start.c
+++ b/nuttx/arch/arm/src/lpc17xx/lpc17_start.c
@@ -213,7 +213,7 @@ void __start(void)
 
   showprogress('B');
 
-  /* Move the intialized data section from his temporary holding spot in
+  /* Move the initialized data section from his temporary holding spot in
    * FLASH into the correct place in SRAM.  The correct place in SRAM is
    * give by _sdata and _edata.  The temporary location is in FLASH at the
    * end of all of the other read-only data (.text, .rodata) at _eronly.
diff --git a/nuttx/arch/arm/src/lpc17xx/lpc17_usbhost.c b/nuttx/arch/arm/src/lpc17xx/lpc17_usbhost.c
index 5980a8d2a..5dbe115f2 100644
--- a/nuttx/arch/arm/src/lpc17xx/lpc17_usbhost.c
+++ b/nuttx/arch/arm/src/lpc17xx/lpc17_usbhost.c
@@ -2509,7 +2509,7 @@ static inline void lpc17_ep0init(struct lpc17_usbhost_s *priv)
  *
  * Input Parameters:
  *   controller -- If the device supports more than USB host controller, then
- *     this identifies which controller is being intialized.  Normally, this
+ *     this identifies which controller is being initialized.  Normally, this
  *     is just zero.
  *
  * Returned Value:
diff --git a/nuttx/arch/arm/src/lpc17xx/lpc17_usbhost.h b/nuttx/arch/arm/src/lpc17xx/lpc17_usbhost.h
index 43f7b66f3..c5056a9ee 100644
--- a/nuttx/arch/arm/src/lpc17xx/lpc17_usbhost.h
+++ b/nuttx/arch/arm/src/lpc17xx/lpc17_usbhost.h
@@ -77,7 +77,7 @@ extern "C"
  *
  * Input Parameters:
  *   controller -- If the device supports more than USB host controller, then
- *     this identifies which controller is being intialized.  Normally, this
+ *     this identifies which controller is being initializeed.  Normally, this
  *     is just zero.
  *
  * Returned Value:
diff --git a/nuttx/arch/arm/src/lpc31xx/lpc31_ehci.c b/nuttx/arch/arm/src/lpc31xx/lpc31_ehci.c
index f19dd2fa8..e41485b4d 100755
--- a/nuttx/arch/arm/src/lpc31xx/lpc31_ehci.c
+++ b/nuttx/arch/arm/src/lpc31xx/lpc31_ehci.c
@@ -4160,7 +4160,7 @@ static int lpc31_reset(void)
  *
  * Input Parameters:
  *   controller -- If the device supports more than one EHCI interface, then
- *     this identifies which controller is being intialized.  Normally, this
+ *     this identifies which controller is being initialized.  Normally, this
  *     is just zero.
  *
  * Returned Value:
diff --git a/nuttx/arch/arm/src/lpc31xx/lpc31_internal.h b/nuttx/arch/arm/src/lpc31xx/lpc31_internal.h
index bd79adc2f..6b784cd6d 100644
--- a/nuttx/arch/arm/src/lpc31xx/lpc31_internal.h
+++ b/nuttx/arch/arm/src/lpc31xx/lpc31_internal.h
@@ -248,7 +248,7 @@ void lpc31_usbsuspend(FAR struct usbdev_s *dev, bool resume);
  *
  * Input Parameters:
  *   controller -- If the device supports more than one EHCI interface, then
- *     this identifies which controller is being intialized.  Normally, this
+ *     this identifies which controller is being initializeed.  Normally, this
  *     is just zero.
  *
  * Returned Value:
diff --git a/nuttx/arch/arm/src/lpc43xx/lpc43_start.c b/nuttx/arch/arm/src/lpc43xx/lpc43_start.c
index 8dc9f66b9..fc96ab14a 100644
--- a/nuttx/arch/arm/src/lpc43xx/lpc43_start.c
+++ b/nuttx/arch/arm/src/lpc43xx/lpc43_start.c
@@ -309,7 +309,7 @@ void __start(void)
     }
   showprogress('B');
 
-  /* Move the intialized data section from his temporary holding spot in
+  /* Move the initialized data section from his temporary holding spot in
    * FLASH into the correct place in SRAM.  The correct place in SRAM is
    * give by _sdata and _edata.  The temporary location is in FLASH at the
    * end of all of the other read-only data (.text, .rodata) at _eronly.
diff --git a/nuttx/arch/arm/src/nuc1xx/nuc_start.c b/nuttx/arch/arm/src/nuc1xx/nuc_start.c
index 442fecb20..4d5b9c302 100644
--- a/nuttx/arch/arm/src/nuc1xx/nuc_start.c
+++ b/nuttx/arch/arm/src/nuc1xx/nuc_start.c
@@ -131,7 +131,7 @@ void __start(void)
     }
   showprogress('B');
 
-  /* Move the intialized data section from his temporary holding spot in
+  /* Move the initialized data section from his temporary holding spot in
    * FLASH into the correct place in SRAM.  The correct place in SRAM is
    * give by _sdata and _edata.  The temporary location is in FLASH at the
    * end of all of the other read-only data (.text, .rodata) at _eronly.
diff --git a/nuttx/arch/arm/src/sam34/sam_start.c b/nuttx/arch/arm/src/sam34/sam_start.c
index 6324617f3..0e1ead766 100644
--- a/nuttx/arch/arm/src/sam34/sam_start.c
+++ b/nuttx/arch/arm/src/sam34/sam_start.c
@@ -112,7 +112,7 @@ void __start(void)
       *dest++ = 0;
     }
 
-  /* Move the intialized data section from his temporary holding spot in
+  /* Move the initialized data section from his temporary holding spot in
    * FLASH into the correct place in SRAM.  The correct place in SRAM is
    * give by _sdata and _edata.  The temporary location is in FLASH at the
    * end of all of the other read-only data (.text, .rodata) at _eronly.
diff --git a/nuttx/arch/arm/src/sama5/sam_ehci.c b/nuttx/arch/arm/src/sama5/sam_ehci.c
index b53e0c798..5f608cf78 100755
--- a/nuttx/arch/arm/src/sama5/sam_ehci.c
+++ b/nuttx/arch/arm/src/sama5/sam_ehci.c
@@ -4000,7 +4000,7 @@ static int sam_reset(void)
  *
  * Input Parameters:
  *   controller -- If the device supports more than one EHCI interface, then
- *     this identifies which controller is being intialized.  Normally, this
+ *     this identifies which controller is being initialized.  Normally, this
  *     is just zero.
  *
  * Returned Value:
diff --git a/nuttx/arch/arm/src/sama5/sam_irq.c b/nuttx/arch/arm/src/sama5/sam_irq.c
index e00affb40..b92ee6261 100644
--- a/nuttx/arch/arm/src/sama5/sam_irq.c
+++ b/nuttx/arch/arm/src/sama5/sam_irq.c
@@ -213,7 +213,7 @@ void up_irqinitialize(void)
   int i;
 
   /* The following operations need to be atomic, but since this function is
-   * called early in the intialization sequence, we expect to have exclusive
+   * called early in the initialization sequence, we expect to have exclusive
    * access to the AIC.
    */
 
diff --git a/nuttx/arch/arm/src/sama5/sam_nand.c b/nuttx/arch/arm/src/sama5/sam_nand.c
index b2bf7f391..e41a7b8c6 100644
--- a/nuttx/arch/arm/src/sama5/sam_nand.c
+++ b/nuttx/arch/arm/src/sama5/sam_nand.c
@@ -221,11 +221,8 @@ static int      nand_dma_write(struct sam_nandcs_s *priv,
 
 static int      nand_nfcsram_read(uintptr_t src, uint8_t *dest,
                   size_t buflen);
-static int      nand_smc_read8(uintptr_t src, uint8_t *dest, size_t buflen);
-static int      nand_smc_read16(uintptr_t src, uint8_t *dest,
-                  size_t buflen);
-static int      nand_read(struct sam_nandcs_s *priv, bool nfcsram,
-                  uint8_t *buffer, size_t buflen);
+static int      nand_read(struct sam_nandcs_s *priv, uint8_t *buffer,
+                  uint16_t buflen, uint16_t offset);
 
 #ifdef CONFIG_SAMA5_HAVE_PMECC
 static int      nand_read_pmecc(struct sam_nandcs_s *priv, off_t block,
@@ -1481,82 +1478,25 @@ static int nand_nfcsram_read(uintptr_t src, uint8_t *dest, size_t buflen)
 }
 
 /****************************************************************************
- * Name: nand_smc_read8
- *
- * Description:
- *   Read 8-bit data from NAND using the NAND data address (without DMA)
- *
- * Input Parameters:
- *   src    - NAND data source address
- *   dest   - Buffer that will receive the data from the read
- *   buflen - The number of bytes to transfer
- *
- * Returned Value
- *   OK always
- *
- ****************************************************************************/
-
-static int nand_smc_read8(uintptr_t src, uint8_t *dest, size_t buflen)
-{
-  volatile uint8_t *src8  = (volatile uint8_t *)src;
-
-  for (; buflen > 0; buflen--)
-    {
-      *dest++ = *src8;
-    }
-
-  return OK;
-}
-
-/****************************************************************************
- * Name: nand_smc_read16
- *
- * Description:
- *   Read 16-bit data from NAND using the NAND data address (without DMA)
- *
- * Input Parameters:
- *   src    - NAND data source address
- *   dest   - Buffer that will receive the data from the read
- *   buflen - The number of bytes to transfer
- *
- * Returned Value
- *   OK always
- *
- ****************************************************************************/
-
-static int nand_smc_read16(uintptr_t src, uint8_t *dest, size_t buflen)
-{
-  volatile uint16_t *src16  = (volatile uint16_t *)src;
-  uint16_t *dest16 = (uint16_t *)dest;
-
-  DEBUGASSERT(((uintptr_t)dest & 1) == 0);
-
-  for (; buflen > 1; buflen -= sizeof(uint16_t))
-    {
-      *dest16++ = *src16;
-    }
-
-  return OK;
-}
-
-/****************************************************************************
  * Name: nand_read
  *
  * Description:
- *   Read data from NAND using the appropriate method
+ *   Read data from NAND using the NFC SRAM
  *
  * Input Parameters:
  *   priv     - Lower-half, private NAND FLASH device state
- *   nfcsram  - True: Use NFC Host SRAM
  *   buffer   - Buffer that provides the data for the write
+ *   buflen   - The amount of data to read into the buffer
+ *   offset   - If reading from NFC SRAM, this is the offset into
+ *              the SRAM.
  *
  * Returned Value
  *   OK on success; a negated errno value on failure.
  *
  ****************************************************************************/
 
-static int nand_read(struct sam_nandcs_s *priv, bool nfcsram,
-                     uint8_t *buffer, size_t buflen)
+static int nand_read(struct sam_nandcs_s *priv, uint8_t *buffer,
+                     uint16_t buflen, uint16_t offset)
 {
   uintptr_t src;
 #ifdef CONFIG_SAMA5_NAND_DMA
@@ -1565,48 +1505,32 @@ static int nand_read(struct sam_nandcs_s *priv, bool nfcsram,
   int buswidth;
   int ret;
 
-  fvdbg("nfcsram=%d buffer=%p buflen=%d\n", nfcsram, buffer, (int)buflen);
-
-  /* Get the buswidth */
-
-  buswidth = nandmodel_getbuswidth(&priv->raw.model);
-
-  /* Pick the data source:  The NFC SRAM or the NAND data address */
-
-  if (nfcsram)
-    {
-      /* Source is NFC SRAM */
-
-      src = NFCSRAM_BASE;
-
-#ifdef CONFIG_SAMA5_NAND_DMA
-      /* Select NFC SRAM DMA */
+  fvdbg("buffer=%p buflen=%d offset=%d\n", buffer, buflen, offset);
 
-      dmaflags = (buswidth == 16 ? NFCSRAM_DMA_FLAGS16 : NFCSRAM_DMA_FLAGS8);
-#endif
-    }
-  else
-    {
-      /* Source is NFC NAND */
+  /* Get the data source:  NFC SRAM (perhaps with an offset)
+   * NOTE: We could use the address priv->raw.dataaddr if we want to
+   * bypass NFC SRAM.
+   */
 
-      src = priv->raw.dataaddr;
+  src = NFCSRAM_BASE + offset;
 
-#ifdef CONFIG_SAMA5_NAND_DMA
-      /* Select NAND DMA */
+  /* Get the buswidth */
 
-      dmaflags = (buswidth == 16 ? NAND_DMA_FLAGS16 : NAND_DMA_FLAGS8);
-#endif
-    }
+  buswidth = nandmodel_getbuswidth(&priv->raw.model);
 
 #ifdef CONFIG_SAMA5_NAND_DMA
   /* Then perform the transfer via memory-to-memory DMA or not, depending
    * on if we have a DMA channel assigned and if the transfer is
-   * sufficiently large.  Small DMAs (e.g., for spare data) are not peformed
+   * sufficiently large.  Small DMAs (e.g., for spare data) are not performed
    * because the DMA context switch can take more time that the DMA itself.
    */
 
   if (priv->dma && buflen > CONFIG_SAMA5_NAND_DMA_THRESHOLD)
     {
+      /* Select NFC SRAM DMA */
+
+      dmaflags = (buswidth == 16 ? NFCSRAM_DMA_FLAGS16 : NFCSRAM_DMA_FLAGS8);
+
       /* Transfer using DMA */
 
       ret = nand_dma_read(priv, src, (uintptr_t)buffer, buflen, dmaflags);
@@ -1616,23 +1540,9 @@ static int nand_read(struct sam_nandcs_s *priv, bool nfcsram,
 
   /* Transfer without DMA */
 
-  if (nfcsram)
     {
       ret = nand_nfcsram_read(src, buffer, buflen);
     }
-  else
-    {
-      /* Check the data bus width of the NAND FLASH */
-
-      if (buswidth == 16)
-        {
-          ret = nand_smc_read16(src, buffer, buflen);
-        }
-      else
-        {
-          ret = nand_smc_read8(src, buffer, buflen);
-        }
-    }
 
   nand_dump("NAND Read", buffer, buflen);
   return ret;
@@ -1724,9 +1634,11 @@ static int nand_read_pmecc(struct sam_nandcs_s *priv, off_t block,
       regval |= HSMC_PMECCFG_AUTO_ENABLE;
     }
 
-  regval |= HSMC_PMECCTRL_DATA;
   nand_putreg(SAM_HSMC_PMECCFG, regval);
 
+  /* Start the data phase and perform the transfer */
+
+  nand_putreg(SAM_HSMC_PMECCTRL, HSMC_PMECCTRL_DATA);
   nand_nfc_cleale(priv,
                   HSMC_ALE_COL_EN | HSMC_ALE_ROW_EN | HSMC_CLE_VCMD2_EN | HSMC_CLE_DATA_EN,
                   COMMAND_READ_1, COMMAND_READ_2, 0, rowaddr);
@@ -1739,18 +1651,20 @@ static int nand_read_pmecc(struct sam_nandcs_s *priv, off_t block,
 
   nand_putreg(SAM_HSMC_PMECCTRL, HSMC_PMECCTRL_DATA);
 
-  /* Read the data area */
+  /* Read the data area into the caller provided buffer (pagesize bytes) */
 
-  ret = nand_read(priv, true, (uint8_t *)data, pagesize);
+  ret = nand_read(priv, (uint8_t *)data, pagesize, 0);
   if (ret < 0)
     {
       fdbg("ERROR: nand_read for data region failed: %d\n", ret);
       return ret;
     }
 
-  /* Read the spare area into priv->raw.spare */
+  /* Read the spare area into priv->raw.spare.  The data to be read lies at
+   * offset pagesize in NFC SRAM.
+   */
 
-  ret = nand_read(priv, true, priv->raw.spare, priv->raw.model.sparesize);
+  ret = nand_read(priv, priv->raw.spare, priv->raw.model.sparesize, pagesize);
   if (ret < 0)
     {
       fdbg("ERROR: nand_read for spare region failed: %d\n", ret);
@@ -2044,7 +1958,7 @@ static int nand_readpage_noecc(struct sam_nandcs_s *priv, off_t block,
 
   if (data)
     {
-      ret = nand_read(priv, true, (uint8_t *)data, pagesize);
+      ret = nand_read(priv, (uint8_t *)data, pagesize, 0);
       if (ret < 0)
         {
           fdbg("ERROR: nand_read for data region failed: %d\n", ret);
@@ -2052,11 +1966,14 @@ static int nand_readpage_noecc(struct sam_nandcs_s *priv, off_t block,
         }
     }
 
-  /* Read the spare area if so requested */
+  /* Read the spare area if so requested.  Read NFS SRAM from offset 0 in any
+   * case because the coladdr was appropiately set above for the case where
+   * there is no data.
+   */
 
   if (spare)
     {
-      ret = nand_read(priv, true, (uint8_t *)spare, sparesize);
+      ret = nand_read(priv, (uint8_t *)spare, sparesize, 0);
       if (ret < 0)
         {
           fdbg("ERROR: nand_read for spare region failed: %d\n", ret);
@@ -3018,7 +2935,7 @@ struct mtd_dev_s *sam_nand_initialize(int cs)
     }
 
   /* Initialize the NAND hardware for this CS */
-  /* Perform board-specific SMC intialization for this CS.  This should include:
+  /* Perform board-specific SMC initialization for this CS.  This should include:
    *
    *   1. Enabling of clocking to the HSMC
    *   2. Configuration of timing for the HSMC NAND CS
diff --git a/nuttx/arch/arm/src/sama5/sam_ohci.c b/nuttx/arch/arm/src/sama5/sam_ohci.c
index b72774da0..84f9ac601 100644
--- a/nuttx/arch/arm/src/sama5/sam_ohci.c
+++ b/nuttx/arch/arm/src/sama5/sam_ohci.c
@@ -3089,7 +3089,7 @@ static void sam_disconnect(FAR struct usbhost_driver_s *drvr)
  *
  * Input Parameters:
  *   controller -- If the device supports more than one OHCI interface, then
- *     this identifies which controller is being intialized.  Normally, this
+ *     this identifies which controller is being initialized.  Normally, this
  *     is just zero.
  *
  * Returned Value:
diff --git a/nuttx/arch/arm/src/sama5/sam_pmecc.c b/nuttx/arch/arm/src/sama5/sam_pmecc.c
index 627cb6cce..80612863a 100644
--- a/nuttx/arch/arm/src/sama5/sam_pmecc.c
+++ b/nuttx/arch/arm/src/sama5/sam_pmecc.c
@@ -924,9 +924,9 @@ static int pmecc_pagelayout(uint16_t datasize, uint16_t eccsize)
           correctability512 = nsectors512 * g_correctability[bcherr512];
           correctability1K  = nsectors1k * g_correctability[bcherr1k];
 
-          /* Use 1K sectors unless we can do better with 512B sectors */
+          /* Use 512B sectors unless we can do better with 1K sectors */
 
-          if (correctability512 > correctability1K)
+          if (correctability512 >= correctability1K)
             {
               g_pmecc.sector1k = false;
               g_pmecc.nsectors = nsectors512;
diff --git a/nuttx/arch/arm/src/sama5/sam_rtc.c b/nuttx/arch/arm/src/sama5/sam_rtc.c
index 990b80f8c..e9221898d 100644
--- a/nuttx/arch/arm/src/sama5/sam_rtc.c
+++ b/nuttx/arch/arm/src/sama5/sam_rtc.c
@@ -380,7 +380,7 @@ int up_rtcinitialize(void)
  *   Get the current date and time from the date/time RTC.  This interface
  *   is only supported by the date/time RTC hardware implementation.
  *   It is used to replace the system timer.  It is only used by the RTOS during
- *   intialization to set up the system time when CONFIG_RTC and CONFIG_RTC_DATETIME
+ *   initialization to set up the system time when CONFIG_RTC and CONFIG_RTC_DATETIME
  *   are selected (and CONFIG_RTC_HIRES is not).
  *
  *   NOTE: Some date/time RTC hardware is capability of sub-second accuracy.  That
diff --git a/nuttx/arch/arm/src/sama5/sam_ssc.c b/nuttx/arch/arm/src/sama5/sam_ssc.c
index f578a8dee..f4fa4d3a4 100644
--- a/nuttx/arch/arm/src/sama5/sam_ssc.c
+++ b/nuttx/arch/arm/src/sama5/sam_ssc.c
@@ -879,7 +879,7 @@ static void ssc_buf_free(struct sam_ssc_s *priv, struct sam_buffer_s *bfcontaine
  *   None
  *
  * Assumptions:
- *   Called early in SSC intialization so that there are no issues with
+ *   Called early in SSC initialization so that there are no issues with
  *   concurrency.
  *
  ****************************************************************************/
diff --git a/nuttx/arch/arm/src/sama5/sam_usbhost.h b/nuttx/arch/arm/src/sama5/sam_usbhost.h
index 79e4c6c85..3f6d6424c 100644
--- a/nuttx/arch/arm/src/sama5/sam_usbhost.h
+++ b/nuttx/arch/arm/src/sama5/sam_usbhost.h
@@ -230,7 +230,7 @@ extern "C"
  *
  * Input Parameters:
  *   controller -- If the device supports more than one USB OHCI interface, then
- *     this identifies which controller is being intialized.  Normally, this
+ *     this identifies which controller is being initializeed.  Normally, this
  *     is just zero.
  *
  * Returned Value:
@@ -274,7 +274,7 @@ int sam_ohci_tophalf(int irq, FAR void *context);
  *
  * Input Parameters:
  *   controller -- If the device supports more than one EHCI interface, then
- *     this identifies which controller is being intialized.  Normally, this
+ *     this identifies which controller is being initializeed.  Normally, this
  *     is just zero.
  *
  * Returned Value:
diff --git a/nuttx/arch/arm/src/sama5/sam_wdt.c b/nuttx/arch/arm/src/sama5/sam_wdt.c
index e8e61b11d..8d8d10dcd 100644
--- a/nuttx/arch/arm/src/sama5/sam_wdt.c
+++ b/nuttx/arch/arm/src/sama5/sam_wdt.c
@@ -649,7 +649,7 @@ static int sam_ioctl(FAR struct watchdog_lowerhalf_s *lower, int cmd,
  * Name: up_wdginitialize
  *
  * Description:
- *   Initialize the WDT watchdog time.  The watchdog timer is intialized and
+ *   Initialize the WDT watchdog time.  The watchdog timer is initialized and
  *   registered as 'devpath.  The initial state of the watchdog time is
  *   disabled.
  *
diff --git a/nuttx/arch/arm/src/stm32/stm32_iwdg.c b/nuttx/arch/arm/src/stm32/stm32_iwdg.c
index 6b4bc5b65..e81f93949 100644
--- a/nuttx/arch/arm/src/stm32/stm32_iwdg.c
+++ b/nuttx/arch/arm/src/stm32/stm32_iwdg.c
@@ -641,7 +641,7 @@ static int stm32_settimeout(FAR struct watchdog_lowerhalf_s *lower,
  * Name: stm32_iwdginitialize
  *
  * Description:
- *   Initialize the IWDG watchdog time.  The watchdog timer is intialized and
+ *   Initialize the IWDG watchdog time.  The watchdog timer is initialized and
  *   registers as 'devpath.  The initial state of the watchdog time is
  *   disabled.
  *
diff --git a/nuttx/arch/arm/src/stm32/stm32_otgfs.h b/nuttx/arch/arm/src/stm32/stm32_otgfs.h
index d7452bc47..658fe67a1 100644
--- a/nuttx/arch/arm/src/stm32/stm32_otgfs.h
+++ b/nuttx/arch/arm/src/stm32/stm32_otgfs.h
@@ -81,7 +81,7 @@ extern "C"
  *
  * Input Parameters:
  *   controller -- If the device supports more than USB host controller, then
- *     this identifies which controller is being intialized.  Normally, this
+ *     this identifies which controller is being initializeed.  Normally, this
  *     is just zero.
  *
  * Returned Value:
diff --git a/nuttx/arch/arm/src/stm32/stm32_otgfshost.c b/nuttx/arch/arm/src/stm32/stm32_otgfshost.c
index 68cfe7fca..7392db2c7 100644
--- a/nuttx/arch/arm/src/stm32/stm32_otgfshost.c
+++ b/nuttx/arch/arm/src/stm32/stm32_otgfshost.c
@@ -4255,7 +4255,7 @@ static inline int stm32_hw_initialize(FAR struct stm32_usbhost_s *priv)
  *
  * Input Parameters:
  *   controller -- If the device supports more than USB host controller, then
- *     this identifies which controller is being intialized.  Normally, this
+ *     this identifies which controller is being initialized.  Normally, this
  *     is just zero.
  *
  * Returned Value:
diff --git a/nuttx/arch/arm/src/stm32/stm32_pminitialize.c b/nuttx/arch/arm/src/stm32/stm32_pminitialize.c
index a1f44a7f4..e9b6d4780 100644
--- a/nuttx/arch/arm/src/stm32/stm32_pminitialize.c
+++ b/nuttx/arch/arm/src/stm32/stm32_pminitialize.c
@@ -72,7 +72,7 @@
  * Description:
  *   This function is called by MCU-specific logic at power-on reset in
  *   order to provide one-time initialization the power management subystem.
- *   This function must be called *very* early in the intialization sequence
+ *   This function must be called *very* early in the initialization sequence
  *   *before* any other device drivers are initialized (since they may
  *   attempt to register with the power management subsystem).
  *
diff --git a/nuttx/arch/arm/src/stm32/stm32_rtcc.c b/nuttx/arch/arm/src/stm32/stm32_rtcc.c
index e9e71a007..63af2f374 100644
--- a/nuttx/arch/arm/src/stm32/stm32_rtcc.c
+++ b/nuttx/arch/arm/src/stm32/stm32_rtcc.c
@@ -644,7 +644,7 @@ int up_rtcinitialize(void)
  *   Get the current date and time from the date/time RTC.  This interface
  *   is only supported by the date/time RTC hardware implementation.
  *   It is used to replace the system timer.  It is only used by the RTOS during
- *   intialization to set up the system time when CONFIG_RTC and CONFIG_RTC_DATETIME
+ *   initialization to set up the system time when CONFIG_RTC and CONFIG_RTC_DATETIME
  *   are selected (and CONFIG_RTC_HIRES is not).
  *
  *   NOTE: Some date/time RTC hardware is capability of sub-second accuracy.  That
diff --git a/nuttx/arch/arm/src/stm32/stm32_rtcounter.c b/nuttx/arch/arm/src/stm32/stm32_rtcounter.c
index 251398c80..0238582e4 100644
--- a/nuttx/arch/arm/src/stm32/stm32_rtcounter.c
+++ b/nuttx/arch/arm/src/stm32/stm32_rtcounter.c
@@ -413,7 +413,7 @@ int up_rtcinitialize(void)
  *   Get the current time in seconds.  This is similar to the standard time()
  *   function.  This interface is only required if the low-resolution RTC/counter
  *   hardware implementation selected.  It is only used by the RTOS during
- *   intialization to set up the system time when CONFIG_RTC is set but neither
+ *   initialization to set up the system time when CONFIG_RTC is set but neither
  *   CONFIG_RTC_HIRES nor CONFIG_RTC_DATETIME are set.
  *
  * Input Parameters:
diff --git a/nuttx/arch/arm/src/stm32/stm32_start.c b/nuttx/arch/arm/src/stm32/stm32_start.c
index 95c1b0145..689fcc215 100644
--- a/nuttx/arch/arm/src/stm32/stm32_start.c
+++ b/nuttx/arch/arm/src/stm32/stm32_start.c
@@ -254,7 +254,7 @@ void __start(void)
 
   showprogress('B');
 
-  /* Move the intialized data section from his temporary holding spot in
+  /* Move the initialized data section from his temporary holding spot in
    * FLASH into the correct place in SRAM.  The correct place in SRAM is
    * give by _sdata and _edata.  The temporary location is in FLASH at the
    * end of all of the other read-only data (.text, .rodata) at _eronly.
diff --git a/nuttx/arch/arm/src/stm32/stm32_wdg.h b/nuttx/arch/arm/src/stm32/stm32_wdg.h
index fbb8128b5..e90a669c1 100644
--- a/nuttx/arch/arm/src/stm32/stm32_wdg.h
+++ b/nuttx/arch/arm/src/stm32/stm32_wdg.h
@@ -69,7 +69,7 @@ extern "C" {
  * Name: stm32_iwdginitialize
  *
  * Description:
- *   Initialize the IWDG watchdog time.  The watchdog timer is intialized and
+ *   Initialize the IWDG watchdog time.  The watchdog timer is initializeed and
  *   registers as 'devpath.  The initial state of the watchdog time is
  *   disabled.
  *
@@ -91,7 +91,7 @@ EXTERN void stm32_iwdginitialize(FAR const char *devpath, uint32_t lsifreq);
  * Name: stm32_wwdginitialize
  *
  * Description:
- *   Initialize the WWDG watchdog time.  The watchdog timer is intialized and
+ *   Initialize the WWDG watchdog time.  The watchdog timer is initializeed and
  *   registers as 'devpath.  The initial state of the watchdog time is
  *   disabled.
  *
diff --git a/nuttx/arch/arm/src/stm32/stm32_wwdg.c b/nuttx/arch/arm/src/stm32/stm32_wwdg.c
index ed3721cfe..dc6967215 100644
--- a/nuttx/arch/arm/src/stm32/stm32_wwdg.c
+++ b/nuttx/arch/arm/src/stm32/stm32_wwdg.c
@@ -742,7 +742,7 @@ static int stm32_ioctl(FAR struct watchdog_lowerhalf_s *lower, int cmd,
  * Name: stm32_wwdginitialize
  *
  * Description:
- *   Initialize the WWDG watchdog time.  The watchdog timer is intialized and
+ *   Initialize the WWDG watchdog time.  The watchdog timer is initialized and
  *   registers as 'devpath.  The initial state of the watchdog time is
  *   disabled.
  *
diff --git a/nuttx/arch/arm/src/str71x/str71x_decodeirq.c b/nuttx/arch/arm/src/str71x/str71x_decodeirq.c
index da7b5a48e..e3d11454c 100644
--- a/nuttx/arch/arm/src/str71x/str71x_decodeirq.c
+++ b/nuttx/arch/arm/src/str71x/str71x_decodeirq.c
@@ -80,7 +80,7 @@
  * up_decodeirq()
  *
  * Description:
- *   Read the IRQ number from the IVR register.  During intialization, the IVR
+ *   Read the IRQ number from the IVR register.  During initialization, the IVR
  *   register was set to zero.  Each SIR[n] register was programmed to contain
  *   the IRQ number.  At IRQ processing time (when this function run), the IVR
  *   should contain the desired IRQ number.
diff --git a/nuttx/arch/arm/src/str71x/str71x_head.S b/nuttx/arch/arm/src/str71x/str71x_head.S
index 710fd57a5..62951c98a 100644
--- a/nuttx/arch/arm/src/str71x/str71x_head.S
+++ b/nuttx/arch/arm/src/str71x/str71x_head.S
@@ -336,7 +336,7 @@ eicloop:
 	add	\irqno, \irqno, #1
 
 	/* Continue to loop until all of the SIR registers have been
-	 * intialized.
+	 * initializeed.
 	 */
 
 	cmp	\irqno, #STR71X_EIC_NCHANNELS
diff --git a/nuttx/arch/avr/src/at32uc3/at32uc3_internal.h b/nuttx/arch/avr/src/at32uc3/at32uc3_internal.h
index 57d52a288..1601bd063 100644
--- a/nuttx/arch/avr/src/at32uc3/at32uc3_internal.h
+++ b/nuttx/arch/avr/src/at32uc3/at32uc3_internal.h
@@ -210,7 +210,7 @@ void usart_configure(uintptr_t usart_base, uint32_t baud, unsigned int parity,
  *
  * Description:
  *   Initialize a console for debug output.  This function is called very
- *   early in the intialization sequence to configure the serial console
+ *   early in the initializeation sequence to configure the serial console
  *   uart (only).
  *
  ****************************************************************************/
diff --git a/nuttx/arch/avr/src/at32uc3/at32uc3_lowconsole.c b/nuttx/arch/avr/src/at32uc3/at32uc3_lowconsole.c
index 2fb04a1ca..509d389af 100644
--- a/nuttx/arch/avr/src/at32uc3/at32uc3_lowconsole.c
+++ b/nuttx/arch/avr/src/at32uc3/at32uc3_lowconsole.c
@@ -295,7 +295,7 @@ void usart_configure(uintptr_t usart_base, uint32_t baud, unsigned int parity,
  *
  * Description:
  *   Initialize a console for debug output.  This function is called very
- *   early in the intialization sequence to configure the serial console uart
+ *   early in the initialization sequence to configure the serial console uart
  *   (only).
  *
  ******************************************************************************/
diff --git a/nuttx/arch/avr/src/at90usb/at90usb_internal.h b/nuttx/arch/avr/src/at90usb/at90usb_internal.h
index 329f3ce4a..8e4dfc0e6 100644
--- a/nuttx/arch/avr/src/at90usb/at90usb_internal.h
+++ b/nuttx/arch/avr/src/at90usb/at90usb_internal.h
@@ -115,7 +115,7 @@ EXTERN void usart1_configure(void);
  *
  * Description:
  *   Initialize a console for debug output.  This function is called very
- *   early in the intialization sequence to configure the serial console
+ *   early in the initializeation sequence to configure the serial console
  *   uart (only).
  *
  ****************************************************************************/
diff --git a/nuttx/arch/avr/src/at90usb/at90usb_lowconsole.c b/nuttx/arch/avr/src/at90usb/at90usb_lowconsole.c
index d29f9a832..64fd50fe1 100644
--- a/nuttx/arch/avr/src/at90usb/at90usb_lowconsole.c
+++ b/nuttx/arch/avr/src/at90usb/at90usb_lowconsole.c
@@ -254,7 +254,7 @@ void usart1_configure(void)
  *
  * Description:
  *   Initialize a console for debug output.  This function is called very
- *   early in the intialization sequence to configure the serial console uart
+ *   early in the initialization sequence to configure the serial console uart
  *   (only).
  *
  ******************************************************************************/
diff --git a/nuttx/arch/avr/src/atmega/atmega_internal.h b/nuttx/arch/avr/src/atmega/atmega_internal.h
index 4a51661a7..007b42425 100644
--- a/nuttx/arch/avr/src/atmega/atmega_internal.h
+++ b/nuttx/arch/avr/src/atmega/atmega_internal.h
@@ -117,7 +117,7 @@ EXTERN void usart1_configure(void);
  *
  * Description:
  *   Initialize a console for debug output.  This function is called very
- *   early in the intialization sequence to configure the serial console
+ *   early in the initializeation sequence to configure the serial console
  *   uart (only).
  *
  ****************************************************************************/
diff --git a/nuttx/arch/avr/src/atmega/atmega_lowconsole.c b/nuttx/arch/avr/src/atmega/atmega_lowconsole.c
index 9a03c56a4..ccf56dc33 100644
--- a/nuttx/arch/avr/src/atmega/atmega_lowconsole.c
+++ b/nuttx/arch/avr/src/atmega/atmega_lowconsole.c
@@ -413,7 +413,7 @@ void usart1_configure(void)
  *
  * Description:
  *   Initialize a console for debug output.  This function is called very
- *   early in the intialization sequence to configure the serial console uart
+ *   early in the initialization sequence to configure the serial console uart
  *   (only).
  *
  ******************************************************************************/
diff --git a/nuttx/arch/mips/src/pic32mx/pic32mx-lowconsole.c b/nuttx/arch/mips/src/pic32mx/pic32mx-lowconsole.c
index ba1a01285..f7598988a 100644
--- a/nuttx/arch/mips/src/pic32mx/pic32mx-lowconsole.c
+++ b/nuttx/arch/mips/src/pic32mx/pic32mx-lowconsole.c
@@ -321,7 +321,7 @@ void pic32mx_uartconfigure(uintptr_t uart_base, uint32_t baudrate,
  *
  * Description:
  *   Initialize a low-level console for debug output.  This function is called
- *   very early in the intialization sequence to configure the serial console
+ *   very early in the initialization sequence to configure the serial console
  *   UART (only).
  *
  ******************************************************************************/
diff --git a/nuttx/arch/mips/src/pic32mx/pic32mx-usbdev.c b/nuttx/arch/mips/src/pic32mx/pic32mx-usbdev.c
index ed90edac3..748ab01a7 100644
--- a/nuttx/arch/mips/src/pic32mx/pic32mx-usbdev.c
+++ b/nuttx/arch/mips/src/pic32mx/pic32mx-usbdev.c
@@ -4283,7 +4283,7 @@ void up_usbinitialize(void)
 
   pic32mx_stateinit(priv);
 
-  /* Then perform a few one-time intialization operstions.  First, initialize
+  /* Then perform a few one-time initialization operstions.  First, initialize
    * the watchdog timer that is used to perform a delayed queue restart
    * after recovering from a stall.
    */
diff --git a/nuttx/arch/rgmp/src/nuttx.c b/nuttx/arch/rgmp/src/nuttx.c
index e96317621..a154ea34a 100644
--- a/nuttx/arch/rgmp/src/nuttx.c
+++ b/nuttx/arch/rgmp/src/nuttx.c
@@ -84,7 +84,7 @@ void up_initialize(void)
     extern void vdev_init(void);
     extern void nuttx_arch_init(void);
 
-    // intialize the current_task to g_idletcb
+    // initialize the current_task to g_idletcb
     current_task = g_pidhash[PIDHASH(0)].tcb;
 
     // OS memory alloc system is ready
diff --git a/nuttx/arch/x86/src/qemu/qemu_internal.h b/nuttx/arch/x86/src/qemu/qemu_internal.h
index e324f9be8..a1a289f12 100644
--- a/nuttx/arch/x86/src/qemu/qemu_internal.h
+++ b/nuttx/arch/x86/src/qemu/qemu_internal.h
@@ -386,7 +386,7 @@ EXTERN void i486_dmadump(DMA_HANDLE handle, const struct i486_dmaregs_s *regs,
  * Description:
  *   These are the various ISR/IRQ vector address exported from
  *   qemu_vectors.S.  These addresses need to have global scope so that they
- *   can be known to the interrupt intialization logic in qemu_irq.c.
+ *   can be known to the interrupt initializeation logic in qemu_irq.c.
  *
  ****************************************************************************/
 
diff --git a/nuttx/arch/z80/src/ez80/ez80_startup.asm b/nuttx/arch/z80/src/ez80/ez80_startup.asm
index d52795d63..af1739813 100644
--- a/nuttx/arch/z80/src/ez80/ez80_startup.asm
+++ b/nuttx/arch/z80/src/ez80/ez80_startup.asm
@@ -139,7 +139,7 @@ _ez80_datadone:
 	ldir				; Copy the code section
 _ez80_codedone:
 
-	; Perform board-specific intialization
+	; Perform board-specific initializeation
 
 	call	_ez80_lowinit
 
diff --git a/nuttx/configs/lm3s6432-s2e/nsh/defconfig b/nuttx/configs/lm3s6432-s2e/nsh/defconfig
index 31616a2cd..d2ba2451b 100644
--- a/nuttx/configs/lm3s6432-s2e/nsh/defconfig
+++ b/nuttx/configs/lm3s6432-s2e/nsh/defconfig
@@ -340,7 +340,7 @@ CONFIG_NSH_MMCSDMINOR=0
 #
 # Stack and heap information
 #
-CONFIG_BOOT_RUNFROMFLASH=n
+CONFIG_BOOT_RUNFROMFLASH=y
 CONFIG_BOOT_COPYTORAM=n
 CONFIG_CUSTOM_STACK=n
 CONFIG_IDLETHREAD_STACKSIZE=1024
diff --git a/nuttx/configs/lm3s6432-s2e/ostest/defconfig b/nuttx/configs/lm3s6432-s2e/ostest/defconfig
index 7921f6c45..1fdec01a8 100644
--- a/nuttx/configs/lm3s6432-s2e/ostest/defconfig
+++ b/nuttx/configs/lm3s6432-s2e/ostest/defconfig
@@ -337,7 +337,7 @@ CONFIG_NSH_MMCSDMINOR=0
 #
 # Stack and heap information
 #
-CONFIG_BOOT_RUNFROMFLASH=n
+CONFIG_BOOT_RUNFROMFLASH=y
 CONFIG_BOOT_COPYTORAM=n
 CONFIG_CUSTOM_STACK=n
 CONFIG_IDLETHREAD_STACKSIZE=1024
diff --git a/nuttx/configs/lm3s8962-ek/nsh/defconfig b/nuttx/configs/lm3s8962-ek/nsh/defconfig
index 831fc138f..838572204 100755
--- a/nuttx/configs/lm3s8962-ek/nsh/defconfig
+++ b/nuttx/configs/lm3s8962-ek/nsh/defconfig
@@ -339,7 +339,7 @@ CONFIG_NSH_MMCSDMINOR=0
 #
 # Stack and heap information
 #
-CONFIG_BOOT_RUNFROMFLASH=n
+CONFIG_BOOT_RUNFROMFLASH=y
 CONFIG_BOOT_COPYTORAM=n
 CONFIG_CUSTOM_STACK=n
 CONFIG_IDLETHREAD_STACKSIZE=1024
diff --git a/nuttx/configs/lm3s8962-ek/nx/defconfig b/nuttx/configs/lm3s8962-ek/nx/defconfig
index 2cd6096e3..9410ba09e 100755
--- a/nuttx/configs/lm3s8962-ek/nx/defconfig
+++ b/nuttx/configs/lm3s8962-ek/nx/defconfig
@@ -406,7 +406,7 @@ CONFIG_EXAMPLES_NX_EXTERNINIT=y
 #
 # Stack and heap information
 #
-CONFIG_BOOT_RUNFROMFLASH=n
+CONFIG_BOOT_RUNFROMFLASH=y
 CONFIG_BOOT_COPYTORAM=n
 CONFIG_CUSTOM_STACK=n
 CONFIG_IDLETHREAD_STACKSIZE=1024
diff --git a/nuttx/configs/lm3s8962-ek/ostest/defconfig b/nuttx/configs/lm3s8962-ek/ostest/defconfig
index 6b72548dd..f81ad23a7 100755
--- a/nuttx/configs/lm3s8962-ek/ostest/defconfig
+++ b/nuttx/configs/lm3s8962-ek/ostest/defconfig
@@ -336,7 +336,7 @@ CONFIG_NSH_MMCSDMINOR=0
 #
 # Stack and heap information
 #
-CONFIG_BOOT_RUNFROMFLASH=n
+CONFIG_BOOT_RUNFROMFLASH=y
 CONFIG_BOOT_COPYTORAM=n
 CONFIG_CUSTOM_STACK=n
 CONFIG_IDLETHREAD_STACKSIZE=1024
diff --git a/nuttx/configs/lpcxpresso-lpc1768/README.txt b/nuttx/configs/lpcxpresso-lpc1768/README.txt
index 0dbabcc1c..dd7a6d495 100644
--- a/nuttx/configs/lpcxpresso-lpc1768/README.txt
+++ b/nuttx/configs/lpcxpresso-lpc1768/README.txt
@@ -516,7 +516,7 @@ LEDs
   - The LED is not illuminated until the LPCXpresso completes initialization.
   
     If the LED is stuck in the OFF state, this means that the LPCXpresso did not 
-    complete intialization.
+    complete initializeation.
 
   - Each time the OS enters an interrupt (or a signal) it will turn the LED OFF and
     restores its previous stated upon return from the interrupt (or signal).
diff --git a/nuttx/configs/mikroe-stm32f4/src/up_pm.c b/nuttx/configs/mikroe-stm32f4/src/up_pm.c
index dc3985f6d..ff9d5bd8f 100644
--- a/nuttx/configs/mikroe-stm32f4/src/up_pm.c
+++ b/nuttx/configs/mikroe-stm32f4/src/up_pm.c
@@ -75,7 +75,7 @@
  * Description:
  *   This function is called by MCU-specific logic at power-on reset in
  *   order to provide one-time initialization the power management subystem.
- *   This function must be called *very* early in the intialization sequence
+ *   This function must be called *very* early in the initializeation sequence
  *   *before* any other device drivers are initialized (since they may
  *   attempt to register with the power management subsystem).
  *
diff --git a/nuttx/configs/mirtoo/README.txt b/nuttx/configs/mirtoo/README.txt
index d7589764a..e28246de2 100644
--- a/nuttx/configs/mirtoo/README.txt
+++ b/nuttx/configs/mirtoo/README.txt
@@ -585,7 +585,7 @@ Analog Input
 
   When CONFIG_PIC32MX_ADC=y is defined, the Mirtoo boot up logic will
   automatically configure pin 18 (AN0) as an analog input (see configs/mirtoo/src/up_adc.c).
-  To intialize and use the PGA117, you to add logic something like the
+  To initializee and use the PGA117, you to add logic something like the
   following in your application code:
 
   #include <nuttx/spi/spi.h>
diff --git a/nuttx/configs/sama5d3x-ek/README.txt b/nuttx/configs/sama5d3x-ek/README.txt
index 7904a6c91..6a3743bab 100644
--- a/nuttx/configs/sama5d3x-ek/README.txt
+++ b/nuttx/configs/sama5d3x-ek/README.txt
@@ -2629,7 +2629,7 @@ Configurations
     in the nsh configuration:
 
     4. SDRAM is supported.  .data and .bss is still retained in ISRAM, but
-       SDRAM is intialized and the SDRAM memory is included in the heap.
+       SDRAM is initializeed and the SDRAM memory is included in the heap.
        Relevant configuration settings are provided in the paragraph entitled
        "SDRAM Support" above.
 
@@ -2762,7 +2762,7 @@ Configurations
        However, no built-in applications are selected in the base configuration.
 
     5. This configuration has support for the FAT file system built in.  However,
-       by default, there are no block drivers intialized.  The FAT file system can
+       by default, there are no block drivers initializeed.  The FAT file system can
        still be used to create RAM disks.
 
     6. SDRAM support can be enabled by modifying your NuttX configuration as
diff --git a/nuttx/configs/sama5d3x-ek/src/sam_at24.c b/nuttx/configs/sama5d3x-ek/src/sam_at24.c
index 7efe93f6a..fe1722f07 100644
--- a/nuttx/configs/sama5d3x-ek/src/sam_at24.c
+++ b/nuttx/configs/sama5d3x-ek/src/sam_at24.c
@@ -152,7 +152,7 @@ int sam_at24_automount(int minor)
           return ret;
         }
 #endif
-      /* Now we are intialized */
+      /* Now we are initializeed */
 
       initialized = true;
     }
diff --git a/nuttx/configs/sama5d3x-ek/src/sam_at25.c b/nuttx/configs/sama5d3x-ek/src/sam_at25.c
index 2be9a3bb1..52ee4e14b 100644
--- a/nuttx/configs/sama5d3x-ek/src/sam_at25.c
+++ b/nuttx/configs/sama5d3x-ek/src/sam_at25.c
@@ -129,7 +129,7 @@ int sam_at25_automount(int minor)
           return ret;
         }
 #endif
-      /* Now we are intialized */
+      /* Now we are initializeed */
 
       initialized = true;
     }
diff --git a/nuttx/configs/sama5d3x-ek/src/sam_nandflash.c b/nuttx/configs/sama5d3x-ek/src/sam_nandflash.c
index e8276dc2a..a597f0d55 100644
--- a/nuttx/configs/sama5d3x-ek/src/sam_nandflash.c
+++ b/nuttx/configs/sama5d3x-ek/src/sam_nandflash.c
@@ -219,7 +219,7 @@ int sam_nand_automount(int minor)
           return ret;
         }
 #endif
-      /* Now we are intialized */
+      /* Now we are initializeed */
 
       initialized = true;
     }
diff --git a/nuttx/configs/shenzhou/src/up_ili93xx.c b/nuttx/configs/shenzhou/src/up_ili93xx.c
index 3a37b4f40..be56a6d66 100644
--- a/nuttx/configs/shenzhou/src/up_ili93xx.c
+++ b/nuttx/configs/shenzhou/src/up_ili93xx.c
@@ -1784,7 +1784,7 @@ static inline int stm32_lcdinitialize(FAR struct stm32_dev_s *priv)
   stm32_lcdoutput(priv);
   up_mdelay(10);
 
-  /* Intialize the LCD hardware */
+  /* Initialize the LCD hardware */
 
 #ifndef CONFIG_STM32_ILI9300_DISABLE
   if (id == ILI9300_ID)
diff --git a/nuttx/configs/sim/README.txt b/nuttx/configs/sim/README.txt
index 1d49a3b15..00ad2dcdf 100644
--- a/nuttx/configs/sim/README.txt
+++ b/nuttx/configs/sim/README.txt
@@ -452,7 +452,7 @@ nx11
   2. You must first up_fbinitialize() before calling up_simtouchscreen()
      or you will get a crash.
 
-  3. Call sim_tcuninintialize() when you are finished with the
+  3. Call sim_tcunininitializee() when you are finished with the
      simulated touchscreen.
 
   4. Enable CONFIG_DEBUG_INPUT=y for touchscreen debug output.
diff --git a/nuttx/configs/stm3210e-eval/src/up_pm.c b/nuttx/configs/stm3210e-eval/src/up_pm.c
index 3aa60bf5a..29c5f12ff 100644
--- a/nuttx/configs/stm3210e-eval/src/up_pm.c
+++ b/nuttx/configs/stm3210e-eval/src/up_pm.c
@@ -75,7 +75,7 @@
  * Description:
  *   This function is called by MCU-specific logic at power-on reset in
  *   order to provide one-time initialization the power management subystem.
- *   This function must be called *very* early in the intialization sequence
+ *   This function must be called *very* early in the initializeation sequence
  *   *before* any other device drivers are initialized (since they may
  *   attempt to register with the power management subsystem).
  *
diff --git a/nuttx/configs/stm32f4discovery/src/up_pm.c b/nuttx/configs/stm32f4discovery/src/up_pm.c
index 3ee0675cb..c7bf35f29 100644
--- a/nuttx/configs/stm32f4discovery/src/up_pm.c
+++ b/nuttx/configs/stm32f4discovery/src/up_pm.c
@@ -75,7 +75,7 @@
  * Description:
  *   This function is called by MCU-specific logic at power-on reset in
  *   order to provide one-time initialization the power management subystem.
- *   This function must be called *very* early in the intialization sequence
+ *   This function must be called *very* early in the initializeation sequence
  *   *before* any other device drivers are initialized (since they may
  *   attempt to register with the power management subsystem).
  *
diff --git a/nuttx/configs/twr-k60n512/README.txt b/nuttx/configs/twr-k60n512/README.txt
index 23c558fa8..1072dc4fc 100644
--- a/nuttx/configs/twr-k60n512/README.txt
+++ b/nuttx/configs/twr-k60n512/README.txt
@@ -725,4 +725,4 @@ Where <subdir> is one of the following:
 
       CONFIG_SCHED_WORKQUEUE=y             : Enable the NuttX workqueue
 
-      CONFIG_NSH_ARCHINIT=y                : Provide NSH intialization logic
+      CONFIG_NSH_ARCHINIT=y                : Provide NSH initializeation logic
diff --git a/nuttx/configs/zkit-arm-1769/README.txt b/nuttx/configs/zkit-arm-1769/README.txt
index 37e1e5f64..a50e6d3af 100644
--- a/nuttx/configs/zkit-arm-1769/README.txt
+++ b/nuttx/configs/zkit-arm-1769/README.txt
@@ -316,7 +316,7 @@ LEDs
   - The LED is not illuminated until the ZKit-ARM completes initialization.
 
     If the LED is stuck in the OFF state, this means that the ZKit-ARM did not
-    complete intialization.
+    complete initializeation.
 
   - Each time the OS enters an interrupt (or a signal) it will turn the LED OFF and
     restores its previous stated upon return from the interrupt (or signal).
diff --git a/nuttx/drivers/power/max1704x.c b/nuttx/drivers/power/max1704x.c
index ec50515e6..8c48c6b5a 100644
--- a/nuttx/drivers/power/max1704x.c
+++ b/nuttx/drivers/power/max1704x.c
@@ -516,7 +516,7 @@ static int max1704x_capacity(struct battery_dev_s *dev, b16_t *value)
  *   frequency - The I2C frequency
  *
  * Returned Value:
- *   A pointer to the intialized lower-half driver instance.  A NULL pointer
+ *   A pointer to the initializeed lower-half driver instance.  A NULL pointer
  *   is returned on a failure to initialize the MAX1704x lower half.
  *
  ****************************************************************************/
diff --git a/nuttx/drivers/power/pm_initialize.c b/nuttx/drivers/power/pm_initialize.c
index 9401fba9e..b4f745877 100644
--- a/nuttx/drivers/power/pm_initialize.c
+++ b/nuttx/drivers/power/pm_initialize.c
@@ -85,7 +85,7 @@ struct pm_global_s g_pmglobals;
  * Description:
  *   This function is called by MCU-specific one-time at power on reset in
  *   order to initialize the power management capabilities.  This function
- *   must be called *very* early in the intialization sequence *before* any
+ *   must be called *very* early in the initializeation sequence *before* any
  *   other device drivers are initialize (since they may attempt to register
  *   with the power management subsystem).
  *
diff --git a/nuttx/drivers/usbhost/usbhost_storage.c b/nuttx/drivers/usbhost/usbhost_storage.c
index e0d662286..7c57371ee 100644
--- a/nuttx/drivers/usbhost/usbhost_storage.c
+++ b/nuttx/drivers/usbhost/usbhost_storage.c
@@ -1605,7 +1605,7 @@ static FAR struct usbmsc_cbw_s *usbhost_cbwalloc(FAR struct usbhost_state_s *pri
 
   DEBUGASSERT(priv->tbuffer && priv->tbuflen >= sizeof(struct usbmsc_cbw_s))
 
-  /* Intialize the CBW sructure */
+  /* Initialize the CBW sructure */
 
   cbw = (FAR struct usbmsc_cbw_s *)priv->tbuffer;
   memset(cbw, 0, sizeof(struct usbmsc_cbw_s));
diff --git a/nuttx/fs/fs_syslog.c b/nuttx/fs/fs_syslog.c
index d9ad29e0f..0e1a80ec8 100644
--- a/nuttx/fs/fs_syslog.c
+++ b/nuttx/fs/fs_syslog.c
@@ -445,7 +445,7 @@ int syslog_putc(int ch)
         {
           /* Try again to initialize the device.  We may do this repeatedly
            * because the log device might be something that was not ready
-           * the first time that syslog_intialize() was called (such as a
+           * the first time that syslog_initializee() was called (such as a
            * USB serial device that has not yet been connected or a file in
            * an NFS mounted file system that has not yet been mounted).
            */
diff --git a/nuttx/include/nuttx/power/battery.h b/nuttx/include/nuttx/power/battery.h
index 5c341789f..43b5cb903 100644
--- a/nuttx/include/nuttx/power/battery.h
+++ b/nuttx/include/nuttx/power/battery.h
@@ -195,7 +195,7 @@ EXTERN int battery_register(FAR const char *devpath,
  *   frequency - The I2C frequency
  *
  * Returned Value:
- *   A pointer to the intialized battery driver instance.  A NULL pointer
+ *   A pointer to the initializeed battery driver instance.  A NULL pointer
  *   is returned on a failure to initialize the MAX1704x lower half.
  *
  ****************************************************************************/
diff --git a/nuttx/include/nuttx/power/pm.h b/nuttx/include/nuttx/power/pm.h
index 9c0568b2d..22f46cecc 100644
--- a/nuttx/include/nuttx/power/pm.h
+++ b/nuttx/include/nuttx/power/pm.h
@@ -337,7 +337,7 @@ extern "C" {
  * Description:
  *   This function is called by MCU-specific logic at power-on reset in
  *   order to provide one-time initialization the power management subystem.
- *   This function must be called *very* early in the intialization sequence
+ *   This function must be called *very* early in the initializeation sequence
  *   *before* any other device drivers are initialized (since they may
  *   attempt to register with the power management subsystem).
  *
diff --git a/nuttx/include/nuttx/rtc.h b/nuttx/include/nuttx/rtc.h
index 85dea1b4d..28ae84513 100644
--- a/nuttx/include/nuttx/rtc.h
+++ b/nuttx/include/nuttx/rtc.h
@@ -159,7 +159,7 @@ EXTERN int up_rtcinitialize(void);
  *   Get the current time in seconds.  This is similar to the standard time()
  *   function.  This interface is only required if the low-resolution RTC/counter
  *   hardware implementation selected.  It is only used by the RTOS during
- *   intialization to set up the system time when CONFIG_RTC is set but neither
+ *   initializeation to set up the system time when CONFIG_RTC is set but neither
  *   CONFIG_RTC_HIRES nor CONFIG_RTC_DATETIME are set.
  *
  * Input Parameters:
@@ -201,7 +201,7 @@ EXTERN int up_rtc_gettime(FAR struct timespec *tp);
  *   Get the current date and time from the date/time RTC.  This interface
  *   is only supported by the date/time RTC hardware implementation.
  *   It is used to replace the system timer.  It is only used by the RTOS during
- *   intialization to set up the system time when CONFIG_RTC and CONFIG_RTC_DATETIME
+ *   initializeation to set up the system time when CONFIG_RTC and CONFIG_RTC_DATETIME
  *   are selected (and CONFIG_RTC_HIRES is not).
  *
  *   NOTE: Some date/time RTC hardware is capability of sub-second accuracy.  That
diff --git a/nuttx/libc/misc/lib_init.c b/nuttx/libc/misc/lib_init.c
index b120b5084..08c954c79 100644
--- a/nuttx/libc/misc/lib_init.c
+++ b/nuttx/libc/misc/lib_init.c
@@ -83,7 +83,7 @@ void weak_const_function lib_initialize(void)
 
 #if CONFIG_NFILE_STREAMS > 0
 /* The following function is called when a new task is allocated.  It
- * intializes the streamlist instance that is stored in the task group.
+ * initializees the streamlist instance that is stored in the task group.
  */
 
 void lib_streaminit(FAR struct streamlist *list)
diff --git a/nuttx/libc/spawn/lib_psfa_destroy.c b/nuttx/libc/spawn/lib_psfa_destroy.c
index d80dbd978..9bbc3d906 100644
--- a/nuttx/libc/spawn/lib_psfa_destroy.c
+++ b/nuttx/libc/spawn/lib_psfa_destroy.c
@@ -56,7 +56,7 @@
  *
  * Description:
  *   The posix_spawn_file_actions_destroy() function destroys the object
- *   referenced by file_actions which was previously intialized by
+ *   referenced by file_actions which was previously initializeed by
  *   posix_spawn_file_actions_init(), returning any resources obtained at the
  *   time of initialization to the system for subsequent reuse.  A
  *   posix_spawn_file_actions_t may be reinitialized after having been
diff --git a/nuttx/sched/pthread_once.c b/nuttx/sched/pthread_once.c
index 413300472..46b37c5a5 100644
--- a/nuttx/sched/pthread_once.c
+++ b/nuttx/sched/pthread_once.c
@@ -80,7 +80,7 @@
  *
  * Parameters:
  *   once_control - Determines if init_routine should be called.  once_control
- *      should be declared and intialized as follows:
+ *      should be declared and initializeed as follows:
  *
  *        pthread_once_t once_control = PTHREAD_ONCE_INIT;
  *
diff --git a/nuttx/sched/sig_internal.h b/nuttx/sched/sig_internal.h
index e9a432092..c9f74491e 100644
--- a/nuttx/sched/sig_internal.h
+++ b/nuttx/sched/sig_internal.h
@@ -159,7 +159,7 @@ extern sq_queue_t  g_sigpendingirqsignal;
 
 struct task_group_s;
 
-/* sig_intialize.c */
+/* sig_initializee.c */
 
 void weak_function sig_initialize(void);
 void               sig_allocateactionblock(void);