Don't initialize SDRAM if it is not being used

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2456 42af7a65-404d-4744-a932-0658087f49c3

3 files changed, 7 insertions, 0 deletions

diff --git a/nuttx/configs/ea3131/src/ea3131_internal.h b/nuttx/configs/ea3131/src/ea3131_internal.h
index 05a4f36f9..36b83ea14 100755
--- a/nuttx/configs/ea3131/src/ea3131_internal.h
+++ b/nuttx/configs/ea3131/src/ea3131_internal.h
@@ -82,7 +82,9 @@
  *

  ****************************************************************************/

 

+#ifdef CONFIG_LPC313X_EXTSDRAM

 extern void lpc313x_sdraminitialize(void);

+#endif

 

 /************************************************************************************

  * Name: lpc313x_spiinitialize

diff --git a/nuttx/configs/ea3131/src/up_boot.c b/nuttx/configs/ea3131/src/up_boot.c
index f7e08f4cb..5e2e44751 100755
--- a/nuttx/configs/ea3131/src/up_boot.c
+++ b/nuttx/configs/ea3131/src/up_boot.c
@@ -75,7 +75,9 @@ void lpc313x_boardinitialize(void)
 {

   /* Configure Micron MT48LC32M16A2 SDRAM on the EA3131 board */

 

+#ifdef CONFIG_LPC313X_EXTSDRAM

   lpc313x_sdraminitialize();

+#endif

 

   /* Configure SPI chip selects if 1) SPI is not disabled, and 2) the weak function

    * lpc313x_spiinitialize() has been brought into the link.

diff --git a/nuttx/configs/ea3131/src/up_sdram.c b/nuttx/configs/ea3131/src/up_sdram.c
index cedfd1daf..3206cf6c3 100755
--- a/nuttx/configs/ea3131/src/up_sdram.c
+++ b/nuttx/configs/ea3131/src/up_sdram.c
@@ -55,6 +55,8 @@
 #include "lpc313x_cgudrvr.h"
 #include "ea3131_internal.h"
 
+#ifdef CONFIG_LPC313X_EXTSDRAM
+
 /****************************************************************************
  * Definitions
  ****************************************************************************/
@@ -265,3 +267,4 @@ void lpc313x_sdraminitialize(void)
 
   putreg32((MPMC_DYNCONTROL_INORMAL|MPMC_DYNCONTROL_CS), LPC313X_MPMC_DYNCONTROL);
 }
+#endif /* CONFIG_LPC313X_EXTSDRAM */