diff --git a/configs/eagle100/include/board.h b/configs/eagle100/include/board.h
index 16cae3d78d0..096ca84108b 100644
--- a/configs/eagle100/include/board.h
+++ b/configs/eagle100/include/board.h
@@ -114,7 +114,8 @@
 
 /* GPIO for microSD card chip select */
 
-#define SDC_CS   (GPIO_PORTG | 2)
+#define SDCCS_GPIO (GPIO_FUNC_OUTPUT | GPIO_PADTYPE_STDWPU | GPIO_STRENGTH_4MA | GPIO_VALUE_ONE | GPIO_PORTG | 2)
+#define LED_GPIO   (GPIO_FUNC_OUTPUT | GPIO_VALUE_ONE | GPIO_PORTE | 1)
 
 /************************************************************************************
  * Public Function Prototypes
diff --git a/configs/eagle100/src/up_boot.c b/configs/eagle100/src/up_boot.c
index 4b7d5f6eff0..874d3dc0644 100644
--- a/configs/eagle100/src/up_boot.c
+++ b/configs/eagle100/src/up_boot.c
@@ -41,6 +41,8 @@
 #include <nuttx/config.h>
 #include <sys/types.h>
 
+#include <debug.h>
+
 #include <arch/board/board.h>
 
 #include "up_arch.h"
@@ -70,7 +72,7 @@ void lm3s_boardinitialize(void)
 {
   /* Configure the SPI-based microSD CS GPIO */
 
-  lm3s_configgpio(SDC_CS | GPIO_PADTYPE_STDWPU | GPIO_STRENGTH_4MA | GPIO_VALUE_ONE);
+  lm3s_configgpio(SDCCS_GPIO);
 
   /* Configure on-board LEDs */
 
diff --git a/configs/eagle100/src/up_leds.c b/configs/eagle100/src/up_leds.c
index 5a9d363826c..5cb6be0d7cd 100644
--- a/configs/eagle100/src/up_leds.c
+++ b/configs/eagle100/src/up_leds.c
@@ -41,6 +41,8 @@
 #include <nuttx/config.h>
 #include <sys/types.h>
 
+#include <debug.h>
+
 #include <arch/board/board.h>
 
 #include "chip.h"
@@ -52,6 +54,28 @@
  * Definitions
  ****************************************************************************/
 
+/* Enables debug output from this file (needs CONFIG_DEBUG with
+ * CONFIG_DEBUG_VERBOSE too)
+ */
+
+#undef LED_DEBUG /* Define to enable debug */
+
+#ifdef LED_DEBUG
+#  define leddbg  lldbg
+#  define ledvdbg llvdbg
+#else
+#  define leddbg(x...)
+#  define ledvdbg(x...)
+#endif
+
+/* Dump GPIO registers */
+
+#ifdef LED_DEBUG
+#  define led_dumpgpio(m) lm3s_dumpgpio(LED_GPIO, m)
+#else
+#  define led_dumpgpio(m)
+#endif
+
 /****************************************************************************
  * Private Data
  ****************************************************************************/
@@ -73,13 +97,13 @@ static boolean g_nest;
 #ifdef CONFIG_ARCH_LEDS
 void up_ledinit(void)
 {
-  /* Make sure that the GPIOE peripheral is enabled */
-
-  modifyreg32(LM3S_SYSCON_RCGC2_OFFSET, 0, SYSCON_RCGC2_GPIOE);
+  leddbg("Initializing\n");
 
   /* Configure Port E, Bit 1 as an output, initial value=OFF */
 
-  lm3s_configgpio(GPIO_FUNC_OUTPUT | GPIO_VALUE_ZERO | GPIO_PORTE | 1);
+  led_dumpgpio("up_ledinit before lm3s_configgpio()");
+  lm3s_configgpio(LED_GPIO);
+  led_dumpgpio("up_ledinit after lm3s_configgpio()");
   g_nest = 0;
 }
 
@@ -103,7 +127,9 @@ void up_ledon(int led)
         g_nest++;
       case LED_IRQSENABLED:
       case LED_STACKCREATED:
-        modifyreg32(LM3S_GPIOE_DATA, 0, (1 << 1));
+        led_dumpgpio("up_ledon: before lm3s_gpiowrite()");
+        lm3s_gpiowrite(LED_GPIO, FALSE);
+        led_dumpgpio("up_ledon: after lm3s_gpiowrite()");
         break;
     }
 }
@@ -129,7 +155,9 @@ void up_ledoff(int led)
       case LED_PANIC:
         if (--g_nest <= 0)
           {
-            modifyreg32(LM3S_GPIOE_DATA, (1 << 1), 0);
+            led_dumpgpio("up_ledoff: before lm3s_gpiowrite()");
+            lm3s_gpiowrite(LED_GPIO, TRUE);
+            led_dumpgpio("up_ledoff: after lm3s_gpiowrite()");
           }
         break;
     }
diff --git a/configs/eagle100/src/up_ssi.c b/configs/eagle100/src/up_ssi.c
index 2a09ce4a81f..c14c7ab8915 100644
--- a/configs/eagle100/src/up_ssi.c
+++ b/configs/eagle100/src/up_ssi.c
@@ -84,7 +84,7 @@ void lm3s_spiselect(FAR struct spi_dev_s *dev, enum spi_dev_e devid, boolean sel
     {
       /* Assert the CS pin to the card */
 
-      lm3s_gpiowrite(SDC_CS, selected ? 0 : 1);
+      lm3s_gpiowrite(SDCCS_GPIO, !selected);
     }
 }