diff --git a/config.mk b/config.mk
index 5ed41231c..5aa77d34e 100644
--- a/config.mk
+++ b/config.mk
@@ -26,7 +26,7 @@
 # clean the slate ...
 PLATFORM_LDFLAGS =
 PLATFORM_RELFLAGS = -fno-strict-aliasing  -fno-common -ffixed-r8 -msoft-float
-PLATFORM_CPPFLAGS = -march=armv4 -mtune=arm7tdmi -DCONFIG_ARM -D__ARM__
+PLATFORM_CPPFLAGS = -march=armv4t -mthumb -mtune=arm7tdmi-s -mthumb-interwork -DCONFIG_ARM -D__ARM__
 TEXT_BASE = 0x00400000
 
 #########################################################################
diff --git a/tests/nvm-read.c b/tests/nvm-read.c
index cdd9f68b0..3bf208aff 100644
--- a/tests/nvm-read.c
+++ b/tests/nvm-read.c
@@ -13,6 +13,7 @@
 #define GPIO_DATA0      0x80000008
 
 #include "embedded_types.h"
+#include "nvm.h"
 
 #define reg(x) (*(volatile uint32_t *)(x))
 
@@ -30,6 +31,8 @@ const uint8_t hex[16]={'0','1','2','3','4','5','6','7',
 __attribute__ ((section ("startup")))
 void main(void) {
 	uint8_t c;
+	nvmType_t type;
+	nvmErr_t err;
 
 	*(volatile uint32_t *)GPIO_PAD_DIR0 = 0x00000100;
 	
@@ -50,6 +53,16 @@ void main(void) {
 	reg(UART1_CON) = 0x00000003; /* enable receive and transmit */
 	reg(GPIO_FUNC_SEL0) = ( (0x01 << (14*2)) | (0x01 << (15*2)) ); /* set GPIO15-14 to UART (UART1 TX and RX)*/
 
+	puts("Detecting internal nvm\n\r");
+
+	err = nvm_detect(gNvmInternalInterface_c, &type);
+
+	puts("nvm_detect returned: ");
+	putc(err);
+	puts(" type is: ");
+	putc(type);
+	puts("\n\r");
+
 	while(1) {		
 	};
 }