initial commit

FIRMWARE/test_spi_flash.c

@@ -0,0 +1,17 @@
+#include <stdio.h>
+#include <stdint.h>
+
+#define SPI_FLASH_BASE ((uint32_t*)(1 << 23))
+
+int main() {
+   for(;;) {
+      for(int i=0; i<40; ++i) {
+	 uint32_t word = SPI_FLASH_BASE[i];
+	 char* c = (char*)&word;
+	 printf("%d 0x%x %c%c%c%c\n", i, word, c[0],c[1],c[2],c[3]);
+      }
+      printf("\n");
+      printf("\n");      
+   }
+   
+}