Correct SAM3S-Xplained load address, FLASH wait states, and UART1 pin configuration

configs/sam3u-ek/include/board.h

@@ -107,6 +107,10 @@
 #define HSMCI_SDXFR_CLKDIV         (0 << HSMCI_MR_CLKDIV_SHIFT)
 #define HSMCI_SDWIDEXFR_CLKDIV     HSMCI_SDXFR_CLKDIV
 
+/* FLASH wait states */
+
+#define BOARD_FWS                  2
+
 /* LED definitions ******************************************************************/
 
 #define LED_STARTED                0 /* LED0=OFF LED1=OFF LED2=OFF */

configs/sam4s-xplained/include/board.h

@@ -126,6 +126,47 @@
 #define HSMCI_SDXFR_CLKDIV         (0 << HSMCI_MR_CLKDIV_SHIFT)
 #define HSMCI_SDWIDEXFR_CLKDIV     HSMCI_SDXFR_CLKDIV
 
+/* FLASH wait states:
+ *
+ * DC Characteristics
+ *
+ * Parameter              Min   Typ  Max
+ * ---------------------- ----- ----- ----
+ * Vddcore DC Supply Core 1.08V 1.2V 1.32V
+ * Vvddio  DC Supply I/Os 1.62V 3.3V 3.6V
+ *
+ *                     Wait   Maximum
+ * Vddcore   Vvddio   States Frequency (MHz)
+ * ------- ---------- ------ ---------------
+ * 1.08V   1.62-3.6V    0        16
+ * "   "   "  "-"  "    1        33
+ * "   "   "  "-"  "    2        50
+ * "   "   "  "-"  "    3        67
+ * "   "   "  "-"  "    4        84
+ * "   "   "  "-"  "    5       100
+ * 1.08V   2.7-3.6V     0        20
+ * "   "   " "-"  "     1        40
+ * "   "   " "-"  "     2        60
+ * "   "   " "-"  "     3        80
+ * "   "   " "-"  "     4       100
+ * 1.2V    1.62-3.6V    0        17
+ * "  "    " "-"  "     1        34
+ * "  "    " "-"  "     2        52
+ * "  "    " "-"  "     3        69
+ * "  "    " "-"  "     4        87
+ * "  "    " "-"  "     5       104
+ * "  "    " "-"  "     6       121
+ * 1.2V    2.7-3.6V     0        21
+ * "  "    " "-"  "     1        42
+ * "  "    " "-"  "     2        63
+ * "  "    " "-"  "     3        84
+ * "  "    " "-"  "     4       105
+ * "  "    " "-"  "     5       123 << SELECTION
+ */
+
+#define BOARD_FWS                  5
+
+
 /* LED definitions ******************************************************************/
 /* There are four LEDs on board the SAM4S Xplained board, two of these can be
  * controlled by software in the SAM4S:

configs/sam4s-xplained/scripts/ld.script

@@ -33,13 +33,13 @@
  *
  ****************************************************************************/
 
-/* The ATSAM4S16C has 1MB of FLASH beginning at address 0x0000:0000 and
+/* The ATSAM4S16C has 1MB of FLASH beginning at address 0x0040:0000 and
  * 128KB of SRAM beginning at address 0x2000:0000
  */
 
 MEMORY
 {
-    flash (rx)  : ORIGIN = 0x00000000, LENGTH = 1024K
+    flash (rx)  : ORIGIN = 0x00400000, LENGTH = 1024K
     sram  (rwx) : ORIGIN = 0x20000000, LENGTH = 128K
 }