diff -Naurp configure.ac configure.ac
--- configure.ac	2013-01-29 12:20:43.000000000 +0530
+++ configure.ac	2013-01-29 12:28:06.000000000 +0530
@@ -853,6 +853,9 @@ AM_CONDITIONAL(HAS_atmega32u6, test "x$H
 CHECK_AVR_DEVICE(atmega406)
 AM_CONDITIONAL(HAS_atmega406, test "x$HAS_atmega406" = "xyes")
 
+CHECK_AVR_DEVICE(atmega64rfr2)
+AM_CONDITIONAL(HAS_atmega64rfr2, test "x$HAS_atmega64rfr2" = "xyes")
+
 CHECK_AVR_DEVICE(atmega64)
 AM_CONDITIONAL(HAS_atmega64, test "x$HAS_atmega64" = "xyes")
 
@@ -957,6 +960,9 @@ AM_CONDITIONAL(HAS_at90usb1286, test "x$
 CHECK_AVR_DEVICE(at90usb1287)
 AM_CONDITIONAL(HAS_at90usb1287, test "x$HAS_at90usb1287" = "xyes")
 
+CHECK_AVR_DEVICE(atmega128rfr2)
+AM_CONDITIONAL(HAS_atmega128rfr2, test "x$HAS_atmega128rfr2" = "xyes")
+
 
 # avr6
 CHECK_AVR_DEVICE(avr6)
@@ -968,6 +974,9 @@ AM_CONDITIONAL(HAS_atmega2560, test "x$H
 CHECK_AVR_DEVICE(atmega2561)
 AM_CONDITIONAL(HAS_atmega2561, test "x$HAS_atmega2561" = "xyes")
 
+CHECK_AVR_DEVICE(atmega256rfr2)
+AM_CONDITIONAL(HAS_atmega256rfr2, test "x$HAS_atmega256rfr2" = "xyes")
+
 
 # avrxmega2
 CHECK_AVR_DEVICE(avrxmega2)
@@ -1366,6 +1375,7 @@ AC_CONFIG_FILES([
 	avr/lib/avr5/atmega32u4/Makefile
 	avr/lib/avr5/atmega32u6/Makefile
 	avr/lib/avr5/atmega406/Makefile
+	avr/lib/avr5/atmega64rfr2/Makefile
 	avr/lib/avr5/atmega64/Makefile
 	avr/lib/avr5/atmega64a/Makefile
 	avr/lib/avr5/atmega640/Makefile
@@ -1406,6 +1416,7 @@ AC_CONFIG_FILES([
 	avr/lib/avr51/atmega1284/Makefile
 	avr/lib/avr51/atmega1284p/Makefile
 	avr/lib/avr51/atmega128rfa1/Makefile
+	avr/lib/avr51/atmega128rfr2/Makefile
 	avr/lib/avr51/at90can128/Makefile
 	avr/lib/avr51/at90usb1286/Makefile
 	avr/lib/avr51/at90usb1287/Makefile
@@ -1416,6 +1427,7 @@ AC_CONFIG_FILES([
 	avr/lib/avr6/Makefile
 	avr/lib/avr6/atmega2560/Makefile
 	avr/lib/avr6/atmega2561/Makefile
+	avr/lib/avr6/atmega256rfr2/Makefile
 ])
 
 # avrxmega2
diff -Naurp devtools/gen-avr-lib-tree.sh devtools/gen-avr-lib-tree.sh
--- devtools/gen-avr-lib-tree.sh	2013-01-29 12:20:43.000000000 +0530
+++ devtools/gen-avr-lib-tree.sh	2013-01-29 12:28:06.000000000 +0530
@@ -233,6 +233,7 @@ atmega32m1:crtm32m1.o:${DEV_DEFS}:${CFLA
 atmega32u4:crtm32u4.o:${DEV_DEFS}:${CFLAGS_SPACE}:${DEV_ASFLAGS};\
 atmega32u6:crtm32u6.o:${DEV_DEFS}:${CFLAGS_SPACE}:${DEV_ASFLAGS};\
 atmega406:crtm406.o:${DEV_DEFS}:${CFLAGS_SPACE}:${DEV_ASFLAGS};\
+atmega64rfr2:crtm64rfr2.o:${DEV_DEFS}:${CFLAGS_SPACE}:${DEV_ASFLAGS};\
 atmega64:crtm64.o:${DEV_DEFS}:${CFLAGS_SPACE}:${DEV_ASFLAGS};\
 atmega64a:crtm64a.o:${DEV_DEFS}:${CFLAGS_SPACE}:${DEV_ASFLAGS};\
 atmega640:crtm640.o:${DEV_DEFS}:${CFLAGS_SPACE}:${DEV_ASFLAGS};\
@@ -271,6 +272,7 @@ atmega1281:crtm1281.o:${DEV_DEFS}:${CFLA
 atmega1284:crtm1284.o:${DEV_DEFS}:${CFLAGS_BIG_MEMORY}:${DEV_ASFLAGS};\
 atmega1284p:crtm1284p.o:${DEV_DEFS}:${CFLAGS_BIG_MEMORY}:${DEV_ASFLAGS};\
 atmega128rfa1:crtm128rfa1.o:${DEV_DEFS}:${CFLAGS_BIG_MEMORY}:${DEV_ASFLAGS};\
+atmega128rfr2:crtm128rfr2.o:${DEV_DEFS}:${CFLAGS_SPACE}:${DEV_ASFLAGS};\
 at90can128:crtcan128.o:${DEV_DEFS}:${CFLAGS_BIG_MEMORY}:${DEV_ASFLAGS};\
 at90usb1286:crtusb1286.o:${DEV_DEFS}:${CFLAGS_BIG_MEMORY}:${DEV_ASFLAGS};\
 at90usb1287:crtusb1287.o:${DEV_DEFS}:${CFLAGS_BIG_MEMORY}:${DEV_ASFLAGS}\
@@ -278,7 +280,8 @@ at90usb1287:crtusb1287.o:${DEV_DEFS}:${C
 
 AVR6_DEV_INFO="\
 atmega2560:crtm2560.o:${DEV_DEFS}:${CFLAGS_BIG_MEMORY}:${DEV_ASFLAGS};\
-atmega2561:crtm2561.o:${DEV_DEFS}:${CFLAGS_BIG_MEMORY}:${DEV_ASFLAGS}\
+atmega2561:crtm2561.o:${DEV_DEFS}:${CFLAGS_BIG_MEMORY}:${DEV_ASFLAGS};\
+atmega256rfr2:crtm256rfr2.o:${DEV_DEFS}:${CFLAGS_SPACE}:${DEV_ASFLAGS}\
 "
 
 AVRXMEGA2_DEV_INFO="\
diff -Naurp doc/api/main_page.dox doc/api/main_page.dox
--- doc/api/main_page.dox	2013-01-29 12:20:43.000000000 +0530
+++ doc/api/main_page.dox	2013-01-29 12:28:06.000000000 +0530
@@ -321,6 +321,13 @@ compile-time.
 - atxmega384c3
 - atxmega384d3
 
+\par Wireless AVR devices:
+
+-atmega64rfr2
+-atmega128rfa1
+-atmega128rfr2
+-atmega256rfr2
+
 \par Miscellaneous Devices:
 
 - at94K \ref supp_dev_footnote_two "[2]"
diff -Naurp doc/api/using-tools.dox doc/api/using-tools.dox
--- doc/api/using-tools.dox	2013-01-29 12:20:43.000000000 +0530
+++ doc/api/using-tools.dox	2013-01-29 12:28:06.000000000 +0530
@@ -364,6 +364,7 @@ AVR will be defined as well when using t
   <tr><td>avr5</td><td>atmega32u4</td><td>__AVR_ATmega32U4__</td></tr>
   <tr><td>avr5</td><td>atmega32u6</td><td>__AVR_ATmega32U6__</td></tr>
   <tr><td>avr5</td><td>atmega406</td><td>__AVR_ATmega406__</td></tr>
+  <tr><td>avr5</td><td>atmega64rfr2</td><td>__AVR_ATmega64RFR2__</td></tr>
   <tr><td>avr5</td><td>atmega64</td><td>__AVR_ATmega64__</td></tr>
   <tr><td>avr5</td><td>atmega64a</td><td>__AVR_ATmega64A__</td></tr>
   <tr><td>avr5</td><td>atmega640</td><td>__AVR_ATmega640__</td></tr>
@@ -397,9 +398,11 @@ AVR will be defined as well when using t
   <tr><td>avr5/avr51&nbsp;[3]</td><td>atmega1281</td><td>__AVR_ATmega1281__</td></tr>
   <tr><td>avr5/avr51&nbsp;[3]</td><td>atmega1284</td><td>__AVR_ATmega1284__</td></tr>
   <tr><td>avr5/avr51&nbsp;[3]</td><td>atmega1284p</td><td>__AVR_ATmega1284P__</td></tr>
+  <tr><td>avr5/avr51&nbsp;[3]</td><td>atmega128rfr2</td><td>__AVR_ATmega128RFR2__</td></tr>
 
   <tr><td>avr6</td><td>atmega2560</td><td>__AVR_ATmega2560__</td></tr>
   <tr><td>avr6</td><td>atmega2561</td><td>__AVR_ATmega2561__</td></tr>
+  <tr><td>avr6</td><td>atmega256rfr2</td><td>__AVR_ATmega256RFR2__</td></tr>
 
   <tr><td>avrxmega2</td><td>atxmega16a4</td><td>__AVR_ATxmega16A4__</td></tr>
   <tr><td>avrxmega2</td><td>atxmega16a4u</td><td>__AVR_ATxmega16A4U__</td></tr>
diff -Naurp include/avr/eeprom.h include/avr/eeprom.h
--- include/avr/eeprom.h	2013-01-29 12:20:43.000000000 +0530
+++ include/avr/eeprom.h	2013-01-29 12:28:06.000000000 +0530
@@ -107,6 +107,10 @@
 # define _EEPROM_SUFFIX  _m1284p
 #elif defined (__AVR_ATmega128RFA1__)
 # define _EEPROM_SUFFIX  _m128rfa1
+#elif defined (__AVR_ATmega128RFR2__)
+# define _EEPROM_SUFFIX  _m128rfr2
+#elif defined (__AVR_ATmega256RFR2__)
+# define _EEPROM_SUFFIX  _m256rfr2
 #elif defined (__AVR_ATmega2560__)
 # define _EEPROM_SUFFIX  _m2560
 #elif defined (__AVR_ATmega2561__)
@@ -129,6 +133,8 @@
 # define _EEPROM_SUFFIX _usb1286
 #elif defined (__AVR_AT90USB1287__)
 # define _EEPROM_SUFFIX _usb1287
+#elif defined (__AVR_ATmega64RFR2__)
+# define _EEPROM_SUFFIX  _m64rfr2
 #elif defined (__AVR_ATmega64__)
 # define _EEPROM_SUFFIX  _m64
 #elif defined (__AVR_ATmega64A__)
diff -Naurp include/avr/io.h include/avr/io.h
--- include/avr/io.h	2013-01-29 12:20:43.000000000 +0530
+++ include/avr/io.h	2013-01-29 12:28:06.000000000 +0530
@@ -162,6 +162,10 @@
 #  include <avr/iom1284p.h>
 #elif defined (__AVR_ATmega128RFA1__)
 #  include <avr/iom128rfa1.h>
+#elif defined (__AVR_ATmega128RFR2__)
+#  include <avr/iom128rfr2.h>
+#elif defined (__AVR_ATmega256RFR2__)
+#  include <avr/iom256rfr2.h>
 #elif defined (__AVR_ATmega2560__)
 #  include <avr/iom2560.h>
 #elif defined (__AVR_ATmega2561__)
@@ -184,6 +188,8 @@
 #  include <avr/iousb1286.h>
 #elif defined (__AVR_AT90USB1287__)
 #  include <avr/iousb1287.h>
+#elif defined (__AVR_ATmega64RFR2__)
+#  include <avr/iom64rfr2.h>
 #elif defined (__AVR_ATmega64__)
 #  include <avr/iom64.h>
 #elif defined (__AVR_ATmega64A__)
diff -Naurp include/avr/Makefile.am include/avr/Makefile.am
--- include/avr/Makefile.am	2013-01-29 12:20:43.000000000 +0530
+++ include/avr/Makefile.am	2013-01-29 12:28:06.000000000 +0530
@@ -84,6 +84,7 @@ avr_HEADERS = \
     iom1284.h \
     iom1284p.h \
     iom128rfa1.h \
+    iom128rfr2.h \
     iom16.h \
     iom16a.h \
     iom161.h \
@@ -109,6 +110,7 @@ avr_HEADERS = \
     iom16u4.h \
     iom2560.h \
     iom2561.h \
+    iom256rfr2.h \
     iom3000.h \
     iom32.h \
     iom32a.h \
@@ -148,6 +150,7 @@ avr_HEADERS = \
     iom64c1.h \
     iom64hve.h \
     iom64m1.h \
+    iom64rfr2.h \
     iom8.h \
     iom8a.h \
     iom8515.h \
diff -Naurp include/avr/power.h include/avr/power.h
--- include/avr/power.h	2013-01-29 12:20:43.000000000 +0530
+++ include/avr/power.h	2013-01-29 12:28:06.000000000 +0530
@@ -928,6 +928,74 @@ do{ \
     PRR1 |= (uint8_t)((1<<PRTIM3)|(1<<PRTIM4)|(1<<PRTIM5)|(1<<PRTIM5)|(1<<PRUSART1)); \
 }while(0)
 
+#elif defined(__AVR_ATmega256RFR2__) \
+|| defined(__AVR_ATmega128RFR2__) \
+|| defined(__AVR_ATmega64RFR2__)
+
+#define power_adc_enable()           (PRR0 &= (uint8_t)~(1 << PRADC))
+#define power_adc_disable()          (PRR0 |= (uint8_t)(1 << PRADC))
+
+#define power_usart0_enable()        (PRR0 &= (uint8_t)~(1 << PRUSART0))
+#define power_usart0_disable()       (PRR0 |= (uint8_t)(1 << PRUSART0))
+
+#define power_spi_enable()           (PRR0 &= (uint8_t)~(1 << PRSPI))
+#define power_spi_disable()          (PRR0 |= (uint8_t)(1 << PRSPI))
+
+#define power_timer1_enable()        (PRR0 &= (uint8_t)~(1 << PRTIM1))
+#define power_timer1_disable()       (PRR0 |= (uint8_t)(1 << PRTIM1))
+
+#define power_pga_enable()           (PRR0 &= (uint8_t)~(1 << PRPGA))
+#define power_pga_disable()          (PRR0 |= (uint8_t)(1 << PRPGA))
+
+#define power_timer0_enable()        (PRR0 &= (uint8_t)~(1 << PRTIM0))
+#define power_timer0_disable()       (PRR0 |= (uint8_t)(1 << PRTIM0))
+
+#define power_timer2_enable()        (PRR0 &= (uint8_t)~(1 << PRTIM2))
+#define power_timer2_disable()       (PRR0 |= (uint8_t)(1 << PRTIM2))
+
+#define power_twi_enable()           (PRR0 &= (uint8_t)~(1 << PRTWI))
+#define power_twi_disable()          (PRR0 |= (uint8_t)(1 << PRTWI))
+
+#define power_usart1_enable()        (PRR1 &= (uint8_t)~(1 << PRUSART1))
+#define power_usart1_disable()       (PRR1 |= (uint8_t)(1 << PRUSART1))
+
+#define power_timer3_enable()        (PRR1 &= (uint8_t)~(1 << PRTIM3))
+#define power_timer3_disable()       (PRR1 |= (uint8_t)(1 << PRTIM3))
+
+#define power_timer4_enable()        (PRR1 &= (uint8_t)~(1 << PRTIM4))
+#define power_timer4_disable()       (PRR1 |= (uint8_t)(1 << PRTIM4))
+
+#define power_timer5_enable()        (PRR1 &= (uint8_t)~(1 << PRTIM5))
+#define power_timer5_disable()       (PRR1 |= (uint8_t)(1 << PRTIM5))
+
+#define power_transceiver_enable()   (PRR1 &= (uint8_t)~(1 << PRTRX24))
+#define power_transceiver_disable()  (PRR1 |= (uint8_t)(1 << PRTRX24))
+
+#define power_ram0_enable()          (PRR2 &= (uint8_t)~(1 << PRRAM0))
+#define power_ram0_disable()         (PRR2 |= (uint8_t)(1 << PRRAM0))
+
+#define power_ram1_enable()          (PRR2 &= (uint8_t)~(1 << PRRAM1))
+#define power_ram1_disable()         (PRR2 |= (uint8_t)(1 << PRRAM1))
+
+#define power_ram2_enable()          (PRR2 &= (uint8_t)~(1 << PRRAM2))
+#define power_ram2_disable()         (PRR2 |= (uint8_t)(1 << PRRAM2))
+
+#define power_ram3_enable()          (PRR2 &= (uint8_t)~(1 << PRRAM3))
+#define power_ram3_disable()         (PRR2 |= (uint8_t)(1 << PRRAM3))
+
+#define power_all_enable() \
+do{ \
+    PRR0 &= (uint8_t)~((1<<PRADC)|(1<<PRSPI)|(1<<PRTWI)|(1<<PRTIM0)|(1<<PRTIM1)|(1<<PRTIM2)|(1<<PRUSART0)); \
+    PRR1 &= (uint8_t)~((1<<PRUSART1)|(1<<PRTIM3)|(1<<PRTIM4)|(1<<PRTIM5)|(1<<PRTRX24)); \
+    PRR2 &= (uint8_t)~((1<<PRRAM0)|(1<<PRRAM1)|(1<<PRRAM2)|(1<<PRRAM3)); \
+}while(0)
+
+#define power_all_disable() \
+do{ \
+    PRR0 |= (uint8_t)((1<<PRADC)|(1<<PRSPI)|(1<<PRTWI)|(1<<PRTIM0)|(1<<PRTIM1)|(1<<PRTIM2)|(1<<PRUSART0)); \
+    PRR1 |= (uint8_t)((1<<PRUSART1)|(1<<PRTIM3)|(1<<PRTIM4)|(1<<PRTIM5)|(1<<PRTRX24)); \
+    PRR2 |= (uint8_t)((1<<PRRAM0)|(1<<PRRAM1)|(1<<PRRAM2)|(1<<PRRAM3)); \
+}while(0)
 
 #elif defined(__AVR_AT90USB646__) \
 || defined(__AVR_AT90USB647__) \
@@ -1808,6 +1876,7 @@ do{ \
 || defined(__AVR_ATmega1281__) \
 || defined(__AVR_ATmega1284__) \
 || defined(__AVR_ATmega128RFA1__) \
+|| defined(__AVR_ATmega128RFR2__) \
 || defined(__AVR_ATmega1284P__) \
 || defined(__AVR_ATmega162__) \
 || defined(__AVR_ATmega164A__) \
@@ -1827,6 +1896,7 @@ do{ \
 || defined(__AVR_ATmega16U4__) \
 || defined(__AVR_ATmega2560__) \
 || defined(__AVR_ATmega2561__) \
+|| defined(__AVR_ATmega256RFR2__) \
 || defined(__AVR_ATmega324A__) \
 || defined(__AVR_ATmega324P__) \
 || defined(__AVR_ATmega325__) \
@@ -1870,6 +1940,7 @@ do{ \
 || defined(__AVR_ATmega6490__) \
 || defined(__AVR_ATmega6490A__) \
 || defined(__AVR_ATmega6490P__) \
+|| defined(__AVR_ATmega64RFR2__) \
 || defined(__AVR_ATmega88__) \
 || defined(__AVR_ATmega88P__) \
 || defined(__AVR_ATmega8U2__) \
@@ -1922,7 +1993,10 @@ typedef enum
     clock_div_64 = 6,
     clock_div_128 = 7,
     clock_div_256 = 8
-#if defined(__AVR_ATmega128RFA1__)
+#if defined(__AVR_ATmega128RFA1__) \
+|| defined(__AVR_ATmega256RFR2__) \
+|| defined(__AVR_ATmega128RFR2__) \
+|| defined(__AVR_ATmega64RFR2__)
     , clock_div_1_rc = 15
 #endif
 } clock_div_t;
diff -Naurp include/avr/sleep.h include/avr/sleep.h
--- include/avr/sleep.h	2013-01-29 12:20:43.000000000 +0530
+++ include/avr/sleep.h	2013-01-29 12:28:06.000000000 +0530
@@ -365,6 +365,7 @@
 || defined(__AVR_ATmega1284__) \
 || defined(__AVR_ATmega1284P__) \
 || defined(__AVR_ATmega128RFA1__) \
+|| defined(__AVR_ATmega128RFR2__) \
 || defined(__AVR_ATmega16__) \
 || defined(__AVR_ATmega16A__) \
 || defined(__AVR_ATmega162__) \
@@ -378,6 +379,7 @@
 || defined(__AVR_ATmega16U4__) \
 || defined(__AVR_ATmega2560__) \
 || defined(__AVR_ATmega2561__) \
+|| defined(__AVR_ATmega256RFR2__) \
 || defined(__AVR_ATmega32__) \
 || defined(__AVR_ATmega32A__) \
 || defined(__AVR_ATmega323__) \
@@ -400,6 +402,7 @@
 || defined(__AVR_ATmega644P__) \
 || defined(__AVR_ATmega644PA__) \
 || defined(__AVR_ATmega64C1__) \
+|| defined(__AVR_ATmega64RFR2__) \
 || defined(__AVR_ATmega8515__) \
 || defined(__AVR_ATmega8535__) \
 || defined(__AVR_ATmega88A__) \
diff -Naurp include/avr/wdt.h include/avr/wdt.h
--- include/avr/wdt.h	2013-01-29 12:20:43.000000000 +0530
+++ include/avr/wdt.h	2013-01-29 12:30:47.000000000 +0530
@@ -214,6 +214,7 @@ __asm__ __volatile__ ( \
 || defined(__AVR_ATmega1284__) \
 || defined(__AVR_ATmega1284P__) \
 || defined(__AVR_ATmega128RFA1__) \
+|| defined(__AVR_ATmega128RFR2__) \
 || defined(__AVR_ATmega164__) \
 || defined(__AVR_ATmega164A__) \
 || defined(__AVR_ATmega164P__) \
@@ -239,6 +240,7 @@ __asm__ __volatile__ ( \
 || defined(__AVR_ATmega16U4__) \
 || defined(__AVR_ATmega2560__) \
 || defined(__AVR_ATmega2561__) \
+|| defined(__AVR_ATmega256RFR2__) \
 || defined(__AVR_ATmega32A__) \
 || defined(__AVR_ATmega324__) \
 || defined(__AVR_ATmega324A__) \
@@ -275,6 +277,7 @@ __asm__ __volatile__ ( \
 || defined(__AVR_ATmega48PA__) \
 || defined(__AVR_ATmega48P__) \
 || defined(__AVR_ATmega64A__) \
+|| defined(__AVR_ATmega64RFR2__) \
 || defined(__AVR_ATmega640__) \
 || defined(__AVR_ATmega644__) \
 || defined(__AVR_ATmega644A__) \
@@ -457,6 +460,7 @@ __asm__ __volatile__ (  \
     ATmega640, ATmega1280, ATmega1281, ATmega2560, ATmega2561,
     ATmega8HVA, ATmega16HVA, ATmega32HVB,
     ATmega406, ATmega1284P,
+    ATmega256RFR2, ATmega128RFR2, ATmega64RFR2,
     AT90PWM1, AT90PWM2, AT90PWM2B, AT90PWM3, AT90PWM3B, AT90PWM216, AT90PWM316,
     AT90PWM81, AT90PWM161,
     AT90USB82, AT90USB162,
@@ -478,6 +482,7 @@ __asm__ __volatile__ (  \
     ATmega640, ATmega1280, ATmega1281, ATmega2560, ATmega2561,
     ATmega8HVA, ATmega16HVA, ATmega32HVB,
     ATmega406, ATmega1284P,
+    ATmega256RFR2, ATmega128RFR2, ATmega64RFR2,
     AT90PWM1, AT90PWM2, AT90PWM2B, AT90PWM3, AT90PWM3B, AT90PWM216, AT90PWM316,
     AT90PWM81, AT90PWM161,
     AT90USB82, AT90USB162,