diff --git a/gcc/config/avr/avr-mcus.def b/gcc/config/avr/avr-mcus.def
index 1e12ab30170..fa5e6685227 100644
--- a/gcc/config/avr/avr-mcus.def
+++ b/gcc/config/avr/avr-mcus.def
@@ -306,6 +306,14 @@ AVR_MCU ("atxmega16c4",      ARCH_AVRXMEGA2, AVR_ISA_RMW,  "__AVR_ATxmega16C4__"
 AVR_MCU ("atxmega32a4u",     ARCH_AVRXMEGA2, AVR_ISA_RMW,  "__AVR_ATxmega32A4U__", 0x2000, 0x0, 0x9000, 0)
 AVR_MCU ("atxmega32c4",      ARCH_AVRXMEGA2, AVR_ISA_RMW,  "__AVR_ATxmega32C4__",  0x2000, 0x0, 0x9000, 0)
 AVR_MCU ("atxmega32e5",      ARCH_AVRXMEGA2, AVR_ISA_NONE, "__AVR_ATxmega32E5__",  0x2000, 0x0, 0x9000, 0)
+AVR_MCU ("avr64da28",        ARCH_AVRXMEGA2, AVR_ISA_NONE, "__AVR_AVR64DA28__",    0x6000, 0x0, 0x8000, 0x10000)
+AVR_MCU ("avr64da32",        ARCH_AVRXMEGA2, AVR_ISA_NONE, "__AVR_AVR64DA32__",    0x6000, 0x0, 0x8000, 0x10000)
+AVR_MCU ("avr64da48",        ARCH_AVRXMEGA2, AVR_ISA_NONE, "__AVR_AVR64DA48__",    0x6000, 0x0, 0x8000, 0x10000)
+AVR_MCU ("avr64da64",        ARCH_AVRXMEGA2, AVR_ISA_NONE, "__AVR_AVR64DA64__",    0x6000, 0x0, 0x8000, 0x10000)
+AVR_MCU ("avr64db28",        ARCH_AVRXMEGA2, AVR_ISA_NONE, "__AVR_AVR64DB28__",    0x6000, 0x0, 0x8000, 0x10000)
+AVR_MCU ("avr64db32",        ARCH_AVRXMEGA2, AVR_ISA_NONE, "__AVR_AVR64DB32__",    0x6000, 0x0, 0x8000, 0x10000)
+AVR_MCU ("avr64db48",        ARCH_AVRXMEGA2, AVR_ISA_NONE, "__AVR_AVR64DB48__",    0x6000, 0x0, 0x8000, 0x10000)
+AVR_MCU ("avr64db64",        ARCH_AVRXMEGA2, AVR_ISA_NONE, "__AVR_AVR64DB64__",    0x6000, 0x0, 0x8000, 0x10000)
 /* Xmega, Flash + RAM < 64K, flash visible in RAM address space */
 AVR_MCU ("avrxmega3",        ARCH_AVRXMEGA3, AVR_ISA_NONE,  NULL,                  0x3f00, 0x0, 0x8000, 0)
 AVR_MCU ("attiny202",        ARCH_AVRXMEGA3, AVR_ISA_RCALL, "__AVR_ATtiny202__",   0x3f80, 0x0, 0x800,  0x8000)
@@ -342,6 +350,12 @@ AVR_MCU ("atmega3208",       ARCH_AVRXMEGA3, AVR_ISA_NONE,  "__AVR_ATmega3208__"
 AVR_MCU ("atmega3209",       ARCH_AVRXMEGA3, AVR_ISA_NONE,  "__AVR_ATmega3209__",  0x3800, 0x0, 0x8000, 0x4000)
 AVR_MCU ("atmega4808",       ARCH_AVRXMEGA3, AVR_ISA_NONE,  "__AVR_ATmega4808__",  0x2800, 0x0, 0xc000, 0x4000)
 AVR_MCU ("atmega4809",       ARCH_AVRXMEGA3, AVR_ISA_NONE,  "__AVR_ATmega4809__",  0x2800, 0x0, 0xc000, 0x4000)
+AVR_MCU ("avr32da28",        ARCH_AVRXMEGA3, AVR_ISA_NONE,  "__AVR_AVR32DA28__",   0x7000, 0x0, 0x8000, 0x8000)
+AVR_MCU ("avr32da32",        ARCH_AVRXMEGA3, AVR_ISA_NONE,  "__AVR_AVR32DA32__",   0x7000, 0x0, 0x8000, 0x8000)
+AVR_MCU ("avr32da48",        ARCH_AVRXMEGA3, AVR_ISA_NONE,  "__AVR_AVR32DA48__",   0x7000, 0x0, 0x8000, 0x8000)
+AVR_MCU ("avr32db28",        ARCH_AVRXMEGA3, AVR_ISA_NONE,  "__AVR_AVR32DB28__",   0x7000, 0x0, 0x8000, 0x8000)
+AVR_MCU ("avr32db32",        ARCH_AVRXMEGA3, AVR_ISA_NONE,  "__AVR_AVR32DB32__",   0x7000, 0x0, 0x8000, 0x8000)
+AVR_MCU ("avr32db48",        ARCH_AVRXMEGA3, AVR_ISA_NONE,  "__AVR_AVR32DB48__",   0x7000, 0x0, 0x8000, 0x8000)
 /* Xmega, 64K < Flash <= 128K, RAM <= 64K */
 AVR_MCU ("avrxmega4",        ARCH_AVRXMEGA4, AVR_ISA_NONE, NULL,                   0x2000, 0x0, 0x11000, 0)
 AVR_MCU ("atxmega64a3",      ARCH_AVRXMEGA4, AVR_ISA_NONE, "__AVR_ATxmega64A3__",  0x2000, 0x0, 0x11000, 0)
@@ -352,6 +366,14 @@ AVR_MCU ("atxmega64b1",      ARCH_AVRXMEGA4, AVR_ISA_RMW,  "__AVR_ATxmega64B1__"
 AVR_MCU ("atxmega64b3",      ARCH_AVRXMEGA4, AVR_ISA_RMW,  "__AVR_ATxmega64B3__",  0x2000, 0x0, 0x11000, 0)
 AVR_MCU ("atxmega64c3",      ARCH_AVRXMEGA4, AVR_ISA_RMW,  "__AVR_ATxmega64C3__",  0x2000, 0x0, 0x11000, 0)
 AVR_MCU ("atxmega64d4",      ARCH_AVRXMEGA4, AVR_ISA_NONE, "__AVR_ATxmega64D4__",  0x2000, 0x0, 0x11000, 0)
+AVR_MCU ("avr128da28",       ARCH_AVRXMEGA4, AVR_ISA_NONE, "__AVR_AVR128DA28__",   0x4000, 0x0, 0x8000,  0x20000)
+AVR_MCU ("avr128da32",       ARCH_AVRXMEGA4, AVR_ISA_NONE, "__AVR_AVR128DA32__",   0x4000, 0x0, 0x8000,  0x20000)
+AVR_MCU ("avr128da48",       ARCH_AVRXMEGA4, AVR_ISA_NONE, "__AVR_AVR128DA48__",   0x4000, 0x0, 0x8000,  0x20000)
+AVR_MCU ("avr128da64",       ARCH_AVRXMEGA4, AVR_ISA_NONE, "__AVR_AVR128DA64__",   0x4000, 0x0, 0x8000,  0x20000)
+AVR_MCU ("avr128db28",       ARCH_AVRXMEGA4, AVR_ISA_NONE, "__AVR_AVR128DB28__",   0x4000, 0x0, 0x8000,  0x20000)
+AVR_MCU ("avr128db32",       ARCH_AVRXMEGA4, AVR_ISA_NONE, "__AVR_AVR128DB32__",   0x4000, 0x0, 0x8000,  0x20000)
+AVR_MCU ("avr128db48",       ARCH_AVRXMEGA4, AVR_ISA_NONE, "__AVR_AVR128DB48__",   0x4000, 0x0, 0x8000,  0x20000)
+AVR_MCU ("avr128db64",       ARCH_AVRXMEGA4, AVR_ISA_NONE, "__AVR_AVR128DB64__",   0x4000, 0x0, 0x8000,  0x20000)
 /* Xmega, 64K < Flash <= 128K, RAM > 64K */
 AVR_MCU ("avrxmega5",        ARCH_AVRXMEGA5, AVR_ISA_NONE, NULL,                   0x2000, 0x0, 0x11000, 0)
 AVR_MCU ("atxmega64a1",      ARCH_AVRXMEGA5, AVR_ISA_NONE, "__AVR_ATxmega64A1__",  0x2000, 0x0, 0x11000, 0)
diff --git a/gcc/config/avr/gen-avr-mmcu-specs.cc b/gcc/config/avr/gen-avr-mmcu-specs.cc
index bf9aa2c46e2..1b75e05ade0 100644
--- a/gcc/config/avr/gen-avr-mmcu-specs.cc
+++ b/gcc/config/avr/gen-avr-mmcu-specs.cc
@@ -279,7 +279,7 @@ print_mcu (const avr_mcu_t *mcu)
   if (is_device)
     {
       fprintf (f, "*self_spec:\n");
-      fprintf (f, "\t%%{!mmcu=avr*: %%<mmcu=* -mmcu=%s} ", arch->name);
+      fprintf (f, "\t%%<mmcu=* -mmcu=%s ", arch->name);
       fprintf (f, "%s ", rcall_spec);
       fprintf (f, "%s\n\n", sp8_spec);
 
diff --git a/gcc/config/avr/gen-avr-mmcu-texi.cc b/gcc/config/avr/gen-avr-mmcu-texi.cc
index d9c3a30877d..b1f12f5e562 100644
--- a/gcc/config/avr/gen-avr-mmcu-texi.cc
+++ b/gcc/config/avr/gen-avr-mmcu-texi.cc
@@ -53,7 +53,7 @@ c_prefix (const char *str)
 {
   static const char *const prefixes[] =
     {
-      "attiny", "atmega", "atxmega", "ata", "at90"
+      "attiny", "atmega", "atxmega", "ata", "at90", "avr"
     };
 
   int i, n = (int) (sizeof (prefixes) / sizeof (*prefixes));
diff --git a/gcc/doc/avr-mmcu.texi b/gcc/doc/avr-mmcu.texi
index 8c09f08e53c..c3e9817928a 100644
--- a/gcc/doc/avr-mmcu.texi
+++ b/gcc/doc/avr-mmcu.texi
@@ -50,15 +50,15 @@
 
 @item avrxmega2
 ``XMEGA'' devices with more than 8@tie{}KiB and up to 64@tie{}KiB of program memory.
-@*@var{mcu}@tie{}= @code{atxmega8e5}, @code{atxmega16a4}, @code{atxmega16a4u}, @code{atxmega16c4}, @code{atxmega16d4}, @code{atxmega16e5}, @code{atxmega32a4}, @code{atxmega32a4u}, @code{atxmega32c3}, @code{atxmega32c4}, @code{atxmega32d3}, @code{atxmega32d4}, @code{atxmega32e5}.
+@*@var{mcu}@tie{}= @code{atxmega8e5}, @code{atxmega16a4}, @code{atxmega16a4u}, @code{atxmega16c4}, @code{atxmega16d4}, @code{atxmega16e5}, @code{atxmega32a4}, @code{atxmega32a4u}, @code{atxmega32c3}, @code{atxmega32c4}, @code{atxmega32d3}, @code{atxmega32d4}, @code{atxmega32e5}, @code{avr64da28}, @code{avr64da32}, @code{avr64da48}, @code{avr64da64}, @code{avr64db28}, @code{avr64db32}, @code{avr64db48}, @code{avr64db64}.
 
 @item avrxmega3
 ``XMEGA'' devices with up to 64@tie{}KiB of combined program memory and RAM, and with program memory visible in the RAM address space.
-@*@var{mcu}@tie{}= @code{attiny202}, @code{attiny204}, @code{attiny212}, @code{attiny214}, @code{attiny402}, @code{attiny404}, @code{attiny406}, @code{attiny412}, @code{attiny414}, @code{attiny416}, @code{attiny417}, @code{attiny804}, @code{attiny806}, @code{attiny807}, @code{attiny814}, @code{attiny816}, @code{attiny817}, @code{attiny1604}, @code{attiny1606}, @code{attiny1607}, @code{attiny1614}, @code{attiny1616}, @code{attiny1617}, @code{attiny3214}, @code{attiny3216}, @code{attiny3217}, @code{atmega808}, @code{atmega809}, @code{atmega1608}, @code{atmega1609}, @code{atmega3208}, @code{atmega3209}, @code{atmega4808}, @code{atmega4809}.
+@*@var{mcu}@tie{}= @code{attiny202}, @code{attiny204}, @code{attiny212}, @code{attiny214}, @code{attiny402}, @code{attiny404}, @code{attiny406}, @code{attiny412}, @code{attiny414}, @code{attiny416}, @code{attiny417}, @code{attiny804}, @code{attiny806}, @code{attiny807}, @code{attiny814}, @code{attiny816}, @code{attiny817}, @code{attiny1604}, @code{attiny1606}, @code{attiny1607}, @code{attiny1614}, @code{attiny1616}, @code{attiny1617}, @code{attiny3214}, @code{attiny3216}, @code{attiny3217}, @code{atmega808}, @code{atmega809}, @code{atmega1608}, @code{atmega1609}, @code{atmega3208}, @code{atmega3209}, @code{atmega4808}, @code{atmega4809}, @code{avr32da28}, @code{avr32da32}, @code{avr32da48}, @code{avr32db28}, @code{avr32db32}, @code{avr32db48}.
 
 @item avrxmega4
 ``XMEGA'' devices with more than 64@tie{}KiB and up to 128@tie{}KiB of program memory.
-@*@var{mcu}@tie{}= @code{atxmega64a3}, @code{atxmega64a3u}, @code{atxmega64a4u}, @code{atxmega64b1}, @code{atxmega64b3}, @code{atxmega64c3}, @code{atxmega64d3}, @code{atxmega64d4}.
+@*@var{mcu}@tie{}= @code{atxmega64a3}, @code{atxmega64a3u}, @code{atxmega64a4u}, @code{atxmega64b1}, @code{atxmega64b3}, @code{atxmega64c3}, @code{atxmega64d3}, @code{atxmega64d4}, @code{avr128da28}, @code{avr128da32}, @code{avr128da48}, @code{avr128da64}, @code{avr128db28}, @code{avr128db32}, @code{avr128db48}, @code{avr128db64}.
 
 @item avrxmega5
 ``XMEGA'' devices with more than 64@tie{}KiB and up to 128@tie{}KiB of program memory and more than 64@tie{}KiB of RAM.
