--- /dev/null	2012-12-26 20:59:44.000000000 -0800
+++ hardware/arduino/variants/atmega644p/pins_arduino.h	2012-12-26 21:12:00.000000000 -0800
@@ -0,0 +1,224 @@
+/*
+  pins_arduino.h - Pin definition functions for Arduino
+  Part of Arduino - http://www.arduino.cc/
+
+  Copyright (c) 2007 David A. Mellis
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General
+  Public License along with this library; if not, write to the
+  Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+  Boston, MA  02111-1307  USA
+
+  $Id: pins_arduino.h 5 2012-07-30 03:39:31Z leres $
+*/
+
+#ifndef Pins_Arduino_h
+#define Pins_Arduino_h
+
+#include <avr/pgmspace.h>
+
+#define NUM_DIGITAL_PINS            32
+#define NUM_ANALOG_INPUTS           8
+#define analogInputToDigitalPin(p)  ((p < 8) ? ((p) - 7) + 24 : -1)
+#define digitalPinHasPWM(p) \
+    ((p) == 4 || (p) == 5 || (p) == 12 || (p) == 13 || (p) == 14 || (p) == 15)
+
+static const uint8_t SS   = 4;
+static const uint8_t MOSI = 5;
+static const uint8_t MISO = 6;
+static const uint8_t SCK  = 7;
+static const uint8_t SCL  = 16;
+static const uint8_t SDA  = 17;
+
+static const uint8_t A0 = 14;
+static const uint8_t A1 = 15;
+static const uint8_t A2 = 16;
+static const uint8_t A3 = 17;
+static const uint8_t A4 = 18;
+static const uint8_t A5 = 19;
+static const uint8_t A6 = 20;
+static const uint8_t A7 = 21;
+
+#ifdef notdef
+/* XXX not yet */
+#define digitalPinToPCICR(p)    (((p) >= 0 && (p) <= 21) ? (&PCICR) : ((uint8_t *)0))
+#define digitalPinToPCICRbit(p) (((p) <= 7) ? 2 : (((p) <= 13) ? 0 : 1))
+#define digitalPinToPCMSK(p)    (((p) <= 7) ? (&PCMSK2) : (((p) <= 13) ? (&PCMSK0) : (((p) <= 21) ? (&PCMSK1) : ((uint8_t *)0))))
+#define digitalPinToPCMSKbit(p) (((p) <= 7) ? (p) : (((p) <= 13) ? ((p) - 8) : ((p) - 14)))
+#endif
+
+#ifdef ARDUINO_MAIN
+
+// Digital pins are also used for the analog output (software PWM).
+// Analog input pins are a separate set.
+
+// ATMEL ATMEGA644P
+//
+//                  +---\/---+
+//     (D 0)  PB0  1|        |40  PA0 (AI 0)
+//     (D 1)  PB1  2|        |39  PA1 (AI 1)
+//     (D 2)  PB2  3|        |38  PA2 (AI 2)
+//     (D 3)  PB3  4|        |37  PA3 (AI 3)
+// PWM (D 4)  PB4  5|        |36  PA4 (AI 4)
+// PWM (D 5)  PB5  6|        |35  PA5 (AI 5)
+//     (D 6)  PB6  7|        |34  PA6 (AI 6)
+//            PB7  8|        |33  PA7 (AI 7)
+//          RESET  9|        |32  AREF
+//            VCC 10|        |31  GND
+//            GND 11|        |30  AVCC
+//          XTAL2 12|        |29  PC7 (D 23)
+//          XTAL1 13|        |28  PC6 (D 22)
+//     (D 8)  PD0 14|        |27  PC5 (D 21)
+//     (D 9)  PD1 15|        |26  PC4 (D 20)
+//     (D 10) PD2 16|        |25  PC3 (D 19)
+//     (D 11) PD3 17|        |24  PC2 (D 18)
+// PWM (D 12) PD4 18|        |23  PC1 (D 17)
+// PWM (D 13) PD5 19|        |22  PC0 (D 16)
+// PWM (D 14) PD6 20|        |21  PD7 (D 15) PWM
+//                  +--------+
+
+// these arrays map port names (e.g. port B) to the
+// appropriate addresses for various functions (e.g. reading
+// and writing)
+const uint16_t PROGMEM port_to_mode_PGM[] = {
+	NOT_A_PORT,
+	(uint16_t) &DDRA,
+	(uint16_t) &DDRB,
+	(uint16_t) &DDRC,
+	(uint16_t) &DDRD,
+};
+
+const uint16_t PROGMEM port_to_output_PGM[] = {
+	NOT_A_PORT,
+	(uint16_t) &PORTA,
+	(uint16_t) &PORTB,
+	(uint16_t) &PORTC,
+	(uint16_t) &PORTD,
+};
+
+const uint16_t PROGMEM port_to_input_PGM[] = {
+	NOT_A_PORT,
+	(uint16_t) &PINA,
+	(uint16_t) &PINB,
+	(uint16_t) &PINC,
+	(uint16_t) &PIND,
+};
+
+const uint8_t PROGMEM digital_pin_to_port_PGM[] = {
+	PB, /* 0 */
+	PB,
+	PB,
+	PB,
+	PB,
+	PB,
+	PB,
+	PB,
+	PD, /* 8 */
+	PD,
+	PD,
+	PD,
+	PD,
+	PD,
+	PD,
+	PD,
+	PC, /* 16 */
+	PC,
+	PC,
+	PC,
+	PC,
+	PC,
+	PC,
+	PC,
+	PA, /* 24 */
+	PA,
+	PA,
+	PA,
+	PA,
+	PA,
+	PA,
+	PA  /* 31 */
+};
+
+const uint8_t PROGMEM digital_pin_to_bit_mask_PGM[] = {
+	_BV(0), /* 0, port B */
+	_BV(1),
+	_BV(2),
+	_BV(3),
+	_BV(4),
+	_BV(5),
+	_BV(6),
+	_BV(7),
+	_BV(0), /* 8, port D */
+	_BV(1),
+	_BV(2),
+	_BV(3),
+	_BV(4),
+	_BV(5),
+	_BV(6),
+	_BV(7),
+	_BV(0), /* 16, port C */
+	_BV(1),
+	_BV(2),
+	_BV(3),
+	_BV(4),
+	_BV(5),
+	_BV(6),
+	_BV(7),
+	_BV(7), /* 24, port A */
+	_BV(6),
+	_BV(5),
+	_BV(4),
+	_BV(3),
+	_BV(2),
+	_BV(1),
+	_BV(0)
+};
+
+const uint8_t PROGMEM digital_pin_to_timer_PGM[] = {
+	NOT_ON_TIMER,	/* 0  - PB0 */
+	NOT_ON_TIMER,	/* 1  - PB1 */
+	NOT_ON_TIMER,	/* 2  - PB2 */
+	TIMER0A,	/* 3  - PB3 */
+	TIMER0B,	/* 4  - PB4 */
+	NOT_ON_TIMER,	/* 5  - PB5 */
+	NOT_ON_TIMER,	/* 6  - PB6 */
+	NOT_ON_TIMER,	/* 7  - PB7 */
+	NOT_ON_TIMER,	/* 8  - PD0 */
+	NOT_ON_TIMER,	/* 9  - PD1 */
+	NOT_ON_TIMER,	/* 10 - PD2 */
+	NOT_ON_TIMER,	/* 11 - PD3 */
+	TIMER1B,	/* 12 - PD4 */
+	TIMER1A,	/* 13 - PD5 */
+	TIMER2B,	/* 14 - PD6 */
+	TIMER2A,	/* 15 - PD7 */
+	NOT_ON_TIMER,	/* 16 - PC0 */
+	NOT_ON_TIMER,	/* 17 - PC1 */
+	NOT_ON_TIMER,	/* 18 - PC2 */
+	NOT_ON_TIMER,	/* 19 - PC3 */
+	NOT_ON_TIMER,	/* 20 - PC4 */
+	NOT_ON_TIMER,	/* 21 - PC5 */
+	NOT_ON_TIMER,	/* 22 - PC6 */
+	NOT_ON_TIMER,	/* 23 - PC7 */
+	NOT_ON_TIMER,	/* 24 - PA0 */
+	NOT_ON_TIMER,	/* 25 - PA1 */
+	NOT_ON_TIMER,	/* 26 - PA2 */
+	NOT_ON_TIMER,	/* 27 - PA3 */
+	NOT_ON_TIMER,	/* 28 - PA4 */
+	NOT_ON_TIMER,	/* 29 - PA5 */
+	NOT_ON_TIMER,	/* 30 - PA6 */
+	NOT_ON_TIMER	/* 31 - PA7 */
+};
+
+#endif
+
+#endif
