--- hardware/arduino/boards.txt.orig	2024-01-29 02:52:44 UTC
+++ hardware/arduino/boards.txt
@@ -565,3 +565,40 @@ robotMotor.build.pid=0x8039
 robotMotor.build.core=robot
 robotMotor.build.variant=robot_motor
 
+##############################################################
+
+atmega644.name=ATmega644
+atmega644.upload.protocol=stk500
+atmega644.upload.maximum_size=63488
+atmega644.upload.speed=38400
+atmega644.bootloader.low_fuses=0xFF
+atmega644.bootloader.high_fuses=0xDC
+atmega644.bootloader.extended_fuses=0xFD
+atmega644.bootloader.path=atmega644p
+atmega644.bootloader.file=atmega644p
+atmega644.bootloader.unlock_bits=0x3F
+atmega644.bootloader.lock_bits=0x0F
+atmega644.build.mcu=atmega644p
+atmega644.build.f_cpu=16000000L
+atmega644.build.core=atmega644
+atmega644.build.variant=atmega644p
+
+##############################################################
+
+atmega1284.name=ATmega1284
+atmega1284.upload.protocol=stk500
+atmega1284.upload.maximum_size=129024
+atmega1284.upload.speed=38400
+atmega1284.bootloader.low_fuses=0xFF
+atmega1284.bootloader.high_fuses=0xDC
+atmega1284.bootloader.extended_fuses=0xFD
+atmega1284.bootloader.path=atmega1284p
+atmega1284.bootloader.file=atmega1284p
+atmega1284.bootloader.unlock_bits=0x3F
+atmega1284.bootloader.lock_bits=0x0F
+atmega1284.build.mcu=atmega1284p
+atmega1284.build.f_cpu=16000000L
+atmega1284.build.core=atmega1284
+atmega1284.build.variant=atmega644p
+
+##############################################################