From 3746305f12742399ec93a5096b28df9df2e33634 Mon Sep 17 00:00:00 2001
From: Dimitry Kloper <dikloper@cisco.com>
Date: Tue, 29 Dec 2015 19:08:13 +0200
Subject: [PATCH] AVR: Minor adapt to a differnt TIMER IRQ notions for
 Atmega2560

---
 arch/avr/src/atmega/atmega_timerisr.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/arch/avr/src/atmega/atmega_timerisr.c b/arch/avr/src/atmega/atmega_timerisr.c
index 04726ea9aa..6eadb667de 100644
--- a/arch/avr/src/atmega/atmega_timerisr.c
+++ b/arch/avr/src/atmega/atmega_timerisr.c
@@ -172,11 +172,17 @@ void up_timer_initialize(void)
 
   /* Attach the timer interrupt vector */
 
+#if defined(ATMEGA_IRQ_T1COMPA)
   (void)irq_attach(ATMEGA_IRQ_T1COMPA, (xcpt_t)up_timerisr);
-
+#elif defined(ATMEGA_IRQ_TIM1_COMPA)
+  (void)irq_attach(ATMEGA_IRQ_TIM1_COMPA, (xcpt_t)up_timerisr);
+#else
+# error "Unable to find IRQ for timer"
+#endif
+  
   /* Enable the interrupt on compare match A */
 
-#ifdef CONFIG_ARCH_CHIP_ATMEGA1284P
+#if defined(TIMSK1)
   TIMSK1 |= (1 << OCIE1A);
 #else
   TIMSK |= (1 << OCIE1A);