From 632a14023c0efd27305a7dd91c5669ef63cb1b55 Mon Sep 17 00:00:00 2001
From: Alessio Morale <alessiomorale@gmail.com>
Date: Mon, 17 Nov 2014 21:41:42 +0100
Subject: [PATCH] REVONANO - exclude ccram stuffs

---
 flight/pios/stm32f4xx/link_STM32F4xx_RN_sections.ld | 6 +++---
 flight/pios/stm32f4xx/startup.c                     | 4 ++--
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/flight/pios/stm32f4xx/link_STM32F4xx_RN_sections.ld b/flight/pios/stm32f4xx/link_STM32F4xx_RN_sections.ld
index 10a7f2514..b728c80f1 100644
--- a/flight/pios/stm32f4xx/link_STM32F4xx_RN_sections.ld
+++ b/flight/pios/stm32f4xx/link_STM32F4xx_RN_sections.ld
@@ -83,7 +83,7 @@ SECTIONS
     	_irq_stack_end = . ;
     	*(.irqstack)
     	_irq_stack_top = . ;
-	} > CCSRAM
+	} > SRAM
 
 
 	/*
@@ -132,14 +132,14 @@ SECTIONS
 
 	/*
 	 * 'Fast' memory goes in the CCM SRAM
-	 */
+	 
 	.fast (NOLOAD) :
 	{
 		_sfast = . ;
 		*(.fast)
 		_efast = . ;
 	} > CCSRAM
-
+*/
     /* Stabs debugging sections.  */
     .stab          0 : { *(.stab) }
     .stabstr       0 : { *(.stabstr) }
diff --git a/flight/pios/stm32f4xx/startup.c b/flight/pios/stm32f4xx/startup.c
index efab7b6f6..b11f3a0cc 100644
--- a/flight/pios/stm32f4xx/startup.c
+++ b/flight/pios/stm32f4xx/startup.c
@@ -85,10 +85,10 @@ void _main(void)
 
     /* zero the BSS */
     memset(&_sbss, 0, &_ebss - &_sbss);
-
+#ifdef PIOS_TARGET_PROVIDES_FAST_HEAP
     /* zero any 'fast' RAM that's been used */
     memset(&_sfast, 0, &_efast - &_sfast);
-
+#endif
     /* fill most of the IRQ/bootstrap stack with a watermark pattern so we can measure how much is used */
     /* leave a little space at the top in case memset() isn't a leaf with no locals */
     memset(&irq_stack, 0xa5, sizeof(irq_stack) - 64);