From 1c0703d867a891624a583b6db5e0252ce1adcb33 Mon Sep 17 00:00:00 2001
From: patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>
Date: Sat, 30 Jan 2010 04:43:54 +0000
Subject: [PATCH] Fix SRAM1 base address

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2530 42af7a65-404d-4744-a932-0658087f49c3
---
 configs/sam3u-ek/ostest/defconfig | 11 ++++++-----
 configs/sam3u-ek/ostest/ld.script | 18 ++++++++++--------
 2 files changed, 16 insertions(+), 13 deletions(-)

diff --git a/configs/sam3u-ek/ostest/defconfig b/configs/sam3u-ek/ostest/defconfig
index d7d593a8b44..354cbea01f7 100755
--- a/configs/sam3u-ek/ostest/defconfig
+++ b/configs/sam3u-ek/ostest/defconfig
@@ -1,7 +1,7 @@
 ############################################################################
 # configs/sam3u-ek/ostest/defconfig
 #
-#   Copyright (C) 2009 Gregory Nutt. All rights reserved.
+#   Copyright (C) 2009-2010 Gregory Nutt. All rights reserved.
 #   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
 #
 # Redistribution and use in source and binary forms, with or without
@@ -73,11 +73,11 @@ CONFIG_ARCH=arm
 CONFIG_ARCH_ARM=y
 CONFIG_ARCH_CORTEXM3=y
 CONFIG_ARCH_CHIP=sam3u
-CONFIG_ARCH_CHIP_AT91SAM3U4=y
+CONFIG_ARCH_CHIP_AT91SAM3U4E=y
 CONFIG_ARCH_BOARD=sam3u-ek
 CONFIG_ARCH_BOARD_SAM3UEK=y
-CONFIG_BOARD_LOOPSPERMSEC=5483
-CONFIG_DRAM_SIZE=0x0000c000
+CONFIG_BOARD_LOOPSPERMSEC=4768
+CONFIG_DRAM_SIZE=0x00008000
 CONFIG_DRAM_START=0x20000000
 CONFIG_DRAM_END=(CONFIG_DRAM_START+CONFIG_DRAM_SIZE)
 CONFIG_ARCH_IRQPRIO=y
@@ -105,6 +105,7 @@ CONFIG_SAM3U_USART0=n
 CONFIG_SAM3U_USART1=n
 CONFIG_SAM3U_USART2=n
 CONFIG_SAM3U_USART3=n
+CONFIG_SAM3U_NAND=n
 
 #
 # Some subsystems can be configured to operate in different ways..
@@ -293,7 +294,7 @@ CONFIG_EXAMPLE=ostest
 CONFIG_DEBUG=n
 CONFIG_DEBUG_VERBOSE=n
 CONFIG_DEBUG_SYMBOLS=n
-CONFIG_MM_REGIONS=1
+CONFIG_MM_REGIONS=3
 CONFIG_ARCH_LOWPUTC=y
 CONFIG_RR_INTERVAL=200
 CONFIG_SCHED_INSTRUMENTATION=n
diff --git a/configs/sam3u-ek/ostest/ld.script b/configs/sam3u-ek/ostest/ld.script
index b1764bc3722..b447ef89f85 100755
--- a/configs/sam3u-ek/ostest/ld.script
+++ b/configs/sam3u-ek/ostest/ld.script
@@ -33,8 +33,9 @@
  *
  ****************************************************************************/
 
-/* The AT91SAM3U-4 has 256Kb of FLASH beginning at address 0x0008:0000 and
- * 48Kb of SRAM beginning at address 0x2000:0000.  When booting from FLASH,
+/* The AT91SAM3U-4 has 256Kb of FLASH beginning at address 0x0008:0000, 
+ * 32Kb of SRAM beginning at address 0x2000:0000, and 16Kb of SRAM beginning
+ * at address 0x2008:000 (used only for heap).  When booting from FLASH,
  * FLASH memory is aliased to address 0x0000:0000 where the code expects to
  * begin execution by jumping to the entry point in the 0x0800:0000 address
  * range.
@@ -42,8 +43,9 @@
 
 MEMORY
 {
-    flash (rx) : ORIGIN = 0x00080000, LENGTH = 256K
-    sram (rwx) : ORIGIN = 0x20000000, LENGTH = 48K
+    flash (rx)  : ORIGIN = 0x00080000, LENGTH = 256K
+    sram1 (rwx) : ORIGIN = 0x20000000, LENGTH = 32K
+    sram2 (rwx) : ORIGIN = 0x20080000, LENGTH = 16K
 }
 
 OUTPUT_ARCH(arm)
@@ -74,17 +76,17 @@ SECTIONS
 		*(.gnu.linkonce.d.*)
 		CONSTRUCTORS
 		_edata = ABSOLUTE(.);
-	} > sram AT > flash
+	} > sram1 AT > flash
 
 	.ARM.extab : {
 		*(.ARM.extab*)
-	} >sram
+	} >sram1
 
 	.ARM.exidx : {
 		__exidx_start = ABSOLUTE(.);
 		*(.ARM.exidx*)
 		__exidx_end = ABSOLUTE(.);
-	} >sram
+	} >sram1
 
 	.bss : {			/* BSS				*/
 		_sbss = ABSOLUTE(.);
@@ -92,7 +94,7 @@ SECTIONS
 		*(.gnu.linkonce.b.*)
 		*(COMMON)
 		_ebss = ABSOLUTE(.);
-	} > sram
+	} > sram1
 					/* Stabs debugging sections.	*/
 	.stab 0 : { *(.stab) }
 	.stabstr 0 : { *(.stabstr) }