fix base adresses in sam3 devices with multiple sram blocks, add nfc section

ld/devices.data

@@ -137,8 +137,8 @@ stm32w108cc stm32w ROM=256K RAM=16K
 ################################################################################
 # the SAM3 chips
 
-sam3a4* sam3a ROM=256K RAM=64K
-sam3a8* sam3a ROM=512K RAM=96K
+sam3a4* sam3a ROM=256K RAM=32K RAM1=32K
+sam3a8* sam3a ROM=512K RAM=64K RAM1=32K
 
 sam3n00* sam3n ROM=16K RAM=4K
 sam3n0* sam3n ROM=32K RAM=8K
@@ -150,12 +150,14 @@ sam3s1* sam3s ROM=64K RAM=16K
 sam3s2* sam3s ROM=128K RAM=32K
 sam3s4* sam3s ROM=256K RAM=48K
 
-sam3u1* sam3u ROM=64K RAM=20K
-sam3u2* sam3u ROM=128K RAM=36K
-sam3u4* sam3u ROM=256K RAM=52K
+sam3u1* sam3u ROM=64K RAM=8K RAM1=8K
+sam3u2* sam3u ROM=128K RAM=16K RAM1=16K
+sam3u4* sam3u ROM=265K RAM=32K RAM1=16K
 
-sam3x4* sam3x ROM=256K RAM=64K
-sam3x8* sam3x ROM=512K RAM=96K
+sam3x4c* sam3x ROM=256K RAM=32K RAM1=32K
+sam3x4e* sam3xnfc ROM=256K RAM=32K RAM1=32K
+sam3x8c* sam3x ROM=512K RAM=64K RAM1=32K
+sam3x8e* sam3xnfc ROM=512K RAM=64K RAM1=32K
 
 ################################################################################
 # the lpc chips
@@ -295,6 +297,10 @@ stm32f3ccm stm32f3 CCM_OFF=0x10000000
 stm32f4ccm stm32f4 CCM_OFF=0x10000000
 stm32l1eep stm32l1 EEP_OFF=0x08080000
 
+################################################################################
+# the SAM3 family groups
+sam3xnfc sam3x NFCRAM=4K NFCRAM_OFF=0x20100000
+
 ################################################################################
 # the lpc family groups
 
@@ -321,11 +327,11 @@ stm32t stm32 ROM_OFF=0x08000000 RAM_OFF=0x20000000 -mcpu=cortex-m3 -mthumb
 ################################################################################
 # the SAM3 families
 
-sam3a sam3 ROM_OFF=0x00800000 RAM_OFF=0x20000000
+sam3a sam3 ROM_OFF=0x00080000 RAM_OFF=0x20000000 RAM1_OFF=0x20080000
 sam3n sam3 ROM_OFF=0x00400000 RAM_OFF=0x20000000
 sam3s sam3 ROM_OFF=0x00400000 RAM_OFF=0x20000000
-sam3u sam3 ROM_OFF=0x00080000 RAM_OFF=0x20000000
-sam3x sam3 ROM_OFF=0x00800000 RAM_OFF=0x20000000
+sam3u sam3 ROM_OFF=0x00080000 RAM_OFF=0x20000000 RAM1_OFF=0x20080000 NFCRAM=4K NFCRAM_OFF=0x20100000
+sam3x sam3 ROM_OFF=0x00080000 RAM_OFF=0x20000000 RAM1_OFF=0x20080000
 
 ################################################################################
 # the lpc families

ld/linker.ld.S

@@ -59,6 +59,9 @@ MEMORY
 #if defined(_XDRAM)
 	xdram (rw) : ORIGIN = _XDRAM_OFF, LENGTH = _XDRAM
 #endif
+#if defined(_NFCRAM)
+	nfcram (rw) : ORIGIN _NFCRAM_OFF, LENGTH = _NFCRAM
+#endif
 }
 
 /* Define sections. */
@@ -169,6 +172,13 @@ SECTIONS
 	} >xdram
 #endif
 
+#if defined(_NFCRAM)
+	.nfcram : {
+		*(.nfcram*)
+		. = ALIGN(4);
+	} >nfcram
+#endif
+
 	/*
 	 * The .eh_frame section appears to be used for C++ exception handling.
 	 * You may need to fix this if you're using C++.