Blackfin: linker scripts: force start.o and set initcode boundaries

Make sure that the start.o object is always the first object in our linker
script regardless of configuration settings, and add some linker symbols
so the ldr utility can properly locate the initcode when generating a LDR.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

board/bf533-ezkit/u-boot.lds.S

@@ -54,6 +54,8 @@ SECTIONS
 {
 	.text :
 	{
+		cpu/blackfin/start.o (.text)
+
 #ifdef ENV_IS_EMBEDDED
 		/* WARNING - the following is hand-optimized to fit within
 		 * the sector before the environment sector. If it throws
@@ -61,7 +63,6 @@ SECTIONS
 		 * it linked after the configuration sector.
 		 */
 
-		cpu/blackfin/start.o		(.text)
 		cpu/blackfin/traps.o		(.text)
 		cpu/blackfin/interrupt.o	(.text)
 		cpu/blackfin/serial.o		(.text)
@@ -74,6 +75,10 @@ SECTIONS
 		common/env_embedded.o	(.text)
 #endif
 
+		__initcode_start = .;
+		cpu/blackfin/initcode.o (.text)
+		__initcode_end = .;
+
 		*(.text .text.*)
 	} >ram
 

board/bf533-stamp/u-boot.lds.S

@@ -54,6 +54,8 @@ SECTIONS
 {
 	.text :
 	{
+		cpu/blackfin/start.o (.text)
+
 #ifdef ENV_IS_EMBEDDED
 		/* WARNING - the following is hand-optimized to fit within
 		 * the sector before the environment sector. If it throws
@@ -61,7 +63,6 @@ SECTIONS
 		 * it linked after the configuration sector.
 		 */
 
-		cpu/blackfin/start.o		(.text)
 		cpu/blackfin/traps.o		(.text)
 		cpu/blackfin/interrupt.o	(.text)
 		cpu/blackfin/serial.o		(.text)
@@ -72,6 +73,10 @@ SECTIONS
 		common/env_embedded.o	(.text)
 #endif
 
+		__initcode_start = .;
+		cpu/blackfin/initcode.o (.text)
+		__initcode_end = .;
+
 		*(.text .text.*)
 	} >ram
 

board/bf537-stamp/u-boot.lds.S

@@ -54,6 +54,8 @@ SECTIONS
 {
 	.text :
 	{
+		cpu/blackfin/start.o (.text)
+
 #ifdef ENV_IS_EMBEDDED
 		/* WARNING - the following is hand-optimized to fit within
 		 * the sector before the environment sector. If it throws
@@ -61,7 +63,6 @@ SECTIONS
 		 * it linked after the configuration sector.
 		 */
 
-		cpu/blackfin/start.o		(.text)
 		cpu/blackfin/traps.o		(.text)
 		cpu/blackfin/interrupt.o	(.text)
 		cpu/blackfin/serial.o		(.text)
@@ -72,6 +73,10 @@ SECTIONS
 		common/env_embedded.o	(.text)
 #endif
 
+		__initcode_start = .;
+		cpu/blackfin/initcode.o (.text)
+		__initcode_end = .;
+
 		*(.text .text.*)
 	} >ram
 

board/bf561-ezkit/u-boot.lds.S

@@ -54,6 +54,8 @@ SECTIONS
 {
 	.text :
 	{
+		cpu/blackfin/start.o (.text)
+
 #ifdef ENV_IS_EMBEDDED
 		/* WARNING - the following is hand-optimized to fit within
 		 * the sector before the environment sector. If it throws
@@ -61,7 +63,6 @@ SECTIONS
 		 * it linked after the configuration sector.
 		 */
 
-		cpu/blackfin/start.o		(.text)
 		cpu/blackfin/traps.o		(.text)
 		cpu/blackfin/interrupt.o	(.text)
 		cpu/blackfin/serial.o		(.text)
@@ -74,6 +75,10 @@ SECTIONS
 		common/env_embedded.o	(.text)
 #endif
 
+		__initcode_start = .;
+		cpu/blackfin/initcode.o (.text)
+		__initcode_end = .;
+
 		*(.text .text.*)
 	} >ram