sh: make the linker scripts more generic

currently we need to sync the linker script enty and TEXT_BASE manualy
and the reloc_dst is based on it

instead provide it now from the ldflags

tested on r2dplus

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>

15 files changed, 34 insertions, 314 deletions

diff --git a/Makefile b/Makefile
index cf96900..8d05103 100644
--- a/Makefile
+++ b/Makefile
@@ -3534,14 +3534,9 @@ sh7785lcr_config  :   unconfig
 	@echo "#define CONFIG_SH7785LCR 1" > $(obj)include/config.h
 	@if [ "$(findstring 32bit, $@)" ] ; then \
 		echo "#define CONFIG_SH_32BIT 1" >> $(obj)include/config.h ; \
-		cp $(obj)board/renesas/sh7785lcr/u-boot_32bit \
-			$(obj)board/renesas/sh7785lcr/u-boot.lds ; \
 		echo "TEXT_BASE = 0x8ff80000" > \
 			$(obj)board/renesas/sh7785lcr/config.tmp ; \
 		  $(XECHO) " ... enable 32-Bit Address Extended Mode" ; \
-	else \
-		cp $(obj)board/renesas/sh7785lcr/u-boot_29bit \
-			$(obj)board/renesas/sh7785lcr/u-boot.lds ; \
 	fi
 	@$(MKCONFIG) -a $(call xtract_sh7785lcr,$@) sh sh4 sh7785lcr renesas
 
diff --git a/board/mpr2/u-boot.lds b/board/mpr2/u-boot.lds
index deae344..1e55b83 100644
--- a/board/mpr2/u-boot.lds
+++ b/board/mpr2/u-boot.lds
@@ -34,16 +34,9 @@ ENTRY(_start)
 SECTIONS
 {
 	/*
-	   Base address of internal SDRAM is 0x8C000000.
-	   U-Boot resides in the last 256 kB of the 64 MB.
-
-	   NOTE: This address must match with the definition of
-	   TEXT_BASE in config.mk (in this directory).
-
-	*/
-	. = 0x8C000000 + (64*1024*1024) - (256*1024);
-
-	PROVIDE (reloc_dst = .);
+	 * entry and reloct_dst will be provided via ldflags
+	 */
+	. = .;
 
 	PROVIDE (_ftext = .);
 	PROVIDE (_fcode = .);
diff --git a/board/ms7720se/u-boot.lds b/board/ms7720se/u-boot.lds
index 1f9b792..b006dc8 100644
--- a/board/ms7720se/u-boot.lds
+++ b/board/ms7720se/u-boot.lds
@@ -31,18 +31,9 @@ ENTRY(_start)
 SECTIONS
 {
 	/*
-	   Base address of internal SDRAM is 0x0C000000.
-	   Although size of SDRAM can be either 16 or 32 MBytes,
-	   we assume 16 MBytes (ie ignore upper half if the full
-	   32 MBytes is present).
-
-	   NOTE: This address must match with the definition of
-	   TEXT_BASE in config.mk (in this directory).
-
-	*/
-	. = 0x8C000000 + (64*1024*1024) - (256*1024);
-
-	PROVIDE (reloc_dst = .);
+	 * entry and reloct_dst will be provided via ldflags
+	 */
+	. = .;
 
 	PROVIDE (_ftext = .);
 	PROVIDE (_fcode = .);
diff --git a/board/ms7722se/u-boot.lds b/board/ms7722se/u-boot.lds
index 7b0fb67..2ae4f20 100644
--- a/board/ms7722se/u-boot.lds
+++ b/board/ms7722se/u-boot.lds
@@ -28,18 +28,9 @@ ENTRY(_start)
 SECTIONS
 {
 	/*
-	   Base address of internal SDRAM is 0x0C000000.
-	   Although size of SDRAM can be either 16 or 32 MBytes,
-	   we assume 16 MBytes (ie ignore upper half if the full
-	   32 MBytes is present).
-
-	   NOTE: This address must match with the definition of
-	   TEXT_BASE in config.mk (in this directory).
-
-	*/
-	. = 0x8C000000 + (64*1024*1024) - (256*1024);
-
-	PROVIDE (reloc_dst = .);
+	 * entry and reloct_dst will be provided via ldflags
+	 */
+	. = .;
 
 	PROVIDE (_ftext = .);
 	PROVIDE (_fcode = .);
diff --git a/board/ms7750se/u-boot.lds b/board/ms7750se/u-boot.lds
index 7b0fb67..2ae4f20 100644
--- a/board/ms7750se/u-boot.lds
+++ b/board/ms7750se/u-boot.lds
@@ -28,18 +28,9 @@ ENTRY(_start)
 SECTIONS
 {
 	/*
-	   Base address of internal SDRAM is 0x0C000000.
-	   Although size of SDRAM can be either 16 or 32 MBytes,
-	   we assume 16 MBytes (ie ignore upper half if the full
-	   32 MBytes is present).
-
-	   NOTE: This address must match with the definition of
-	   TEXT_BASE in config.mk (in this directory).
-
-	*/
-	. = 0x8C000000 + (64*1024*1024) - (256*1024);
-
-	PROVIDE (reloc_dst = .);
+	 * entry and reloct_dst will be provided via ldflags
+	 */
+	. = .;
 
 	PROVIDE (_ftext = .);
 	PROVIDE (_fcode = .);
diff --git a/board/renesas/MigoR/u-boot.lds b/board/renesas/MigoR/u-boot.lds
index c004b83..cd40d07 100644
--- a/board/renesas/MigoR/u-boot.lds
+++ b/board/renesas/MigoR/u-boot.lds
@@ -28,18 +28,9 @@ ENTRY(_start)
 SECTIONS
 {
 	/*
-	   Base address of internal SDRAM is 0x0C000000.
-	   Although size of SDRAM can be either 16 or 32 MBytes,
-	   we assume 16 MBytes (ie ignore upper half if the full
-	   32 MBytes is present).
-
-	   NOTE: This address must match with the definition of
-	   TEXT_BASE in config.mk (in this directory).
-
-	*/
-	. = 0x8C000000 + (64*1024*1024) - (256*1024);
-
-	PROVIDE (reloc_dst = .);
+	 * entry and reloct_dst will be provided via ldflags
+	 */
+	. = .;
 
 	PROVIDE (_ftext = .);
 	PROVIDE (_fcode = .);
diff --git a/board/renesas/ap325rxa/u-boot.lds b/board/renesas/ap325rxa/u-boot.lds
index 94bacca..cd40d07 100644
--- a/board/renesas/ap325rxa/u-boot.lds
+++ b/board/renesas/ap325rxa/u-boot.lds
@@ -28,18 +28,9 @@ ENTRY(_start)
 SECTIONS
 {
 	/*
-	   Base address of internal SDRAM is 0x88000000.
-	   Although size of SDRAM can be either 16 or 32 MBytes,
-	   we assume 16 MBytes (ie ignore upper half if the full
-	   32 MBytes is present).
-
-	   NOTE: This address must match with the definition of
-	   TEXT_BASE in config.mk (in this directory).
-
-	*/
-	. = 0x88000000 + (128*1024*1024) - (256*1024);
-
-	PROVIDE (reloc_dst = .);
+	 * entry and reloct_dst will be provided via ldflags
+	 */
+	. = .;
 
 	PROVIDE (_ftext = .);
 	PROVIDE (_fcode = .);
diff --git a/board/renesas/r2dplus/u-boot.lds b/board/renesas/r2dplus/u-boot.lds
index e1c15b0..86ef505 100644
--- a/board/renesas/r2dplus/u-boot.lds
+++ b/board/renesas/r2dplus/u-boot.lds
@@ -28,18 +28,9 @@ ENTRY(_start)
 SECTIONS
 {
 	/*
-	   Base address of internal SDRAM is 0x0C000000.
-	   Although size of SDRAM can be either 16 or 32 MBytes,
-	   we assume 16 MBytes (ie ignore upper half if the full
-	   32 MBytes is present).
-
-	   NOTE: This address must match with the definition of
-	   TEXT_BASE in config.mk (in this directory).
-
-	*/
-	. = 0x0C000000 + (64*1024*1024) - (256*1024);
-
-	PROVIDE (reloc_dst = .);
+	 * entry and reloct_dst will be provided via ldflags
+	 */
+	. = .;
 
 	PROVIDE (_ftext = .);
 	PROVIDE (_fcode = .);
diff --git a/board/renesas/r7780mp/u-boot.lds b/board/renesas/r7780mp/u-boot.lds
index f32d0b8..86ef505 100644
--- a/board/renesas/r7780mp/u-boot.lds
+++ b/board/renesas/r7780mp/u-boot.lds
@@ -28,18 +28,9 @@ ENTRY(_start)
 SECTIONS
 {
 	/*
-	   Base address of internal SDRAM is 0x0C000000.
-	   Although size of SDRAM can be either 16 or 32 MBytes,
-	   we assume 16 MBytes (ie ignore upper half if the full
-	   32 MBytes is present).
-
-	   NOTE: This address must match with the definition of
-	   TEXT_BASE in config.mk (in this directory).
-
-	*/
-	. = 0x08000000 + (128*1024*1024) - (256*1024);
-
-	PROVIDE (reloc_dst = .);
+	 * entry and reloct_dst will be provided via ldflags
+	 */
+	. = .;
 
 	PROVIDE (_ftext = .);
 	PROVIDE (_fcode = .);
diff --git a/board/renesas/rsk7203/u-boot.lds b/board/renesas/rsk7203/u-boot.lds
index bd4a550..6db5a00 100644
--- a/board/renesas/rsk7203/u-boot.lds
+++ b/board/renesas/rsk7203/u-boot.lds
@@ -28,15 +28,9 @@ ENTRY(_start)
 SECTIONS
 {
 	/*
-	 * Base address of internal SDRAM is 0x0C000000.
-	 *
-	 * NOTE: This address must match with the definition of
-	 *TEXT_BASE in config.mk (in this directory).
+	 * entry and reloct_dst will be provided via ldflags
 	 */
-
-	. = 0x0C000000 + (8*1024*1024) - (256*1024);
-
-	PROVIDE (reloc_dst = .);
+	. = .;
 
 	PROVIDE (_ftext = .);
 	PROVIDE (_fcode = .);
diff --git a/board/renesas/sh7763rdp/u-boot.lds b/board/renesas/sh7763rdp/u-boot.lds
index b1a967d..86ef505 100644
--- a/board/renesas/sh7763rdp/u-boot.lds
+++ b/board/renesas/sh7763rdp/u-boot.lds
@@ -28,18 +28,9 @@ ENTRY(_start)
 SECTIONS
 {
 	/*
-	   Base address of internal SDRAM is 0x0C000000.
-	   Although size of SDRAM can be either 16 or 32 MBytes,
-	   we assume 16 MBytes (ie ignore upper half if the full
-	   32 MBytes is present).
-
-	   NOTE: This address must match with the definition of
-	   TEXT_BASE in config.mk (in this directory).
-
-	*/
-	. = 0x8C000000 + (64*1024*1024) - (256*1024);
-
-	PROVIDE (reloc_dst = .);
+	 * entry and reloct_dst will be provided via ldflags
+	 */
+	. = .;
 
 	PROVIDE (_ftext = .);
 	PROVIDE (_fcode = .);
diff --git a/board/renesas/sh7785lcr/u-boot.lds b/board/renesas/sh7785lcr/u-boot.lds
index 255ab37..48f4ba2 100644
--- a/board/renesas/sh7785lcr/u-boot.lds
+++ b/board/renesas/sh7785lcr/u-boot.lds
@@ -28,9 +28,10 @@ ENTRY(_start)
 
 SECTIONS
 {
-	. = 0x88000000 + (128 * 1024 * 1024) - (512 * 1024);
-
-	PROVIDE (reloc_dst = .);
+	/*
+	 * entry and reloct_dst will be provided via ldflags
+	 */
+	. = .;
 
 	PROVIDE (_ftext = .);
 	PROVIDE (_fcode = .);
diff --git a/board/renesas/sh7785lcr/u-boot_29bit b/board/renesas/sh7785lcr/u-boot_29bit
deleted file mode 100644
index 231769f..0000000
--- a/board/renesas/sh7785lcr/u-boot_29bit
+++ /dev/null
@@ -1,96 +0,0 @@
-/*
- * Copyrigth (c) 2007
- * Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
- * Copyrigth (c) 2008 Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-OUTPUT_FORMAT("elf32-sh-linux", "elf32-sh-linux", "elf32-sh-linux")
-OUTPUT_ARCH(sh)
-ENTRY(_start)
-
-SECTIONS
-{
-	. = 0x08000000 + (128 * 1024 * 1024) - (512 * 1024);
-
-	PROVIDE (reloc_dst = .);
-
-	PROVIDE (_ftext = .);
-	PROVIDE (_fcode = .);
-	PROVIDE (_start = .);
-
-	.text :
-	{
-		cpu/sh4/start.o		(.text)
-		. = ALIGN(8192);
-		common/env_embedded.o	(.ppcenv)
-		. = ALIGN(8192);
-		common/env_embedded.o	(.ppcenvr)
-		. = ALIGN(8192);
-		*(.text)
-		. = ALIGN(4);
-	} =0xFF
-	PROVIDE (_ecode = .);
-	.rodata :
-	{
-		*(.rodata)
-		. = ALIGN(4);
-	}
-	PROVIDE (_etext = .);
-
-
-	PROVIDE (_fdata = .);
-	.data :
-	{
-		*(.data)
-		. = ALIGN(4);
-	}
-	PROVIDE (_edata = .);
-
-	PROVIDE (_fgot = .);
-	.got :
-	{
-		*(.got)
-		. = ALIGN(4);
-	}
-	PROVIDE (_egot = .);
-
-	PROVIDE (__u_boot_cmd_start = .);
-	.u_boot_cmd :
-	{
-		*(.u_boot_cmd)
-		. = ALIGN(4);
-	}
-	PROVIDE (__u_boot_cmd_end = .);
-
-	PROVIDE (reloc_dst_end = .);
-	/* _reloc_dst_end = .; */
-
-	PROVIDE (bss_start = .);
-	PROVIDE (__bss_start = .);
-	.bss :
-	{
-		*(.bss)
-		. = ALIGN(4);
-	}
-	PROVIDE (bss_end = .);
-
-	PROVIDE (_end = .);
-}
diff --git a/board/renesas/sh7785lcr/u-boot_32bit b/board/renesas/sh7785lcr/u-boot_32bit
deleted file mode 100644
index 446fb93..0000000
--- a/board/renesas/sh7785lcr/u-boot_32bit
+++ /dev/null
@@ -1,96 +0,0 @@
-/*
- * Copyrigth (c) 2007
- * Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
- * Copyrigth (c) 2008-2009 Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-OUTPUT_FORMAT("elf32-sh-linux", "elf32-sh-linux", "elf32-sh-linux")
-OUTPUT_ARCH(sh)
-ENTRY(_start)
-
-SECTIONS
-{
-	. = 0x88000000 + (128 * 1024 * 1024) - (512 * 1024);
-
-	PROVIDE (reloc_dst = .);
-
-	PROVIDE (_ftext = .);
-	PROVIDE (_fcode = .);
-	PROVIDE (_start = .);
-
-	.text :
-	{
-		cpu/sh4/start.o		(.text)
-		. = ALIGN(8192);
-		common/env_embedded.o	(.ppcenv)
-		. = ALIGN(8192);
-		common/env_embedded.o	(.ppcenvr)
-		. = ALIGN(8192);
-		*(.text)
-		. = ALIGN(4);
-	} =0xFF
-	PROVIDE (_ecode = .);
-	.rodata :
-	{
-		*(.rodata)
-		. = ALIGN(4);
-	}
-	PROVIDE (_etext = .);
-
-
-	PROVIDE (_fdata = .);
-	.data :
-	{
-		*(.data)
-		. = ALIGN(4);
-	}
-	PROVIDE (_edata = .);
-
-	PROVIDE (_fgot = .);
-	.got :
-	{
-		*(.got)
-		. = ALIGN(4);
-	}
-	PROVIDE (_egot = .);
-
-	PROVIDE (__u_boot_cmd_start = .);
-	.u_boot_cmd :
-	{
-		*(.u_boot_cmd)
-		. = ALIGN(4);
-	}
-	PROVIDE (__u_boot_cmd_end = .);
-
-	PROVIDE (reloc_dst_end = .);
-	/* _reloc_dst_end = .; */
-
-	PROVIDE (bss_start = .);
-	PROVIDE (__bss_start = .);
-	.bss :
-	{
-		*(.bss)
-		. = ALIGN(4);
-	}
-	PROVIDE (bss_end = .);
-
-	PROVIDE (_end = .);
-}
diff --git a/sh_config.mk b/sh_config.mk
index 49d50f7..c19db53 100644
--- a/sh_config.mk
+++ b/sh_config.mk
@@ -22,3 +22,4 @@
 #
 
 PLATFORM_CPPFLAGS += -DCONFIG_SH -D__SH__
+PLATFORM_LDFLAGS += -e $(TEXT_BASE) --defsym reloc_dst=$(TEXT_BASE)