SMDK5250: Add smdk5250-uboot-spl.lds

Default spl/u-boot-spl.lds created by spl/Makefile resolves
the spl text load addr to 0x0. As 0x0 belongs to iROM addr so
Global variables can not be used.

Adding specific smdk5250-uboot-spl.lds makes possible to use Global Variables
in spl.

Signed-off-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Rajeshwari Shinde <rajeshwari.s@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>

diff --git a/board/samsung/smdk5250/smdk5250-uboot-spl.lds b/board/samsung/smdk5250/smdk5250-uboot-spl.lds
new file mode 100644 (file)
index 0000000..d78dd77
--- /dev/null
+++ b/board/samsung/smdk5250/smdk5250-uboot-spl.lds
@@ -0,0 +1,66 @@
+/*
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+ *
+ * Copyright (C) 2012 Samsung Electronics
+ *
+ * Based on arch/arm/cpu/armv7/omap-common/u-boot-spl.lds
+ *
+ * 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
+ */
+
+MEMORY { .sram : ORIGIN = CONFIG_SPL_TEXT_BASE, \
+               LENGTH = CONFIG_SPL_MAX_SIZE }
+
+OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+
+SECTIONS
+{
+       .text :
+       {
+               __start = .;
+               arch/arm/cpu/armv7/start.o (.text)
+               *(.text*)
+       } >.sram
+       . = ALIGN(4);
+
+       .rodata : { *(SORT_BY_ALIGNMENT(.rodata*)) } >.sram
+       . = ALIGN(4);
+
+       .data : { *(SORT_BY_ALIGNMENT(.data*)) } >.sram
+       . = ALIGN(4);
+
+       /* Align .machine_param on 256 byte boundary for easier searching */
+       .machine_param ALIGN(0x100) : { *(.machine_param) } >.sram
+       . = ALIGN(4);
+
+       __image_copy_end = .;
+       _end = .;
+
+       .bss :
+       {
+               . = ALIGN(4);
+               __bss_start = .;
+               *(.bss*)
+               . = ALIGN(4);
+               __bss_end__ = .;
+       } >.sram
+}

diff --git a/include/configs/smdk5250.h b/include/configs/smdk5250.h
index e0a6deb0ee3f0101f91ade6fafb8b1ccd742c8a6..5e326865e8123653578f5d281cbc7a154f540e4a 100644 (file)
--- a/include/configs/smdk5250.h
+++ b/include/configs/smdk5250.h
@@ -112,6 +112,11 @@
 #define CONFIG_SPL
 #define COPY_BL2_FNPTR_ADDR    0x02020030
 
+/* specific .lds file */
+#define CONFIG_SPL_LDSCRIPT    "board/samsung/smdk5250/smdk5250-uboot-spl.lds"
+#define CONFIG_SPL_TEXT_BASE   0x02023400
+#define CONFIG_SPL_MAX_SIZE    (14 * 1024)
+
 #define CONFIG_BOOTCOMMAND     "mmc read 40007000 451 2000; bootm 40007000"
 
 /* Miscellaneous configurable options */