Add GPL-2.0+ SPDX-License-Identifier to source files

[people/ms/u-boot.git] / board / freescale / mx31pdk / mx31pdk.c

diff --git a/board/freescale/mx31pdk/mx31pdk.c b/board/freescale/mx31pdk/mx31pdk.c
index 3d0d419e273901bac63c23a19a6b77dcd73a3b53..148b4f47a51f5e01c3b26f16d89263a086f9a630 100644 (file)
--- a/board/freescale/mx31pdk/mx31pdk.c
+++ b/board/freescale/mx31pdk/mx31pdk.c
@@ -4,23 +4,7 @@
  *
  * (c) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de>
  *
- * 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
+ * SPDX-License-Identifier:    GPL-2.0+
  */
 
 
@@ -39,7 +23,21 @@ DECLARE_GLOBAL_DATA_PTR;
 #ifdef CONFIG_SPL_BUILD
 void board_init_f(ulong bootflag)
 {
-       relocate_code(0, NULL, CONFIG_SPL_TEXT_BASE);
+       /*
+        * copy ourselves from where we are running to where we were
+        * linked at. Use ulong pointers as all addresses involved
+        * are 4-byte-aligned.
+        */
+       ulong *start_ptr, *end_ptr, *link_ptr, *run_ptr, *dst;
+       asm volatile ("ldr %0, =_start" : "=r"(start_ptr));
+       asm volatile ("ldr %0, =_end" : "=r"(end_ptr));
+       asm volatile ("ldr %0, =board_init_f" : "=r"(link_ptr));
+       asm volatile ("adr %0, board_init_f" : "=r"(run_ptr));
+       for (dst = start_ptr; dst < end_ptr; dst++)
+               *dst = *(dst+(run_ptr-link_ptr));
+       /*
+        * branch to nand_boot's link-time address.
+        */
        asm volatile("ldr pc, =nand_boot");
 }
 #endif