X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=board%2Ffreescale%2Fmx31pdk%2Fmx31pdk.c;h=4f6cfeeaa34bd3552acb941adf3131d7d320d28e;hb=3acb324ff1597d7e2ac6597d18cdb96d49ec8d93;hp=49158bd90dfaad7739e0cf6777976ad236866ce9;hpb=a19b0dd62d7b8efc658fa1aa685ff5665878f3ee;p=platform%2Fkernel%2Fu-boot.git

diff --git a/board/freescale/mx31pdk/mx31pdk.c b/board/freescale/mx31pdk/mx31pdk.c
index 49158bd..4f6cfee 100644
--- a/board/freescale/mx31pdk/mx31pdk.c
+++ b/board/freescale/mx31pdk/mx31pdk.c
@@ -39,7 +39,21 @@ DECLARE_GLOBAL_DATA_PTR;
 #ifdef CONFIG_SPL_BUILD
 void board_init_f(ulong bootflag)
 {
-	relocate_code(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