X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=arch%2Fpowerpc%2Fcpu%2Fmpc5xxx%2Fstart.S;h=94eb0d3fff881ae251ea7bdbcee9b2a5ab58d68f;hb=a752a8b4c49d67daa4ea9f9ebac3972bb1c2328b;hp=517b5808fecf00f65091d4d1736cfb0e2d5e6f01;hpb=8b485ba12b0defa0c4ed3559789250238f8331a8;p=u-boot

diff --git a/arch/powerpc/cpu/mpc5xxx/start.S b/arch/powerpc/cpu/mpc5xxx/start.S
index 517b5808fe..94eb0d3fff 100644
--- a/arch/powerpc/cpu/mpc5xxx/start.S
+++ b/arch/powerpc/cpu/mpc5xxx/start.S
@@ -14,9 +14,6 @@
 #include <mpc5xxx.h>
 #include <version.h>
 
-#define CONFIG_MPC5xxx 1	/* needed for Linux kernel header files */
-#define _LINUX_CONFIG_H 1	/* avoid reading Linux autoconf.h file	*/
-
 #include <ppc_asm.tmpl>
 #include <ppc_defs.h>
 
@@ -79,6 +76,21 @@ _start:
 	 * been done in the SPL u-boot version.
 	 */
 	GET_GOT			/* initialize GOT access		*/
+
+	/*
+	 * The GD (global data) struct needs to get cleared. Lets do
+	 * this by calling memset().
+	 * This function is called when the platform is build with SPL
+	 * support from the main (full-blown) U-Boot. And the GD needs
+	 * to get cleared (again) so that the following generic
+	 * board support code, defined via CONFIG_SYS_GENERIC_BOARD,
+	 * initializes all variables correctly.
+	 */
+	mr	r3, r2		/* parameter 1:	 GD pointer		*/
+	li	r4,0		/* parameter 2:	 value to fill		*/
+	li	r5,GD_SIZE	/* parameter 3:	 count			*/
+	bl	memset
+
 	bl	board_init_f	/* run 1st part of board init code (in Flash)*/
 	/* NOTREACHED - board_init_f() does not return */
 #else