m68k: add generic-board support

Add generic-board support for the m68k architecture.

Signed-off-by: Angelo Dureghello <angelo@sysam.it>

arch/m68k/include/asm/config.h

@@ -7,6 +7,9 @@
 #ifndef _ASM_CONFIG_H_
 #define _ASM_CONFIG_H_
 
+#define CONFIG_SYS_GENERIC_BOARD
+#define CONFIG_SYS_GENERIC_GLOBAL_DATA
+
 #define CONFIG_NEEDS_MANUAL_RELOC
 
 #define CONFIG_LMB

arch/m68k/include/asm/u-boot.h

@@ -20,6 +20,11 @@
  * include/asm-ppc/u-boot.h
  */
 
+#ifdef CONFIG_SYS_GENERIC_BOARD
+/* Use the generic board which requires a unified bd_info */
+#include <asm-generic/u-boot.h>
+#else
+
 #ifndef __ASSEMBLY__
 
 typedef struct bd_info {
@@ -48,6 +53,9 @@ typedef struct bd_info {
 
 #endif				/* __ASSEMBLY__ */
 
+#endif				/* !CONFIG_SYS_GENERIC_BOARD */
+
+
 /* For image.h:image_check_target_arch() */
 #define IH_ARCH_DEFAULT IH_ARCH_M68K