arm: Enable generic board support

This enables generic board support so that ARM boards can define
CONFIG_SYS_GENERIC_BOARD.

Signed-off-by: Simon Glass <sjg@chromium.org>

arch/arm/config.mk

@@ -31,6 +31,9 @@ CONFIG_STANDALONE_LOAD_ADDR = 0xc100000
 endif
 endif
 
+# Support generic board on ARM
+__HAVE_ARCH_GENERIC_BOARD := y
+
 PLATFORM_CPPFLAGS += -DCONFIG_ARM -D__ARM__
 
 # Choose between ARM/Thumb instruction sets

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

@@ -36,6 +36,12 @@
 #ifndef _U_BOOT_H_
 #define _U_BOOT_H_	1
 
+#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 {
 	unsigned int	bi_baudrate;	/* serial console baudrate */
     ulong	        bi_arch_number;	/* unique id for this board */
@@ -49,6 +55,9 @@ typedef struct bd_info {
 	ulong size;
     }			bi_dram[CONFIG_NR_DRAM_BANKS];
 } bd_t;
+#endif
+
+#endif /* !CONFIG_SYS_GENERIC_BOARD */
 
 /* For image.h:image_check_target_arch() */
 #define IH_ARCH_DEFAULT IH_ARCH_ARM

arch/arm/lib/Makefile

@@ -39,7 +39,10 @@ GLCOBJS	+= div0.o
 SOBJS-y += crt0.o
 
 ifndef CONFIG_SPL_BUILD
+ifndef CONFIG_SYS_GENERIC_BOARD
 COBJS-y	+= board.o
+endif
+
 COBJS-y	+= bootm.o
 COBJS-$(CONFIG_SYS_L2_PL310) += cache-pl310.o
 SOBJS-$(CONFIG_USE_ARCH_MEMSET) += memset.o