MIPS: allow use of generic board

This patch allows MIPS boards to make use of generic board, replacing
arch/mips/lib/board.c with common/board_{f,r}.c and struct bd_info with
the asm-generic version.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>

arch/mips/config.mk

@@ -27,6 +27,8 @@ ENDIANNESS ?= -EB
 
 PLATFORM_CPPFLAGS += -DCONFIG_MIPS -D__MIPS__
 
+__HAVE_ARCH_GENERIC_BOARD := y
+
 #
 # From Linux arch/mips/Makefile
 #

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

@@ -15,6 +15,13 @@
 #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 /* !CONFIG_SYS_GENERIC_BOARD */
+
 typedef struct bd_info {
 	unsigned int	bi_baudrate;	/* serial console baudrate */
 	unsigned long	bi_arch_number;	/* unique id for this board */
@@ -26,6 +33,8 @@ typedef struct bd_info {
 	unsigned long	bi_flashoffset;	/* reserved area for startup monitor */
 } bd_t;
 
+#endif /* !CONFIG_SYS_GENERIC_BOARD */
+
 /* For image.h:image_check_target_arch() */
 #define IH_ARCH_DEFAULT IH_ARCH_MIPS
 

arch/mips/lib/Makefile

@@ -5,7 +5,9 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
+ifndef CONFIG_SYS_GENERIC_BOARD
 obj-y	+= board.o
+endif
 obj-y	+= io.o
 
 obj-$(CONFIG_CMD_BOOTM) += bootm.o