[U-Boot] [RFC PATCH v2 18/28] arm: Enable generic board support

[Simon Glass]

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

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

 arch/arm/config.mk                 |    3 ---
 arch/arm/include/asm/global_data.h |    7 +++++++
 arch/arm/include/asm/u-boot.h      |    9 +++++++++
 arch/arm/lib/Makefile              |    4 +++-
 4 files changed, 19 insertions(+), 4 deletions(-)

diff --git a/arch/arm/config.mk b/arch/arm/config.mk
index 31e9ef9..45f9dca 100644
--- a/arch/arm/config.mk
+++ b/arch/arm/config.mk
@@ -33,9 +33,6 @@ endif
 
 PLATFORM_CPPFLAGS += -DCONFIG_ARM -D__ARM__
 
-# Move to unified board system later
-CONFIG_SYS_LEGACY_BOARD := y
-
 # Explicitly specifiy 32-bit ARM ISA since toolchain default can be -mthumb:
 PF_CPPFLAGS_ARM := $(call cc-option,-marm,)
 
diff --git a/arch/arm/include/asm/global_data.h b/arch/arm/include/asm/global_data.h
index c3ff789..aced4fe 100644
--- a/arch/arm/include/asm/global_data.h
+++ b/arch/arm/include/asm/global_data.h
@@ -23,6 +23,11 @@
 
 #ifndef	__ASM_GBL_DATA_H
 #define __ASM_GBL_DATA_H
+
+#ifdef CONFIG_SYS_GENERIC_BOARD
+/* Use the generic board which requires a unified global_data */
+#include <asm-generic/global_data.h>
+#else
 /*
  * The following data structure is placed in some memory which is
  * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or
@@ -98,6 +103,8 @@ typedef	struct	global_data {
 #define GD_FLG_DISABLE_CONSOLE	0x00040	/* Disable console (in & out)		*/
 #define GD_FLG_ENV_READY	0x00080	/* Environment imported into hash table	*/
 
+#endif /* nCONFIG_SYS_GENERIC_BOARD */
+
 #define DECLARE_GLOBAL_DATA_PTR     register volatile gd_t *gd asm ("r8")
 
 #endif /* __ASM_GBL_DATA_H */
diff --git a/arch/arm/include/asm/u-boot.h b/arch/arm/include/asm/u-boot.h
index df1c7c6..c6290ef 100644
--- a/arch/arm/include/asm/u-boot.h
+++ b/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 long	bi_baudrate;	/* serial console baudrate */
     unsigned long	bi_ip_addr;	/* IP Address */
@@ -47,6 +53,9 @@ typedef struct bd_info {
 	ulong size;
     }			bi_dram[CONFIG_NR_DRAM_BANKS];
 } bd_t;
+#endif
+
+#endif /* nCONFIG_SYS_GENERIC_BOARD */
 
 /* For image.h:image_check_target_arch() */
 #define IH_ARCH_DEFAULT IH_ARCH_ARM
diff --git a/arch/arm/lib/Makefile b/arch/arm/lib/Makefile
index 300c8fa..11cfc00 100644
--- a/arch/arm/lib/Makefile
+++ b/arch/arm/lib/Makefile
@@ -37,7 +37,9 @@ GLSOBJS	+= _umodsi3.o
 
 GLCOBJS	+= div0.o
 
-COBJS-y	+= board.o
+ifeq ($(CONFIG_SYS_GENERIC_BOARD),)
+COBJS-y += board.o
+endif
 COBJS-y	+= bootm.o
 COBJS-y	+= cache.o
 COBJS-y	+= cache-cp15.o
-- 
1.7.3.1