[U-Boot] [PATCH 14/16] board_f: Make init_helpers generic

[Simon Glass]

This header file is used by two archs. It could be used by all of them
since it allows the cache to be on during relocation. Move it into a
generic file.

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

 arch/arc/include/asm/init_helpers.h              | 12 ------------
 arch/x86/lib/spl.c                               |  2 +-
 common/board_f.c                                 |  4 +---
 common/board_r.c                                 |  4 +---
 {arch/x86/include/asm => include}/init_helpers.h |  7 ++++++-
 5 files changed, 9 insertions(+), 20 deletions(-)
 delete mode 100644 arch/arc/include/asm/init_helpers.h
 rename {arch/x86/include/asm => include}/init_helpers.h (56%)

diff --git a/arch/arc/include/asm/init_helpers.h b/arch/arc/include/asm/init_helpers.h
deleted file mode 100644
index 7607e19561..0000000000
--- a/arch/arc/include/asm/init_helpers.h
+++ /dev/null
@@ -1,12 +0,0 @@
-/*
- * Copyright (C) 2013-2015 Synopsys, Inc. All rights reserved.
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#ifndef _ASM_ARC_INIT_HELPERS_H
-#define _ASM_ARC_INIT_HELPERS_H
-
-int init_cache_f_r(void);
-
-#endif	/* _ASM_ARC_INIT_HELPERS_H */
diff --git a/arch/x86/lib/spl.c b/arch/x86/lib/spl.c
index ed2d40b552..2b1b450737 100644
--- a/arch/x86/lib/spl.c
+++ b/arch/x86/lib/spl.c
@@ -6,9 +6,9 @@
 
 #include <common.h>
 #include <debug_uart.h>
+#include <init_helpers.h>
 #include <spl.h>
 #include <asm/cpu.h>
-#include <asm/init_helpers.h>
 #include <asm/mtrr.h>
 #include <asm/processor.h>
 #include <asm-generic/sections.h>
diff --git a/common/board_f.c b/common/board_f.c
index c0fe6b08fb..1b6c2b9789 100644
--- a/common/board_f.c
+++ b/common/board_f.c
@@ -18,6 +18,7 @@
 #include <fs.h>
 #include <i2c.h>
 #include <initcall.h>
+#include <init_helpers.h>
 #include <logbuff.h>
 #include <malloc.h>
 #include <mapmem.h>
@@ -46,9 +47,6 @@
 #include <watchdog.h>
 #include <asm/io.h>
 #include <asm/sections.h>
-#if defined(CONFIG_X86) || defined(CONFIG_ARC)
-#include <asm/init_helpers.h>
-#endif
 #if defined(CONFIG_X86) || defined(CONFIG_ARC) || defined(CONFIG_XTENSA)
 #include <asm/relocate.h>
 #endif
diff --git a/common/board_r.c b/common/board_r.c
index 5c9e6987b9..f7c02281b3 100644
--- a/common/board_r.c
+++ b/common/board_r.c
@@ -27,6 +27,7 @@
 #include <ide.h>
 #endif
 #include <initcall.h>
+#include <init_helpers.h>
 #ifdef CONFIG_PS2KBD
 #include <keyboard.h>
 #endif
@@ -56,9 +57,6 @@
 #include <asm/mmu.h>
 #endif
 #include <asm/sections.h>
-#ifdef CONFIG_X86
-#include <asm/init_helpers.h>
-#endif
 #include <dm/root.h>
 #include <linux/compiler.h>
 #include <linux/err.h>
diff --git a/arch/x86/include/asm/init_helpers.h b/include/init_helpers.h
similarity index 56%
rename from arch/x86/include/asm/init_helpers.h
rename to include/init_helpers.h
index ef05ac4781..3efcfddb7b 100644
--- a/arch/x86/include/asm/init_helpers.h
+++ b/include/init_helpers.h
@@ -8,6 +8,11 @@
 #ifndef _INIT_HELPERS_H_
 #define _INIT_HELPERS_H_
 
+/**
+ * init_cache_f_r() - Turn on the cache in preparation for relocation
+ *
+ * @return 0 if OK, -ve on error
+ */
 int init_cache_f_r(void);
 
-#endif	/* !_INIT_HELPERS_H_ */
+#endif	/* _INIT_HELPERS_H_ */
-- 
2.12.2.564.g063fe858b8-goog