From 0c2b7eef97b00c3d1e5545518b2647b8fbf42537 Mon Sep 17 00:00:00 2001
From: Bin Meng <bmeng.cn@gmail.com>
Date: Wed, 11 May 2016 07:45:00 -0700
Subject: [PATCH] x86: Unify reserve_arch() for all x86 boards

Instead of asking each platform to provide reserve_arch(),
supply it in arch/x86/cpu/cpu.c in a unified way.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
---
 arch/x86/cpu/baytrail/valleyview.c |  8 --------
 arch/x86/cpu/broadwell/sdram.c     |  5 -----
 arch/x86/cpu/cpu.c                 | 12 ++++++++++++
 arch/x86/cpu/ivybridge/sdram.c     |  5 -----
 arch/x86/cpu/quark/quark.c         |  9 ---------
 5 files changed, 12 insertions(+), 27 deletions(-)

diff --git a/arch/x86/cpu/baytrail/valleyview.c b/arch/x86/cpu/baytrail/valleyview.c
index 25382f9..b31f24e 100644
--- a/arch/x86/cpu/baytrail/valleyview.c
+++ b/arch/x86/cpu/baytrail/valleyview.c
@@ -53,14 +53,6 @@ int arch_misc_init(void)
 	return 0;
 }
 
-int reserve_arch(void)
-{
-#ifdef CONFIG_ENABLE_MRC_CACHE
-	return mrccache_reserve();
-#else
-	return 0;
-#endif
-}
 #endif
 
 void reset_cpu(ulong addr)
diff --git a/arch/x86/cpu/broadwell/sdram.c b/arch/x86/cpu/broadwell/sdram.c
index 4bf5d15..e7befde 100644
--- a/arch/x86/cpu/broadwell/sdram.c
+++ b/arch/x86/cpu/broadwell/sdram.c
@@ -190,11 +190,6 @@ static int prepare_mrc_cache(struct pei_data *pei_data)
 	return 0;
 }
 
-int reserve_arch(void)
-{
-	return mrccache_reserve();
-}
-
 int dram_init(void)
 {
 	struct pei_data _pei_data __aligned(8);
diff --git a/arch/x86/cpu/cpu.c b/arch/x86/cpu/cpu.c
index 1482153..2e27d78 100644
--- a/arch/x86/cpu/cpu.c
+++ b/arch/x86/cpu/cpu.c
@@ -29,6 +29,7 @@
 #include <asm/lapic.h>
 #include <asm/microcode.h>
 #include <asm/mp.h>
+#include <asm/mrccache.h>
 #include <asm/msr.h>
 #include <asm/mtrr.h>
 #include <asm/post.h>
@@ -751,3 +752,14 @@ int cpu_init_r(void)
 
 	return 0;
 }
+
+#ifndef CONFIG_EFI_STUB
+int reserve_arch(void)
+{
+#ifdef CONFIG_ENABLE_MRC_CACHE
+	return mrccache_reserve();
+#else
+	return 0;
+#endif
+}
+#endif
diff --git a/arch/x86/cpu/ivybridge/sdram.c b/arch/x86/cpu/ivybridge/sdram.c
index e35e543..9d9f63d 100644
--- a/arch/x86/cpu/ivybridge/sdram.c
+++ b/arch/x86/cpu/ivybridge/sdram.c
@@ -201,11 +201,6 @@ static int recovery_mode_enabled(void)
 	return false;
 }
 
-int reserve_arch(void)
-{
-	return mrccache_reserve();
-}
-
 static int copy_spd(struct udevice *dev, struct pei_data *peid)
 {
 	const void *data;
diff --git a/arch/x86/cpu/quark/quark.c b/arch/x86/cpu/quark/quark.c
index afb3463..cf3fe7f 100644
--- a/arch/x86/cpu/quark/quark.c
+++ b/arch/x86/cpu/quark/quark.c
@@ -360,12 +360,3 @@ void board_final_cleanup(void)
 
 	return;
 }
-
-int reserve_arch(void)
-{
-#ifdef CONFIG_ENABLE_MRC_CACHE
-	return mrccache_reserve();
-#else
-	return 0;
-#endif
-}