From 2fc2b83a7da61d81eee9ceaad9b3b07174838793 Mon Sep 17 00:00:00 2001
From: Bin Meng <bmeng.cn@gmail.com>
Date: Mon, 12 Oct 2015 01:30:42 -0700
Subject: x86: quark: Implement mrc cache

Using existing mrccache library to implement mrc cache support
for Intel Quark.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
---
 arch/x86/cpu/quark/quark.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'arch/x86/cpu/quark/quark.c')

diff --git a/arch/x86/cpu/quark/quark.c b/arch/x86/cpu/quark/quark.c
index 77d644a4914..f737e1921f7 100644
--- a/arch/x86/cpu/quark/quark.c
+++ b/arch/x86/cpu/quark/quark.c
@@ -8,6 +8,7 @@
 #include <mmc.h>
 #include <asm/io.h>
 #include <asm/irq.h>
+#include <asm/mrccache.h>
 #include <asm/mtrr.h>
 #include <asm/pci.h>
 #include <asm/post.h>
@@ -368,6 +369,15 @@ void cpu_irq_init(void)
 
 int arch_misc_init(void)
 {
+#ifdef CONFIG_ENABLE_MRC_CACHE
+	/*
+	 * We intend not to check any return value here, as even MRC cache
+	 * is not saved successfully, it is not a severe error that will
+	 * prevent system from continuing to boot.
+	 */
+	mrccache_save();
+#endif
+
 	return pirq_init();
 }
 
@@ -390,3 +400,12 @@ void board_final_cleanup(void)
 
 	return;
 }
+
+int reserve_arch(void)
+{
+#ifdef CONFIG_ENABLE_MRC_CACHE
+	return mrccache_reserve();
+#else
+	return 0;
+#endif
+}
-- 
cgit v1.2.3