Save MRC cache to SPI flash in arch_misc_init().
Signed-off-by: Bin Meng <bmeng...@gmail.com>
---
arch/x86/cpu/baytrail/valleyview.c | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/arch/x86/cpu/baytrail/valleyview.c
b/arch/x86/cpu/baytrail/valleyview.c
index 4baaae6..215e0d0 100644
--- a/arch/x86/cpu/baytrail/valleyview.c
+++ b/arch/x86/cpu/baytrail/valleyview.c
@@ -8,6 +8,7 @@
#include <mmc.h>
#include <pci_ids.h>
#include <asm/irq.h>
+#include <asm/mrccache.h>
#include <asm/post.h>
static struct pci_device_id mmc_supported[] = {
@@ -43,6 +44,24 @@ int arch_misc_init(void)
if (!ll_boot_init())
return 0;
+#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();
}
+
+int reserve_arch(void)
+{
+#ifdef CONFIG_ENABLE_MRC_CACHE
+ return mrccache_reserve();
+#else
+ return 0;
+#endif
+}
#endif
--
1.8.2.1
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