x86: crownbay: Add MP initialization

[u-boot] / arch / x86 / include / asm / cpu.h

diff --git a/arch/x86/include/asm/cpu.h b/arch/x86/include/asm/cpu.h
index 89b748b3926d418e6ef5f931d38b4725bd9e5f58..08284ee29530c46a3d33ed52956b4f661113de01 100644 (file)
--- a/arch/x86/include/asm/cpu.h
+++ b/arch/x86/include/asm/cpu.h
@@ -151,6 +151,11 @@ static inline int flag_is_changeable_p(uint32_t flag)
        return ((f1^f2) & flag) != 0;
 }
 
+static inline void mfence(void)
+{
+       __asm__ __volatile__("mfence" : : : "memory");
+}
+
 /**
  * cpu_enable_paging_pae() - Enable PAE-paging
  *
@@ -179,12 +184,17 @@ int cpu_has_64bit(void);
  */
 const char *cpu_vendor_name(int vendor);
 
+#define CPU_MAX_NAME_LEN       49
+
 /**
- * fill_processor_name() - Get processor name
+ * cpu_get_name() - Get the name of the current cpu
  *
- * @processor_name:    Address to hold the processor name string
+ * @name: Place to put name, which must be CPU_MAX_NAME_LEN bytes including
+ * @return pointer to name, which will likely be a few bytes after the start
+ * of @name
+ * \0 terminator
  */
-void fill_processor_name(char *processor_name);
+char *cpu_get_name(char *name);
 
 /**
  * cpu_call64() - Jump to a 64-bit Linux kernel (internal function)