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Diffstat (limited to 'src/northbridge/amd/amdfam10/inline_helper.c')
-rw-r--r--src/northbridge/amd/amdfam10/inline_helper.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/src/northbridge/amd/amdfam10/inline_helper.c b/src/northbridge/amd/amdfam10/inline_helper.c
new file mode 100644
index 0000000000..7f260318f7
--- /dev/null
+++ b/src/northbridge/amd/amdfam10/inline_helper.c
@@ -0,0 +1,31 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2016 Damien Zammit <damien@zamaudio.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <arch/cpu.h>
+
+static inline uint8_t is_fam15h(void)
+{
+ uint8_t fam15h = 0;
+ uint32_t family;
+
+ family = cpuid_eax(0x80000001);
+ family = ((family & 0xf00000) >> 16) | ((family & 0xf00) >> 8);
+
+ if (family >= 0x6f)
+ /* Family 15h or later */
+ fam15h = 1;
+
+ return fam15h;
+}