1 files changed, 33 insertions, 0 deletions
diff --git a/src/soc/amd/picasso/soc_util.c b/src/soc/amd/picasso/soc_util.c
new file mode 100644
index 0000000000..893ff2570f
--- /dev/null
+++ b/src/soc/amd/picasso/soc_util.c
@@ -0,0 +1,33 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
+
+#include <arch/cpu.h>
+#include <soc/cpu.h>
+#include <soc/soc_util.h>
+
+int soc_is_pollock(void)
+{
+	return soc_is_zen_plus() && CONFIG(AMD_FT5);
+}
+
+int soc_is_dali(void)
+{
+	return soc_is_raven2() && CONFIG(AMD_FP5);
+}
+
+int soc_is_picasso(void)
+{
+	return soc_is_zen_plus() && CONFIG(AMD_FP5);
+}
+
+int soc_is_raven2(void)
+{
+	/* mask lower model number nibble and stepping */
+	return cpuid_eax(1) >> 8 == RAVEN2_CPUID >> 8;
+}
+
+int soc_is_zen_plus(void)
+{
+	/* mask lower model number nibble and stepping */
+	return cpuid_eax(1) >> 8 == PICASSO_CPUID >> 8;
+}