summaryrefslogtreecommitdiff
path: root/include/linux/soc/marvell/silicons.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/soc/marvell/silicons.h')
-rw-r--r--include/linux/soc/marvell/silicons.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/include/linux/soc/marvell/silicons.h b/include/linux/soc/marvell/silicons.h
new file mode 100644
index 000000000000..66bb9bfaf17d
--- /dev/null
+++ b/include/linux/soc/marvell/silicons.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0-only
+ * Copyright (C) 2024 Marvell.
+ */
+
+#ifndef __SOC_SILICON_H
+#define __SOC_SILICON_H
+
+#include <linux/types.h>
+#include <linux/pci.h>
+
+#if defined(CONFIG_ARM64)
+
+#define CN20K_CHIPID 0x20
+/*
+ * Silicon check for CN20K family
+ */
+static inline bool is_cn20k(struct pci_dev *pdev)
+{
+ return (pdev->subsystem_device & 0xFF) == CN20K_CHIPID;
+}
+#else
+#define is_cn20k(pdev) ((void)(pdev), 0)
+#endif
+
+#endif /* __SOC_SILICON_H */