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-rw-r--r--arch/arc/include/asm/serial.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/arc/include/asm/serial.h b/arch/arc/include/asm/serial.h
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+++ b/arch/arc/include/asm/serial.h
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+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2012 Synopsys, Inc. (www.synopsys.com)
+ */
+
+#ifndef _ASM_ARC_SERIAL_H
+#define _ASM_ARC_SERIAL_H
+
+/*
+ * early 8250 (now earlycon) requires BASE_BAUD to be defined in this header.
+ * However to still determine it dynamically (for multi-platform images)
+ * we do this in a helper by parsing the FDT early
+ */
+
+extern unsigned int __init arc_early_base_baud(void);
+
+#define BASE_BAUD arc_early_base_baud()
+
+#endif /* _ASM_ARC_SERIAL_H */