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-rw-r--r--arch/mips/lib/io.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/mips/lib/io.c b/arch/mips/lib/io.c
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+++ b/arch/mips/lib/io.c
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+/*
+ * (C) Copyright 2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+/*
+ * mips_io_port_base is the begin of the address space to which x86 style
+ * I/O ports are mapped.
+ */
+const unsigned long mips_io_port_base = -1;