Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 38 insertions, 0 deletions

diff --git a/arch/openrisc/include/asm/spr.h b/arch/openrisc/include/asm/spr.h
new file mode 100644
index 0000000000..63cf7bdcf0
--- /dev/null
+++ b/arch/openrisc/include/asm/spr.h
@@ -0,0 +1,38 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * OpenRISC Linux
+ *
+ * Linux architectural port borrowing liberally from similar works of
+ * others.  All original copyrights apply as per the original source
+ * declaration.
+ *
+ * OpenRISC implementation:
+ * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
+ */
+
+#ifndef __ASM_OPENRISC_SPR_H
+#define __ASM_OPENRISC_SPR_H
+
+#define mtspr(_spr, _val) __asm__ __volatile__ (		\
+	"l.mtspr r0,%1,%0"					\
+	: : "K" (_spr), "r" (_val))
+#define mtspr_off(_spr, _off, _val) __asm__ __volatile__ (	\
+	"l.mtspr %0,%1,%2"					\
+	: : "r" (_off), "r" (_val), "K" (_spr))
+
+static inline unsigned long mfspr(unsigned long add)
+{
+	unsigned long ret;
+	__asm__ __volatile__ ("l.mfspr %0,r0,%1" : "=r" (ret) : "K" (add));
+	return ret;
+}
+
+static inline unsigned long mfspr_off(unsigned long add, unsigned long offset)
+{
+	unsigned long ret;
+	__asm__ __volatile__ ("l.mfspr %0,%1,%2" : "=r" (ret)
+						 : "r" (offset), "K" (add));
+	return ret;
+}
+
+#endif