From 102b0d2daa97dae68d3eed54d8fe37a9cc38a892 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 28 Apr 2024 11:13:47 +0200
Subject: Adding upstream version 2.8.0+dfsg.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 include/lib/mmio.h | 76 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 include/lib/mmio.h

(limited to 'include/lib/mmio.h')

diff --git a/include/lib/mmio.h b/include/lib/mmio.h
new file mode 100644
index 0000000..3242a7c
--- /dev/null
+++ b/include/lib/mmio.h
@@ -0,0 +1,76 @@
+/*
+ * Copyright (c) 2013-2014, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef MMIO_H
+#define MMIO_H
+
+#include <stdint.h>
+
+static inline void mmio_write_8(uintptr_t addr, uint8_t value)
+{
+	*(volatile uint8_t*)addr = value;
+}
+
+static inline uint8_t mmio_read_8(uintptr_t addr)
+{
+	return *(volatile uint8_t*)addr;
+}
+
+static inline void mmio_write_16(uintptr_t addr, uint16_t value)
+{
+	*(volatile uint16_t*)addr = value;
+}
+
+static inline uint16_t mmio_read_16(uintptr_t addr)
+{
+	return *(volatile uint16_t*)addr;
+}
+
+static inline void mmio_clrsetbits_16(uintptr_t addr,
+				uint16_t clear,
+				uint16_t set)
+{
+	mmio_write_16(addr, (mmio_read_16(addr) & ~clear) | set);
+}
+
+static inline void mmio_write_32(uintptr_t addr, uint32_t value)
+{
+	*(volatile uint32_t*)addr = value;
+}
+
+static inline uint32_t mmio_read_32(uintptr_t addr)
+{
+	return *(volatile uint32_t*)addr;
+}
+
+static inline void mmio_write_64(uintptr_t addr, uint64_t value)
+{
+	*(volatile uint64_t*)addr = value;
+}
+
+static inline uint64_t mmio_read_64(uintptr_t addr)
+{
+	return *(volatile uint64_t*)addr;
+}
+
+static inline void mmio_clrbits_32(uintptr_t addr, uint32_t clear)
+{
+	mmio_write_32(addr, mmio_read_32(addr) & ~clear);
+}
+
+static inline void mmio_setbits_32(uintptr_t addr, uint32_t set)
+{
+	mmio_write_32(addr, mmio_read_32(addr) | set);
+}
+
+static inline void mmio_clrsetbits_32(uintptr_t addr,
+				uint32_t clear,
+				uint32_t set)
+{
+	mmio_write_32(addr, (mmio_read_32(addr) & ~clear) | set);
+}
+
+#endif /* MMIO_H */
-- 
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