From 067e68e7041ec6eff73dd053876e22eaf1d4cb00 Mon Sep 17 00:00:00 2001
From: Andrey Smirnov <andrew.smirnov@gmail.com>
Date: Fri, 9 Feb 2018 10:40:29 +0000
Subject: i.MX: Add code to emulate i.MX2 watchdog IP block
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Add enough code to emulate i.MX2 watchdog IP block so it would be
possible to reboot the machine running Linux Guest.

Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Philippe Mathieu-Daudé <f4bug@amsat.org>
Cc: Marcel Apfelbaum <marcel.apfelbaum@zoho.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: qemu-devel@nongnu.org
Cc: qemu-arm@nongnu.org
Cc: yurovsky@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 include/hw/misc/imx2_wdt.h | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 include/hw/misc/imx2_wdt.h

(limited to 'include/hw/misc')

diff --git a/include/hw/misc/imx2_wdt.h b/include/hw/misc/imx2_wdt.h
new file mode 100644
index 0000000000..8afc99a10e
--- /dev/null
+++ b/include/hw/misc/imx2_wdt.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2017, Impinj, Inc.
+ *
+ * i.MX2 Watchdog IP block
+ *
+ * Author: Andrey Smirnov <andrew.smirnov@gmail.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef IMX2_WDT_H
+#define IMX2_WDT_H
+
+#include "hw/sysbus.h"
+
+#define TYPE_IMX2_WDT "imx2.wdt"
+#define IMX2_WDT(obj) OBJECT_CHECK(IMX2WdtState, (obj), TYPE_IMX2_WDT)
+
+enum IMX2WdtRegisters {
+    IMX2_WDT_WCR     = 0x0000,
+    IMX2_WDT_REG_NUM = 0x0008 / sizeof(uint16_t) + 1,
+};
+
+
+typedef struct IMX2WdtState {
+    /* <private> */
+    SysBusDevice parent_obj;
+
+    MemoryRegion mmio;
+} IMX2WdtState;
+
+#endif /* IMX7_SNVS_H */
-- 
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