hw/misc/iotkit-sysinfo: Implement IoTKit system information block

Implement the IoTKit system control element's system information
block; this is just a pair of read-only version/config registers,
plus the usual PID/CID ID registers.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20180820141116.9118-10-peter.maydell@linaro.org

1 files changed, 37 insertions, 0 deletions

diff --git a/include/hw/misc/iotkit-sysinfo.h b/include/hw/misc/iotkit-sysinfo.h
new file mode 100644
index 0000000..7b2e1a5
--- /dev/null
+++ b/include/hw/misc/iotkit-sysinfo.h
@@ -0,0 +1,37 @@
+/*
+ * ARM IoTKit system information block
+ *
+ * Copyright (c) 2018 Linaro Limited
+ * Written by Peter Maydell
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 or
+ *  (at your option) any later version.
+ */
+
+/*
+ * This is a model of the "system information block" which is part of the
+ * Arm IoTKit and documented in
+ * http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.ecm0601256/index.html
+ * QEMU interface:
+ *  + sysbus MMIO region 0: the system information register bank
+ */
+
+#ifndef HW_MISC_IOTKIT_SYSINFO_H
+#define HW_MISC_IOTKIT_SYSINFO_H
+
+#include "hw/sysbus.h"
+
+#define TYPE_IOTKIT_SYSINFO "iotkit-sysinfo"
+#define IOTKIT_SYSINFO(obj) OBJECT_CHECK(IoTKitSysInfo, (obj), \
+                                        TYPE_IOTKIT_SYSINFO)
+
+typedef struct IoTKitSysInfo {
+    /*< private >*/
+    SysBusDevice parent_obj;
+
+    /*< public >*/
+    MemoryRegion iomem;
+} IoTKitSysInfo;
+
+#endif