75750e4d43
The Arm IoTKit includes a system control element which provides a block of read-only ID registers and a block of read-write control registers. Implement a minimal version of this. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20180820141116.9118-9-peter.maydell@linaro.org
50 lines
1.3 KiB
C
50 lines
1.3 KiB
C
/*
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* ARM IoTKit system control element
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*
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* Copyright (c) 2018 Linaro Limited
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* Written by Peter Maydell
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 or
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* (at your option) any later version.
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*/
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/*
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* This is a model of the "system control element" which is part of the
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* Arm IoTKit and documented in
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* http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.ecm0601256/index.html
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* Specifically, it implements the "system information block" and
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* "system control register" blocks.
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*
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* QEMU interface:
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* + sysbus MMIO region 0: the system information register bank
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* + sysbus MMIO region 1: the system control register bank
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*/
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#ifndef HW_MISC_IOTKIT_SYSCTL_H
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#define HW_MISC_IOTKIT_SYSCTL_H
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#include "hw/sysbus.h"
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#define TYPE_IOTKIT_SYSCTL "iotkit-sysctl"
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#define IOTKIT_SYSCTL(obj) OBJECT_CHECK(IoTKitSysCtl, (obj), \
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TYPE_IOTKIT_SYSCTL)
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typedef struct IoTKitSysCtl {
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/*< private >*/
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SysBusDevice parent_obj;
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/*< public >*/
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MemoryRegion iomem;
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uint32_t secure_debug;
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uint32_t reset_syndrome;
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uint32_t reset_mask;
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uint32_t gretreg;
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uint32_t initsvrtor0;
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uint32_t cpuwait;
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uint32_t wicctrl;
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} IoTKitSysCtl;
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#endif
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