This is just enough to make reboot and poweroff work. Works for linux, u-boot, and the arm trusted firmware. Not tested, but should work for plan9, and bare-metal/hobby OSes, since they seem to generally do what linux does for reset. The watchdog timer functionality is not yet implemented. Resolves: https://gitlab.com/qemu-project/qemu/-/issues/64 Signed-off-by: Nolan Leake <nolan@sigbus.net> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-id: 20210625210209.1870217-1-nolan@sigbus.net [PMM: tweaked commit title; fixed region size to 0x200; moved header file to include/] Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
30 lines
663 B
C
30 lines
663 B
C
/*
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* BCM2835 Power Management emulation
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*
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* Copyright (C) 2017 Marcin Chojnacki <marcinch7@gmail.com>
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* Copyright (C) 2021 Nolan Leake <nolan@sigbus.net>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*/
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#ifndef BCM2835_POWERMGT_H
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#define BCM2835_POWERMGT_H
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#include "hw/sysbus.h"
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#include "qom/object.h"
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#define TYPE_BCM2835_POWERMGT "bcm2835-powermgt"
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OBJECT_DECLARE_SIMPLE_TYPE(BCM2835PowerMgtState, BCM2835_POWERMGT)
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struct BCM2835PowerMgtState {
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SysBusDevice busdev;
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MemoryRegion iomem;
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uint32_t rstc;
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uint32_t rsts;
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uint32_t wdog;
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};
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#endif
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