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Various Allwinner System on Chip designs contain multiple processors that can be configured and reset using the generic CPU Configuration module interface. This commit adds support for the Allwinner CPU configuration interface which emulates the following features: * CPU reset * CPU status Signed-off-by: Niek Linnenbank <nieklinnenbank@gmail.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Message-id: 20200311221854.30370-7-nieklinnenbank@gmail.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
53 lines
1.3 KiB
C
53 lines
1.3 KiB
C
/*
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* Allwinner CPU Configuration Module emulation
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*
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* Copyright (C) 2019 Niek Linnenbank <nieklinnenbank@gmail.com>
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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 as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef HW_MISC_ALLWINNER_CPUCFG_H
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#define HW_MISC_ALLWINNER_CPUCFG_H
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#include "qom/object.h"
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#include "hw/sysbus.h"
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/**
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* Object model
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* @{
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*/
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#define TYPE_AW_CPUCFG "allwinner-cpucfg"
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#define AW_CPUCFG(obj) \
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OBJECT_CHECK(AwCpuCfgState, (obj), TYPE_AW_CPUCFG)
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/** @} */
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/**
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* Allwinner CPU Configuration Module instance state
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*/
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typedef struct AwCpuCfgState {
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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 gen_ctrl;
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uint32_t super_standby;
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uint32_t entry_addr;
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} AwCpuCfgState;
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#endif /* HW_MISC_ALLWINNER_CPUCFG_H */
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