qemu/include/hw/misc/allwinner-sramc.h
qianfan Zhao 05def917e1 hw: arm: allwinner-sramc: Add SRAM Controller support for R40
Only a few important registers are added, especially the SRAM_VER
register.

Signed-off-by: qianfan Zhao <qianfanguijin@163.com>
Reviewed-by: Niek Linnenbank <nieklinnenbank@gmail.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-06-06 10:19:33 +01:00

70 lines
1.8 KiB
C

/*
* Allwinner SRAM controller emulation
*
* Copyright (C) 2023 qianfan Zhao <qianfanguijin@163.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef HW_MISC_ALLWINNER_SRAMC_H
#define HW_MISC_ALLWINNER_SRAMC_H
#include "qom/object.h"
#include "hw/sysbus.h"
#include "qemu/uuid.h"
/**
* Object model
* @{
*/
#define TYPE_AW_SRAMC "allwinner-sramc"
#define TYPE_AW_SRAMC_SUN8I_R40 TYPE_AW_SRAMC "-sun8i-r40"
OBJECT_DECLARE_TYPE(AwSRAMCState, AwSRAMCClass, AW_SRAMC)
/** @} */
/**
* Allwinner SRAMC object instance state
*/
struct AwSRAMCState {
/*< private >*/
SysBusDevice parent_obj;
/*< public >*/
/** Maps I/O registers in physical memory */
MemoryRegion iomem;
/* registers */
uint32_t sram_ctl1;
uint32_t sram_ver;
uint32_t sram_soft_entry_reg0;
};
/**
* Allwinner SRAM Controller class-level struct.
*
* This struct is filled by each sunxi device specific code
* such that the generic code can use this struct to support
* all devices.
*/
struct AwSRAMCClass {
/*< private >*/
SysBusDeviceClass parent_class;
/*< public >*/
uint32_t sram_version_code;
};
#endif /* HW_MISC_ALLWINNER_SRAMC_H */