1 /* 2 * Allwinner SRAM controller emulation 3 * 4 * Copyright (C) 2023 qianfan Zhao <qianfanguijin@163.com> 5 * 6 * This program is free software: you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation, either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program. If not, see <http://www.gnu.org/licenses/>. 18 */ 19 20 #ifndef HW_MISC_ALLWINNER_SRAMC_H 21 #define HW_MISC_ALLWINNER_SRAMC_H 22 23 #include "qom/object.h" 24 #include "hw/sysbus.h" 25 #include "qemu/uuid.h" 26 27 /** 28 * Object model 29 * @{ 30 */ 31 #define TYPE_AW_SRAMC "allwinner-sramc" 32 #define TYPE_AW_SRAMC_SUN8I_R40 TYPE_AW_SRAMC "-sun8i-r40" 33 OBJECT_DECLARE_TYPE(AwSRAMCState, AwSRAMCClass, AW_SRAMC) 34 35 /** @} */ 36 37 /** 38 * Allwinner SRAMC object instance state 39 */ 40 struct AwSRAMCState { 41 /*< private >*/ 42 SysBusDevice parent_obj; 43 /*< public >*/ 44 45 /** Maps I/O registers in physical memory */ 46 MemoryRegion iomem; 47 48 /* registers */ 49 uint32_t sram_ctl1; 50 uint32_t sram_ver; 51 uint32_t sram_soft_entry_reg0; 52 }; 53 54 /** 55 * Allwinner SRAM Controller class-level struct. 56 * 57 * This struct is filled by each sunxi device specific code 58 * such that the generic code can use this struct to support 59 * all devices. 60 */ 61 struct AwSRAMCClass { 62 /*< private >*/ 63 SysBusDeviceClass parent_class; 64 /*< public >*/ 65 66 uint32_t sram_version_code; 67 }; 68 69 #endif /* HW_MISC_ALLWINNER_SRAMC_H */ 70