1 /* 2 * ASPEED SDRAM Memory Controller 3 * 4 * Copyright (C) 2016 IBM Corp. 5 * 6 * This code is licensed under the GPL version 2 or later. See the 7 * COPYING file in the top-level directory. 8 */ 9 #ifndef ASPEED_SDMC_H 10 #define ASPEED_SDMC_H 11 12 #include "hw/sysbus.h" 13 14 #define TYPE_ASPEED_SDMC "aspeed.sdmc" 15 #define ASPEED_SDMC(obj) OBJECT_CHECK(AspeedSDMCState, (obj), TYPE_ASPEED_SDMC) 16 #define TYPE_ASPEED_2400_SDMC TYPE_ASPEED_SDMC "-ast2400" 17 #define TYPE_ASPEED_2500_SDMC TYPE_ASPEED_SDMC "-ast2500" 18 19 #define ASPEED_SDMC_NR_REGS (0x174 >> 2) 20 21 typedef struct AspeedSDMCState { 22 /*< private >*/ 23 SysBusDevice parent_obj; 24 25 /*< public >*/ 26 MemoryRegion iomem; 27 28 uint32_t regs[ASPEED_SDMC_NR_REGS]; 29 uint64_t ram_size; 30 uint64_t max_ram_size; 31 } AspeedSDMCState; 32 33 #define ASPEED_SDMC_CLASS(klass) \ 34 OBJECT_CLASS_CHECK(AspeedSDMCClass, (klass), TYPE_ASPEED_SDMC) 35 #define ASPEED_SDMC_GET_CLASS(obj) \ 36 OBJECT_GET_CLASS(AspeedSDMCClass, (obj), TYPE_ASPEED_SDMC) 37 38 typedef struct AspeedSDMCClass { 39 SysBusDeviceClass parent_class; 40 41 uint64_t max_ram_size; 42 uint32_t (*compute_conf)(AspeedSDMCState *s, uint32_t data); 43 void (*write)(AspeedSDMCState *s, uint32_t reg, uint32_t data); 44 } AspeedSDMCClass; 45 46 #endif /* ASPEED_SDMC_H */ 47