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 #define TYPE_ASPEED_2600_SDMC TYPE_ASPEED_SDMC "-ast2600" 19 20 #define ASPEED_SDMC_NR_REGS (0x174 >> 2) 21 22 typedef struct AspeedSDMCState { 23 /*< private >*/ 24 SysBusDevice parent_obj; 25 26 /*< public >*/ 27 MemoryRegion iomem; 28 29 uint32_t regs[ASPEED_SDMC_NR_REGS]; 30 uint64_t ram_size; 31 uint64_t max_ram_size; 32 } AspeedSDMCState; 33 34 #define ASPEED_SDMC_CLASS(klass) \ 35 OBJECT_CLASS_CHECK(AspeedSDMCClass, (klass), TYPE_ASPEED_SDMC) 36 #define ASPEED_SDMC_GET_CLASS(obj) \ 37 OBJECT_GET_CLASS(AspeedSDMCClass, (obj), TYPE_ASPEED_SDMC) 38 39 typedef struct AspeedSDMCClass { 40 SysBusDeviceClass parent_class; 41 42 uint64_t max_ram_size; 43 const uint64_t *valid_ram_sizes; 44 uint32_t (*compute_conf)(AspeedSDMCState *s, uint32_t data); 45 void (*write)(AspeedSDMCState *s, uint32_t reg, uint32_t data); 46 } AspeedSDMCClass; 47 48 #endif /* ASPEED_SDMC_H */ 49