1 /* 2 * ASPEED AST2400 SMC Controller (SPI Flash Only) 3 * 4 * Copyright (C) 2016 IBM Corp. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a copy 7 * of this software and associated documentation files (the "Software"), to deal 8 * in the Software without restriction, including without limitation the rights 9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 10 * copies of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 22 * THE SOFTWARE. 23 */ 24 25 #ifndef ASPEED_SMC_H 26 #define ASPEED_SMC_H 27 28 #include "hw/ssi/ssi.h" 29 30 typedef struct AspeedSegments { 31 hwaddr addr; 32 uint32_t size; 33 } AspeedSegments; 34 35 struct AspeedSMCState; 36 typedef struct AspeedSMCController { 37 const char *name; 38 uint8_t r_conf; 39 uint8_t r_ce_ctrl; 40 uint8_t r_ctrl0; 41 uint8_t r_timings; 42 uint8_t conf_enable_w0; 43 uint8_t max_slaves; 44 const AspeedSegments *segments; 45 hwaddr flash_window_base; 46 uint32_t flash_window_size; 47 bool has_dma; 48 uint32_t nregs; 49 } AspeedSMCController; 50 51 typedef struct AspeedSMCFlash { 52 struct AspeedSMCState *controller; 53 54 uint8_t id; 55 uint32_t size; 56 57 MemoryRegion mmio; 58 DeviceState *flash; 59 } AspeedSMCFlash; 60 61 #define TYPE_ASPEED_SMC "aspeed.smc" 62 #define ASPEED_SMC(obj) OBJECT_CHECK(AspeedSMCState, (obj), TYPE_ASPEED_SMC) 63 #define ASPEED_SMC_CLASS(klass) \ 64 OBJECT_CLASS_CHECK(AspeedSMCClass, (klass), TYPE_ASPEED_SMC) 65 #define ASPEED_SMC_GET_CLASS(obj) \ 66 OBJECT_GET_CLASS(AspeedSMCClass, (obj), TYPE_ASPEED_SMC) 67 68 typedef struct AspeedSMCClass { 69 SysBusDevice parent_obj; 70 const AspeedSMCController *ctrl; 71 } AspeedSMCClass; 72 73 #define ASPEED_SMC_R_MAX (0x100 / 4) 74 75 typedef struct AspeedSMCState { 76 SysBusDevice parent_obj; 77 78 const AspeedSMCController *ctrl; 79 80 MemoryRegion mmio; 81 MemoryRegion mmio_flash; 82 83 qemu_irq irq; 84 int irqline; 85 86 uint32_t num_cs; 87 qemu_irq *cs_lines; 88 89 SSIBus *spi; 90 91 uint32_t regs[ASPEED_SMC_R_MAX]; 92 93 /* depends on the controller type */ 94 uint8_t r_conf; 95 uint8_t r_ce_ctrl; 96 uint8_t r_ctrl0; 97 uint8_t r_timings; 98 uint8_t conf_enable_w0; 99 100 AspeedSMCFlash *flashes; 101 102 uint8_t snoop_index; 103 uint8_t snoop_dummies; 104 } AspeedSMCState; 105 106 #endif /* ASPEED_SMC_H */ 107