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 uint32_t mapping_window_size; 46 } AspeedSMCController; 47 48 typedef struct AspeedSMCFlash { 49 const struct AspeedSMCState *controller; 50 51 uint8_t id; 52 uint32_t size; 53 54 MemoryRegion mmio; 55 DeviceState *flash; 56 } AspeedSMCFlash; 57 58 #define TYPE_ASPEED_SMC "aspeed.smc" 59 #define ASPEED_SMC(obj) OBJECT_CHECK(AspeedSMCState, (obj), TYPE_ASPEED_SMC) 60 #define ASPEED_SMC_CLASS(klass) \ 61 OBJECT_CLASS_CHECK(AspeedSMCClass, (klass), TYPE_ASPEED_SMC) 62 #define ASPEED_SMC_GET_CLASS(obj) \ 63 OBJECT_GET_CLASS(AspeedSMCClass, (obj), TYPE_ASPEED_SMC) 64 65 typedef struct AspeedSMCClass { 66 SysBusDevice parent_obj; 67 const AspeedSMCController *ctrl; 68 } AspeedSMCClass; 69 70 #define ASPEED_SMC_R_MAX (0x100 / 4) 71 72 typedef struct AspeedSMCState { 73 SysBusDevice parent_obj; 74 75 const AspeedSMCController *ctrl; 76 77 MemoryRegion mmio; 78 MemoryRegion mmio_flash; 79 80 qemu_irq irq; 81 int irqline; 82 83 uint32_t num_cs; 84 qemu_irq *cs_lines; 85 86 SSIBus *spi; 87 88 uint32_t regs[ASPEED_SMC_R_MAX]; 89 90 /* depends on the controller type */ 91 uint8_t r_conf; 92 uint8_t r_ce_ctrl; 93 uint8_t r_ctrl0; 94 uint8_t r_timings; 95 uint8_t conf_enable_w0; 96 97 AspeedSMCFlash *flashes; 98 } AspeedSMCState; 99 100 #endif /* ASPEED_SMC_H */ 101