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 30typedef struct AspeedSegments { 31 hwaddr addr; 32 uint32_t size; 33} AspeedSegments; 34 35struct AspeedSMCState; 36typedef 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} AspeedSMCController; 48 49typedef struct AspeedSMCFlash { 50 const struct AspeedSMCState *controller; 51 52 uint8_t id; 53 uint32_t size; 54 55 MemoryRegion mmio; 56 DeviceState *flash; 57} AspeedSMCFlash; 58 59#define TYPE_ASPEED_SMC "aspeed.smc" 60#define ASPEED_SMC(obj) OBJECT_CHECK(AspeedSMCState, (obj), TYPE_ASPEED_SMC) 61#define ASPEED_SMC_CLASS(klass) \ 62 OBJECT_CLASS_CHECK(AspeedSMCClass, (klass), TYPE_ASPEED_SMC) 63#define ASPEED_SMC_GET_CLASS(obj) \ 64 OBJECT_GET_CLASS(AspeedSMCClass, (obj), TYPE_ASPEED_SMC) 65 66typedef struct AspeedSMCClass { 67 SysBusDevice parent_obj; 68 const AspeedSMCController *ctrl; 69} AspeedSMCClass; 70 71#define ASPEED_SMC_R_MAX (0x100 / 4) 72 73typedef struct AspeedSMCState { 74 SysBusDevice parent_obj; 75 76 const AspeedSMCController *ctrl; 77 78 MemoryRegion mmio; 79 MemoryRegion mmio_flash; 80 81 qemu_irq irq; 82 int irqline; 83 84 uint32_t num_cs; 85 qemu_irq *cs_lines; 86 87 SSIBus *spi; 88 89 uint32_t regs[ASPEED_SMC_R_MAX]; 90 91 /* depends on the controller type */ 92 uint8_t r_conf; 93 uint8_t r_ce_ctrl; 94 uint8_t r_ctrl0; 95 uint8_t r_timings; 96 uint8_t conf_enable_w0; 97 98 AspeedSMCFlash *flashes; 99} AspeedSMCState; 100 101#endif /* ASPEED_SMC_H */ 102