1 /* 2 * ASPEED SoC 2700 family 3 * 4 * Copyright (C) 2025 ASPEED Technology Inc. 5 * 6 * This code is licensed under the GPL version 2 or later. See 7 * the COPYING file in the top-level directory. 8 * 9 * SPDX-License-Identifier: GPL-2.0-or-later 10 */ 11 12 #include "qemu/osdep.h" 13 #include "qemu/units.h" 14 #include "qapi/error.h" 15 #include "system/block-backend.h" 16 #include "system/system.h" 17 #include "hw/arm/aspeed.h" 18 #include "hw/boards.h" 19 #include "hw/qdev-clock.h" 20 #include "hw/arm/aspeed_soc.h" 21 #include "hw/loader.h" 22 #include "hw/arm/boot.h" 23 #include "hw/block/flash.h" 24 25 26 #define TYPE_AST2700A1FC MACHINE_TYPE_NAME("ast2700fc") 27 OBJECT_DECLARE_SIMPLE_TYPE(Ast2700FCState, AST2700A1FC); 28 29 static struct arm_boot_info ast2700fc_board_info = { 30 .board_id = -1, /* device-tree-only board */ 31 }; 32 33 struct Ast2700FCState { 34 MachineState parent_obj; 35 36 MemoryRegion ca35_memory; 37 MemoryRegion ca35_dram; 38 MemoryRegion ssp_memory; 39 MemoryRegion tsp_memory; 40 41 Clock *ssp_sysclk; 42 Clock *tsp_sysclk; 43 44 Aspeed27x0SoCState ca35; 45 Aspeed27x0SSPSoCState ssp; 46 Aspeed27x0TSPSoCState tsp; 47 48 bool mmio_exec; 49 }; 50 51 #define AST2700FC_BMC_RAM_SIZE (2 * GiB) 52 #define AST2700FC_CM4_DRAM_SIZE (32 * MiB) 53 54 #define AST2700FC_HW_STRAP1 0x000000C0 55 #define AST2700FC_HW_STRAP2 0x00000003 56 #define AST2700FC_FMC_MODEL "w25q01jvq" 57 #define AST2700FC_SPI_MODEL "w25q512jv" 58 59 static void ast2700fc_ca35_init(MachineState *machine) 60 { 61 Ast2700FCState *s = AST2700A1FC(machine); 62 AspeedSoCState *soc; 63 AspeedSoCClass *sc; 64 65 object_initialize_child(OBJECT(s), "ca35", &s->ca35, "ast2700-a1"); 66 soc = ASPEED_SOC(&s->ca35); 67 sc = ASPEED_SOC_GET_CLASS(soc); 68 69 memory_region_init(&s->ca35_memory, OBJECT(&s->ca35), "ca35-memory", 70 UINT64_MAX); 71 72 if (!memory_region_init_ram(&s->ca35_dram, OBJECT(&s->ca35), "ca35-dram", 73 AST2700FC_BMC_RAM_SIZE, &error_abort)) { 74 return; 75 } 76 if (!object_property_set_link(OBJECT(&s->ca35), "memory", 77 OBJECT(&s->ca35_memory), 78 &error_abort)) { 79 return; 80 }; 81 if (!object_property_set_link(OBJECT(&s->ca35), "dram", 82 OBJECT(&s->ca35_dram), &error_abort)) { 83 return; 84 } 85 if (!object_property_set_int(OBJECT(&s->ca35), "ram-size", 86 AST2700FC_BMC_RAM_SIZE, &error_abort)) { 87 return; 88 } 89 if (!object_property_set_int(OBJECT(&s->ca35), "hw-strap1", 90 AST2700FC_HW_STRAP1, &error_abort)) { 91 return; 92 } 93 if (!object_property_set_int(OBJECT(&s->ca35), "hw-strap2", 94 AST2700FC_HW_STRAP2, &error_abort)) { 95 return; 96 } 97 aspeed_soc_uart_set_chr(soc, ASPEED_DEV_UART12, serial_hd(0)); 98 if (!qdev_realize(DEVICE(&s->ca35), NULL, &error_abort)) { 99 return; 100 } 101 102 /* 103 * AST2700 EVB has a LM75 temperature sensor on I2C bus 0 at address 0x4d. 104 */ 105 i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 0), "tmp105", 0x4d); 106 107 aspeed_board_init_flashes(&soc->fmc, AST2700FC_FMC_MODEL, 2, 0); 108 aspeed_board_init_flashes(&soc->spi[0], AST2700FC_SPI_MODEL, 1, 2); 109 110 ast2700fc_board_info.ram_size = machine->ram_size; 111 ast2700fc_board_info.loader_start = sc->memmap[ASPEED_DEV_SDRAM]; 112 113 arm_load_kernel(ARM_CPU(first_cpu), machine, &ast2700fc_board_info); 114 } 115 116 static void ast2700fc_ssp_init(MachineState *machine) 117 { 118 AspeedSoCState *soc; 119 Ast2700FCState *s = AST2700A1FC(machine); 120 s->ssp_sysclk = clock_new(OBJECT(s), "SSP_SYSCLK"); 121 clock_set_hz(s->ssp_sysclk, 200000000ULL); 122 123 object_initialize_child(OBJECT(s), "ssp", &s->ssp, TYPE_ASPEED27X0SSP_SOC); 124 memory_region_init(&s->ssp_memory, OBJECT(&s->ssp), "ssp-memory", 125 UINT64_MAX); 126 127 qdev_connect_clock_in(DEVICE(&s->ssp), "sysclk", s->ssp_sysclk); 128 if (!object_property_set_link(OBJECT(&s->ssp), "memory", 129 OBJECT(&s->ssp_memory), &error_abort)) { 130 return; 131 } 132 133 soc = ASPEED_SOC(&s->ssp); 134 aspeed_soc_uart_set_chr(soc, ASPEED_DEV_UART4, serial_hd(1)); 135 if (!qdev_realize(DEVICE(&s->ssp), NULL, &error_abort)) { 136 return; 137 } 138 } 139 140 static void ast2700fc_tsp_init(MachineState *machine) 141 { 142 AspeedSoCState *soc; 143 Ast2700FCState *s = AST2700A1FC(machine); 144 s->tsp_sysclk = clock_new(OBJECT(s), "TSP_SYSCLK"); 145 clock_set_hz(s->tsp_sysclk, 200000000ULL); 146 147 object_initialize_child(OBJECT(s), "tsp", &s->tsp, TYPE_ASPEED27X0TSP_SOC); 148 memory_region_init(&s->tsp_memory, OBJECT(&s->tsp), "tsp-memory", 149 UINT64_MAX); 150 151 qdev_connect_clock_in(DEVICE(&s->tsp), "sysclk", s->tsp_sysclk); 152 if (!object_property_set_link(OBJECT(&s->tsp), "memory", 153 OBJECT(&s->tsp_memory), &error_abort)) { 154 return; 155 } 156 157 soc = ASPEED_SOC(&s->tsp); 158 aspeed_soc_uart_set_chr(soc, ASPEED_DEV_UART7, serial_hd(2)); 159 if (!qdev_realize(DEVICE(&s->tsp), NULL, &error_abort)) { 160 return; 161 } 162 } 163 164 static void ast2700fc_init(MachineState *machine) 165 { 166 ast2700fc_ca35_init(machine); 167 ast2700fc_ssp_init(machine); 168 ast2700fc_tsp_init(machine); 169 } 170 171 static void ast2700fc_class_init(ObjectClass *oc, const void *data) 172 { 173 MachineClass *mc = MACHINE_CLASS(oc); 174 175 mc->alias = "ast2700fc"; 176 mc->desc = "ast2700 full core support"; 177 mc->init = ast2700fc_init; 178 mc->no_floppy = 1; 179 mc->no_cdrom = 1; 180 mc->min_cpus = mc->max_cpus = mc->default_cpus = 6; 181 } 182 183 static const TypeInfo ast2700fc_types[] = { 184 { 185 .name = MACHINE_TYPE_NAME("ast2700fc"), 186 .parent = TYPE_MACHINE, 187 .class_init = ast2700fc_class_init, 188 .instance_size = sizeof(Ast2700FCState), 189 }, 190 }; 191 192 DEFINE_TYPES(ast2700fc_types) 193