1 /* 2 * Machine definitions for boards featuring an NPCM7xx SoC. 3 * 4 * Copyright 2020 Google LLC 5 * 6 * This program is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License as published by the 8 * Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * for more details. 15 */ 16 17 #include "qemu/osdep.h" 18 19 #include "exec/address-spaces.h" 20 #include "hw/arm/npcm7xx.h" 21 #include "hw/core/cpu.h" 22 #include "hw/loader.h" 23 #include "hw/qdev-properties.h" 24 #include "qapi/error.h" 25 #include "qemu-common.h" 26 #include "qemu/datadir.h" 27 #include "qemu/units.h" 28 #include "sysemu/sysemu.h" 29 30 #define NPCM750_EVB_POWER_ON_STRAPS 0x00001ff7 31 #define QUANTA_GSJ_POWER_ON_STRAPS 0x00001fff 32 33 static const char npcm7xx_default_bootrom[] = "npcm7xx_bootrom.bin"; 34 35 static void npcm7xx_load_bootrom(MachineState *machine, NPCM7xxState *soc) 36 { 37 const char *bios_name = machine->firmware ?: npcm7xx_default_bootrom; 38 g_autofree char *filename = NULL; 39 int ret; 40 41 filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); 42 if (!filename) { 43 error_report("Could not find ROM image '%s'", bios_name); 44 if (!machine->kernel_filename) { 45 /* We can't boot without a bootrom or a kernel image. */ 46 exit(1); 47 } 48 return; 49 } 50 ret = load_image_mr(filename, &soc->irom); 51 if (ret < 0) { 52 error_report("Failed to load ROM image '%s'", filename); 53 exit(1); 54 } 55 } 56 57 static void npcm7xx_connect_flash(NPCM7xxFIUState *fiu, int cs_no, 58 const char *flash_type, DriveInfo *dinfo) 59 { 60 DeviceState *flash; 61 qemu_irq flash_cs; 62 63 flash = qdev_new(flash_type); 64 if (dinfo) { 65 qdev_prop_set_drive(flash, "drive", blk_by_legacy_dinfo(dinfo)); 66 } 67 qdev_realize_and_unref(flash, BUS(fiu->spi), &error_fatal); 68 69 flash_cs = qdev_get_gpio_in_named(flash, SSI_GPIO_CS, 0); 70 qdev_connect_gpio_out_named(DEVICE(fiu), "cs", cs_no, flash_cs); 71 } 72 73 static void npcm7xx_connect_dram(NPCM7xxState *soc, MemoryRegion *dram) 74 { 75 memory_region_add_subregion(get_system_memory(), NPCM7XX_DRAM_BA, dram); 76 77 object_property_set_link(OBJECT(soc), "dram-mr", OBJECT(dram), 78 &error_abort); 79 } 80 81 static NPCM7xxState *npcm7xx_create_soc(MachineState *machine, 82 uint32_t hw_straps) 83 { 84 NPCM7xxMachineClass *nmc = NPCM7XX_MACHINE_GET_CLASS(machine); 85 MachineClass *mc = MACHINE_CLASS(nmc); 86 Object *obj; 87 88 if (strcmp(machine->cpu_type, mc->default_cpu_type) != 0) { 89 error_report("This board can only be used with %s", 90 mc->default_cpu_type); 91 exit(1); 92 } 93 94 obj = object_new_with_props(nmc->soc_type, OBJECT(machine), "soc", 95 &error_abort, NULL); 96 object_property_set_uint(obj, "power-on-straps", hw_straps, &error_abort); 97 98 return NPCM7XX(obj); 99 } 100 101 static void npcm750_evb_init(MachineState *machine) 102 { 103 NPCM7xxState *soc; 104 105 soc = npcm7xx_create_soc(machine, NPCM750_EVB_POWER_ON_STRAPS); 106 npcm7xx_connect_dram(soc, machine->ram); 107 qdev_realize(DEVICE(soc), NULL, &error_fatal); 108 109 npcm7xx_load_bootrom(machine, soc); 110 npcm7xx_connect_flash(&soc->fiu[0], 0, "w25q256", drive_get(IF_MTD, 0, 0)); 111 npcm7xx_load_kernel(machine, soc); 112 } 113 114 static void quanta_gsj_init(MachineState *machine) 115 { 116 NPCM7xxState *soc; 117 118 soc = npcm7xx_create_soc(machine, QUANTA_GSJ_POWER_ON_STRAPS); 119 npcm7xx_connect_dram(soc, machine->ram); 120 qdev_realize(DEVICE(soc), NULL, &error_fatal); 121 122 npcm7xx_load_bootrom(machine, soc); 123 npcm7xx_connect_flash(&soc->fiu[0], 0, "mx25l25635e", 124 drive_get(IF_MTD, 0, 0)); 125 npcm7xx_load_kernel(machine, soc); 126 } 127 128 static void npcm7xx_set_soc_type(NPCM7xxMachineClass *nmc, const char *type) 129 { 130 NPCM7xxClass *sc = NPCM7XX_CLASS(object_class_by_name(type)); 131 MachineClass *mc = MACHINE_CLASS(nmc); 132 133 nmc->soc_type = type; 134 mc->default_cpus = mc->min_cpus = mc->max_cpus = sc->num_cpus; 135 } 136 137 static void npcm7xx_machine_class_init(ObjectClass *oc, void *data) 138 { 139 MachineClass *mc = MACHINE_CLASS(oc); 140 141 mc->no_floppy = 1; 142 mc->no_cdrom = 1; 143 mc->no_parallel = 1; 144 mc->default_ram_id = "ram"; 145 mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a9"); 146 } 147 148 /* 149 * Schematics: 150 * https://github.com/Nuvoton-Israel/nuvoton-info/blob/master/npcm7xx-poleg/evaluation-board/board_deliverables/NPCM750x_EB_ver.A1.1_COMPLETE.pdf 151 */ 152 static void npcm750_evb_machine_class_init(ObjectClass *oc, void *data) 153 { 154 NPCM7xxMachineClass *nmc = NPCM7XX_MACHINE_CLASS(oc); 155 MachineClass *mc = MACHINE_CLASS(oc); 156 157 npcm7xx_set_soc_type(nmc, TYPE_NPCM750); 158 159 mc->desc = "Nuvoton NPCM750 Evaluation Board (Cortex A9)"; 160 mc->init = npcm750_evb_init; 161 mc->default_ram_size = 512 * MiB; 162 }; 163 164 static void gsj_machine_class_init(ObjectClass *oc, void *data) 165 { 166 NPCM7xxMachineClass *nmc = NPCM7XX_MACHINE_CLASS(oc); 167 MachineClass *mc = MACHINE_CLASS(oc); 168 169 npcm7xx_set_soc_type(nmc, TYPE_NPCM730); 170 171 mc->desc = "Quanta GSJ (Cortex A9)"; 172 mc->init = quanta_gsj_init; 173 mc->default_ram_size = 512 * MiB; 174 }; 175 176 static const TypeInfo npcm7xx_machine_types[] = { 177 { 178 .name = TYPE_NPCM7XX_MACHINE, 179 .parent = TYPE_MACHINE, 180 .instance_size = sizeof(NPCM7xxMachine), 181 .class_size = sizeof(NPCM7xxMachineClass), 182 .class_init = npcm7xx_machine_class_init, 183 .abstract = true, 184 }, { 185 .name = MACHINE_TYPE_NAME("npcm750-evb"), 186 .parent = TYPE_NPCM7XX_MACHINE, 187 .class_init = npcm750_evb_machine_class_init, 188 }, { 189 .name = MACHINE_TYPE_NAME("quanta-gsj"), 190 .parent = TYPE_NPCM7XX_MACHINE, 191 .class_init = gsj_machine_class_init, 192 }, 193 }; 194 195 DEFINE_TYPES(npcm7xx_machine_types) 196