1c2f58c2fSPeter Delevoryas /* 2c2f58c2fSPeter Delevoryas * Copyright (c) Meta Platforms, Inc. and affiliates. (http://www.meta.com) 3c2f58c2fSPeter Delevoryas * 4c2f58c2fSPeter Delevoryas * This code is licensed under the GPL version 2 or later. See the COPYING 5c2f58c2fSPeter Delevoryas * file in the top-level directory. 6c2f58c2fSPeter Delevoryas */ 7c2f58c2fSPeter Delevoryas 8c2f58c2fSPeter Delevoryas #include "qemu/osdep.h" 9778e14ccSPeter Delevoryas #include "qemu/units.h" 10778e14ccSPeter Delevoryas #include "qapi/error.h" 11778e14ccSPeter Delevoryas #include "sysemu/sysemu.h" 129cd8c41dSCédric Le Goater #include "sysemu/block-backend.h" 13c2f58c2fSPeter Delevoryas #include "hw/boards.h" 14*d5829a29SPeter Delevoryas #include "hw/qdev-clock.h" 15778e14ccSPeter Delevoryas #include "hw/arm/aspeed_soc.h" 16*d5829a29SPeter Delevoryas #include "hw/arm/boot.h" 17c2f58c2fSPeter Delevoryas 18c2f58c2fSPeter Delevoryas #define TYPE_FBY35 MACHINE_TYPE_NAME("fby35") 19c2f58c2fSPeter Delevoryas OBJECT_DECLARE_SIMPLE_TYPE(Fby35State, FBY35); 20c2f58c2fSPeter Delevoryas 21c2f58c2fSPeter Delevoryas struct Fby35State { 22c2f58c2fSPeter Delevoryas MachineState parent_obj; 23778e14ccSPeter Delevoryas 24778e14ccSPeter Delevoryas MemoryRegion bmc_memory; 25778e14ccSPeter Delevoryas MemoryRegion bmc_dram; 26778e14ccSPeter Delevoryas MemoryRegion bmc_boot_rom; 27*d5829a29SPeter Delevoryas MemoryRegion bic_memory; 28*d5829a29SPeter Delevoryas Clock *bic_sysclk; 29778e14ccSPeter Delevoryas 30778e14ccSPeter Delevoryas AspeedSoCState bmc; 31*d5829a29SPeter Delevoryas AspeedSoCState bic; 329cd8c41dSCédric Le Goater 339cd8c41dSCédric Le Goater bool mmio_exec; 34c2f58c2fSPeter Delevoryas }; 35c2f58c2fSPeter Delevoryas 36778e14ccSPeter Delevoryas #define FBY35_BMC_RAM_SIZE (2 * GiB) 379cd8c41dSCédric Le Goater #define FBY35_BMC_FIRMWARE_ADDR 0x0 389cd8c41dSCédric Le Goater 399cd8c41dSCédric Le Goater static void fby35_bmc_write_boot_rom(DriveInfo *dinfo, MemoryRegion *mr, 409cd8c41dSCédric Le Goater hwaddr offset, size_t rom_size, 419cd8c41dSCédric Le Goater Error **errp) 429cd8c41dSCédric Le Goater { 439cd8c41dSCédric Le Goater BlockBackend *blk = blk_by_legacy_dinfo(dinfo); 449cd8c41dSCédric Le Goater g_autofree void *storage = NULL; 459cd8c41dSCédric Le Goater int64_t size; 469cd8c41dSCédric Le Goater 479cd8c41dSCédric Le Goater /* 489cd8c41dSCédric Le Goater * The block backend size should have already been 'validated' by 499cd8c41dSCédric Le Goater * the creation of the m25p80 object. 509cd8c41dSCédric Le Goater */ 519cd8c41dSCédric Le Goater size = blk_getlength(blk); 529cd8c41dSCédric Le Goater if (size <= 0) { 539cd8c41dSCédric Le Goater error_setg(errp, "failed to get flash size"); 549cd8c41dSCédric Le Goater return; 559cd8c41dSCédric Le Goater } 569cd8c41dSCédric Le Goater 579cd8c41dSCédric Le Goater if (rom_size > size) { 589cd8c41dSCédric Le Goater rom_size = size; 599cd8c41dSCédric Le Goater } 609cd8c41dSCédric Le Goater 619cd8c41dSCédric Le Goater storage = g_malloc0(rom_size); 629cd8c41dSCédric Le Goater if (blk_pread(blk, 0, rom_size, storage, 0) < 0) { 639cd8c41dSCédric Le Goater error_setg(errp, "failed to read the initial flash content"); 649cd8c41dSCédric Le Goater return; 659cd8c41dSCédric Le Goater } 669cd8c41dSCédric Le Goater 679cd8c41dSCédric Le Goater /* TODO: find a better way to install the ROM */ 689cd8c41dSCédric Le Goater memcpy(memory_region_get_ram_ptr(mr) + offset, storage, rom_size); 699cd8c41dSCédric Le Goater } 70778e14ccSPeter Delevoryas 71778e14ccSPeter Delevoryas static void fby35_bmc_init(Fby35State *s) 72778e14ccSPeter Delevoryas { 739cd8c41dSCédric Le Goater DriveInfo *drive0 = drive_get(IF_MTD, 0, 0); 749cd8c41dSCédric Le Goater 75778e14ccSPeter Delevoryas memory_region_init(&s->bmc_memory, OBJECT(s), "bmc-memory", UINT64_MAX); 76778e14ccSPeter Delevoryas memory_region_init_ram(&s->bmc_dram, OBJECT(s), "bmc-dram", 77778e14ccSPeter Delevoryas FBY35_BMC_RAM_SIZE, &error_abort); 78778e14ccSPeter Delevoryas 79778e14ccSPeter Delevoryas object_initialize_child(OBJECT(s), "bmc", &s->bmc, "ast2600-a3"); 80778e14ccSPeter Delevoryas object_property_set_int(OBJECT(&s->bmc), "ram-size", FBY35_BMC_RAM_SIZE, 81778e14ccSPeter Delevoryas &error_abort); 82778e14ccSPeter Delevoryas object_property_set_link(OBJECT(&s->bmc), "memory", OBJECT(&s->bmc_memory), 83778e14ccSPeter Delevoryas &error_abort); 84778e14ccSPeter Delevoryas object_property_set_link(OBJECT(&s->bmc), "dram", OBJECT(&s->bmc_dram), 85778e14ccSPeter Delevoryas &error_abort); 86778e14ccSPeter Delevoryas object_property_set_int(OBJECT(&s->bmc), "hw-strap1", 0x000000C0, 87778e14ccSPeter Delevoryas &error_abort); 88778e14ccSPeter Delevoryas object_property_set_int(OBJECT(&s->bmc), "hw-strap2", 0x00000003, 89778e14ccSPeter Delevoryas &error_abort); 90778e14ccSPeter Delevoryas aspeed_soc_uart_set_chr(&s->bmc, ASPEED_DEV_UART5, serial_hd(0)); 91778e14ccSPeter Delevoryas qdev_realize(DEVICE(&s->bmc), NULL, &error_abort); 92778e14ccSPeter Delevoryas 93778e14ccSPeter Delevoryas aspeed_board_init_flashes(&s->bmc.fmc, "n25q00", 2, 0); 949cd8c41dSCédric Le Goater 959cd8c41dSCédric Le Goater /* Install first FMC flash content as a boot rom. */ 969cd8c41dSCédric Le Goater if (drive0) { 979cd8c41dSCédric Le Goater AspeedSMCFlash *fl = &s->bmc.fmc.flashes[0]; 989cd8c41dSCédric Le Goater MemoryRegion *boot_rom = g_new(MemoryRegion, 1); 999cd8c41dSCédric Le Goater uint64_t size = memory_region_size(&fl->mmio); 1009cd8c41dSCédric Le Goater 1019cd8c41dSCédric Le Goater if (s->mmio_exec) { 1029cd8c41dSCédric Le Goater memory_region_init_alias(boot_rom, NULL, "aspeed.boot_rom", 1039cd8c41dSCédric Le Goater &fl->mmio, 0, size); 1049cd8c41dSCédric Le Goater memory_region_add_subregion(&s->bmc_memory, FBY35_BMC_FIRMWARE_ADDR, 1059cd8c41dSCédric Le Goater boot_rom); 1069cd8c41dSCédric Le Goater } else { 1079cd8c41dSCédric Le Goater 1089cd8c41dSCédric Le Goater memory_region_init_rom(boot_rom, NULL, "aspeed.boot_rom", 1099cd8c41dSCédric Le Goater size, &error_abort); 1109cd8c41dSCédric Le Goater memory_region_add_subregion(&s->bmc_memory, FBY35_BMC_FIRMWARE_ADDR, 1119cd8c41dSCédric Le Goater boot_rom); 1129cd8c41dSCédric Le Goater fby35_bmc_write_boot_rom(drive0, boot_rom, FBY35_BMC_FIRMWARE_ADDR, 1139cd8c41dSCédric Le Goater size, &error_abort); 1149cd8c41dSCédric Le Goater } 1159cd8c41dSCédric Le Goater } 116778e14ccSPeter Delevoryas } 117778e14ccSPeter Delevoryas 118*d5829a29SPeter Delevoryas static void fby35_bic_init(Fby35State *s) 119*d5829a29SPeter Delevoryas { 120*d5829a29SPeter Delevoryas s->bic_sysclk = clock_new(OBJECT(s), "SYSCLK"); 121*d5829a29SPeter Delevoryas clock_set_hz(s->bic_sysclk, 200000000ULL); 122*d5829a29SPeter Delevoryas 123*d5829a29SPeter Delevoryas memory_region_init(&s->bic_memory, OBJECT(s), "bic-memory", UINT64_MAX); 124*d5829a29SPeter Delevoryas 125*d5829a29SPeter Delevoryas object_initialize_child(OBJECT(s), "bic", &s->bic, "ast1030-a1"); 126*d5829a29SPeter Delevoryas qdev_connect_clock_in(DEVICE(&s->bic), "sysclk", s->bic_sysclk); 127*d5829a29SPeter Delevoryas object_property_set_link(OBJECT(&s->bic), "memory", OBJECT(&s->bic_memory), 128*d5829a29SPeter Delevoryas &error_abort); 129*d5829a29SPeter Delevoryas aspeed_soc_uart_set_chr(&s->bic, ASPEED_DEV_UART5, serial_hd(1)); 130*d5829a29SPeter Delevoryas qdev_realize(DEVICE(&s->bic), NULL, &error_abort); 131*d5829a29SPeter Delevoryas 132*d5829a29SPeter Delevoryas aspeed_board_init_flashes(&s->bic.fmc, "sst25vf032b", 2, 2); 133*d5829a29SPeter Delevoryas aspeed_board_init_flashes(&s->bic.spi[0], "sst25vf032b", 2, 4); 134*d5829a29SPeter Delevoryas aspeed_board_init_flashes(&s->bic.spi[1], "sst25vf032b", 2, 6); 135*d5829a29SPeter Delevoryas } 136*d5829a29SPeter Delevoryas 137c2f58c2fSPeter Delevoryas static void fby35_init(MachineState *machine) 138c2f58c2fSPeter Delevoryas { 139778e14ccSPeter Delevoryas Fby35State *s = FBY35(machine); 140778e14ccSPeter Delevoryas 141778e14ccSPeter Delevoryas fby35_bmc_init(s); 142*d5829a29SPeter Delevoryas fby35_bic_init(s); 143c2f58c2fSPeter Delevoryas } 144c2f58c2fSPeter Delevoryas 1459cd8c41dSCédric Le Goater 1469cd8c41dSCédric Le Goater static bool fby35_get_mmio_exec(Object *obj, Error **errp) 1479cd8c41dSCédric Le Goater { 1489cd8c41dSCédric Le Goater return FBY35(obj)->mmio_exec; 1499cd8c41dSCédric Le Goater } 1509cd8c41dSCédric Le Goater 1519cd8c41dSCédric Le Goater static void fby35_set_mmio_exec(Object *obj, bool value, Error **errp) 1529cd8c41dSCédric Le Goater { 1539cd8c41dSCédric Le Goater FBY35(obj)->mmio_exec = value; 1549cd8c41dSCédric Le Goater } 1559cd8c41dSCédric Le Goater 1569cd8c41dSCédric Le Goater static void fby35_instance_init(Object *obj) 1579cd8c41dSCédric Le Goater { 1589cd8c41dSCédric Le Goater FBY35(obj)->mmio_exec = false; 1599cd8c41dSCédric Le Goater } 1609cd8c41dSCédric Le Goater 161c2f58c2fSPeter Delevoryas static void fby35_class_init(ObjectClass *oc, void *data) 162c2f58c2fSPeter Delevoryas { 163c2f58c2fSPeter Delevoryas MachineClass *mc = MACHINE_CLASS(oc); 164c2f58c2fSPeter Delevoryas 165c2f58c2fSPeter Delevoryas mc->desc = "Meta Platforms fby35"; 166c2f58c2fSPeter Delevoryas mc->init = fby35_init; 167778e14ccSPeter Delevoryas mc->no_floppy = 1; 168778e14ccSPeter Delevoryas mc->no_cdrom = 1; 169*d5829a29SPeter Delevoryas mc->min_cpus = mc->max_cpus = mc->default_cpus = 3; 1709cd8c41dSCédric Le Goater 1719cd8c41dSCédric Le Goater object_class_property_add_bool(oc, "execute-in-place", 1729cd8c41dSCédric Le Goater fby35_get_mmio_exec, 1739cd8c41dSCédric Le Goater fby35_set_mmio_exec); 1749cd8c41dSCédric Le Goater object_class_property_set_description(oc, "execute-in-place", 1759cd8c41dSCédric Le Goater "boot directly from CE0 flash device"); 176c2f58c2fSPeter Delevoryas } 177c2f58c2fSPeter Delevoryas 178c2f58c2fSPeter Delevoryas static const TypeInfo fby35_types[] = { 179c2f58c2fSPeter Delevoryas { 180c2f58c2fSPeter Delevoryas .name = MACHINE_TYPE_NAME("fby35"), 181c2f58c2fSPeter Delevoryas .parent = TYPE_MACHINE, 182c2f58c2fSPeter Delevoryas .class_init = fby35_class_init, 183c2f58c2fSPeter Delevoryas .instance_size = sizeof(Fby35State), 1849cd8c41dSCédric Le Goater .instance_init = fby35_instance_init, 185c2f58c2fSPeter Delevoryas }, 186c2f58c2fSPeter Delevoryas }; 187c2f58c2fSPeter Delevoryas 188c2f58c2fSPeter Delevoryas DEFINE_TYPES(fby35_types); 189