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"
14d5829a29SPeter Delevoryas #include "hw/qdev-clock.h"
15778e14ccSPeter Delevoryas #include "hw/arm/aspeed_soc.h"
16d5829a29SPeter 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;
27d5829a29SPeter Delevoryas MemoryRegion bic_memory;
28d5829a29SPeter Delevoryas Clock *bic_sysclk;
29778e14ccSPeter Delevoryas
30*c17fc025SPhilippe Mathieu-Daudé Aspeed2600SoCState bmc;
31a0c21030SPhilippe Mathieu-Daudé Aspeed10x0SoCState 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
fby35_bmc_write_boot_rom(DriveInfo * dinfo,MemoryRegion * mr,hwaddr offset,size_t rom_size,Error ** errp)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
fby35_bmc_init(Fby35State * s)71778e14ccSPeter Delevoryas static void fby35_bmc_init(Fby35State *s)
72778e14ccSPeter Delevoryas {
73*c17fc025SPhilippe Mathieu-Daudé AspeedSoCState *soc;
74*c17fc025SPhilippe Mathieu-Daudé
75398c01daSCédric Le Goater object_initialize_child(OBJECT(s), "bmc", &s->bmc, "ast2600-a3");
76*c17fc025SPhilippe Mathieu-Daudé soc = ASPEED_SOC(&s->bmc);
77398c01daSCédric Le Goater
78398c01daSCédric Le Goater memory_region_init(&s->bmc_memory, OBJECT(&s->bmc), "bmc-memory",
79398c01daSCédric Le Goater UINT64_MAX);
80398c01daSCédric Le Goater memory_region_init_ram(&s->bmc_dram, OBJECT(&s->bmc), "bmc-dram",
81778e14ccSPeter Delevoryas FBY35_BMC_RAM_SIZE, &error_abort);
82778e14ccSPeter Delevoryas
83778e14ccSPeter Delevoryas object_property_set_int(OBJECT(&s->bmc), "ram-size", FBY35_BMC_RAM_SIZE,
84778e14ccSPeter Delevoryas &error_abort);
85778e14ccSPeter Delevoryas object_property_set_link(OBJECT(&s->bmc), "memory", OBJECT(&s->bmc_memory),
86778e14ccSPeter Delevoryas &error_abort);
87778e14ccSPeter Delevoryas object_property_set_link(OBJECT(&s->bmc), "dram", OBJECT(&s->bmc_dram),
88778e14ccSPeter Delevoryas &error_abort);
89778e14ccSPeter Delevoryas object_property_set_int(OBJECT(&s->bmc), "hw-strap1", 0x000000C0,
90778e14ccSPeter Delevoryas &error_abort);
91778e14ccSPeter Delevoryas object_property_set_int(OBJECT(&s->bmc), "hw-strap2", 0x00000003,
92778e14ccSPeter Delevoryas &error_abort);
93*c17fc025SPhilippe Mathieu-Daudé aspeed_soc_uart_set_chr(soc, ASPEED_DEV_UART5, serial_hd(0));
94778e14ccSPeter Delevoryas qdev_realize(DEVICE(&s->bmc), NULL, &error_abort);
95778e14ccSPeter Delevoryas
96*c17fc025SPhilippe Mathieu-Daudé aspeed_board_init_flashes(&soc->fmc, "n25q00", 2, 0);
979cd8c41dSCédric Le Goater
989cd8c41dSCédric Le Goater /* Install first FMC flash content as a boot rom. */
995aa281d7SCédric Le Goater if (!s->mmio_exec) {
100ebd643ebSCédric Le Goater DriveInfo *mtd0 = drive_get(IF_MTD, 0, 0);
101ebd643ebSCédric Le Goater
102ebd643ebSCédric Le Goater if (mtd0) {
103*c17fc025SPhilippe Mathieu-Daudé uint64_t rom_size = memory_region_size(&soc->spi_boot);
104ebd643ebSCédric Le Goater
105ebd643ebSCédric Le Goater memory_region_init_rom(&s->bmc_boot_rom, NULL, "aspeed.boot_rom",
106ebd643ebSCédric Le Goater rom_size, &error_abort);
107*c17fc025SPhilippe Mathieu-Daudé memory_region_add_subregion_overlap(&soc->spi_boot_container, 0,
108ebd643ebSCédric Le Goater &s->bmc_boot_rom, 1);
109ebd643ebSCédric Le Goater
110ebd643ebSCédric Le Goater fby35_bmc_write_boot_rom(mtd0, &s->bmc_boot_rom,
111ebd643ebSCédric Le Goater FBY35_BMC_FIRMWARE_ADDR,
112ebd643ebSCédric Le Goater rom_size, &error_abort);
1139cd8c41dSCédric Le Goater }
1149cd8c41dSCédric Le Goater }
115778e14ccSPeter Delevoryas }
116778e14ccSPeter Delevoryas
fby35_bic_init(Fby35State * s)117d5829a29SPeter Delevoryas static void fby35_bic_init(Fby35State *s)
118d5829a29SPeter Delevoryas {
119a0c21030SPhilippe Mathieu-Daudé AspeedSoCState *soc;
120a0c21030SPhilippe Mathieu-Daudé
121d5829a29SPeter Delevoryas s->bic_sysclk = clock_new(OBJECT(s), "SYSCLK");
122d5829a29SPeter Delevoryas clock_set_hz(s->bic_sysclk, 200000000ULL);
123d5829a29SPeter Delevoryas
124d5829a29SPeter Delevoryas object_initialize_child(OBJECT(s), "bic", &s->bic, "ast1030-a1");
125a0c21030SPhilippe Mathieu-Daudé soc = ASPEED_SOC(&s->bic);
126398c01daSCédric Le Goater
127398c01daSCédric Le Goater memory_region_init(&s->bic_memory, OBJECT(&s->bic), "bic-memory",
128398c01daSCédric Le Goater UINT64_MAX);
129398c01daSCédric Le Goater
130d5829a29SPeter Delevoryas qdev_connect_clock_in(DEVICE(&s->bic), "sysclk", s->bic_sysclk);
131d5829a29SPeter Delevoryas object_property_set_link(OBJECT(&s->bic), "memory", OBJECT(&s->bic_memory),
132d5829a29SPeter Delevoryas &error_abort);
133a0c21030SPhilippe Mathieu-Daudé aspeed_soc_uart_set_chr(soc, ASPEED_DEV_UART5, serial_hd(1));
134d5829a29SPeter Delevoryas qdev_realize(DEVICE(&s->bic), NULL, &error_abort);
135d5829a29SPeter Delevoryas
136a0c21030SPhilippe Mathieu-Daudé aspeed_board_init_flashes(&soc->fmc, "sst25vf032b", 2, 2);
137a0c21030SPhilippe Mathieu-Daudé aspeed_board_init_flashes(&soc->spi[0], "sst25vf032b", 2, 4);
138a0c21030SPhilippe Mathieu-Daudé aspeed_board_init_flashes(&soc->spi[1], "sst25vf032b", 2, 6);
139d5829a29SPeter Delevoryas }
140d5829a29SPeter Delevoryas
fby35_init(MachineState * machine)141c2f58c2fSPeter Delevoryas static void fby35_init(MachineState *machine)
142c2f58c2fSPeter Delevoryas {
143778e14ccSPeter Delevoryas Fby35State *s = FBY35(machine);
144778e14ccSPeter Delevoryas
145778e14ccSPeter Delevoryas fby35_bmc_init(s);
146d5829a29SPeter Delevoryas fby35_bic_init(s);
147c2f58c2fSPeter Delevoryas }
148c2f58c2fSPeter Delevoryas
1499cd8c41dSCédric Le Goater
fby35_get_mmio_exec(Object * obj,Error ** errp)1509cd8c41dSCédric Le Goater static bool fby35_get_mmio_exec(Object *obj, Error **errp)
1519cd8c41dSCédric Le Goater {
1529cd8c41dSCédric Le Goater return FBY35(obj)->mmio_exec;
1539cd8c41dSCédric Le Goater }
1549cd8c41dSCédric Le Goater
fby35_set_mmio_exec(Object * obj,bool value,Error ** errp)1559cd8c41dSCédric Le Goater static void fby35_set_mmio_exec(Object *obj, bool value, Error **errp)
1569cd8c41dSCédric Le Goater {
1579cd8c41dSCédric Le Goater FBY35(obj)->mmio_exec = value;
1589cd8c41dSCédric Le Goater }
1599cd8c41dSCédric Le Goater
fby35_instance_init(Object * obj)1609cd8c41dSCédric Le Goater static void fby35_instance_init(Object *obj)
1619cd8c41dSCédric Le Goater {
1629cd8c41dSCédric Le Goater FBY35(obj)->mmio_exec = false;
1639cd8c41dSCédric Le Goater }
1649cd8c41dSCédric Le Goater
fby35_class_init(ObjectClass * oc,void * data)165c2f58c2fSPeter Delevoryas static void fby35_class_init(ObjectClass *oc, void *data)
166c2f58c2fSPeter Delevoryas {
167c2f58c2fSPeter Delevoryas MachineClass *mc = MACHINE_CLASS(oc);
168c2f58c2fSPeter Delevoryas
169c2f58c2fSPeter Delevoryas mc->desc = "Meta Platforms fby35";
170c2f58c2fSPeter Delevoryas mc->init = fby35_init;
171778e14ccSPeter Delevoryas mc->no_floppy = 1;
172778e14ccSPeter Delevoryas mc->no_cdrom = 1;
173d5829a29SPeter Delevoryas mc->min_cpus = mc->max_cpus = mc->default_cpus = 3;
1749cd8c41dSCédric Le Goater
1759cd8c41dSCédric Le Goater object_class_property_add_bool(oc, "execute-in-place",
1769cd8c41dSCédric Le Goater fby35_get_mmio_exec,
1779cd8c41dSCédric Le Goater fby35_set_mmio_exec);
1789cd8c41dSCédric Le Goater object_class_property_set_description(oc, "execute-in-place",
1799cd8c41dSCédric Le Goater "boot directly from CE0 flash device");
180c2f58c2fSPeter Delevoryas }
181c2f58c2fSPeter Delevoryas
182c2f58c2fSPeter Delevoryas static const TypeInfo fby35_types[] = {
183c2f58c2fSPeter Delevoryas {
184c2f58c2fSPeter Delevoryas .name = MACHINE_TYPE_NAME("fby35"),
185c2f58c2fSPeter Delevoryas .parent = TYPE_MACHINE,
186c2f58c2fSPeter Delevoryas .class_init = fby35_class_init,
187c2f58c2fSPeter Delevoryas .instance_size = sizeof(Fby35State),
1889cd8c41dSCédric Le Goater .instance_init = fby35_instance_init,
189c2f58c2fSPeter Delevoryas },
190c2f58c2fSPeter Delevoryas };
191c2f58c2fSPeter Delevoryas
192c2f58c2fSPeter Delevoryas DEFINE_TYPES(fby35_types);
193