diff options
Diffstat (limited to 'hw/riscv/sifive_u.c')
| -rw-r--r-- | hw/riscv/sifive_u.c | 142 |
1 files changed, 86 insertions, 56 deletions
diff --git a/hw/riscv/sifive_u.c b/hw/riscv/sifive_u.c index 998666c91f..bed10fcfa8 100644 --- a/hw/riscv/sifive_u.c +++ b/hw/riscv/sifive_u.c @@ -34,6 +34,7 @@ #include "qemu/log.h" #include "qemu/error-report.h" #include "qapi/error.h" +#include "qapi/visitor.h" #include "hw/boards.h" #include "hw/loader.h" #include "hw/sysbus.h" @@ -159,7 +160,11 @@ static void create_fdt(SiFiveUState *s, const struct MemmapEntry *memmap, qemu_fdt_add_subnode(fdt, nodename); /* cpu 0 is the management hart that does not have mmu */ if (cpu != 0) { +#if defined(TARGET_RISCV32) + qemu_fdt_setprop_string(fdt, nodename, "mmu-type", "riscv,sv32"); +#else qemu_fdt_setprop_string(fdt, nodename, "mmu-type", "riscv,sv48"); +#endif isa = riscv_isa_string(&s->soc.u_cpus.harts[cpu - 1]); } else { isa = riscv_isa_string(&s->soc.e_cpus.harts[0]); @@ -312,7 +317,7 @@ static void create_fdt(SiFiveUState *s, const struct MemmapEntry *memmap, g_free(nodename); } -static void riscv_sifive_u_init(MachineState *machine) +static void sifive_u_machine_init(MachineState *machine) { const struct MemmapEntry *memmap = sifive_u_memmap; SiFiveUState *s = RISCV_U_MACHINE(machine); @@ -326,6 +331,8 @@ static void riscv_sifive_u_init(MachineState *machine) object_initialize_child(OBJECT(machine), "soc", &s->soc, sizeof(s->soc), TYPE_RISCV_U_SOC, &error_abort, NULL); + object_property_set_uint(OBJECT(&s->soc), s->serial, "serial", + &error_abort); object_property_set_bool(OBJECT(&s->soc), true, "realized", &error_abort); @@ -345,7 +352,7 @@ static void riscv_sifive_u_init(MachineState *machine) create_fdt(s, memmap, machine->ram_size, machine->kernel_cmdline); riscv_find_and_load_firmware(machine, BIOS_FILENAME, - memmap[SIFIVE_U_DRAM].base); + memmap[SIFIVE_U_DRAM].base, NULL); if (machine->kernel_filename) { uint64_t kernel_entry = riscv_load_kernel(machine->kernel_filename, @@ -403,6 +410,76 @@ static void riscv_sifive_u_init(MachineState *machine) &address_space_memory); } +static bool sifive_u_machine_get_start_in_flash(Object *obj, Error **errp) +{ + SiFiveUState *s = RISCV_U_MACHINE(obj); + + return s->start_in_flash; +} + +static void sifive_u_machine_set_start_in_flash(Object *obj, bool value, Error **errp) +{ + SiFiveUState *s = RISCV_U_MACHINE(obj); + + s->start_in_flash = value; +} + +static void sifive_u_machine_get_serial(Object *obj, Visitor *v, const char *name, + void *opaque, Error **errp) +{ + visit_type_uint32(v, name, (uint32_t *)opaque, errp); +} + +static void sifive_u_machine_set_serial(Object *obj, Visitor *v, const char *name, + void *opaque, Error **errp) +{ + visit_type_uint32(v, name, (uint32_t *)opaque, errp); +} + +static void sifive_u_machine_instance_init(Object *obj) +{ + SiFiveUState *s = RISCV_U_MACHINE(obj); + + s->start_in_flash = false; + object_property_add_bool(obj, "start-in-flash", sifive_u_machine_get_start_in_flash, + sifive_u_machine_set_start_in_flash, NULL); + object_property_set_description(obj, "start-in-flash", + "Set on to tell QEMU's ROM to jump to " + "flash. Otherwise QEMU will jump to DRAM", + NULL); + + s->serial = OTP_SERIAL; + object_property_add(obj, "serial", "uint32", sifive_u_machine_get_serial, + sifive_u_machine_set_serial, NULL, &s->serial, NULL); + object_property_set_description(obj, "serial", "Board serial number", NULL); +} + +static void sifive_u_machine_class_init(ObjectClass *oc, void *data) +{ + MachineClass *mc = MACHINE_CLASS(oc); + + mc->desc = "RISC-V Board compatible with SiFive U SDK"; + mc->init = sifive_u_machine_init; + mc->max_cpus = SIFIVE_U_MANAGEMENT_CPU_COUNT + SIFIVE_U_COMPUTE_CPU_COUNT; + mc->min_cpus = SIFIVE_U_MANAGEMENT_CPU_COUNT + 1; + mc->default_cpus = mc->min_cpus; +} + +static const TypeInfo sifive_u_machine_typeinfo = { + .name = MACHINE_TYPE_NAME("sifive_u"), + .parent = TYPE_MACHINE, + .class_init = sifive_u_machine_class_init, + .instance_init = sifive_u_machine_instance_init, + .instance_size = sizeof(SiFiveUState), +}; + +static void sifive_u_machine_init_register_types(void) +{ + type_register_static(&sifive_u_machine_typeinfo); +} + +type_init(sifive_u_machine_init_register_types) + static void riscv_sifive_u_soc_init(Object *obj) { MachineState *ms = MACHINE(qdev_get_machine()); @@ -438,38 +515,10 @@ static void riscv_sifive_u_soc_init(Object *obj) TYPE_SIFIVE_U_PRCI); sysbus_init_child_obj(obj, "otp", &s->otp, sizeof(s->otp), TYPE_SIFIVE_U_OTP); - qdev_prop_set_uint32(DEVICE(&s->otp), "serial", OTP_SERIAL); sysbus_init_child_obj(obj, "gem", &s->gem, sizeof(s->gem), TYPE_CADENCE_GEM); } -static bool sifive_u_get_start_in_flash(Object *obj, Error **errp) -{ - SiFiveUState *s = RISCV_U_MACHINE(obj); - - return s->start_in_flash; -} - -static void sifive_u_set_start_in_flash(Object *obj, bool value, Error **errp) -{ - SiFiveUState *s = RISCV_U_MACHINE(obj); - - s->start_in_flash = value; -} - -static void riscv_sifive_u_machine_instance_init(Object *obj) -{ - SiFiveUState *s = RISCV_U_MACHINE(obj); - - s->start_in_flash = false; - object_property_add_bool(obj, "start-in-flash", sifive_u_get_start_in_flash, - sifive_u_set_start_in_flash, NULL); - object_property_set_description(obj, "start-in-flash", - "Set on to tell QEMU's ROM to jump to " - "flash. Otherwise QEMU will jump to DRAM", - NULL); -} - static void riscv_sifive_u_soc_realize(DeviceState *dev, Error **errp) { MachineState *ms = MACHINE(qdev_get_machine()); @@ -558,6 +607,7 @@ static void riscv_sifive_u_soc_realize(DeviceState *dev, Error **errp) object_property_set_bool(OBJECT(&s->prci), true, "realized", &err); sysbus_mmio_map(SYS_BUS_DEVICE(&s->prci), 0, memmap[SIFIVE_U_PRCI].base); + qdev_prop_set_uint32(DEVICE(&s->otp), "serial", s->serial); object_property_set_bool(OBJECT(&s->otp), true, "realized", &err); sysbus_mmio_map(SYS_BUS_DEVICE(&s->otp), 0, memmap[SIFIVE_U_OTP].base); @@ -584,10 +634,16 @@ static void riscv_sifive_u_soc_realize(DeviceState *dev, Error **errp) memmap[SIFIVE_U_GEM_MGMT].base, memmap[SIFIVE_U_GEM_MGMT].size); } +static Property riscv_sifive_u_soc_props[] = { + DEFINE_PROP_UINT32("serial", SiFiveUSoCState, serial, OTP_SERIAL), + DEFINE_PROP_END_OF_LIST() +}; + static void riscv_sifive_u_soc_class_init(ObjectClass *oc, void *data) { DeviceClass *dc = DEVICE_CLASS(oc); + device_class_set_props(dc, riscv_sifive_u_soc_props); dc->realize = riscv_sifive_u_soc_realize; /* Reason: Uses serial_hds in realize function, thus can't be used twice */ dc->user_creatable = false; @@ -607,29 +663,3 @@ static void riscv_sifive_u_soc_register_types(void) } type_init(riscv_sifive_u_soc_register_types) - -static void riscv_sifive_u_machine_class_init(ObjectClass *oc, void *data) -{ - MachineClass *mc = MACHINE_CLASS(oc); - - mc->desc = "RISC-V Board compatible with SiFive U SDK"; - mc->init = riscv_sifive_u_init; - mc->max_cpus = SIFIVE_U_MANAGEMENT_CPU_COUNT + SIFIVE_U_COMPUTE_CPU_COUNT; - mc->min_cpus = SIFIVE_U_MANAGEMENT_CPU_COUNT + 1; - mc->default_cpus = mc->min_cpus; -} - -static const TypeInfo riscv_sifive_u_machine_typeinfo = { - .name = MACHINE_TYPE_NAME("sifive_u"), - .parent = TYPE_MACHINE, - .class_init = riscv_sifive_u_machine_class_init, - .instance_init = riscv_sifive_u_machine_instance_init, - .instance_size = sizeof(SiFiveUState), -}; - -static void riscv_sifive_u_machine_init_register_types(void) -{ - type_register_static(&riscv_sifive_u_machine_typeinfo); -} - -type_init(riscv_sifive_u_machine_init_register_types) |