diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/ssi/aspeed_smc.c | 76 |
1 files changed, 68 insertions, 8 deletions
diff --git a/hw/ssi/aspeed_smc.c b/hw/ssi/aspeed_smc.c index 643cde8323..c534e9bf87 100644 --- a/hw/ssi/aspeed_smc.c +++ b/hw/ssi/aspeed_smc.c @@ -1101,6 +1101,18 @@ static const MemoryRegionOps aspeed_smc_ops = { .endianness = DEVICE_LITTLE_ENDIAN, }; +static void aspeed_smc_instance_init(Object *obj) +{ + AspeedSMCState *s = ASPEED_SMC(obj); + AspeedSMCClass *asc = ASPEED_SMC_GET_CLASS(s); + int i; + + for (i = 0; i < asc->max_peripherals; i++) { + object_initialize_child(obj, "flash[*]", &s->flashes[i], + TYPE_ASPEED_SMC_FLASH); + } +} + /* * Initialize the custom address spaces for DMAs */ @@ -1123,7 +1135,6 @@ static void aspeed_smc_realize(DeviceState *dev, Error **errp) AspeedSMCState *s = ASPEED_SMC(dev); AspeedSMCClass *asc = ASPEED_SMC_GET_CLASS(s); int i; - char name[32]; hwaddr offset = 0; /* keep a copy under AspeedSMCState to speed up accesses */ @@ -1170,8 +1181,6 @@ static void aspeed_smc_realize(DeviceState *dev, Error **errp) &s->mmio_flash, 0, asc->flash_window_size); sysbus_init_mmio(sbd, &s->mmio_flash_alias); - s->flashes = g_new0(AspeedSMCFlash, asc->max_peripherals); - /* * Let's create a sub memory region for each possible peripheral. All * have a configurable memory segment in the overall flash mapping @@ -1182,12 +1191,17 @@ static void aspeed_smc_realize(DeviceState *dev, Error **errp) for (i = 0; i < asc->max_peripherals; ++i) { AspeedSMCFlash *fl = &s->flashes[i]; - snprintf(name, sizeof(name), TYPE_ASPEED_SMC ".flash.%d", i); + if (!object_property_set_link(OBJECT(fl), "controller", OBJECT(s), + errp)) { + return; + } + if (!object_property_set_uint(OBJECT(fl), "cs", i, errp)) { + return; + } + if (!sysbus_realize(SYS_BUS_DEVICE(fl), errp)) { + return; + } - fl->cs = i; - fl->controller = s; - memory_region_init_io(&fl->mmio, OBJECT(s), &aspeed_smc_flash_ops, - fl, name, asc->segments[i].size); memory_region_add_subregion(&s->mmio_flash, offset, &fl->mmio); offset += asc->segments[i].size; } @@ -1231,12 +1245,57 @@ static void aspeed_smc_class_init(ObjectClass *klass, void *data) static const TypeInfo aspeed_smc_info = { .name = TYPE_ASPEED_SMC, .parent = TYPE_SYS_BUS_DEVICE, + .instance_init = aspeed_smc_instance_init, .instance_size = sizeof(AspeedSMCState), .class_size = sizeof(AspeedSMCClass), .class_init = aspeed_smc_class_init, .abstract = true, }; +static void aspeed_smc_flash_realize(DeviceState *dev, Error **errp) +{ + AspeedSMCFlash *s = ASPEED_SMC_FLASH(dev); + AspeedSMCClass *asc; + g_autofree char *name = g_strdup_printf(TYPE_ASPEED_SMC_FLASH ".%d", s->cs); + + if (!s->controller) { + error_setg(errp, TYPE_ASPEED_SMC_FLASH ": 'controller' link not set"); + return; + } + + asc = ASPEED_SMC_GET_CLASS(s->controller); + + /* + * Use the default segment value to size the memory region. This + * can be changed by FW at runtime. + */ + memory_region_init_io(&s->mmio, OBJECT(s), &aspeed_smc_flash_ops, + s, name, asc->segments[s->cs].size); + sysbus_init_mmio(SYS_BUS_DEVICE(dev), &s->mmio); +} + +static Property aspeed_smc_flash_properties[] = { + DEFINE_PROP_UINT8("cs", AspeedSMCFlash, cs, 0), + DEFINE_PROP_LINK("controller", AspeedSMCFlash, controller, TYPE_ASPEED_SMC, + AspeedSMCState *), + DEFINE_PROP_END_OF_LIST(), +}; + +static void aspeed_smc_flash_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + + dc->desc = "Aspeed SMC Flash device region"; + dc->realize = aspeed_smc_flash_realize; + device_class_set_props(dc, aspeed_smc_flash_properties); +} + +static const TypeInfo aspeed_smc_flash_info = { + .name = TYPE_ASPEED_SMC_FLASH, + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(AspeedSMCFlash), + .class_init = aspeed_smc_flash_class_init, +}; /* * The Segment Registers of the AST2400 and AST2500 have a 8MB @@ -1625,6 +1684,7 @@ static const TypeInfo aspeed_2600_spi2_info = { static void aspeed_smc_register_types(void) { + type_register_static(&aspeed_smc_flash_info); type_register_static(&aspeed_smc_info); type_register_static(&aspeed_2400_smc_info); type_register_static(&aspeed_2400_fmc_info); |