diff options
Diffstat (limited to 'hw/isa/piix4.c')
-rw-r--r-- | hw/isa/piix4.c | 290 |
1 files changed, 0 insertions, 290 deletions
diff --git a/hw/isa/piix4.c b/hw/isa/piix4.c deleted file mode 100644 index 71899aaa69..0000000000 --- a/hw/isa/piix4.c +++ /dev/null @@ -1,290 +0,0 @@ -/* - * QEMU PIIX4 PCI Bridge Emulation - * - * Copyright (c) 2006 Fabrice Bellard - * Copyright (c) 2018 Hervé Poussineau - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ - -#include "qemu/osdep.h" -#include "qapi/error.h" -#include "hw/irq.h" -#include "hw/southbridge/piix.h" -#include "hw/pci/pci.h" -#include "hw/ide/piix.h" -#include "hw/isa/isa.h" -#include "hw/intc/i8259.h" -#include "hw/dma/i8257.h" -#include "hw/timer/i8254.h" -#include "hw/rtc/mc146818rtc.h" -#include "hw/ide/pci.h" -#include "hw/acpi/piix4.h" -#include "hw/usb/hcd-uhci.h" -#include "migration/vmstate.h" -#include "sysemu/reset.h" -#include "sysemu/runstate.h" -#include "qom/object.h" - -typedef struct PIIXState PIIX4State; - -DECLARE_INSTANCE_CHECKER(PIIX4State, PIIX4_PCI_DEVICE, TYPE_PIIX4_PCI_DEVICE) - -static void piix4_set_irq(void *opaque, int irq_num, int level) -{ - int i, pic_irq, pic_level; - PIIX4State *s = opaque; - PCIBus *bus = pci_get_bus(&s->dev); - - /* now we change the pic irq level according to the piix irq mappings */ - /* XXX: optimize */ - pic_irq = s->dev.config[PIIX_PIRQCA + irq_num]; - if (pic_irq < ISA_NUM_IRQS) { - /* The pic level is the logical OR of all the PCI irqs mapped to it. */ - pic_level = 0; - for (i = 0; i < PIIX_NUM_PIRQS; i++) { - if (pic_irq == s->dev.config[PIIX_PIRQCA + i]) { - pic_level |= pci_bus_get_irq_level(bus, i); - } - } - qemu_set_irq(s->isa_irqs_in[pic_irq], pic_level); - } -} - -static void piix4_isa_reset(DeviceState *dev) -{ - PIIX4State *d = PIIX4_PCI_DEVICE(dev); - uint8_t *pci_conf = d->dev.config; - - pci_conf[0x04] = 0x07; // master, memory and I/O - pci_conf[0x05] = 0x00; - pci_conf[0x06] = 0x00; - pci_conf[0x07] = 0x02; // PCI_status_devsel_medium - pci_conf[0x4c] = 0x4d; - pci_conf[0x4e] = 0x03; - pci_conf[0x4f] = 0x00; - pci_conf[0x60] = 0x80; - pci_conf[0x61] = 0x80; - pci_conf[0x62] = 0x80; - pci_conf[0x63] = 0x80; - pci_conf[0x69] = 0x02; - pci_conf[0x70] = 0x80; - pci_conf[0x76] = 0x0c; - pci_conf[0x77] = 0x0c; - pci_conf[0x78] = 0x02; - pci_conf[0x79] = 0x00; - pci_conf[0x80] = 0x00; - pci_conf[0x82] = 0x00; - pci_conf[0xa0] = 0x08; - pci_conf[0xa2] = 0x00; - pci_conf[0xa3] = 0x00; - pci_conf[0xa4] = 0x00; - pci_conf[0xa5] = 0x00; - pci_conf[0xa6] = 0x00; - pci_conf[0xa7] = 0x00; - pci_conf[0xa8] = 0x0f; - pci_conf[0xaa] = 0x00; - pci_conf[0xab] = 0x00; - pci_conf[0xac] = 0x00; - pci_conf[0xae] = 0x00; - - d->rcr = 0; -} - -static int piix4_post_load(void *opaque, int version_id) -{ - PIIX4State *s = opaque; - - if (version_id == 2) { - s->rcr = 0; - } - - return 0; -} - -static const VMStateDescription vmstate_piix4 = { - .name = "PIIX4", - .version_id = 3, - .minimum_version_id = 2, - .post_load = piix4_post_load, - .fields = (VMStateField[]) { - VMSTATE_PCI_DEVICE(dev, PIIX4State), - VMSTATE_UINT8_V(rcr, PIIX4State, 3), - VMSTATE_END_OF_LIST() - } -}; - -static void piix4_request_i8259_irq(void *opaque, int irq, int level) -{ - PIIX4State *s = opaque; - qemu_set_irq(s->cpu_intr, level); -} - -static void rcr_write(void *opaque, hwaddr addr, uint64_t val, - unsigned int len) -{ - PIIX4State *s = opaque; - - if (val & 4) { - qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET); - return; - } - - s->rcr = val & 2; /* keep System Reset type only */ -} - -static uint64_t rcr_read(void *opaque, hwaddr addr, unsigned int len) -{ - PIIX4State *s = opaque; - - return s->rcr; -} - -static const MemoryRegionOps rcr_ops = { - .read = rcr_read, - .write = rcr_write, - .endianness = DEVICE_LITTLE_ENDIAN, - .impl = { - .min_access_size = 1, - .max_access_size = 1, - }, -}; - -static void piix4_realize(PCIDevice *dev, Error **errp) -{ - PIIX4State *s = PIIX4_PCI_DEVICE(dev); - PCIBus *pci_bus = pci_get_bus(dev); - ISABus *isa_bus; - qemu_irq *i8259_out_irq; - qemu_irq *i8259; - size_t i; - - isa_bus = isa_bus_new(DEVICE(dev), pci_address_space(dev), - pci_address_space_io(dev), errp); - if (!isa_bus) { - return; - } - - qdev_init_gpio_out_named(DEVICE(dev), &s->cpu_intr, - "intr", 1); - - memory_region_init_io(&s->rcr_mem, OBJECT(dev), &rcr_ops, s, - "reset-control", 1); - memory_region_add_subregion_overlap(pci_address_space_io(dev), - PIIX_RCR_IOPORT, &s->rcr_mem, 1); - - /* initialize i8259 pic */ - i8259_out_irq = qemu_allocate_irqs(piix4_request_i8259_irq, s, 1); - i8259 = i8259_init(isa_bus, *i8259_out_irq); - - for (i = 0; i < ISA_NUM_IRQS; i++) { - s->isa_irqs_in[i] = i8259[i]; - } - - g_free(i8259); - - /* initialize ISA irqs */ - isa_bus_register_input_irqs(isa_bus, s->isa_irqs_in); - - /* initialize pit */ - i8254_pit_init(isa_bus, 0x40, 0, NULL); - - /* DMA */ - i8257_dma_init(isa_bus, 0); - - /* RTC */ - qdev_prop_set_int32(DEVICE(&s->rtc), "base_year", 2000); - if (!qdev_realize(DEVICE(&s->rtc), BUS(isa_bus), errp)) { - return; - } - s->rtc.irq = isa_get_irq(ISA_DEVICE(&s->rtc), s->rtc.isairq); - - /* IDE */ - qdev_prop_set_int32(DEVICE(&s->ide), "addr", dev->devfn + 1); - if (!qdev_realize(DEVICE(&s->ide), BUS(pci_bus), errp)) { - return; - } - - /* USB */ - qdev_prop_set_int32(DEVICE(&s->uhci), "addr", dev->devfn + 2); - if (!qdev_realize(DEVICE(&s->uhci), BUS(pci_bus), errp)) { - return; - } - - /* ACPI controller */ - qdev_prop_set_int32(DEVICE(&s->pm), "addr", dev->devfn + 3); - if (!qdev_realize(DEVICE(&s->pm), BUS(pci_bus), errp)) { - return; - } - qdev_connect_gpio_out(DEVICE(&s->pm), 0, s->isa_irqs_in[9]); - - pci_bus_irqs(pci_bus, piix4_set_irq, s, PIIX_NUM_PIRQS); -} - -static void piix4_init(Object *obj) -{ - PIIX4State *s = PIIX4_PCI_DEVICE(obj); - - object_initialize_child(obj, "rtc", &s->rtc, TYPE_MC146818_RTC); - object_initialize_child(obj, "ide", &s->ide, TYPE_PIIX4_IDE); - object_initialize_child(obj, "uhci", &s->uhci, TYPE_PIIX4_USB_UHCI); - - object_initialize_child(obj, "pm", &s->pm, TYPE_PIIX4_PM); - qdev_prop_set_uint32(DEVICE(&s->pm), "smb_io_base", 0x1100); - qdev_prop_set_bit(DEVICE(&s->pm), "smm-enabled", 0); -} - -static void piix4_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); - - k->realize = piix4_realize; - k->vendor_id = PCI_VENDOR_ID_INTEL; - k->device_id = PCI_DEVICE_ID_INTEL_82371AB_0; - k->class_id = PCI_CLASS_BRIDGE_ISA; - dc->reset = piix4_isa_reset; - dc->desc = "ISA bridge"; - dc->vmsd = &vmstate_piix4; - /* - * Reason: part of PIIX4 southbridge, needs to be wired up, - * e.g. by mips_malta_init() - */ - dc->user_creatable = false; - dc->hotpluggable = false; -} - -static const TypeInfo piix4_info = { - .name = TYPE_PIIX4_PCI_DEVICE, - .parent = TYPE_PCI_DEVICE, - .instance_size = sizeof(PIIX4State), - .instance_init = piix4_init, - .class_init = piix4_class_init, - .interfaces = (InterfaceInfo[]) { - { INTERFACE_CONVENTIONAL_PCI_DEVICE }, - { }, - }, -}; - -static void piix4_register_types(void) -{ - type_register_static(&piix4_info); -} - -type_init(piix4_register_types) |