Commit 9c16fa79 authored by Alberto Garcia's avatar Alberto Garcia Committed by Anthony Liguori
Browse files

Add TEWS TPCI200 IndustryPack emulation 



The TPCI200 is a PCI board that supports up to 4 IndustryPack modules.

A new bus type called 'IndustryPack' has been created so any
compatible module can be attached to this board.

Reviewed-by: default avatarAndreas Färber <afaerber@suse.de>
Signed-off-by: default avatarAlberto Garcia <agarcia@igalia.com>
Signed-off-by: default avatarAnthony Liguori <aliguori@us.ibm.com>
parent a507db95

default-configs/pci.mak

+1 −0
Original line number Diff line number Diff line
@@ -21,3 +21,4 @@ CONFIG_ESP=y 
CONFIG_ESP_PCI=y

CONFIG_SERIAL=y

CONFIG_SERIAL_PCI=y

CONFIG_IPACK=y

hw/Makefile.objs

+3 −0
Original line number Diff line number Diff line
@@ -106,6 +106,9 @@ common-obj-$(CONFIG_XGMAC) += xgmac.o 
# PCI watchdog devices

common-obj-$(CONFIG_PCI) += wdt_i6300esb.o



# IndustryPack

common-obj-$(CONFIG_IPACK) += tpci200.o ipack.o



# PCI network cards

common-obj-$(CONFIG_NE2000_PCI) += ne2000.o

common-obj-$(CONFIG_EEPRO100_PCI) += eepro100.o

hw/ipack.c

0 → 100644
+115 −0
Original line number Diff line number Diff line 
/*

 * QEMU IndustryPack emulation

 *

 * Copyright (C) 2012 Igalia, S.L.

 * Author: Alberto Garcia <agarcia@igalia.com>

 *

 * This code is licensed under the GNU GPL v2 or (at your option) any

 * later version.

 */



#include "ipack.h"



IPackDevice *ipack_device_find(IPackBus *bus, int32_t slot)

{

    BusChild *kid;



    QTAILQ_FOREACH(kid, &BUS(bus)->children, sibling) {

        DeviceState *qdev = kid->child;

        IPackDevice *ip = IPACK_DEVICE(qdev);

        if (ip->slot == slot) {

            return ip;

        }

    }

    return NULL;

}



void ipack_bus_new_inplace(IPackBus *bus, DeviceState *parent,

                           const char *name, uint8_t n_slots,

                           qemu_irq_handler handler)

{

    qbus_create_inplace(&bus->qbus, TYPE_IPACK_BUS, parent, name);

    bus->n_slots = n_slots;

    bus->set_irq = handler;

}



static int ipack_device_dev_init(DeviceState *qdev)

{

    IPackBus *bus = IPACK_BUS(qdev_get_parent_bus(qdev));

    IPackDevice *dev = IPACK_DEVICE(qdev);

    IPackDeviceClass *k = IPACK_DEVICE_GET_CLASS(dev);



    if (dev->slot < 0) {

        dev->slot = bus->free_slot;

    }

    if (dev->slot >= bus->n_slots) {

        return -1;

    }

    bus->free_slot = dev->slot + 1;



    dev->irq = qemu_allocate_irqs(bus->set_irq, dev, 2);



    return k->init(dev);

}



static int ipack_device_dev_exit(DeviceState *qdev)

{

    IPackDevice *dev = IPACK_DEVICE(qdev);

    IPackDeviceClass *k = IPACK_DEVICE_GET_CLASS(dev);



    if (k->exit) {

        k->exit(dev);

    }



    qemu_free_irqs(dev->irq);



    return 0;

}



static Property ipack_device_props[] = {

    DEFINE_PROP_INT32("slot", IPackDevice, slot, -1),

    DEFINE_PROP_END_OF_LIST()

};



static void ipack_device_class_init(ObjectClass *klass, void *data)

{

    DeviceClass *k = DEVICE_CLASS(klass);

    k->bus_type = TYPE_IPACK_BUS;

    k->init = ipack_device_dev_init;

    k->exit = ipack_device_dev_exit;

    k->props = ipack_device_props;

}



const VMStateDescription vmstate_ipack_device = {

    .name = "ipack_device",

    .version_id = 1,

    .minimum_version_id = 1,

    .minimum_version_id_old = 1,

    .fields      = (VMStateField[]) {

        VMSTATE_INT32(slot, IPackDevice),

        VMSTATE_END_OF_LIST()

    }

};



static const TypeInfo ipack_device_info = {

    .name          = TYPE_IPACK_DEVICE,

    .parent        = TYPE_DEVICE,

    .instance_size = sizeof(IPackDevice),

    .class_size    = sizeof(IPackDeviceClass),

    .class_init    = ipack_device_class_init,

    .abstract      = true,

};



static const TypeInfo ipack_bus_info = {

    .name = TYPE_IPACK_BUS,

    .parent = TYPE_BUS,

    .instance_size = sizeof(IPackBus),

};



static void ipack_register_types(void)

{

    type_register_static(&ipack_device_info);

    type_register_static(&ipack_bus_info);

}



type_init(ipack_register_types)

hw/ipack.h

0 → 100644
+79 −0
Original line number Diff line number Diff line 
/*

 * QEMU IndustryPack emulation

 *

 * Copyright (C) 2012 Igalia, S.L.

 * Author: Alberto Garcia <agarcia@igalia.com>

 *

 * This code is licensed under the GNU GPL v2 or (at your option) any

 * later version.

 */



#ifndef QEMU_IPACK_H

#define QEMU_IPACK_H



#include "qdev.h"



typedef struct IPackBus IPackBus;



#define TYPE_IPACK_BUS "IndustryPack"

#define IPACK_BUS(obj) OBJECT_CHECK(IPackBus, (obj), TYPE_IPACK_BUS)



struct IPackBus {

    BusState qbus;

    /* All fields are private */

    uint8_t n_slots;

    uint8_t free_slot;

    qemu_irq_handler set_irq;

};



typedef struct IPackDevice IPackDevice;

typedef struct IPackDeviceClass IPackDeviceClass;



#define TYPE_IPACK_DEVICE "ipack-device"

#define IPACK_DEVICE(obj) \

     OBJECT_CHECK(IPackDevice, (obj), TYPE_IPACK_DEVICE)

#define IPACK_DEVICE_CLASS(klass)                                        \

     OBJECT_CLASS_CHECK(IPackDeviceClass, (klass), TYPE_IPACK_DEVICE)

#define IPACK_DEVICE_GET_CLASS(obj) \

     OBJECT_GET_CLASS(IPackDeviceClass, (obj), TYPE_IPACK_DEVICE)



struct IPackDeviceClass {

    DeviceClass parent_class;



    int (*init)(IPackDevice *dev);

    int (*exit)(IPackDevice *dev);



    uint16_t (*io_read)(IPackDevice *dev, uint8_t addr);

    void (*io_write)(IPackDevice *dev, uint8_t addr, uint16_t val);



    uint16_t (*id_read)(IPackDevice *dev, uint8_t addr);

    void (*id_write)(IPackDevice *dev, uint8_t addr, uint16_t val);



    uint16_t (*int_read)(IPackDevice *dev, uint8_t addr);

    void (*int_write)(IPackDevice *dev, uint8_t addr, uint16_t val);



    uint16_t (*mem_read16)(IPackDevice *dev, uint32_t addr);

    void (*mem_write16)(IPackDevice *dev, uint32_t addr, uint16_t val);



    uint8_t (*mem_read8)(IPackDevice *dev, uint32_t addr);

    void (*mem_write8)(IPackDevice *dev, uint32_t addr, uint8_t val);

};



struct IPackDevice {

    DeviceState qdev;

    int32_t slot;

    /* IRQ objects for the IndustryPack INT0# and INT1# */

    qemu_irq *irq;

};



extern const VMStateDescription vmstate_ipack_device;



#define VMSTATE_IPACK_DEVICE(_field, _state)                            \

    VMSTATE_STRUCT(_field, _state, 1, vmstate_ipack_device, IPackDevice)



IPackDevice *ipack_device_find(IPackBus *bus, int32_t slot);

void ipack_bus_new_inplace(IPackBus *bus, DeviceState *parent,

                           const char *name, uint8_t n_slots,

                           qemu_irq_handler handler);



#endif

hw/pci/pci_ids.h

+3 −0
Original line number Diff line number Diff line
@@ -148,4 +148,7 @@ 
#define PCI_VENDOR_ID_NEC                0x1033

#define PCI_DEVICE_ID_NEC_UPD720200      0x0194



#define PCI_VENDOR_ID_TEWS               0x1498

#define PCI_DEVICE_ID_TEWS_TPCI200       0x30C8



#endif