pxa2xx: convert i2c master to use qdev/vmsd
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
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987e8b3b03
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53
hw/pxa2xx.c
53
hw/pxa2xx.c
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@ -1262,10 +1262,12 @@ typedef struct {
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} PXA2xxI2CSlaveState;
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struct PXA2xxI2CState {
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SysBusDevice busdev;
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PXA2xxI2CSlaveState *slave;
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i2c_bus *bus;
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qemu_irq irq;
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target_phys_addr_t offset;
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uint32_t offset;
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uint32_t region_size;
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uint16_t control;
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uint16_t status;
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@ -1499,27 +1501,42 @@ static I2CSlaveInfo pxa2xx_i2c_slave_info = {
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PXA2xxI2CState *pxa2xx_i2c_init(target_phys_addr_t base,
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qemu_irq irq, uint32_t region_size)
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{
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int iomemtype;
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DeviceState *dev;
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PXA2xxI2CState *s = qemu_mallocz(sizeof(PXA2xxI2CState));
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SysBusDevice *i2c_dev;
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PXA2xxI2CState *s;
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i2c_dev = sysbus_from_qdev(qdev_create(NULL, "pxa2xx_i2c"));
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qdev_prop_set_uint32(&i2c_dev->qdev, "size", region_size + 1);
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qdev_prop_set_uint32(&i2c_dev->qdev, "offset",
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base - (base & (~region_size) & TARGET_PAGE_MASK));
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qdev_init_nofail(&i2c_dev->qdev);
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sysbus_mmio_map(i2c_dev, 0, base & ~region_size);
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sysbus_connect_irq(i2c_dev, 0, irq);
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s = FROM_SYSBUS(PXA2xxI2CState, i2c_dev);
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/* FIXME: Should the slave device really be on a separate bus? */
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dev = i2c_create_slave(i2c_init_bus(NULL, "dummy"), "pxa2xx-i2c-slave", 0);
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s->slave = FROM_I2C_SLAVE(PXA2xxI2CSlaveState, I2C_SLAVE_FROM_QDEV(dev));
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s->slave->host = s;
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s->irq = irq;
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s->bus = i2c_init_bus(NULL, "i2c");
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s->offset = base - (base & (~region_size) & TARGET_PAGE_MASK);
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return s;
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}
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static int pxa2xx_i2c_initfn(SysBusDevice *dev)
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{
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PXA2xxI2CState *s = FROM_SYSBUS(PXA2xxI2CState, dev);
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int iomemtype;
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s->bus = i2c_init_bus(&dev->qdev, "i2c");
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iomemtype = cpu_register_io_memory(pxa2xx_i2c_readfn,
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pxa2xx_i2c_writefn, s, DEVICE_NATIVE_ENDIAN);
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cpu_register_physical_memory(base & ~region_size,
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region_size + 1, iomemtype);
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sysbus_init_mmio(dev, s->region_size, iomemtype);
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sysbus_init_irq(dev, &s->irq);
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vmstate_register(NULL, base, &vmstate_pxa2xx_i2c, s);
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return s;
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return 0;
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}
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i2c_bus *pxa2xx_i2c_bus(PXA2xxI2CState *s)
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@ -1527,6 +1544,19 @@ i2c_bus *pxa2xx_i2c_bus(PXA2xxI2CState *s)
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return s->bus;
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}
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static SysBusDeviceInfo pxa2xx_i2c_info = {
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.init = pxa2xx_i2c_initfn,
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.qdev.name = "pxa2xx_i2c",
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.qdev.desc = "PXA2xx I2C Bus Controller",
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.qdev.size = sizeof(PXA2xxI2CState),
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.qdev.vmsd = &vmstate_pxa2xx_i2c,
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.qdev.props = (Property[]) {
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DEFINE_PROP_UINT32("size", PXA2xxI2CState, region_size, 0x10000),
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DEFINE_PROP_UINT32("offset", PXA2xxI2CState, offset, 0),
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DEFINE_PROP_END_OF_LIST(),
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},
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};
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/* PXA Inter-IC Sound Controller */
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static void pxa2xx_i2s_reset(PXA2xxI2SState *i2s)
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{
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@ -2287,6 +2317,7 @@ static void pxa2xx_register_devices(void)
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{
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i2c_register_slave(&pxa2xx_i2c_slave_info);
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sysbus_register_dev("pxa2xx-ssp", sizeof(PXA2xxSSPState), pxa2xx_ssp_init);
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sysbus_register_withprop(&pxa2xx_i2c_info);
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}
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device_init(pxa2xx_register_devices)
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