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pxa2xx: convert i2c master to use qdev/vmsd

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Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
This commit is contained in:
Dmitry Eremin-Solenikov 2011-02-11 23:57:39 +03:00 committed by Andrzej Zaborowski
parent 987e8b3b03
commit c8ba63f829
1 changed files with 42 additions and 11 deletions
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53
hw/pxa2xx.c
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@ -1262,10 +1262,12 @@ typedef struct {
} PXA2xxI2CSlaveState;
struct PXA2xxI2CState {
SysBusDevice busdev;
PXA2xxI2CSlaveState *slave;
i2c_bus *bus;
qemu_irq irq;
target_phys_addr_t offset;
uint32_t offset;
uint32_t region_size;
uint16_t control;
uint16_t status;
@ -1499,27 +1501,42 @@ static I2CSlaveInfo pxa2xx_i2c_slave_info = {
PXA2xxI2CState *pxa2xx_i2c_init(target_phys_addr_t base,
qemu_irq irq, uint32_t region_size)
{
int iomemtype;
DeviceState *dev;
PXA2xxI2CState *s = qemu_mallocz(sizeof(PXA2xxI2CState));
SysBusDevice *i2c_dev;
PXA2xxI2CState *s;
i2c_dev = sysbus_from_qdev(qdev_create(NULL, "pxa2xx_i2c"));
qdev_prop_set_uint32(&i2c_dev->qdev, "size", region_size + 1);
qdev_prop_set_uint32(&i2c_dev->qdev, "offset",
base - (base & (~region_size) & TARGET_PAGE_MASK));
qdev_init_nofail(&i2c_dev->qdev);
sysbus_mmio_map(i2c_dev, 0, base & ~region_size);
sysbus_connect_irq(i2c_dev, 0, irq);
s = FROM_SYSBUS(PXA2xxI2CState, i2c_dev);
/* FIXME: Should the slave device really be on a separate bus? */
dev = i2c_create_slave(i2c_init_bus(NULL, "dummy"), "pxa2xx-i2c-slave", 0);
s->slave = FROM_I2C_SLAVE(PXA2xxI2CSlaveState, I2C_SLAVE_FROM_QDEV(dev));
s->slave->host = s;
s->irq = irq;
s->bus = i2c_init_bus(NULL, "i2c");
s->offset = base - (base & (~region_size) & TARGET_PAGE_MASK);
return s;
}
static int pxa2xx_i2c_initfn(SysBusDevice *dev)
{
PXA2xxI2CState *s = FROM_SYSBUS(PXA2xxI2CState, dev);
int iomemtype;
s->bus = i2c_init_bus(&dev->qdev, "i2c");
iomemtype = cpu_register_io_memory(pxa2xx_i2c_readfn,
pxa2xx_i2c_writefn, s, DEVICE_NATIVE_ENDIAN);
cpu_register_physical_memory(base & ~region_size,
region_size + 1, iomemtype);
sysbus_init_mmio(dev, s->region_size, iomemtype);
sysbus_init_irq(dev, &s->irq);
vmstate_register(NULL, base, &vmstate_pxa2xx_i2c, s);
return s;
return 0;
}
i2c_bus *pxa2xx_i2c_bus(PXA2xxI2CState *s)
@ -1527,6 +1544,19 @@ i2c_bus *pxa2xx_i2c_bus(PXA2xxI2CState *s)
return s->bus;
}
static SysBusDeviceInfo pxa2xx_i2c_info = {
.init = pxa2xx_i2c_initfn,
.qdev.name = "pxa2xx_i2c",
.qdev.desc = "PXA2xx I2C Bus Controller",
.qdev.size = sizeof(PXA2xxI2CState),
.qdev.vmsd = &vmstate_pxa2xx_i2c,
.qdev.props = (Property[]) {
DEFINE_PROP_UINT32("size", PXA2xxI2CState, region_size, 0x10000),
DEFINE_PROP_UINT32("offset", PXA2xxI2CState, offset, 0),
DEFINE_PROP_END_OF_LIST(),
},
};
/* PXA Inter-IC Sound Controller */
static void pxa2xx_i2s_reset(PXA2xxI2SState *i2s)
{
@ -2287,6 +2317,7 @@ static void pxa2xx_register_devices(void)
{
i2c_register_slave(&pxa2xx_i2c_slave_info);
sysbus_register_dev("pxa2xx-ssp", sizeof(PXA2xxSSPState), pxa2xx_ssp_init);
sysbus_register_withprop(&pxa2xx_i2c_info);
}
device_init(pxa2xx_register_devices)