#define PXA2XX_DMA_NUM_REQUESTS 75
typedef struct {
- target_phys_addr_t descr;
- target_phys_addr_t src;
- target_phys_addr_t dest;
+ uint32_t descr;
+ uint32_t src;
+ uint32_t dest;
uint32_t cmd;
uint32_t state;
int request;
typedef struct PXA2xxDMAState {
SysBusDevice busdev;
+ MemoryRegion iomem;
qemu_irq irq;
uint32_t stopintr;
}
}
-static uint32_t pxa2xx_dma_read(void *opaque, target_phys_addr_t offset)
+static uint64_t pxa2xx_dma_read(void *opaque, target_phys_addr_t offset,
+ unsigned size)
{
PXA2xxDMAState *s = (PXA2xxDMAState *) opaque;
unsigned int channel;
+ if (size != 4) {
+ hw_error("%s: Bad access width\n", __FUNCTION__);
+ return 5;
+ }
+
switch (offset) {
case DRCMR64 ... DRCMR74:
offset -= DRCMR64 - DRCMR0 - (64 << 2);
return 7;
}
-static void pxa2xx_dma_write(void *opaque,
- target_phys_addr_t offset, uint32_t value)
+static void pxa2xx_dma_write(void *opaque, target_phys_addr_t offset,
+ uint64_t value, unsigned size)
{
PXA2xxDMAState *s = (PXA2xxDMAState *) opaque;
unsigned int channel;
+ if (size != 4) {
+ hw_error("%s: Bad access width\n", __FUNCTION__);
+ return;
+ }
+
switch (offset) {
case DRCMR64 ... DRCMR74:
offset -= DRCMR64 - DRCMR0 - (64 << 2);
if (value & DRCMR_MAPVLD)
if ((value & DRCMR_CHLNUM) > s->channels)
hw_error("%s: Bad DMA channel %i\n",
- __FUNCTION__, value & DRCMR_CHLNUM);
+ __FUNCTION__, (unsigned)value & DRCMR_CHLNUM);
s->req[channel] = value;
break;
}
}
-static uint32_t pxa2xx_dma_readbad(void *opaque, target_phys_addr_t offset)
-{
- hw_error("%s: Bad access width\n", __FUNCTION__);
- return 5;
-}
-
-static void pxa2xx_dma_writebad(void *opaque,
- target_phys_addr_t offset, uint32_t value)
-{
- hw_error("%s: Bad access width\n", __FUNCTION__);
-}
-
-static CPUReadMemoryFunc * const pxa2xx_dma_readfn[] = {
- pxa2xx_dma_readbad,
- pxa2xx_dma_readbad,
- pxa2xx_dma_read
-};
-
-static CPUWriteMemoryFunc * const pxa2xx_dma_writefn[] = {
- pxa2xx_dma_writebad,
- pxa2xx_dma_writebad,
- pxa2xx_dma_write
+static const MemoryRegionOps pxa2xx_dma_ops = {
+ .read = pxa2xx_dma_read,
+ .write = pxa2xx_dma_write,
+ .endianness = DEVICE_NATIVE_ENDIAN,
};
static void pxa2xx_dma_request(void *opaque, int req_num, int on)
static int pxa2xx_dma_init(SysBusDevice *dev)
{
- int i, iomemtype;
+ int i;
PXA2xxDMAState *s;
s = FROM_SYSBUS(PXA2xxDMAState, dev);
return -1;
}
- s->chan = qemu_mallocz(sizeof(PXA2xxDMAChannel) * s->channels);
+ s->chan = g_malloc0(sizeof(PXA2xxDMAChannel) * s->channels);
memset(s->chan, 0, sizeof(PXA2xxDMAChannel) * s->channels);
for (i = 0; i < s->channels; i ++)
qdev_init_gpio_in(&dev->qdev, pxa2xx_dma_request, PXA2XX_DMA_NUM_REQUESTS);
- iomemtype = cpu_register_io_memory(pxa2xx_dma_readfn,
- pxa2xx_dma_writefn, s, DEVICE_NATIVE_ENDIAN);
- sysbus_init_mmio(dev, 0x00010000, iomemtype);
+ memory_region_init_io(&s->iomem, &pxa2xx_dma_ops, s,
+ "pxa2xx.dma", 0x00010000);
+ sysbus_init_mmio(dev, &s->iomem);
sysbus_init_irq(dev, &s->irq);
return 0;
.minimum_version_id = 1,
.minimum_version_id_old = 1,
.fields = (VMStateField[]) {
- VMSTATE_UINTTL(descr, PXA2xxDMAChannel),
- VMSTATE_UINTTL(src, PXA2xxDMAChannel),
- VMSTATE_UINTTL(dest, PXA2xxDMAChannel),
+ VMSTATE_UINT32(descr, PXA2xxDMAChannel),
+ VMSTATE_UINT32(src, PXA2xxDMAChannel),
+ VMSTATE_UINT32(dest, PXA2xxDMAChannel),
VMSTATE_UINT32(cmd, PXA2xxDMAChannel),
VMSTATE_UINT32(state, PXA2xxDMAChannel),
VMSTATE_INT32(request, PXA2xxDMAChannel),
},
};
-static SysBusDeviceInfo pxa2xx_dma_info = {
- .init = pxa2xx_dma_init,
- .qdev.name = "pxa2xx-dma",
- .qdev.desc = "PXA2xx DMA controller",
- .qdev.size = sizeof(PXA2xxDMAState),
- .qdev.vmsd = &vmstate_pxa2xx_dma,
- .qdev.props = (Property[]) {
- DEFINE_PROP_INT32("channels", PXA2xxDMAState, channels, -1),
- DEFINE_PROP_END_OF_LIST(),
- },
+static Property pxa2xx_dma_properties[] = {
+ DEFINE_PROP_INT32("channels", PXA2xxDMAState, channels, -1),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static void pxa2xx_dma_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
+
+ k->init = pxa2xx_dma_init;
+ dc->desc = "PXA2xx DMA controller";
+ dc->vmsd = &vmstate_pxa2xx_dma;
+ dc->props = pxa2xx_dma_properties;
+}
+
+static TypeInfo pxa2xx_dma_info = {
+ .name = "pxa2xx-dma",
+ .parent = TYPE_SYS_BUS_DEVICE,
+ .instance_size = sizeof(PXA2xxDMAState),
+ .class_init = pxa2xx_dma_class_init,
};
-static void pxa2xx_dma_register(void)
+static void pxa2xx_dma_register_types(void)
{
- sysbus_register_withprop(&pxa2xx_dma_info);
+ type_register_static(&pxa2xx_dma_info);
}
-device_init(pxa2xx_dma_register);
+
+type_init(pxa2xx_dma_register_types)