/* Create a RAM device */
struct vdevice *dev_create_ram (vm_instance_t * vm, char *name, m_pa_t paddr,
m_uint32_t len)
{
struct vdevice *dev;
if (!(dev = dev_create (name)))
return NULL;
dev->phys_addr = paddr;
dev->phys_len = len;
//dev->flags = VDEVICE_FLAG_CACHING;
dev->host_addr = (m_iptr_t) m_memalign (4096, dev->phys_len);
if (!dev->host_addr) {
free (dev);
return NULL;
}
vm_bind_device (vm, dev);
return dev;
}
/* Create a new chunk */
static vm_chunk_t *vm_chunk_create(vm_instance_t *vm)
{
vm_chunk_t *chunk;
size_t area_len;
if (!(chunk = malloc(sizeof(*chunk))))
return NULL;
area_len = VM_CHUNK_AREA_SIZE * VM_PAGE_SIZE;
if (!(chunk->area = m_memalign(VM_PAGE_SIZE,area_len))) {
free(chunk);
return NULL;
}
chunk->page_alloc = 0;
chunk->page_total = VM_CHUNK_AREA_SIZE;
chunk->next = vm->chunks;
vm->chunks = chunk;
return chunk;
}
/* Create a new MV64460 controller */
int dev_mv64460_init(vm_instance_t *vm,char *name,
m_uint64_t paddr,m_uint32_t len)
{
struct mv64460_data *d;
int i;
if (!(d = malloc(sizeof(*d)))) {
fprintf(stderr,"mv64460: unable to create device data.\n");
return(-1);
}
memset(d,0,sizeof(*d));
pthread_mutex_init(&d->lock,NULL);
d->name = name;
d->vm = vm;
d->bus[0] = vm->pci_bus[0];
d->bus[1] = vm->pci_bus[1];
for(i=0;i<MV64460_SDMA_CHANNELS;i++)
d->sdma[i].id = i;
vm_object_init(&d->vm_obj);
d->vm_obj.name = name;
d->vm_obj.data = d;
d->vm_obj.shutdown = (vm_shutdown_t)dev_mv64460_shutdown;
dev_init(&d->dev);
d->dev.name = name;
d->dev.priv_data = d;
d->dev.phys_addr = paddr;
d->dev.phys_len = len;
d->dev.handler = dev_mv64460_access;
/* Create the SRAM device */
dev_init(&d->sram_dev);
d->sram_dev.name = "mv64460_sram";
d->sram_dev.phys_len = MV64460_SRAM_SIZE;
d->sram_dev.flags = VDEVICE_FLAG_CACHING;
d->sram_dev.host_addr = (m_iptr_t)m_memalign(4096,d->sram_dev.phys_len);
if (!d->sram_dev.host_addr) {
fprintf(stderr,"mv64460: unable to create SRAM data.\n");
return(-1);
}
/* Add the controller as a PCI device */
if (!pci_dev_lookup(d->bus[0],0,0,0)) {
d->pci_dev = pci_dev_add(d->bus[0],name,
PCI_VENDOR_MARVELL,PCI_PRODUCT_MARVELL_MV64460,
0,0,-1,d,NULL,pci_mv64460_read,NULL);
if (!d->pci_dev) {
fprintf(stderr,"mv64460: unable to create PCI device.\n");
return(-1);
}
}
/* TEST */
pci_dev_add(d->bus[1],name,
PCI_VENDOR_MARVELL,PCI_PRODUCT_MARVELL_MV64460,
0,0,-1,d,NULL,pci_mv64460_read,NULL);
/* Map this device to the VM */
vm_bind_device(vm,&d->dev);
vm_object_add(vm,&d->vm_obj);
return(0);
}