static struct amba_device *
amba_aphb_device_add(struct device *parent, const char *name,
resource_size_t base, size_t size, int irq1, int irq2,
void *pdata, unsigned int periphid, u64 dma_mask)
{
struct amba_device *dev;
int ret;
dev = amba_device_alloc(name, base, size);
if (!dev)
return ERR_PTR(-ENOMEM);
dev->dma_mask = dma_mask;
dev->dev.coherent_dma_mask = dma_mask;
dev->irq[0] = irq1;
dev->irq[1] = irq2;
dev->periphid = periphid;
dev->dev.platform_data = pdata;
dev->dev.parent = parent;
ret = amba_device_add(dev, &iomem_resource);
if (ret) {
amba_device_put(dev);
return ERR_PTR(ret);
}
return dev;
}
/**
* amba_device_register - register an AMBA device
* @dev: AMBA device to register
* @parent: parent memory resource
*
* Setup the AMBA device, reading the cell ID if present.
* Claim the resource, and register the AMBA device with
* the Linux device manager.
*/
int amba_device_register(struct amba_device *dev, struct resource *parent)
{
amba_device_initialize(dev, dev->dev.init_name);
dev->dev.init_name = NULL;
return amba_device_add(dev, parent);
}
static struct amba_device *of_amba_device_create(struct device_node *node,
const char *bus_id,
void *platform_data,
struct device *parent)
{
struct amba_device *dev;
const void *prop;
int i, ret;
pr_debug("Creating amba device %s\n", node->full_name);
if (!of_device_is_available(node))
return NULL;
dev = amba_device_alloc(NULL, 0, 0);
if (!dev) {
pr_err("%s(): amba_device_alloc() failed for %s\n",
__func__, node->full_name);
return NULL;
}
/* setup generic device info */
dev->dev.coherent_dma_mask = ~0;
dev->dev.of_node = of_node_get(node);
dev->dev.parent = parent;
dev->dev.platform_data = platform_data;
if (bus_id)
dev_set_name(&dev->dev, "%s", bus_id);
else
of_device_make_bus_id(&dev->dev);
/* Allow the HW Peripheral ID to be overridden */
prop = of_get_property(node, "arm,primecell-periphid", NULL);
if (prop)
dev->periphid = of_read_ulong(prop, 1);
/* Decode the IRQs and address ranges */
for (i = 0; i < AMBA_NR_IRQS; i++)
dev->irq[i] = irq_of_parse_and_map(node, i);
ret = of_address_to_resource(node, 0, &dev->res);
if (ret) {
pr_err("%s(): of_address_to_resource() failed (%d) for %s\n",
__func__, ret, node->full_name);
goto err_free;
}
ret = amba_device_add(dev, &iomem_resource);
if (ret) {
pr_err("%s(): amba_device_add() failed (%d) for %s\n",
__func__, ret, node->full_name);
goto err_free;
}
return dev;
err_free:
amba_device_put(dev);
return NULL;
}
/**
* amba_device_register - register an AMBA device
* @dev: AMBA device to register
* @parent: parent memory resource
*
* Setup the AMBA device, reading the cell ID if present.
* Claim the resource, and register the AMBA device with
* the Linux device manager.
*/
int amba_device_register(struct amba_device *dev, struct resource *parent)
{
amba_device_initialize(dev, dev->dev.init_name);
dev->dev.init_name = NULL;
if (!dev->dev.coherent_dma_mask && dev->dma_mask)
dev_warn(&dev->dev, "coherent dma mask is unset\n");
return amba_device_add(dev, parent);
}
static struct amba_device *of_amba_device_create(struct device_node *node,
const char *bus_id,
void *platform_data,
struct device *parent)
{
struct amba_device *dev;
const void *prop;
int i, ret;
pr_debug("Creating amba device %s\n", node->full_name);
if (!of_device_is_available(node))
return NULL;
dev = amba_device_alloc(NULL, 0, 0);
if (!dev)
return NULL;
dev->dev.coherent_dma_mask = ~0;
dev->dev.of_node = of_node_get(node);
dev->dev.parent = parent;
dev->dev.platform_data = platform_data;
if (bus_id)
dev_set_name(&dev->dev, "%s", bus_id);
else
of_device_make_bus_id(&dev->dev);
dev->dma_mask = ~0;
prop = of_get_property(node, "arm,primecell-periphid", NULL);
if (prop)
dev->periphid = of_read_ulong(prop, 1);
for (i = 0; i < AMBA_NR_IRQS; i++)
dev->irq[i] = irq_of_parse_and_map(node, i);
ret = of_address_to_resource(node, 0, &dev->res);
if (ret)
goto err_free;
ret = amba_device_add(dev, &iomem_resource);
if (ret)
goto err_free;
return dev;
err_free:
amba_device_put(dev);
return NULL;
}
int __init mxs_add_amba_device(const struct amba_device *dev)
{
struct amba_device *adev = amba_device_alloc(dev->dev.init_name,
dev->res.start, resource_size(&dev->res));
if (!adev) {
pr_err("%s: failed to allocate memory", __func__);
return -ENOMEM;
}
adev->irq[0] = dev->irq[0];
adev->irq[1] = dev->irq[1];
return amba_device_add(adev, &iomem_resource);
}
static struct device_d *of_amba_device_create(struct device_node *np)
{
struct amba_device *dev;
int ret;
debug("Creating amba device %s\n", np->full_name);
if (!of_device_is_available(np))
return NULL;
dev = xzalloc(sizeof(*dev));
/* setup generic device info */
dev->dev.id = DEVICE_ID_SINGLE;
dev->dev.device_node = np;
of_device_make_bus_id(&dev->dev);
ret = of_address_to_resource(np, 0, &dev->res);
if (ret)
goto amba_err_free;
dev->dev.resource = &dev->res;
dev->dev.num_resources = 1;
/* Allow the HW Peripheral ID to be overridden */
of_property_read_u32(np, "arm,primecell-periphid", &dev->periphid);
debug("register device 0x%08x\n", dev->dev.resource[0].start);
ret = amba_device_add(dev);
if (ret)
goto amba_err_free;
return &dev->dev;
amba_err_free:
free(dev);
return NULL;
}