Ejemplo n.º 1
0
void __init fill_ebus_device(int node, struct linux_ebus_device *dev)
{
	struct linux_prom_registers regs[PROMREG_MAX];
	struct linux_ebus_child *child;
	int irqs[PROMINTR_MAX];
	int i, n, len;

	dev->prom_node = node;
	prom_getstring(node, "name", dev->prom_name, sizeof(dev->prom_name));
	printk(" [%s", dev->prom_name);

	len = prom_getproperty(node, "reg", (void *)regs, sizeof(regs));
	if (len % sizeof(struct linux_prom_registers)) {
		prom_printf("UGH: proplen for %s was %d, need multiple of %d\n",
			    dev->prom_name, len,
			    (int)sizeof(struct linux_prom_registers));
		prom_halt();
	}
	dev->num_addrs = len / sizeof(struct linux_prom_registers);

	for (i = 0; i < dev->num_addrs; i++) {
		n = (regs[i].which_io - 0x10) >> 2;

		dev->resource[i].start  = dev->bus->self->resource[n].start;
		dev->resource[i].start += (unsigned long)regs[i].phys_addr;
		dev->resource[i].end    =
			(dev->resource[i].start + (unsigned long)regs[i].reg_size - 1UL);
		dev->resource[i].flags  = IORESOURCE_MEM;
		dev->resource[i].name   = dev->prom_name;
		request_resource(&dev->bus->self->resource[n],
				 &dev->resource[i]);
	}

	len = prom_getproperty(node, "interrupts", (char *)&irqs, sizeof(irqs));
	if ((len == -1) || (len == 0)) {
		dev->num_irqs = 0;
	} else {
		dev->num_irqs = len / sizeof(irqs[0]);
		for (i = 0; i < dev->num_irqs; i++) {
			struct pci_pbm_info *pbm = dev->bus->parent;
			struct pci_controller_info *p = pbm->parent;

			if (ebus_intmap_match(dev->bus, &regs[0], &irqs[i]) != -1) {
				dev->irqs[i] = p->irq_build(p,
							    dev->bus->self,
							    irqs[i]);
			} else {
				/* If we get a bogus interrupt property, just
				 * record the raw value instead of punting.
				 */
				dev->irqs[i] = irqs[i];
			}
		}
	}

	if ((node = prom_getchild(node))) {
		printk(" ->");
		dev->children = ebus_alloc(sizeof(struct linux_ebus_child));

		child = dev->children;
		child->next = 0;
		child->parent = dev;
		child->bus = dev->bus;
		fill_ebus_child(node, &regs[0],
				child, child_regs_nonstandard(dev));

		while ((node = prom_getsibling(node))) {
			child->next = ebus_alloc(sizeof(struct linux_ebus_child));

			child = child->next;
			child->next = 0;
			child->parent = dev;
			child->bus = dev->bus;
			fill_ebus_child(node, &regs[0],
					child, child_regs_nonstandard(dev));
		}
	}
	printk("]");
}
Ejemplo n.º 2
0
__initfunc(void fill_ebus_device(int node, struct linux_ebus_device *dev))
{
    struct linux_prom_registers regs[PROMREG_MAX];
    struct linux_ebus_child *child;
    int irqs[PROMINTR_MAX];
    char lbuf[128];
    int i, n, len;

    dev->prom_node = node;
    prom_getstring(node, "name", lbuf, sizeof(lbuf));
    strcpy(dev->prom_name, lbuf);

    len = prom_getproperty(node, "reg", (void *)regs, sizeof(regs));
    if (len % sizeof(struct linux_prom_registers)) {
        prom_printf("UGH: proplen for %s was %d, need multiple of %d\n",
                    dev->prom_name, len,
                    (int)sizeof(struct linux_prom_registers));
        panic(__FUNCTION__);
    }
    dev->num_addrs = len / sizeof(struct linux_prom_registers);

    for (i = 0; i < dev->num_addrs; i++) {
        n = (regs[i].which_io - 0x10) >> 2;

        dev->base_address[i] = dev->bus->self->base_address[n];
        dev->base_address[i] += (unsigned long)regs[i].phys_addr;
    }

    len = prom_getproperty(node, "interrupts", (char *)&irqs, sizeof(irqs));
    if ((len == -1) || (len == 0)) {
        dev->num_irqs = 0;
    } else {
        dev->num_irqs = len / sizeof(irqs[0]);
        for (i = 0; i < dev->num_irqs; i++) {
            ebus_intmap_match(dev->bus, &regs[0], &irqs[i]);
            dev->irqs[i] = psycho_irq_build(dev->bus->parent,
                                            dev->bus->self, irqs[i]);
        }
    }

#ifdef DEBUG_FILL_EBUS_DEV
    dprintf("'%s': address%s\n", dev->prom_name,
            dev->num_addrs > 1 ? "es" : "");
    for (i = 0; i < dev->num_addrs; i++)
        dprintf("  %016lx\n", dev->base_address[i]);
    if (dev->num_irqs) {
        dprintf("  IRQ%s", dev->num_irqs > 1 ? "s" : "");
        for (i = 0; i < dev->num_irqs; i++)
            dprintf(" %s", __irq_itoa(dev->irqs[i]));
        dprintf("\n");
    }
#endif
    if ((node = prom_getchild(node))) {
        dev->children = (struct linux_ebus_child *)
                        ebus_alloc(sizeof(struct linux_ebus_child));

        child = dev->children;
        child->next = 0;
        child->parent = dev;
        child->bus = dev->bus;
        fill_ebus_child(node, &regs[0], child);

        while ((node = prom_getsibling(node))) {
            child->next = (struct linux_ebus_child *)
                          ebus_alloc(sizeof(struct linux_ebus_child));

            child = child->next;
            child->next = 0;
            child->parent = dev;
            child->bus = dev->bus;
            fill_ebus_child(node, &regs[0], child);
        }
    }
}
Ejemplo n.º 3
0
static void __init fill_ebus_device(struct device_node *dp, struct linux_ebus_device *dev)
{
	struct linux_ebus_child *child;
	struct of_device *op;
	int i, len;

	dev->prom_node = dp;

	printk(" [%s", dp->name);

	op = of_find_device_by_node(dp);
	if (!op) {
		dev->num_addrs = 0;
		dev->num_irqs = 0;
	} else {
		(void) of_get_property(dp, "reg", &len);
		dev->num_addrs = len / sizeof(struct linux_prom_registers);

		for (i = 0; i < dev->num_addrs; i++)
			memcpy(&dev->resource[i],
			       &op->resource[i],
			       sizeof(struct resource));

		dev->num_irqs = op->num_irqs;
		for (i = 0; i < dev->num_irqs; i++)
			dev->irqs[i] = op->irqs[i];
	}

	dev->ofdev.node = dp;
	dev->ofdev.dev.parent = &dev->bus->ofdev.dev;
	dev->ofdev.dev.bus = &ebus_bus_type;
	sprintf(dev->ofdev.dev.bus_id, "ebus[%08x]", dp->node);

	/* Register with core */
	if (of_device_register(&dev->ofdev) != 0)
		printk(KERN_DEBUG "ebus: device registration error for %s!\n",
		       dp->path_component_name);

	dp = dp->child;
	if (dp) {
		printk(" ->");
		dev->children = ebus_alloc(sizeof(struct linux_ebus_child));

		child = dev->children;
		child->next = NULL;
		child->parent = dev;
		child->bus = dev->bus;
		fill_ebus_child(dp, child,
				child_regs_nonstandard(dev));

		while ((dp = dp->sibling) != NULL) {
			child->next = ebus_alloc(sizeof(struct linux_ebus_child));

			child = child->next;
			child->next = NULL;
			child->parent = dev;
			child->bus = dev->bus;
			fill_ebus_child(dp, child,
					child_regs_nonstandard(dev));
		}
	}
	printk("]");
}