Пример #1
0
static int
nexus_activate_resource(device_t bus, device_t child, int type, int rid,
    struct resource *r)
{
	void *vaddr;
	vm_paddr_t paddr;
	vm_size_t psize;
	int err;

	/*
	 * If this is a memory resource, use pmap_mapdev to map it.
	 */
	if (type == SYS_RES_MEMORY || type == SYS_RES_IOPORT) {
		paddr = rman_get_start(r);
		psize = rman_get_size(r);
		rman_set_bustag(r, mips_bus_space_generic);
		err = bus_space_map(rman_get_bustag(r), paddr, psize, 0,
		    (bus_space_handle_t *)&vaddr);
		if (err != 0) {
			rman_deactivate_resource(r);
			return (err);
		}
		rman_set_virtual(r, vaddr);
		rman_set_bushandle(r, (bus_space_handle_t)(uintptr_t)vaddr);
	} else if (type == SYS_RES_IRQ) {
#ifdef INTRNG
		intr_activate_irq(child, r);
#endif
	}

	return (rman_activate_resource(r));
}
Пример #2
0
static int
nexus_activate_resource(device_t bus, device_t child, int type, int rid,
    struct resource *r)
{
	int err;
	bus_addr_t paddr;
	bus_size_t psize;
	bus_space_handle_t vaddr;

	if ((err = rman_activate_resource(r)) != 0)
		return (err);

	/*
	 * If this is a memory resource, map it into the kernel.
	 */
	if (type == SYS_RES_MEMORY || type == SYS_RES_IOPORT) {
		paddr = (bus_addr_t)rman_get_start(r);
		psize = (bus_size_t)rman_get_size(r);
		err = bus_space_map(&memmap_bus, paddr, psize, 0, &vaddr);
		if (err != 0) {
			rman_deactivate_resource(r);
			return (err);
		}
		rman_set_bustag(r, &memmap_bus);
		rman_set_virtual(r, (void *)vaddr);
		rman_set_bushandle(r, vaddr);
	} else if (type == SYS_RES_IRQ) {
		intr_activate_irq(child, r);
	}
	return (0);
}
Пример #3
0
static int
nexus_activate_resource(device_t bus, device_t child, int type, int rid,
    struct resource *r)
{
	int err;
	bus_addr_t paddr;
	bus_size_t psize;
	bus_space_handle_t vaddr;

	if ((err = rman_activate_resource(r)) != 0)
		return (err);

	/*
	 * If this is a memory resource, map it into the kernel.
	 */
	if (type == SYS_RES_MEMORY || type == SYS_RES_IOPORT) {
		paddr = (bus_addr_t)rman_get_start(r);
		psize = (bus_size_t)rman_get_size(r);
#ifdef FDT
		err = bus_space_map(fdtbus_bs_tag, paddr, psize, 0, &vaddr);
		if (err != 0) {
			rman_deactivate_resource(r);
			return (err);
		}
		rman_set_bustag(r, fdtbus_bs_tag);
#else
		vaddr = (bus_space_handle_t)pmap_mapdev((vm_offset_t)paddr,
		    (vm_size_t)psize);
		if (vaddr == 0) {
			rman_deactivate_resource(r);
			return (ENOMEM);
		}
		rman_set_bustag(r, (void *)1);
#endif
		rman_set_virtual(r, (void *)vaddr);
		rman_set_bushandle(r, vaddr);
		return (0);
	} else if (type == SYS_RES_IRQ) {
#ifdef INTRNG
		err = intr_activate_irq(child, r);
		if (err != 0) {
			rman_deactivate_resource(r);
			return (err);
		}
#endif
	}
	return (0);
}