static int
qman_portals_fdt_attach(device_t dev)
{
struct dpaa_portals_softc *sc;
phandle_t node, child, cpu_node;
vm_paddr_t portal_pa, portal_par_pa;
vm_size_t portal_size;
uint32_t addr, paddr, size;
ihandle_t cpu;
int cpu_num, cpus, intr_rid;
struct dpaa_portals_devinfo di;
struct ofw_bus_devinfo ofw_di = {};
cell_t *range;
int nrange;
int i;
cpus = 0;
sc = device_get_softc(dev);
sc->sc_dev = dev;
node = ofw_bus_get_node(dev);
/* Get this node's range */
get_addr_props(ofw_bus_get_node(device_get_parent(dev)), &paddr, &size);
get_addr_props(node, &addr, &size);
nrange = OF_getencprop_alloc(node, "ranges",
sizeof(*range), (void **)&range);
if (nrange < addr + paddr + size)
return (ENXIO);
portal_pa = portal_par_pa = 0;
portal_size = 0;
for (i = 0; i < addr; i++) {
portal_pa <<= 32;
portal_pa |= range[i];
}
for (; i < paddr + addr; i++) {
portal_par_pa <<= 32;
portal_par_pa |= range[i];
}
portal_pa += portal_par_pa;
for (; i < size + paddr + addr; i++) {
portal_size = (uintmax_t)portal_size << 32;
portal_size |= range[i];
}
OF_prop_free(range);
sc->sc_dp_size = portal_size;
sc->sc_dp_pa = portal_pa;
/* Find portals tied to CPUs */
for (child = OF_child(node); child != 0; child = OF_peer(child)) {
if (cpus >= mp_ncpus)
break;
if (!ofw_bus_node_is_compatible(child, "fsl,qman-portal")) {
continue;
}
/* Checkout related cpu */
if (OF_getprop(child, "cpu-handle", (void *)&cpu,
sizeof(cpu)) <= 0) {
cpu = qman_portal_find_cpu(cpus);
if (cpu <= 0)
continue;
}
/* Acquire cpu number */
cpu_node = OF_instance_to_package(cpu);
if (OF_getencprop(cpu_node, "reg", &cpu_num, sizeof(cpu_num)) <= 0) {
device_printf(dev, "Could not retrieve CPU number.\n");
return (ENXIO);
}
cpus++;
if (ofw_bus_gen_setup_devinfo(&ofw_di, child) != 0) {
device_printf(dev, "could not set up devinfo\n");
continue;
}
resource_list_init(&di.di_res);
if (ofw_bus_reg_to_rl(dev, child, addr, size, &di.di_res)) {
device_printf(dev, "%s: could not process 'reg' "
"property\n", ofw_di.obd_name);
ofw_bus_gen_destroy_devinfo(&ofw_di);
continue;
}
if (ofw_bus_intr_to_rl(dev, child, &di.di_res, &intr_rid)) {
device_printf(dev, "%s: could not process "
"'interrupts' property\n", ofw_di.obd_name);
resource_list_free(&di.di_res);
ofw_bus_gen_destroy_devinfo(&ofw_di);
continue;
}
di.di_intr_rid = intr_rid;
if (dpaa_portal_alloc_res(dev, &di, cpu_num))
goto err;
}
ofw_bus_gen_destroy_devinfo(&ofw_di);
return (qman_portals_attach(dev));
err:
resource_list_free(&di.di_res);
ofw_bus_gen_destroy_devinfo(&ofw_di);
qman_portals_detach(dev);
return (ENXIO);
}
int
ofw_reg_to_paddr(phandle_t dev, int regno, bus_addr_t *paddr,
bus_size_t *psize, pcell_t *ppci_hi)
{
pcell_t cell[32], pci_hi;
uint64_t addr, raddr, baddr;
uint64_t size, rsize;
uint32_t c, nbridge, naddr, nsize;
phandle_t bridge, parent;
u_int spc, rspc;
int pci, pcib, res;
/* Sanity checking. */
if (dev == 0)
return (EINVAL);
bridge = OF_parent(dev);
if (bridge == 0)
return (EINVAL);
if (regno < 0)
return (EINVAL);
if (paddr == NULL || psize == NULL)
return (EINVAL);
get_addr_props(bridge, &naddr, &nsize, &pci);
res = OF_getencprop(dev, (pci) ? "assigned-addresses" : "reg",
cell, sizeof(cell));
if (res == -1)
return (ENXIO);
if (res % sizeof(cell[0]))
return (ENXIO);
res /= sizeof(cell[0]);
regno *= naddr + nsize;
if (regno + naddr + nsize > res)
return (EINVAL);
pci_hi = pci ? cell[regno] : OFW_PADDR_NOT_PCI;
spc = pci_hi & OFW_PCI_PHYS_HI_SPACEMASK;
addr = 0;
for (c = 0; c < naddr; c++)
addr = ((uint64_t)addr << 32) | cell[regno++];
size = 0;
for (c = 0; c < nsize; c++)
size = ((uint64_t)size << 32) | cell[regno++];
/*
* Map the address range in the bridge's decoding window as given
* by the "ranges" property. If a node doesn't have such property
* or the property is empty, we assume an identity mapping. The
* standard says a missing property indicates no possible mapping.
* This code is more liberal since the intended use is to get a
* console running early, and a printf to warn of malformed data
* is probably futile before the console is fully set up.
*/
parent = OF_parent(bridge);
while (parent != 0) {
get_addr_props(parent, &nbridge, NULL, &pcib);
res = OF_getencprop(bridge, "ranges", cell, sizeof(cell));
if (res < 1)
goto next;
if (res % sizeof(cell[0]))
return (ENXIO);
/* Capture pci_hi if we just transitioned onto a PCI bus. */
if (pcib && pci_hi == OFW_PADDR_NOT_PCI) {
pci_hi = cell[0];
spc = pci_hi & OFW_PCI_PHYS_HI_SPACEMASK;
}
res /= sizeof(cell[0]);
regno = 0;
while (regno < res) {
rspc = (pci ? cell[regno] : OFW_PADDR_NOT_PCI) &
OFW_PCI_PHYS_HI_SPACEMASK;
if (rspc != spc) {
regno += naddr + nbridge + nsize;
continue;
}
raddr = 0;
for (c = 0; c < naddr; c++)
raddr = ((uint64_t)raddr << 32) | cell[regno++];
rspc = (pcib)
? cell[regno] & OFW_PCI_PHYS_HI_SPACEMASK
: OFW_PADDR_NOT_PCI;
baddr = 0;
for (c = 0; c < nbridge; c++)
baddr = ((uint64_t)baddr << 32) | cell[regno++];
rsize = 0;
for (c = 0; c < nsize; c++)
rsize = ((uint64_t)rsize << 32) | cell[regno++];
if (addr < raddr || addr >= raddr + rsize)
continue;
addr = addr - raddr + baddr;
if (rspc != OFW_PADDR_NOT_PCI)
spc = rspc;
}
next:
bridge = parent;
parent = OF_parent(bridge);
get_addr_props(bridge, &naddr, &nsize, &pci);
}
KASSERT(addr <= BUS_SPACE_MAXADDR,
("Bus sddress is too large: %jx", (uintmax_t)addr));
KASSERT(size <= BUS_SPACE_MAXSIZE,
("Bus size is too large: %jx", (uintmax_t)size));
*paddr = addr;
*psize = size;
if (ppci_hi != NULL)
*ppci_hi = pci_hi;
return (0);
}
static int
qman_portals_fdt_attach(device_t dev)
{
struct dpaa_portals_softc *sc;
struct resource_list_entry *rle;
phandle_t node, child, cpu_node;
vm_paddr_t portal_pa;
vm_size_t portal_size;
uint32_t addr, size;
ihandle_t cpu;
int cpu_num, cpus, intr_rid;
struct dpaa_portals_devinfo di;
struct ofw_bus_devinfo ofw_di = {};
cpus = 0;
sc = device_get_softc(dev);
sc->sc_dev = dev;
node = ofw_bus_get_node(dev);
get_addr_props(node, &addr, &size);
/* Find portals tied to CPUs */
for (child = OF_child(node); child != 0; child = OF_peer(child)) {
if (!fdt_is_compatible(child, "fsl,qman-portal")) {
continue;
}
/* Checkout related cpu */
if (OF_getprop(child, "cpu-handle", (void *)&cpu,
sizeof(cpu)) <= 0) {
continue;
}
/* Acquire cpu number */
cpu_node = OF_instance_to_package(cpu);
if (OF_getencprop(cpu_node, "reg", &cpu_num, sizeof(cpu_num)) <= 0) {
device_printf(dev, "Could not retrieve CPU number.\n");
return (ENXIO);
}
cpus++;
if (cpus > MAXCPU)
break;
if (ofw_bus_gen_setup_devinfo(&ofw_di, child) != 0) {
device_printf(dev, "could not set up devinfo\n");
continue;
}
resource_list_init(&di.di_res);
if (ofw_bus_reg_to_rl(dev, child, addr, size, &di.di_res)) {
device_printf(dev, "%s: could not process 'reg' "
"property\n", ofw_di.obd_name);
ofw_bus_gen_destroy_devinfo(&ofw_di);
continue;
}
if (ofw_bus_intr_to_rl(dev, child, &di.di_res, &intr_rid)) {
device_printf(dev, "%s: could not process "
"'interrupts' property\n", ofw_di.obd_name);
resource_list_free(&di.di_res);
ofw_bus_gen_destroy_devinfo(&ofw_di);
continue;
}
di.di_intr_rid = intr_rid;
ofw_reg_to_paddr(child, 0, &portal_pa, &portal_size, NULL);
rle = resource_list_find(&di.di_res, SYS_RES_MEMORY, 0);
if (sc->sc_dp_pa == 0)
sc->sc_dp_pa = portal_pa - rle->start;
portal_size = rle->end + 1;
rle = resource_list_find(&di.di_res, SYS_RES_MEMORY, 1);
portal_size = ulmax(rle->end + 1, portal_size);
sc->sc_dp_size = ulmax(sc->sc_dp_size, portal_size);
if (dpaa_portal_alloc_res(dev, &di, cpu_num))
goto err;
}
ofw_bus_gen_destroy_devinfo(&ofw_di);
return (qman_portals_attach(dev));
err:
resource_list_free(&di.di_res);
ofw_bus_gen_destroy_devinfo(&ofw_di);
qman_portals_detach(dev);
return (ENXIO);
}