static int
nexus_activate_resource(device_t bus, device_t child, int type, int rid,
struct resource *r)
{
/*
* If this is a memory resource, map it into the kernel.
*/
if (type == SYS_RES_MEMORY || type == SYS_RES_IOPORT) {
caddr_t vaddr = 0;
u_int32_t paddr;
u_int32_t psize;
u_int32_t poffs;
paddr = rman_get_start(r);
psize = rman_get_size(r);
poffs = paddr - trunc_page(paddr);
vaddr = (caddr_t) pmap_mapdev(paddr-poffs, psize+poffs) + poffs;
rman_set_virtual(r, vaddr);
#ifdef FDT
rman_set_bustag(r, fdtbus_bs_tag);
#else
rman_set_bustag(r, (void *)1);
#endif
rman_set_bushandle(r, (bus_space_handle_t) vaddr);
}
return (rman_activate_resource(r));
}
static int
nexus_activate_resource(device_t bus, device_t child, int type, int rid,
struct resource *r)
{
vm_paddr_t paddr, psize;
void *vaddr;
/*
* If this is a memory resource, map it into the kernel.
*/
switch (type) {
case SYS_RES_IOPORT:
rman_set_bustag(r, IA64_BUS_SPACE_IO);
rman_set_bushandle(r, rman_get_start(r));
break;
case SYS_RES_MEMORY:
paddr = rman_get_start(r);
psize = rman_get_size(r);
vaddr = pmap_mapdev(paddr, psize);
rman_set_virtual(r, vaddr);
rman_set_bustag(r, IA64_BUS_SPACE_MEM);
rman_set_bushandle(r, (bus_space_handle_t) paddr);
break;
}
return (rman_activate_resource(r));
}
int
ofw_pci_activate_resource(device_t bus, device_t child, int type, int rid,
struct resource *r)
{
struct ofw_pci_softc *sc;
struct bus_space_tag *tag;
sc = device_get_softc(bus);
switch (type) {
case SYS_RES_IRQ:
return (bus_generic_activate_resource(bus, child, type, rid,
r));
case SYS_RES_MEMORY:
tag = sparc64_alloc_bus_tag(r, PCI_MEMORY_BUS_SPACE);
if (tag == NULL)
return (ENOMEM);
rman_set_bustag(r, tag);
rman_set_bushandle(r, sc->sc_pci_bh[OFW_PCI_CS_MEM32] +
rman_get_start(r));
break;
case SYS_RES_IOPORT:
rman_set_bustag(r, sc->sc_pci_iot);
rman_set_bushandle(r, sc->sc_pci_bh[OFW_PCI_CS_IO] +
rman_get_start(r));
break;
}
return (rman_activate_resource(r));
}
static struct resource *
ixp425_alloc_resource(device_t dev, device_t child, int type, int *rid,
u_long start, u_long end, u_long count, u_int flags)
{
struct ixp425_softc *sc = device_get_softc(dev);
struct rman *rmanp;
struct resource *rv;
uint32_t vbase, addr;
int irq;
switch (type) {
case SYS_RES_IRQ:
rmanp = &sc->sc_irq_rman;
/* override per hints */
if (BUS_READ_IVAR(dev, child, IXP425_IVAR_IRQ, &irq) == 0)
start = end = irq;
rv = rman_reserve_resource(rmanp, start, end, count,
flags, child);
if (rv != NULL)
rman_set_rid(rv, *rid);
break;
case SYS_RES_MEMORY:
rmanp = &sc->sc_mem_rman;
/* override per hints */
if (BUS_READ_IVAR(dev, child, IXP425_IVAR_ADDR, &addr) == 0) {
start = addr;
end = start + 0x1000; /* XXX */
}
if (getvbase(start, end - start, &vbase) != 0) {
/* likely means above table needs to be updated */
device_printf(dev, "%s: no mapping for 0x%lx:0x%lx\n",
__func__, start, end-start);
return NULL;
}
rv = rman_reserve_resource(rmanp, start, end, count,
flags, child);
if (rv != NULL) {
rman_set_rid(rv, *rid);
if (strcmp(device_get_name(child), "uart") == 0)
rman_set_bustag(rv, &ixp425_a4x_bs_tag);
else
rman_set_bustag(rv, sc->sc_iot);
rman_set_bushandle(rv, vbase);
}
break;
default:
rv = NULL;
break;
}
return rv;
}
/*
* Allocate a resource on behalf of child. NB: child is usually going to be a
* child of one of our descendants, not a direct child of nexus0.
* (Exceptions include npx.)
*/
static struct resource *
nexus_alloc_resource(device_t bus, device_t child, int type, int *rid,
u_long start, u_long end, u_long count, u_int flags)
{
struct resource *rv;
struct rman *rm;
int needactivate = flags & RF_ACTIVE;
flags &= ~RF_ACTIVE;
switch (type) {
case SYS_RES_IRQ:
rm = &irq_rman;
break;
case SYS_RES_DRQ:
rm = &drq_rman;
break;
case SYS_RES_IOPORT:
rm = &port_rman;
break;
case SYS_RES_MEMORY:
rm = &mem_rman;
break;
default:
return 0;
}
rv = rman_reserve_resource(rm, start, end, count, flags, child);
if (rv == 0)
return 0;
if (type == SYS_RES_MEMORY) {
rman_set_bustag(rv, I386_BUS_SPACE_MEM);
} else if (type == SYS_RES_IOPORT) {
rman_set_bustag(rv, I386_BUS_SPACE_IO);
rman_set_bushandle(rv, rv->r_start);
}
if (needactivate) {
if (bus_activate_resource(child, type, *rid, rv)) {
rman_release_resource(rv);
return 0;
}
}
return rv;
}
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);
}
struct resource *
quicc_bus_alloc_resource(device_t dev, device_t child, int type, int *rid,
u_long start, u_long end, u_long count, u_int flags)
{
struct quicc_device *qd;
struct resource_list_entry *rle;
if (device_get_parent(child) != dev)
return (NULL);
/* We only support default allocations. */
if (start != 0UL || end != ~0UL)
return (NULL);
qd = device_get_ivars(child);
rle = resource_list_find(&qd->qd_rlist, type, *rid);
if (rle == NULL)
return (NULL);
if (rle->res == NULL) {
rle->res = rman_reserve_resource(qd->qd_rman, rle->start,
rle->start + rle->count - 1, rle->count, flags, child);
if (rle->res != NULL) {
rman_set_bustag(rle->res, &bs_be_tag);
rman_set_bushandle(rle->res, rle->start);
}
}
return (rle->res);
}
static int
sbus_activate_resource(device_t bus, device_t child, int type, int rid,
struct resource *r)
{
struct sbus_softc *sc;
struct bus_space_tag *tag;
int i;
switch (type) {
case SYS_RES_IRQ:
return (bus_generic_activate_resource(bus, child, type, rid,
r));
case SYS_RES_MEMORY:
sc = device_get_softc(bus);
for (i = 0; i < sc->sc_nrange; i++) {
if (rman_is_region_manager(r,
&sc->sc_rd[i].rd_rman) != 0) {
tag = sparc64_alloc_bus_tag(r, SBUS_BUS_SPACE);
if (tag == NULL)
return (ENOMEM);
rman_set_bustag(r, tag);
rman_set_bushandle(r,
sc->sc_rd[i].rd_bushandle +
rman_get_start(r));
return (rman_activate_resource(r));
}
}
/* FALLTHROUGH */
default:
return (EINVAL);
}
}
static int
thunder_pem_activate_resource(device_t dev, 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;
struct thunder_pem_softc *sc;
if ((err = rman_activate_resource(r)) != 0)
return (err);
sc = device_get_softc(dev);
/*
* 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);
paddr = range_addr_pci_to_phys(sc->ranges, paddr);
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);
}
return (0);
}
static int
wiibus_activate_resource(device_t bus, device_t child, int type, int rid,
struct resource *res)
{
void *p;
switch (type) {
case SYS_RES_MEMORY:
p = pmap_mapdev(rman_get_start(res), rman_get_size(res));
if (p == NULL)
return (ENOMEM);
rman_set_virtual(res, p);
rman_set_bustag(res, &bs_be_tag);
rman_set_bushandle(res, (unsigned long)p);
break;
case SYS_RES_IRQ:
return (bus_activate_resource(bus, type, rid, res));
default:
device_printf(bus,
"unknown activate resource request from %s\n",
device_get_nameunit(child));
return (ENXIO);
}
return (rman_activate_resource(res));
}
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);
}
static int
ofw_pci_activate_resource(device_t bus, device_t child, int type, int rid,
struct resource *res)
{
struct ofw_pci_softc *sc;
void *p;
sc = device_get_softc(bus);
if (type == SYS_RES_IRQ) {
return (bus_activate_resource(bus, type, rid, res));
}
if (type == SYS_RES_MEMORY || type == SYS_RES_IOPORT) {
struct ofw_pci_range *rp;
vm_offset_t start;
int space;
start = (vm_offset_t)rman_get_start(res);
/*
* Map this through the ranges list
*/
for (rp = sc->sc_range; rp < sc->sc_range + sc->sc_nrange &&
rp->pci_hi != 0; rp++) {
if (start < rp->pci || start >= rp->pci + rp->size)
continue;
switch (rp->pci_hi & OFW_PCI_PHYS_HI_SPACEMASK) {
case OFW_PCI_PHYS_HI_SPACE_IO:
space = SYS_RES_IOPORT;
break;
case OFW_PCI_PHYS_HI_SPACE_MEM32:
case OFW_PCI_PHYS_HI_SPACE_MEM64:
space = SYS_RES_MEMORY;
break;
default:
space = -1;
}
if (type == space) {
start += (rp->host - rp->pci);
break;
}
}
if (bootverbose)
printf("ofw_pci mapdev: start %zx, len %ld\n", start,
rman_get_size(res));
p = pmap_mapdev(start, (vm_size_t)rman_get_size(res));
if (p == NULL)
return (ENOMEM);
rman_set_virtual(res, p);
rman_set_bustag(res, &bs_le_tag);
rman_set_bushandle(res, (u_long)p);
}
return (rman_activate_resource(res));
}
static struct resource *
mvs_alloc_resource(device_t dev, device_t child, int type, int *rid,
u_long start, u_long end, u_long count, u_int flags)
{
struct mvs_controller *ctlr = device_get_softc(dev);
int unit = ((struct mvs_channel *)device_get_softc(child))->unit;
struct resource *res = NULL;
int offset = PORT_BASE(unit & 0x03);
long st;
switch (type) {
case SYS_RES_MEMORY:
st = rman_get_start(ctlr->r_mem);
res = rman_reserve_resource(&ctlr->sc_iomem, st + offset,
st + offset + PORT_SIZE - 1, PORT_SIZE, RF_ACTIVE, child);
if (res) {
bus_space_handle_t bsh;
bus_space_tag_t bst;
bsh = rman_get_bushandle(ctlr->r_mem);
bst = rman_get_bustag(ctlr->r_mem);
bus_space_subregion(bst, bsh, offset, PORT_SIZE, &bsh);
rman_set_bushandle(res, bsh);
rman_set_bustag(res, bst);
}
break;
case SYS_RES_IRQ:
if (*rid == ATA_IRQ_RID)
res = ctlr->irq.r_irq;
break;
}
return (res);
}
static int
unin_chip_activate_resource(device_t bus, device_t child, int type, int rid,
struct resource *res)
{
void *p;
if (type == SYS_RES_IRQ)
return (bus_activate_resource(bus, type, rid, res));
if ((type == SYS_RES_MEMORY) || (type == SYS_RES_IOPORT)) {
vm_offset_t start;
start = (vm_offset_t) rman_get_start(res);
if (bootverbose)
printf("unin mapdev: start %zx, len %ld\n", start,
rman_get_size(res));
p = pmap_mapdev(start, (vm_size_t) rman_get_size(res));
if (p == NULL)
return (ENOMEM);
rman_set_virtual(res, p);
rman_set_bustag(res, &bs_be_tag);
rman_set_bushandle(res, (u_long)p);
}
return (rman_activate_resource(res));
}
static struct resource *
nexus_alloc_resource(device_t bus, device_t child, int type, int *rid,
u_long start, u_long end, u_long count, u_int flags)
{
struct resource *rv;
struct rman *rm;
int needactivate = flags & RF_ACTIVE;
switch (type) {
case SYS_RES_MEMORY:
rm = &mem_rman;
break;
default:
return (0);
}
rv = rman_reserve_resource(rm, start, end, count, flags, child);
if (rv == 0)
return (0);
rman_set_rid(rv, *rid);
rman_set_bustag(rv, (void*)ARM_BUS_SPACE_MEM);
rman_set_bushandle(rv, rman_get_start(rv));
if (needactivate) {
if (bus_activate_resource(child, type, *rid, rv)) {
rman_release_resource(rv);
return (0);
}
}
return (rv);
}
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));
}
static int
ebus_activate_resource(device_t bus, device_t child, int type, int rid,
struct resource *res)
{
struct ebus_softc *sc;
struct ebus_rinfo *eri;
bus_space_tag_t bt;
bus_space_handle_t bh;
int i, rv;
sc = device_get_softc(bus);
if ((sc->sc_flags & EBUS_PCI) != 0 && type == SYS_RES_MEMORY) {
for (i = 0; i < sc->sc_nrange; i++) {
eri = &sc->sc_rinfo[i];
if (rman_is_region_manager(res, &eri->eri_rman) != 0) {
bt = rman_get_bustag(eri->eri_res);
rv = bus_space_subregion(bt,
rman_get_bushandle(eri->eri_res),
rman_get_start(res) -
rman_get_start(eri->eri_res),
rman_get_size(res), &bh);
if (rv != 0)
return (rv);
rman_set_bustag(res, bt);
rman_set_bushandle(res, bh);
return (rman_activate_resource(res));
}
}
return (EINVAL);
}
return (bus_generic_activate_resource(bus, child, type, rid, res));
}
static int
nexus_activate_resource(device_t bus, device_t child, int type, int rid,
struct resource *r)
{
#ifdef PC98
bus_space_handle_t bh;
int error;
#endif
void *vaddr;
/*
* If this is a memory resource, map it into the kernel.
*/
switch (type) {
case SYS_RES_IOPORT:
#ifdef PC98
error = i386_bus_space_handle_alloc(X86_BUS_SPACE_IO,
rman_get_start(r), rman_get_size(r), &bh);
if (error)
return (error);
rman_set_bushandle(r, bh);
#else
rman_set_bushandle(r, rman_get_start(r));
#endif
rman_set_bustag(r, X86_BUS_SPACE_IO);
break;
case SYS_RES_MEMORY:
#ifdef PC98
error = i386_bus_space_handle_alloc(X86_BUS_SPACE_MEM,
rman_get_start(r), rman_get_size(r), &bh);
if (error)
return (error);
#endif
vaddr = pmap_mapdev(rman_get_start(r), rman_get_size(r));
rman_set_virtual(r, vaddr);
rman_set_bustag(r, X86_BUS_SPACE_MEM);
#ifdef PC98
/* PC-98: the type of bus_space_handle_t is the structure. */
bh->bsh_base = (bus_addr_t) vaddr;
rman_set_bushandle(r, bh);
#else
/* IBM-PC: the type of bus_space_handle_t is u_int */
rman_set_bushandle(r, (bus_space_handle_t) vaddr);
#endif
}
return (rman_activate_resource(r));
}
static struct resource *
obio_alloc_resource(device_t bus, device_t child, int type, int *rid,
u_long start, u_long end, u_long count, u_int flags)
{
struct resource *rv;
struct rman *rm;
bus_space_tag_t bt = 0;
bus_space_handle_t bh = 0;
struct obio_softc *sc = device_get_softc(bus);
switch (type) {
case SYS_RES_IRQ:
switch (device_get_unit(child)) {
case 0:
start = end = OCTEON_IRQ_UART0;
break;
case 1:
start = end = OCTEON_IRQ_UART1;
break;
default:
return (NULL);
}
rm = &sc->oba_irq_rman;
break;
case SYS_RES_MEMORY:
return (NULL);
case SYS_RES_IOPORT:
rm = &sc->oba_rman;
bt = &octeon_uart_tag;
bh = CVMX_MIO_UARTX_RBR(device_get_unit(child));
start = bh;
break;
default:
return (NULL);
}
rv = rman_reserve_resource(rm, start, end, count, flags, child);
if (rv == NULL) {
return (NULL);
}
if (type == SYS_RES_IRQ) {
return (rv);
}
rman_set_rid(rv, *rid);
rman_set_bustag(rv, bt);
rman_set_bushandle(rv, bh);
if (0) {
if (bus_activate_resource(child, type, *rid, rv)) {
rman_release_resource(rv);
return (NULL);
}
}
return (rv);
}
static struct resource *
uninorth_alloc_resource(device_t bus, device_t child, int type, int *rid,
u_long start, u_long end, u_long count, u_int flags)
{
struct uninorth_softc *sc;
struct resource *rv;
struct rman *rm;
bus_space_tag_t bt;
int needactivate;
needactivate = flags & RF_ACTIVE;
flags &= ~RF_ACTIVE;
sc = device_get_softc(bus);
switch (type) {
case SYS_RES_MEMORY:
rm = &sc->sc_mem_rman;
bt = PPC_BUS_SPACE_MEM;
if (flags & PPC_BUS_SPARSE4)
bt |= 4;
break;
case SYS_RES_IRQ:
return (bus_alloc_resource(bus, type, rid, start, end, count,
flags));
break;
default:
device_printf(bus, "unknown resource request from %s\n",
device_get_nameunit(child));
return (NULL);
}
rv = rman_reserve_resource(rm, start, end, count, flags, child);
if (rv == NULL) {
device_printf(bus, "failed to reserve resource for %s\n",
device_get_nameunit(child));
return (NULL);
}
rman_set_bustag(rv, bt);
rman_set_bushandle(rv, rman_get_start(rv));
if (needactivate) {
if (bus_activate_resource(child, type, *rid, rv) != 0) {
device_printf(bus,
"failed to activate resource for %s\n",
device_get_nameunit(child));
rman_release_resource(rv);
return (NULL);
}
}
return (rv);
}
static int
nexus_activate_resource(device_t bus __unused, device_t child __unused,
int type, int rid __unused, struct resource *r)
{
if (type == SYS_RES_MEMORY) {
rman_set_bustag(r, &nexus_bustag);
rman_set_bushandle(r, rman_get_start(r));
}
return (rman_activate_resource(r));
}
static struct resource *
i80321_pci_alloc_resource(device_t bus, device_t child, int type, int *rid,
u_long start, u_long end, u_long count, u_int flags)
{
struct i80321_pci_softc *sc = device_get_softc(bus);
struct resource *rv;
struct rman *rm;
bus_space_tag_t bt = NULL;
bus_space_handle_t bh = 0;
switch (type) {
case SYS_RES_IRQ:
rm = &sc->sc_irq_rman;
break;
case SYS_RES_MEMORY:
rm = &sc->sc_mem_rman;
bt = sc->sc_pcimem;
bh = (start >= 0x80000000 && start < 0x84000000) ? 0x80000000 :
sc->sc_mem;
start &= (0x1000000 - 1);
end &= (0x1000000 - 1);
break;
case SYS_RES_IOPORT:
rm = &sc->sc_io_rman;
bt = sc->sc_pciio;
bh = sc->sc_io;
if (start < sc->sc_io) {
start = start - 0x90000000 + sc->sc_io;
end = end - 0x90000000 + sc->sc_io;
}
break;
default:
return (NULL);
}
rv = rman_reserve_resource(rm, start, end, count, flags, child);
if (rv == NULL)
return (NULL);
rman_set_rid(rv, *rid);
if (type != SYS_RES_IRQ) {
if (type == SYS_RES_MEMORY)
bh += (rman_get_start(rv));
rman_set_bustag(rv, bt);
rman_set_bushandle(rv, bh);
if (flags & RF_ACTIVE) {
if (bus_activate_resource(child, type, *rid, rv)) {
rman_release_resource(rv);
return (NULL);
}
}
}
return (rv);
}
static int
nexus_activate_resource(device_t bus, device_t child, int type, int rid,
struct resource *r)
{
/*
* If this is a memory resource, map it into the kernel.
*/
if (type == SYS_RES_MEMORY) {
void *vaddr;
vaddr = pmap_mapdev(rman_get_start(r), rman_get_size(r));
rman_set_virtual(r, vaddr);
rman_set_bustag(r, AMD64_BUS_SPACE_MEM);
rman_set_bushandle(r, (bus_space_handle_t) vaddr);
} else if (type == SYS_RES_IOPORT) {
rman_set_bustag(r, AMD64_BUS_SPACE_IO);
rman_set_bushandle(r, rman_get_start(r));
}
return (rman_activate_resource(r));
}
/*
* Allocate a resource on behalf of child. NB: child is usually going to be a
* child of one of our descendants, not a direct child of the pci chipset.
*/
struct resource *
alpha_pci_alloc_resource(device_t bus, device_t child, int type, int *rid,
u_long start, u_long end, u_long count, u_int flags)
{
struct rman *rm;
struct resource *rv;
void *va;
switch (type) {
case SYS_RES_IRQ:
#ifdef DEV_ISA
if((start >= ISA_IRQ_OFFSET) &&
(end < ISA_IRQ_OFFSET + ISA_IRQ_LEN)) {
return isa_alloc_intrs(bus, child,
start - ISA_IRQ_OFFSET,
end - ISA_IRQ_OFFSET);
}
else
#endif
rm = &irq_rman;
break;
case SYS_RES_IOPORT:
case SYS_RES_MEMORY:
rm = ALPHAPCI_GET_RMAN(bus, type);
break;
default:
return 0;
}
rv = rman_reserve_resource(rm, start, end, count, flags, child);
if (rv == 0)
return 0;
rman_set_bustag(rv, ALPHAPCI_GET_BUSTAG(bus, type));
rman_set_bushandle(rv, rv->r_start);
switch (type) {
case SYS_RES_MEMORY:
va = 0;
if (flags & PCI_RF_DENSE)
va = ALPHAPCI_CVT_DENSE(bus, rv->r_start);
else if (flags & PCI_RF_BWX)
va = ALPHAPCI_CVT_BWX(bus, rv->r_start);
else
va = (void *) rv->r_start; /* maybe NULL? */
rman_set_virtual(rv, va);
break;
}
return rv;
}
static struct resource *
at91_alloc_resource(device_t dev, device_t child, int type, int *rid,
u_long start, u_long end, u_long count, u_int flags)
{
struct at91_softc *sc = device_get_softc(dev);
struct resource_list_entry *rle;
struct at91_ivar *ivar = device_get_ivars(child);
struct resource_list *rl = &ivar->resources;
if (device_get_parent(child) != dev)
return (BUS_ALLOC_RESOURCE(device_get_parent(dev), child,
type, rid, start, end, count, flags));
rle = resource_list_find(rl, type, *rid);
if (rle == NULL)
return (NULL);
if (rle->res)
panic("Resource rid %d type %d already in use", *rid, type);
if (start == 0UL && end == ~0UL) {
start = rle->start;
count = ulmax(count, rle->count);
end = ulmax(rle->end, start + count - 1);
}
switch (type)
{
case SYS_RES_IRQ:
rle->res = rman_reserve_resource(&sc->sc_irq_rman,
start, end, count, flags, child);
break;
case SYS_RES_MEMORY:
#if 0
if (start >= 0x00300000 && start <= 0x003fffff)
rle->res = rman_reserve_resource(&sc->sc_usbmem_rman,
start, end, count, flags, child);
else
#endif
rle->res = rman_reserve_resource(&sc->sc_mem_rman,
start, end, count, flags, child);
if (rle->res != NULL) {
rman_set_bustag(rle->res, &at91_bs_tag);
rman_set_bushandle(rle->res, start);
}
break;
}
if (rle->res) {
rle->start = rman_get_start(rle->res);
rle->end = rman_get_end(rle->res);
rle->count = count;
rman_set_rid(rle->res, *rid);
}
return (rle->res);
}
/**
* omap_alloc_resource
*
* This function will be called when bus_alloc_resource(...) if the memory
* region requested is in the range of the managed values set by
* rman_manage_region(...) above.
*
* For SYS_RES_MEMORY resource types the omap_attach() calls rman_manage_region
* with the list of pyshical mappings defined in the omap_devmap region map.
* However because we are working with physical addresses, we need to convert
* the physical to virtual within this function and return the virtual address
* in the bus tag field.
*
*/
static struct resource *
omap_alloc_resource(device_t dev, device_t child, int type, int *rid,
u_long start, u_long end, u_long count, u_int flags)
{
struct omap_softc *sc = device_get_softc(dev);
struct resource_list_entry *rle;
struct omap_ivar *ivar = device_get_ivars(child);
struct resource_list *rl = &ivar->resources;
/* If we aren't the parent pass it onto the actual parent */
if (device_get_parent(child) != dev) {
return (BUS_ALLOC_RESOURCE(device_get_parent(dev), child,
type, rid, start, end, count, flags));
}
/* Find the resource in the list */
rle = resource_list_find(rl, type, *rid);
if (rle == NULL)
return (NULL);
if (rle->res)
panic("Resource rid %d type %d already in use", *rid, type);
if (start == 0UL && end == ~0UL) {
start = rle->start;
count = ulmax(count, rle->count);
end = ulmax(rle->end, start + count - 1);
}
switch (type)
{
case SYS_RES_IRQ:
rle->res = rman_reserve_resource(&sc->sc_irq_rman,
start, end, count, flags, child);
break;
case SYS_RES_MEMORY:
rle->res = rman_reserve_resource(&sc->sc_mem_rman,
start, end, count, flags, child);
if (rle->res != NULL) {
rman_set_bustag(rle->res, &omap_bs_tag);
rman_set_bushandle(rle->res, omap_devmap_phys2virt(start));
}
break;
}
if (rle->res) {
rle->start = rman_get_start(rle->res);
rle->end = rman_get_end(rle->res);
rle->count = count;
rman_set_rid(rle->res, *rid);
}
return (rle->res);
}
static struct resource *
obio_alloc_resource(device_t bus, device_t child, int type, int *rid,
rman_res_t start, rman_res_t end, rman_res_t count, u_int flags)
{
struct resource *rv;
struct rman *rm;
bus_space_tag_t bt = NULL;
bus_space_handle_t bh = 0;
struct obio_softc *sc = device_get_softc(bus);
int unit = device_get_unit(child);
switch (type) {
case SYS_RES_IRQ:
rm = &sc->oba_irq_rman;
if (unit == 0)
start = end = ICU_INT_UART0;
else
start = end = ICU_INT_UART1;
break;
case SYS_RES_MEMORY:
return (NULL);
case SYS_RES_IOPORT:
rm = &sc->oba_rman;
bt = sc->oba_st;
if (unit == 0) {
bh = IOP34X_UART0_VADDR;
start = bh;
end = IOP34X_UART1_VADDR;
} else {
bh = IOP34X_UART1_VADDR;
start = bh;
end = start + 0x40;
}
break;
default:
return (NULL);
}
rv = rman_reserve_resource(rm, start, end, count, flags, child);
if (rv == NULL)
return (NULL);
if (type == SYS_RES_IRQ)
return (rv);
rman_set_rid(rv, *rid);
rman_set_bustag(rv, bt);
rman_set_bushandle(rv, bh);
return (rv);
}
static struct resource *
xlp_pci_alloc_resource(device_t bus, device_t child, int type, int *rid,
u_long start, u_long end, u_long count, u_int flags)
{
struct resource *r;
struct xlp_devinfo *xlp_devinfo;
int busno;
/*
* Do custom allocation for MEMORY resource for SoC device if
* MEM_RES_EMUL flag is set
*/
busno = pci_get_bus(child);
if ((type == SYS_RES_MEMORY || type == SYS_RES_IOPORT) && busno == 0) {
xlp_devinfo = (struct xlp_devinfo *)device_get_ivars(child);
if ((xlp_devinfo->flags & MEM_RES_EMUL) != 0) {
/* no emulation for IO ports */
if (type == SYS_RES_IOPORT)
return (NULL);
start = xlp_devinfo->mem_res_start;
count = XLP_PCIE_CFG_SIZE - XLP_IO_PCI_HDRSZ;
/* MMC needs to 2 slots with rids 16 and 20 and a
* fixup for size */
if (pci_get_device(child) == PCI_DEVICE_ID_NLM_MMC) {
count = 0x100;
if (*rid == 16)
; /* first slot already setup */
else if (*rid == 20)
start += 0x100; /* second slot */
else
return (NULL);
}
end = start + count - 1;
r = BUS_ALLOC_RESOURCE(device_get_parent(bus), child,
type, rid, start, end, count, flags);
if (r == NULL)
return (NULL);
if ((xlp_devinfo->flags & DEV_MMIO32) != 0)
rman_set_bustag(r, rmi_uart_bus_space);
return (r);
}
}
/* Not custom alloc, use PCI code */
return (pci_alloc_resource(bus, child, type, rid, start, end, count,
flags));
}
static struct resource *
ocpbus_alloc_resource(device_t dev, device_t child, int type, int *rid,
u_long start, u_long end, u_long count, u_int flags)
{
struct ocpbus_softc *sc;
struct resource *rv;
int error;
sc = device_get_softc(dev);
switch (type) {
case SYS_RES_IRQ:
if (start == 0ul && end == ~0ul) {
error = ocpbus_get_resource(dev, child, type, *rid,
&start, &count);
if (error)
return (NULL);
}
rv = rman_reserve_resource(&sc->sc_irq, start,
start + count - 1, count, flags, child);
if (rv == NULL)
return (NULL);
break;
case SYS_RES_MEMORY:
if (start != 0ul || end != ~0ul)
return (NULL);
error = ocpbus_get_resource(dev, child, type, *rid, &start,
&count);
if (error)
return (NULL);
rv = rman_reserve_resource(&sc->sc_mem, start,
start + count - 1, count, flags, child);
if (rv == NULL)
return (NULL);
rman_set_bustag(rv, &bs_be_tag);
rman_set_bushandle(rv, rman_get_start(rv));
break;
default:
return (NULL);
}
rman_set_rid(rv, *rid);
return (rv);
}
static struct resource *
at91_alloc_resource(device_t dev, device_t child, int type, int *rid,
rman_res_t start, rman_res_t end, rman_res_t count, u_int flags)
{
struct at91_softc *sc = device_get_softc(dev);
struct resource_list_entry *rle;
struct at91_ivar *ivar = device_get_ivars(child);
struct resource_list *rl = &ivar->resources;
bus_space_handle_t bsh;
if (device_get_parent(child) != dev)
return (BUS_ALLOC_RESOURCE(device_get_parent(dev), child,
type, rid, start, end, count, flags));
rle = resource_list_find(rl, type, *rid);
if (rle == NULL)
return (NULL);
if (rle->res)
panic("Resource rid %d type %d already in use", *rid, type);
if (start == 0UL && end == ~0UL) {
start = rle->start;
count = ulmax(count, rle->count);
end = ulmax(rle->end, start + count - 1);
}
switch (type)
{
case SYS_RES_IRQ:
rle->res = rman_reserve_resource(&sc->sc_irq_rman,
start, end, count, flags, child);
break;
case SYS_RES_MEMORY:
rle->res = rman_reserve_resource(&sc->sc_mem_rman,
start, end, count, flags, child);
if (rle->res != NULL) {
bus_space_map(arm_base_bs_tag, start,
rman_get_size(rle->res), 0, &bsh);
rman_set_bustag(rle->res, arm_base_bs_tag);
rman_set_bushandle(rle->res, bsh);
}
break;
}
if (rle->res) {
rle->start = rman_get_start(rle->res);
rle->end = rman_get_end(rle->res);
rle->count = count;
rman_set_rid(rle->res, *rid);
}
return (rle->res);
}
