int
i81342_mem_bs_map(bus_space_tag_t tag, bus_addr_t bpa, bus_size_t size, int flags,
bus_space_handle_t *bshp)
{
struct i81342_pci_softc *sc = (struct i81342_pci_softc *)tag->bs_privdata;
struct i81342_pci_map *tmp;
vm_offset_t addr, endaddr;
vm_paddr_t paddr;
/* Lookup to see if we already have a mapping at this address. */
tmp = sc->sc_pci_mappings;
while (tmp) {
if (tmp->paddr <= bpa && tmp->paddr + tmp->size >
bpa + size) {
*bshp = bpa - tmp->paddr + tmp->vaddr;
return (0);
}
tmp = tmp->next;
}
addr = allocable;
endaddr = ((addr + size) &~ (0x1000000 - 1)) + 0x1000000;
if (endaddr >= IOP34X_VADDR)
panic("PCI virtual memory exhausted");
allocable = endaddr;
tmp = malloc(sizeof(*tmp), M_DEVBUF, M_WAITOK);
tmp->next = NULL;
paddr = bpa &~ (0x100000 - 1);
tmp->paddr = paddr;
tmp->vaddr = addr;
tmp->size = 0;
while (addr < endaddr) {
pmap_kenter_supersection(addr, paddr + (sc->sc_is_atux ?
IOP34X_PCIX_OMBAR : IOP34X_PCIE_OMBAR), 0);
addr += 0x1000000;
paddr += 0x1000000;
tmp->size += 0x1000000;
}
tmp->next = sc->sc_pci_mappings;
sc->sc_pci_mappings = tmp;
*bshp = bpa - tmp->paddr + tmp->vaddr;
return (0);
}
void
arm_init_smallalloc(void)
{
vm_offset_t to_map = 0, mapaddr;
int i;
/*
* We need to use dump_avail and not phys_avail, since we want to
* map the whole memory and not just the memory available to the VM
* to be able to do a pa => va association for any address.
*/
for (i = 0; dump_avail[i + 1]; i+= 2) {
to_map += (dump_avail[i + 1] & S_FRAME) + S_SIZE -
(dump_avail[i] & S_FRAME);
}
alloc_firstaddr = mapaddr = KERNBASE - to_map;
for (i = 0; dump_avail[i + 1]; i+= 2) {
vm_offset_t size = (dump_avail[i + 1] & S_FRAME) +
S_SIZE - (dump_avail[i] & S_FRAME);
vm_offset_t did = 0;
while (size > 0) {
#ifdef ARM_HAVE_SUPERSECTIONS
pmap_kenter_supersection(mapaddr,
(dump_avail[i] & L1_SUP_FRAME) + did,
SECTION_CACHE);
#else
pmap_kenter_section(mapaddr,
(dump_avail[i] & L1_S_FRAME) + did, SECTION_CACHE);
#endif
mapaddr += S_SIZE;
did += S_SIZE;
size -= S_SIZE;
}
}
}
