static paddr_t
igsfb_ofbus_mmap(void *v, void *vs, off_t offset, int prot)
{
#ifdef PCI_MAGIC_IO_RANGE
/* access to IO ports */
if ((offset >= PCI_MAGIC_IO_RANGE) &&
(offset < (PCI_MAGIC_IO_RANGE + 0x10000))) {
paddr_t pa;
pa = isa_io_physaddr + offset - PCI_MAGIC_IO_RANGE;
return arm_btop(pa);
}
#endif
/*
* we also need to allow mapping of the whole aperture, including MMIO
* registers on CyberPro at its physical address
*/
if ((offset >= igsfb_mem_paddr) &&
(offset < (igsfb_mem_paddr + 0x00800000))) {
return (arm_btop(offset) | ARM32_MMAP_WRITECOMBINE);
}
if ((offset >= (igsfb_mem_paddr + 0x00800000)) &&
(offset < (igsfb_mem_paddr + 0x01000000)))
return arm_btop(offset);
return -1;
}
/*
* Common functin for mmap(2)'ing DMA-safe memory. May be called by
* bus-specific DMA mmap(2)'ing functions.
*/
paddr_t
_bus_dmamem_mmap(bus_dma_tag_t t, bus_dma_segment_t *segs, int nsegs,
off_t off, int prot, int flags)
{
int i;
for (i = 0; i < nsegs; i++) {
#ifdef DIAGNOSTIC
if (off & PGOFSET)
panic("_bus_dmamem_mmap: offset unaligned");
if (segs[i].ds_addr & PGOFSET)
panic("_bus_dmamem_mmap: segment unaligned");
if (segs[i].ds_len & PGOFSET)
panic("_bus_dmamem_mmap: segment size not multiple"
" of page size");
#endif /* DIAGNOSTIC */
if (off >= segs[i].ds_len) {
off -= segs[i].ds_len;
continue;
}
return (arm_btop((u_long)segs[i].ds_addr + off));
}
/* Page not found. */
return (-1);
}
paddr_t
mainbus_bs_mmap(void *t, bus_addr_t paddr, off_t offset, int prot, int flags)
{
/*
* mmap from address `paddr+offset' for one page
*/
return (arm_btop((paddr + offset)));
}
paddr_t
vidcvideommap(void *v, void *vs, off_t offset, int prot)
{
struct vcons_data *vd = v;
struct vidcvideo_softc *sc = vd->cookie;
if (offset >= sc->sc_dc->dc_size || offset < 0)
return -1;
return arm_btop(sc->sc_dc->dc_paddr + offset);
}
paddr_t
footbridge_mem_bs_mmap(void *t, bus_addr_t addr, off_t offset,
int prot, int flags)
{
paddr_t pa;
if (addr >= DC21285_PCI_MEM_SIZE
|| offset < 0
|| offset >= DC21285_PCI_MEM_SIZE
|| addr >= DC21285_PCI_MEM_SIZE - offset)
return -1;
pa = DC21285_PCI_MEM_BASE + addr + offset;
return arm_btop(pa);
}
paddr_t
footbridge_io_bs_mmap(void *t, bus_addr_t addr, off_t offset,
int prot, int flags)
{
paddr_t pa;
/* allow mapping of IO space */
if (addr >= DC21285_PCI_IO_SIZE ||
addr >= DC21285_PCI_IO_SIZE - offset ||
offset < 0 ||
offset >= DC21285_PCI_IO_SIZE)
return -1;
pa = DC21285_PCI_IO_BASE + addr + offset;
return arm_btop(pa);
}
