示例#1
0
void
pci_addr_fixup(void *v, int maxbus)
{
	struct shpcic_softc *sc = v;

	const char *verbose_header = 
		"[%s]-----------------------\n"
		"  device vendor product\n"
		"  register space address    size\n"
		"--------------------------------------------\n";
	const char *verbose_footer = 
		"--------------------------[%3d devices bogus]\n";

	sc->extent_mem = extent_create("PCI I/O memory space",
	    sc->sc_membus_space.bus_base, 
	    sc->sc_membus_space.bus_base + sc->sc_membus_space.bus_size,
	    M_DEVBUF, 0, 0, EX_NOWAIT);
	KASSERT(sc->extent_mem);
	sc->extent_port = extent_create("PCI I/O port space",
            sc->sc_iobus_space.bus_base,
            sc->sc_iobus_space.bus_base + sc->sc_iobus_space.bus_size,
	    M_DEVBUF, 0, 0, EX_NOWAIT);
	KASSERT(sc->extent_port);

	/* 
	 * 1. check & reserve system BIOS setting.
	 */
	PCIBIOS_PRINTV((verbose_header, "System BIOS Setting"));
	pci_device_foreach(sc, &sc->sc_pci_chipset, maxbus,
	    pciaddr_resource_reserve);
	pci_device_foreach(sc, &sc->sc_pci_chipset, maxbus,
	    pciaddr_resource_reserve_disabled);
	PCIBIOS_PRINTV((verbose_footer, sc->nbogus));

	{
		struct extent_region *rp;
		struct extent *ex = sc->extent_mem;
		for (rp = LIST_FIRST(&ex->ex_regions);
		    rp; rp = LIST_NEXT(rp, er_link)) {
		}
	}
	{
		struct extent_region *rp;
		struct extent *ex = sc->extent_port;
		for (rp = LIST_FIRST(&ex->ex_regions);
		    rp; rp = LIST_NEXT(rp, er_link)) {
		}
	}

	/* 
	 * 4. do fixup 
	 */
	PCIBIOS_PRINTV((verbose_header, "PCIBIOS fixup stage"));
	sc->nbogus = 0;
	pci_device_foreach(sc, &sc->sc_pci_chipset, maxbus,
	    pciaddr_resource_allocate);
	PCIBIOS_PRINTV((verbose_footer, sc->nbogus));

}
示例#2
0
void
pci_addr_fixup(struct pcibios_softc *sc, pci_chipset_tag_t pc, int maxbus)
{
	extern paddr_t avail_end;
	const char *verbose_header = 
		"[%s]-----------------------\n"
		"  device vendor product\n"
		"  register space address    size\n"
		"--------------------------------------------\n";
	const char *verbose_footer = 
		"--------------------------[%3d devices bogus]\n";

	const struct {
		bus_addr_t start;
		bus_size_t size;
		char *name;
	} system_reserve [] = {
		{ 0xfec00000, 0x100000, "I/O APIC" },
		{ 0xfee00000, 0x100000, "Local APIC" },
		{ 0xfffe0000, 0x20000, "BIOS PROM" },
		{ 0, 0, 0 }, /* terminator */
	}, *srp;
	paddr_t start;
	int error;

	sc->extent_mem = extent_create("PCI I/O memory space",
	    PCIADDR_MEM_START, PCIADDR_MEM_END, M_DEVBUF, 0, 0, EX_NOWAIT);
	KASSERT(sc->extent_mem);
	sc->extent_port = extent_create("PCI I/O port space",
	    PCIADDR_PORT_START, PCIADDR_PORT_END, M_DEVBUF, 0, 0, EX_NOWAIT);
	KASSERT(sc->extent_port);

	/* 
	 * 1. check & reserve system BIOS setting.
	 */
	PCIBIOS_PRINTV((verbose_header, "System BIOS Setting"));
	pci_device_foreach(sc, pc, maxbus, pciaddr_resource_reserve);
	pci_device_foreach(sc, pc, maxbus, pciaddr_resource_reserve_disabled);
	PCIBIOS_PRINTV((verbose_footer, sc->nbogus));

	/* 
	 * 2. reserve non-PCI area.
	 */
	for (srp = system_reserve; srp->size; srp++) {
		error = extent_alloc_region(sc->extent_mem, srp->start,
		    srp->size, EX_NOWAIT| EX_MALLOCOK);	
		if (error != 0)
			printf("WARNING: can't reserve area for %s.\n",
			       srp->name);
	}

	/* 
	 * 3. determine allocation space 
	 */
	start = round_page(avail_end + 1);
	if (start < PCIADDR_ISAMEM_RESERVE)
		start = PCIADDR_ISAMEM_RESERVE;
	sc->mem_alloc_start = (start + 0x100000 + 1) & ~(0x100000 - 1);
	sc->port_alloc_start = PCIADDR_ISAPORT_RESERVE;
	PCIBIOS_PRINTV((" Physical memory end: 0x%08x\n PCI memory mapped I/O "
	    "space start: 0x%08x\n", avail_end, sc->mem_alloc_start));

	/* 
	 * 4. do fixup 
	 */
	PCIBIOS_PRINTV((verbose_header, "PCIBIOS fixup stage"));
	sc->nbogus = 0;
	pci_device_foreach(sc, pc, maxbus, pciaddr_resource_allocate);
	PCIBIOS_PRINTV((verbose_footer, sc->nbogus));

}
示例#3
0
void
pci_addr_fixup(pci_chipset_tag_t pc, int maxbus)
{
	extern paddr_t avail_end;
	const char *verbose_header =
		"[%s]-----------------------\n"
		"  device vendor product\n"
		"  register space address    size\n"
		"--------------------------------------------\n";
	const char *verbose_footer =
		"--------------------------[%3d devices bogus]\n";
	const struct {
		bus_addr_t start;
		bus_size_t size;
		const char *name;
	} system_reserve [] = {
		{ 0xfec00000, 0x100000, "I/O APIC" },
		{ 0xfee00000, 0x100000, "Local APIC" },
		{ 0xfffe0000, 0x20000, "BIOS PROM" },
		{ 0, 0, 0 }, /* terminator */
	}, *srp;
	paddr_t start;
	int error;

	pciaddr.extent_mem = extent_create("PCI I/O memory space",
					   PCIADDR_MEM_START,
					   PCIADDR_MEM_END,
					   0, 0, EX_NOWAIT);
	KASSERT(pciaddr.extent_mem);
	pciaddr.extent_port = extent_create("PCI I/O port space",
					    PCIADDR_PORT_START,
					    PCIADDR_PORT_END,
					    0, 0, EX_NOWAIT);
	KASSERT(pciaddr.extent_port);

	/*
	 * 1. check & reserve system BIOS setting.
	 */
	aprint_debug(verbose_header, "System BIOS Setting");
	pci_device_foreach(pc, maxbus, pciaddr_resource_reserve, NULL);
	aprint_debug(verbose_footer, pciaddr.nbogus);

	/*
	 * 2. reserve non-PCI area.
	 */
	for (srp = system_reserve; srp->size; srp++) {
		error = extent_alloc_region(pciaddr.extent_mem, srp->start,
					    srp->size,
					    EX_NOWAIT| EX_MALLOCOK);
		if (error != 0) {
			aprint_error("WARNING: can't reserve area for %s.\n",
			       srp->name);
		}
	}

	/*
	 * 3. determine allocation space
	 */
	start = x86_round_page(avail_end + 1);
	if (start < PCIADDR_ISAMEM_RESERVE)
		start = PCIADDR_ISAMEM_RESERVE;
	pciaddr.mem_alloc_start = (start + 0x100000 + 1) & ~(0x100000 - 1);
	pciaddr.port_alloc_start = PCIADDR_ISAPORT_RESERVE;
	aprint_debug(" Physical memory end: 0x%08x\n PCI memory mapped I/O "
			"space start: 0x%08x\n", (unsigned)avail_end,
			(unsigned)pciaddr.mem_alloc_start);

	if (pciaddr.nbogus == 0)
		return; /* no need to fixup */

	/*
	 * 4. do fixup
	 */
	aprint_debug(verbose_header, "PCIBIOS fixup stage");
	pciaddr.nbogus = 0;
	pci_device_foreach_min(pc, 0, maxbus, pciaddr_resource_allocate, NULL);
	aprint_debug(verbose_footer, pciaddr.nbogus);

}