From db02c4b19d46abd5825669969370c0bb0e5bf4da Mon Sep 17 00:00:00 2001 From: dfr Date: Sat, 6 Oct 2001 10:09:57 +0000 Subject: Delete legacy pcib code - we can't possibly work without acpi on ia64. --- sys/ia64/pci/nexus_pcib.c | 570 ---------------------------------------------- 1 file changed, 570 deletions(-) delete mode 100644 sys/ia64/pci/nexus_pcib.c (limited to 'sys/ia64/pci') diff --git a/sys/ia64/pci/nexus_pcib.c b/sys/ia64/pci/nexus_pcib.c deleted file mode 100644 index 3569682..0000000 --- a/sys/ia64/pci/nexus_pcib.c +++ /dev/null @@ -1,570 +0,0 @@ -/* - * Copyright (c) 1997, Stefan Esser - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice unmodified, this list of conditions, and the following - * disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * $FreeBSD$ - * - */ - -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include -#include - -#include "pcib_if.h" - -static int -nexus_pcib_maxslots(device_t dev) -{ - return 31; -} - -/* read configuration space register */ - -#define SAL_PCI_ADDRESS(bus, slot, func, reg) \ - (((bus) << 16) | ((slot) << 11) | ((func) << 8) | (reg)) - -static u_int32_t -nexus_pcib_read_config(device_t dev, int bus, int slot, int func, - int reg, int bytes) -{ - struct ia64_sal_result res; - - res = ia64_sal_entry(SAL_PCI_CONFIG_READ, - SAL_PCI_ADDRESS(bus, slot, func, reg), - bytes, 0, 0, 0, 0, 0); - if (res.sal_status < 0) - return (~0); - else - return (res.sal_result[0]); -} - -/* write configuration space register */ - -static void -nexus_pcib_write_config(device_t dev, int bus, int slot, int func, - int reg, u_int32_t data, int bytes) -{ - struct ia64_sal_result res; - - res = ia64_sal_entry(SAL_PCI_CONFIG_WRITE, - SAL_PCI_ADDRESS(bus, slot, func, reg), - bytes, data, 0, 0, 0, 0); -} - -/* route interrupt */ - -static int -nexus_pcib_route_interrupt(device_t pcib, device_t dev, int pin) -{ - return (0); -} - -static devclass_t pcib_devclass; - -static const char * -nexus_pcib_is_host_bridge(int bus, int slot, int func, - u_int32_t id, u_int8_t class, u_int8_t subclass, - u_int8_t *busnum) -{ - const char *s = NULL; - static u_int8_t pxb[4]; /* hack for 450nx */ - - *busnum = 0; - - switch (id) { - case 0x12258086: - s = "Intel 824?? host to PCI bridge"; - /* XXX This is a guess */ - /* *busnum = nexus_pcib_read_config(0, bus, slot, func, 0x41, 1); */ - *busnum = bus; - break; - case 0x71208086: - s = "Intel 82810 (i810 GMCH) Host To Hub bridge"; - break; - case 0x71228086: - s = "Intel 82810-DC100 (i810-DC100 GMCH) Host To Hub bridge"; - break; - case 0x71248086: - s = "Intel 82810E (i810E GMCH) Host To Hub bridge"; - break; - case 0x11308086: - s = "Intel 82815 (i815 GMCH) Host To Hub bridge"; - break; - case 0x71808086: - s = "Intel 82443LX (440 LX) host to PCI bridge"; - break; - case 0x71908086: - s = "Intel 82443BX (440 BX) host to PCI bridge"; - break; - case 0x71928086: - s = "Intel 82443BX host to PCI bridge (AGP disabled)"; - break; - case 0x71948086: - s = "Intel 82443MX host to PCI bridge"; - break; - case 0x71a08086: - s = "Intel 82443GX host to PCI bridge"; - break; - case 0x71a18086: - s = "Intel 82443GX host to AGP bridge"; - break; - case 0x71a28086: - s = "Intel 82443GX host to PCI bridge (AGP disabled)"; - break; - case 0x84c48086: - s = "Intel 82454KX/GX (Orion) host to PCI bridge"; - *busnum = nexus_pcib_read_config(0, bus, slot, func, 0x4a, 1); - break; - case 0x84ca8086: - /* - * For the 450nx chipset, there is a whole bundle of - * things pretending to be host bridges. The MIOC will - * be seen first and isn't really a pci bridge (the - * actual busses are attached to the PXB's). We need to - * read the registers of the MIOC to figure out the - * bus numbers for the PXB channels. - * - * Since the MIOC doesn't have a pci bus attached, we - * pretend it wasn't there. - */ - pxb[0] = nexus_pcib_read_config(0, bus, slot, func, - 0xd0, 1); /* BUSNO[0] */ - pxb[1] = nexus_pcib_read_config(0, bus, slot, func, - 0xd1, 1) + 1; /* SUBA[0]+1 */ - pxb[2] = nexus_pcib_read_config(0, bus, slot, func, - 0xd3, 1); /* BUSNO[1] */ - pxb[3] = nexus_pcib_read_config(0, bus, slot, func, - 0xd4, 1) + 1; /* SUBA[1]+1 */ - return NULL; - case 0x84cb8086: - switch (slot) { - case 0x12: - s = "Intel 82454NX PXB#0, Bus#A"; - *busnum = pxb[0]; - break; - case 0x13: - s = "Intel 82454NX PXB#0, Bus#B"; - *busnum = pxb[1]; - break; - case 0x14: - s = "Intel 82454NX PXB#1, Bus#A"; - *busnum = pxb[2]; - break; - case 0x15: - s = "Intel 82454NX PXB#1, Bus#B"; - *busnum = pxb[3]; - break; - } - break; - - /* AMD -- vendor 0x1022 */ - case 0x70061022: - s = "AMD-751 host to PCI bridge"; - break; - - /* SiS -- vendor 0x1039 */ - case 0x04961039: - s = "SiS 85c496"; - break; - case 0x04061039: - s = "SiS 85c501"; - break; - case 0x06011039: - s = "SiS 85c601"; - break; - case 0x55911039: - s = "SiS 5591 host to PCI bridge"; - break; - case 0x00011039: - s = "SiS 5591 host to AGP bridge"; - break; - - /* VLSI -- vendor 0x1004 */ - case 0x00051004: - s = "VLSI 82C592 Host to PCI bridge"; - break; - - /* XXX Here is MVP3, I got the datasheet but NO M/B to test it */ - /* totally. Please let me know if anything wrong. -F */ - /* XXX need info on the MVP3 -- any takers? */ - case 0x05981106: - s = "VIA 82C598MVP (Apollo MVP3) host bridge"; - break; - - /* AcerLabs -- vendor 0x10b9 */ - /* Funny : The datasheet told me vendor id is "10b8",sub-vendor */ - /* id is '10b9" but the register always shows "10b9". -Foxfair */ - case 0x154110b9: - s = "AcerLabs M1541 (Aladdin-V) PCI host bridge"; - break; - - /* OPTi -- vendor 0x1045 */ - case 0xc7011045: - s = "OPTi 82C700 host to PCI bridge"; - break; - case 0xc8221045: - s = "OPTi 82C822 host to PCI Bridge"; - break; - - /* ServerWorks -- vendor 0x1166 */ - case 0x00051166: - s = "ServerWorks NB6536 2.0HE host to PCI bridge"; - *busnum = nexus_pcib_read_config(0, bus, slot, func, 0x44, 1); - break; - - case 0x00061166: - /* FALLTHROUGH */ - case 0x00081166: - s = "ServerWorks host to PCI bridge"; - *busnum = nexus_pcib_read_config(0, bus, slot, func, 0x44, 1); - break; - - case 0x00091166: - s = "ServerWorks NB6635 3.0LE host to PCI bridge"; - *busnum = nexus_pcib_read_config(0, bus, slot, func, 0x44, 1); - break; - - /* Integrated Micro Solutions -- vendor 0x10e0 */ - case 0x884910e0: - s = "Integrated Micro Solutions VL Bridge"; - break; - - default: - if (class == PCIC_BRIDGE && subclass == PCIS_BRIDGE_HOST) - s = "Host to PCI bridge"; - break; - } - - return s; -} - -/* - * Scan the first pci bus for host-pci bridges and add pcib instances - * to the nexus for each bridge. - */ -static void -nexus_pcib_identify(driver_t *driver, device_t parent) -{ - int bus, slot, func; - u_int8_t hdrtype; - int found = 0; - int pcifunchigh; - int found824xx = 0; - int found_orion = 0; - device_t child; - devclass_t pci_devclass; - - /* - * Check to see if we haven't already had a PCI bus added - * via some other means. If we have, bail since otherwise - * we're going to end up duplicating it. - */ - if ((pci_devclass = devclass_find("pci")) && - devclass_get_device(pci_devclass, 0)) - return; - - - bus = 0; - retry: - for (slot = 0; slot <= PCI_SLOTMAX; slot++) { - func = 0; - hdrtype = nexus_pcib_read_config(0, bus, slot, func, - PCIR_HEADERTYPE, 1); - if ((hdrtype & PCIM_MFDEV) && - (!found_orion || hdrtype != 0xff)) - pcifunchigh = 7; - else - pcifunchigh = 0; - for (func = 0; func <= pcifunchigh; func++) { - /* - * Read the IDs and class from the device. - */ - u_int32_t id; - u_int8_t class, subclass, busnum; - const char *s; - device_t *devs; - int ndevs, i; - - id = nexus_pcib_read_config(0, bus, slot, func, - PCIR_DEVVENDOR, 4); - if (id == -1) - continue; - class = nexus_pcib_read_config(0, bus, slot, func, - PCIR_CLASS, 1); - subclass = nexus_pcib_read_config(0, bus, slot, func, - PCIR_SUBCLASS, 1); - - s = nexus_pcib_is_host_bridge(bus, slot, func, - id, class, subclass, - &busnum); - if (s == NULL) - continue; - - /* - * Check to see if the physical bus has already - * been seen. Eg: hybrid 32 and 64 bit host - * bridges to the same logical bus. - */ - if (device_get_children(parent, &devs, &ndevs) == 0) { - for (i = 0; s != NULL && i < ndevs; i++) { - if (strcmp(device_get_name(devs[i]), - "pcib") != 0) - continue; - if (nexus_get_pcibus(devs[i]) == busnum) - s = NULL; - } - free(devs, M_TEMP); - } - - if (s == NULL) - continue; - /* - * Add at priority 100 to make sure we - * go after any motherboard resources - */ - child = BUS_ADD_CHILD(parent, 100, - "pcib", busnum); - device_set_desc(child, s); - nexus_set_pcibus(child, busnum); - - found = 1; - if (id == 0x12258086) - found824xx = 1; - if (id == 0x84c48086) - found_orion = 1; - } - } - if (found824xx && bus == 0) { - bus++; - goto retry; - } - - /* - * Make sure we add at least one bridge since some old - * hardware doesn't actually have a host-pci bridge device. - */ - if (!found) { - if (bootverbose) - printf( - "nexus_pcib_identify: no bridge found, adding pcib0 anyway\n"); - child = BUS_ADD_CHILD(parent, 100, "pcib", 0); - nexus_set_pcibus(child, 0); - } -} - -static int -nexus_pcib_probe(device_t dev) -{ - devclass_t pci_devclass; - - /* - * Check to see if we haven't already had a PCI bus added - * via some other means. If we have, bail since otherwise - * we're going to end up duplicating it. - */ - if ((pci_devclass = devclass_find("pci")) && - devclass_get_device(pci_devclass, device_get_unit(dev))) - return ENXIO; - - return 0; -} - -static int -nexus_pcib_attach(device_t dev) -{ - device_t child; - - child = device_add_child(dev, "pci", device_get_unit(dev)); - - return bus_generic_attach(dev); -} - -static int -nexus_pcib_read_ivar(device_t dev, device_t child, int which, uintptr_t *result) -{ - - switch (which) { - case PCIB_IVAR_BUS: - *result = nexus_get_pcibus(dev); - return 0; - } - return ENOENT; -} - -static int -nexus_pcib_write_ivar(device_t dev, device_t child, int which, uintptr_t value) -{ - - switch (which) { - case PCIB_IVAR_BUS: - nexus_set_pcibus(dev, value); - return 0; - } - return ENOENT; -} - - -static device_method_t nexus_pcib_methods[] = { - /* Device interface */ - DEVMETHOD(device_identify, nexus_pcib_identify), - DEVMETHOD(device_probe, nexus_pcib_probe), - DEVMETHOD(device_attach, nexus_pcib_attach), - DEVMETHOD(device_shutdown, bus_generic_shutdown), - DEVMETHOD(device_suspend, bus_generic_suspend), - DEVMETHOD(device_resume, bus_generic_resume), - - /* Bus interface */ - DEVMETHOD(bus_print_child, bus_generic_print_child), - DEVMETHOD(bus_read_ivar, nexus_pcib_read_ivar), - DEVMETHOD(bus_write_ivar, nexus_pcib_write_ivar), - DEVMETHOD(bus_alloc_resource, bus_generic_alloc_resource), - DEVMETHOD(bus_release_resource, bus_generic_release_resource), - DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), - DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), - DEVMETHOD(bus_setup_intr, bus_generic_setup_intr), - DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr), - - /* pcib interface */ - DEVMETHOD(pcib_maxslots, nexus_pcib_maxslots), - DEVMETHOD(pcib_read_config, nexus_pcib_read_config), - DEVMETHOD(pcib_write_config, nexus_pcib_write_config), - DEVMETHOD(pcib_route_interrupt, nexus_pcib_route_interrupt), - - { 0, 0 } -}; - -static driver_t nexus_pcib_driver = { - "pcib", - nexus_pcib_methods, - 1, -}; - -DRIVER_MODULE(pcib, nexus, nexus_pcib_driver, pcib_devclass, 0, 0); - - -/* - * Provide a device to "eat" the host->pci bridges that we dug up above - * and stop them showing up twice on the probes. This also stops them - * showing up as 'none' in pciconf -l. - */ -static int -pci_hostb_probe(device_t dev) -{ - - if (pci_get_class(dev) == PCIC_BRIDGE && - pci_get_subclass(dev) == PCIS_BRIDGE_HOST) { - device_set_desc(dev, "Host to PCI bridge"); - device_quiet(dev); - return -10000; - } - return ENXIO; -} - -static int -pci_hostb_attach(device_t dev) -{ - - return 0; -} - -static device_method_t pci_hostb_methods[] = { - /* Device interface */ - DEVMETHOD(device_probe, pci_hostb_probe), - DEVMETHOD(device_attach, pci_hostb_attach), - DEVMETHOD(device_shutdown, bus_generic_shutdown), - DEVMETHOD(device_suspend, bus_generic_suspend), - DEVMETHOD(device_resume, bus_generic_resume), - - { 0, 0 } -}; -static driver_t pci_hostb_driver = { - "hostb", - pci_hostb_methods, - 1, -}; -static devclass_t pci_hostb_devclass; - -DRIVER_MODULE(hostb, pci, pci_hostb_driver, pci_hostb_devclass, 0, 0); - - -/* - * Install placeholder to claim the resources owned by the - * PCI bus interface. This could be used to extract the - * config space registers in the extreme case where the PnP - * ID is available and the PCI BIOS isn't, but for now we just - * eat the PnP ID and do nothing else. - * - * XXX we should silence this probe, as it will generally confuse - * people. - */ -static struct isa_pnp_id pcibus_pnp_ids[] = { - { 0x030ad041 /* PNP030A */, "PCI Bus" }, - { 0 } -}; - -static int -pcibus_pnp_probe(device_t dev) -{ - int result; - - if ((result = ISA_PNP_PROBE(device_get_parent(dev), dev, pcibus_pnp_ids)) <= 0) - device_quiet(dev); - return(result); -} - -static int -pcibus_pnp_attach(device_t dev) -{ - return(0); -} - -static device_method_t pcibus_pnp_methods[] = { - /* Device interface */ - DEVMETHOD(device_probe, pcibus_pnp_probe), - DEVMETHOD(device_attach, pcibus_pnp_attach), - DEVMETHOD(device_detach, bus_generic_detach), - DEVMETHOD(device_shutdown, bus_generic_shutdown), - DEVMETHOD(device_suspend, bus_generic_suspend), - DEVMETHOD(device_resume, bus_generic_resume), - { 0, 0 } -}; - -static driver_t pcibus_pnp_driver = { - "pcibus_pnp", - pcibus_pnp_methods, - 1, /* no softc */ -}; - -static devclass_t pcibus_pnp_devclass; - -DRIVER_MODULE(pcibus_pnp, isa, pcibus_pnp_driver, pcibus_pnp_devclass, 0, 0); -- cgit v1.1