^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Low-Level PCI Support for PC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * (c) 1999--2000 Martin Mares <mj@ucw.cz>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/sched.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/pci.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/pci-acpi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/ioport.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/dmi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <asm/acpi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <asm/segment.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <asm/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <asm/smp.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <asm/pci_x86.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <asm/setup.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <asm/irqdomain.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) unsigned int pci_probe = PCI_PROBE_BIOS | PCI_PROBE_CONF1 | PCI_PROBE_CONF2 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) PCI_PROBE_MMCONF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) static int pci_bf_sort;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) int pci_routeirq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) int noioapicquirk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #ifdef CONFIG_X86_REROUTE_FOR_BROKEN_BOOT_IRQS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) int noioapicreroute = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) int noioapicreroute = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) int pcibios_last_bus = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) unsigned long pirq_table_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) const struct pci_raw_ops *__read_mostly raw_pci_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) const struct pci_raw_ops *__read_mostly raw_pci_ext_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) int raw_pci_read(unsigned int domain, unsigned int bus, unsigned int devfn,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) int reg, int len, u32 *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) if (domain == 0 && reg < 256 && raw_pci_ops)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) return raw_pci_ops->read(domain, bus, devfn, reg, len, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) if (raw_pci_ext_ops)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) return raw_pci_ext_ops->read(domain, bus, devfn, reg, len, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) int raw_pci_write(unsigned int domain, unsigned int bus, unsigned int devfn,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) int reg, int len, u32 val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) if (domain == 0 && reg < 256 && raw_pci_ops)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) return raw_pci_ops->write(domain, bus, devfn, reg, len, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) if (raw_pci_ext_ops)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) return raw_pci_ext_ops->write(domain, bus, devfn, reg, len, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) static int pci_read(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 *value)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) return raw_pci_read(pci_domain_nr(bus), bus->number,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) devfn, where, size, value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) static int pci_write(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 value)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) return raw_pci_write(pci_domain_nr(bus), bus->number,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) devfn, where, size, value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) struct pci_ops pci_root_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) .read = pci_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) .write = pci_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) * This interrupt-safe spinlock protects all accesses to PCI configuration
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) * space, except for the mmconfig (ECAM) based operations.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) DEFINE_RAW_SPINLOCK(pci_config_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) static int __init can_skip_ioresource_align(const struct dmi_system_id *d)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) pci_probe |= PCI_CAN_SKIP_ISA_ALIGN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) printk(KERN_INFO "PCI: %s detected, can skip ISA alignment\n", d->ident);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) static const struct dmi_system_id can_skip_pciprobe_dmi_table[] __initconst = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) * Systems where PCI IO resource ISA alignment can be skipped
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) * when the ISA enable bit in the bridge control is not set
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) .callback = can_skip_ioresource_align,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) .ident = "IBM System x3800",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) DMI_MATCH(DMI_PRODUCT_NAME, "x3800"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) .callback = can_skip_ioresource_align,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) .ident = "IBM System x3850",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) DMI_MATCH(DMI_PRODUCT_NAME, "x3850"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) .callback = can_skip_ioresource_align,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) .ident = "IBM System x3950",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) DMI_MATCH(DMI_PRODUCT_NAME, "x3950"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) void __init dmi_check_skip_isa_align(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) dmi_check_system(can_skip_pciprobe_dmi_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) static void pcibios_fixup_device_resources(struct pci_dev *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) struct resource *rom_r = &dev->resource[PCI_ROM_RESOURCE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) struct resource *bar_r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) int bar;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) if (pci_probe & PCI_NOASSIGN_BARS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) * If the BIOS did not assign the BAR, zero out the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) * resource so the kernel doesn't attempt to assign
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) * it later on in pci_assign_unassigned_resources
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) for (bar = 0; bar < PCI_STD_NUM_BARS; bar++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) bar_r = &dev->resource[bar];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) if (bar_r->start == 0 && bar_r->end != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) bar_r->flags = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) bar_r->end = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) if (pci_probe & PCI_NOASSIGN_ROMS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) if (rom_r->parent)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) if (rom_r->start) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) /* we deal with BIOS assigned ROM later */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) rom_r->start = rom_r->end = rom_r->flags = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) * Called after each bus is probed, but before its children
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) * are examined.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) void pcibios_fixup_bus(struct pci_bus *b)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) struct pci_dev *dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) pci_read_bridge_bases(b);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) list_for_each_entry(dev, &b->devices, bus_list)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) pcibios_fixup_device_resources(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) void pcibios_add_bus(struct pci_bus *bus)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) acpi_pci_add_bus(bus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) void pcibios_remove_bus(struct pci_bus *bus)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) acpi_pci_remove_bus(bus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) * Only use DMI information to set this if nothing was passed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) * on the kernel command line (which was parsed earlier).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) static int __init set_bf_sort(const struct dmi_system_id *d)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) if (pci_bf_sort == pci_bf_sort_default) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) pci_bf_sort = pci_dmi_bf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) printk(KERN_INFO "PCI: %s detected, enabling pci=bfsort.\n", d->ident);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) static void __init read_dmi_type_b1(const struct dmi_header *dm,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) void *private_data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) u8 *data = (u8 *)dm + 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) if (dm->type != 0xB1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) if ((((*(u32 *)data) >> 9) & 0x03) == 0x01)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) set_bf_sort((const struct dmi_system_id *)private_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) static int __init find_sort_method(const struct dmi_system_id *d)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) dmi_walk(read_dmi_type_b1, (void *)d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) * Enable renumbering of PCI bus# ranges to reach all PCI busses (Cardbus)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) #ifdef __i386__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) static int __init assign_all_busses(const struct dmi_system_id *d)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) pci_probe |= PCI_ASSIGN_ALL_BUSSES;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) printk(KERN_INFO "%s detected: enabling PCI bus# renumbering"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) " (pci=assign-busses)\n", d->ident);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) static int __init set_scan_all(const struct dmi_system_id *d)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) printk(KERN_INFO "PCI: %s detected, enabling pci=pcie_scan_all\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) d->ident);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) pci_add_flags(PCI_SCAN_ALL_PCIE_DEVS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) static const struct dmi_system_id pciprobe_dmi_table[] __initconst = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) #ifdef __i386__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) * Laptops which need pci=assign-busses to see Cardbus cards
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) .callback = assign_all_busses,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) .ident = "Samsung X20 Laptop",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) DMI_MATCH(DMI_SYS_VENDOR, "Samsung Electronics"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) DMI_MATCH(DMI_PRODUCT_NAME, "SX20S"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) #endif /* __i386__ */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) .callback = set_bf_sort,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) .ident = "Dell PowerEdge 1950",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 1950"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) .callback = set_bf_sort,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) .ident = "Dell PowerEdge 1955",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 1955"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) .callback = set_bf_sort,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) .ident = "Dell PowerEdge 2900",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 2900"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) .callback = set_bf_sort,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) .ident = "Dell PowerEdge 2950",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 2950"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) .callback = set_bf_sort,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) .ident = "Dell PowerEdge R900",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge R900"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) .callback = find_sort_method,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) .ident = "Dell System",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) .callback = set_bf_sort,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) .ident = "HP ProLiant BL20p G3",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) DMI_MATCH(DMI_SYS_VENDOR, "HP"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL20p G3"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) .callback = set_bf_sort,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) .ident = "HP ProLiant BL20p G4",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) DMI_MATCH(DMI_SYS_VENDOR, "HP"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL20p G4"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) .callback = set_bf_sort,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) .ident = "HP ProLiant BL30p G1",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) DMI_MATCH(DMI_SYS_VENDOR, "HP"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL30p G1"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) .callback = set_bf_sort,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) .ident = "HP ProLiant BL25p G1",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) DMI_MATCH(DMI_SYS_VENDOR, "HP"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL25p G1"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) .callback = set_bf_sort,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) .ident = "HP ProLiant BL35p G1",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) DMI_MATCH(DMI_SYS_VENDOR, "HP"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL35p G1"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) .callback = set_bf_sort,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) .ident = "HP ProLiant BL45p G1",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) DMI_MATCH(DMI_SYS_VENDOR, "HP"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL45p G1"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) .callback = set_bf_sort,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) .ident = "HP ProLiant BL45p G2",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) DMI_MATCH(DMI_SYS_VENDOR, "HP"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL45p G2"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) .callback = set_bf_sort,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) .ident = "HP ProLiant BL460c G1",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) DMI_MATCH(DMI_SYS_VENDOR, "HP"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL460c G1"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) .callback = set_bf_sort,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) .ident = "HP ProLiant BL465c G1",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) DMI_MATCH(DMI_SYS_VENDOR, "HP"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL465c G1"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) .callback = set_bf_sort,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) .ident = "HP ProLiant BL480c G1",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) DMI_MATCH(DMI_SYS_VENDOR, "HP"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL480c G1"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) .callback = set_bf_sort,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) .ident = "HP ProLiant BL685c G1",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) DMI_MATCH(DMI_SYS_VENDOR, "HP"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL685c G1"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) .callback = set_bf_sort,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) .ident = "HP ProLiant DL360",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) DMI_MATCH(DMI_SYS_VENDOR, "HP"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant DL360"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) .callback = set_bf_sort,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) .ident = "HP ProLiant DL380",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) DMI_MATCH(DMI_SYS_VENDOR, "HP"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant DL380"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) #ifdef __i386__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) .callback = assign_all_busses,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) .ident = "Compaq EVO N800c",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) DMI_MATCH(DMI_PRODUCT_NAME, "EVO N800c"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) .callback = set_bf_sort,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) .ident = "HP ProLiant DL385 G2",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) DMI_MATCH(DMI_SYS_VENDOR, "HP"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant DL385 G2"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) .callback = set_bf_sort,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) .ident = "HP ProLiant DL585 G2",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) DMI_MATCH(DMI_SYS_VENDOR, "HP"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant DL585 G2"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) .callback = set_scan_all,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) .ident = "Stratus/NEC ftServer",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) DMI_MATCH(DMI_SYS_VENDOR, "Stratus"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) DMI_MATCH(DMI_PRODUCT_NAME, "ftServer"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) .callback = set_scan_all,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) .ident = "Stratus/NEC ftServer",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) DMI_MATCH(DMI_SYS_VENDOR, "NEC"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) DMI_MATCH(DMI_PRODUCT_NAME, "Express5800/R32"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) .callback = set_scan_all,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) .ident = "Stratus/NEC ftServer",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) DMI_MATCH(DMI_SYS_VENDOR, "NEC"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) DMI_MATCH(DMI_PRODUCT_NAME, "Express5800/R31"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) void __init dmi_check_pciprobe(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) dmi_check_system(pciprobe_dmi_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) void pcibios_scan_root(int busnum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) struct pci_bus *bus;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) struct pci_sysdata *sd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) LIST_HEAD(resources);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) sd = kzalloc(sizeof(*sd), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) if (!sd) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) printk(KERN_ERR "PCI: OOM, skipping PCI bus %02x\n", busnum);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) sd->node = x86_pci_root_bus_node(busnum);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) x86_pci_root_bus_resources(busnum, &resources);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) printk(KERN_DEBUG "PCI: Probing PCI hardware (bus %02x)\n", busnum);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) bus = pci_scan_root_bus(NULL, busnum, &pci_root_ops, sd, &resources);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) if (!bus) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) pci_free_resource_list(&resources);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) kfree(sd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) pci_bus_add_devices(bus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) void __init pcibios_set_cache_line_size(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) struct cpuinfo_x86 *c = &boot_cpu_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) * Set PCI cacheline size to that of the CPU if the CPU has reported it.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) * (For older CPUs that don't support cpuid, we se it to 32 bytes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) * It's also good for 386/486s (which actually have 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) * as quite a few PCI devices do not support smaller values.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) if (c->x86_clflush_size > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) pci_dfl_cache_line_size = c->x86_clflush_size >> 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) printk(KERN_DEBUG "PCI: pci_cache_line_size set to %d bytes\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) pci_dfl_cache_line_size << 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) pci_dfl_cache_line_size = 32 >> 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) printk(KERN_DEBUG "PCI: Unknown cacheline size. Setting to 32 bytes\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) int __init pcibios_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) if (!raw_pci_ops && !raw_pci_ext_ops) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) printk(KERN_WARNING "PCI: System does not support PCI\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) pcibios_set_cache_line_size();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) pcibios_resource_survey();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) if (pci_bf_sort >= pci_force_bf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) pci_sort_breadthfirst();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) char *__init pcibios_setup(char *str)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) if (!strcmp(str, "off")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) pci_probe = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) } else if (!strcmp(str, "bfsort")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) pci_bf_sort = pci_force_bf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) } else if (!strcmp(str, "nobfsort")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) pci_bf_sort = pci_force_nobf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) #ifdef CONFIG_PCI_BIOS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) else if (!strcmp(str, "bios")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) pci_probe = PCI_PROBE_BIOS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) } else if (!strcmp(str, "nobios")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) pci_probe &= ~PCI_PROBE_BIOS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) } else if (!strcmp(str, "biosirq")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) pci_probe |= PCI_BIOS_IRQ_SCAN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) } else if (!strncmp(str, "pirqaddr=", 9)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) pirq_table_addr = simple_strtoul(str+9, NULL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) #ifdef CONFIG_PCI_DIRECT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) else if (!strcmp(str, "conf1")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) pci_probe = PCI_PROBE_CONF1 | PCI_NO_CHECKS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) else if (!strcmp(str, "conf2")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) pci_probe = PCI_PROBE_CONF2 | PCI_NO_CHECKS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) #ifdef CONFIG_PCI_MMCONFIG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) else if (!strcmp(str, "nommconf")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) pci_probe &= ~PCI_PROBE_MMCONF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) else if (!strcmp(str, "check_enable_amd_mmconf")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) pci_probe |= PCI_CHECK_ENABLE_AMD_MMCONF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) else if (!strcmp(str, "noacpi")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) acpi_noirq_set();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) else if (!strcmp(str, "noearly")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) pci_probe |= PCI_PROBE_NOEARLY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) else if (!strcmp(str, "usepirqmask")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) pci_probe |= PCI_USE_PIRQ_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) } else if (!strncmp(str, "irqmask=", 8)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) pcibios_irq_mask = simple_strtol(str+8, NULL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) } else if (!strncmp(str, "lastbus=", 8)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) pcibios_last_bus = simple_strtol(str+8, NULL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) } else if (!strcmp(str, "rom")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) pci_probe |= PCI_ASSIGN_ROMS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) } else if (!strcmp(str, "norom")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) pci_probe |= PCI_NOASSIGN_ROMS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) } else if (!strcmp(str, "nobar")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) pci_probe |= PCI_NOASSIGN_BARS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) } else if (!strcmp(str, "assign-busses")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) pci_probe |= PCI_ASSIGN_ALL_BUSSES;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) } else if (!strcmp(str, "use_crs")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) pci_probe |= PCI_USE__CRS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) } else if (!strcmp(str, "nocrs")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) pci_probe |= PCI_ROOT_NO_CRS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) #ifdef CONFIG_PHYS_ADDR_T_64BIT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) } else if (!strcmp(str, "big_root_window")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) pci_probe |= PCI_BIG_ROOT_WINDOW;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) } else if (!strcmp(str, "routeirq")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) pci_routeirq = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) } else if (!strcmp(str, "skip_isa_align")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) pci_probe |= PCI_CAN_SKIP_ISA_ALIGN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) } else if (!strcmp(str, "noioapicquirk")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) noioapicquirk = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) } else if (!strcmp(str, "ioapicreroute")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) if (noioapicreroute != -1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) noioapicreroute = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) } else if (!strcmp(str, "noioapicreroute")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) if (noioapicreroute != -1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) noioapicreroute = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) return str;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) unsigned int pcibios_assign_all_busses(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) return (pci_probe & PCI_ASSIGN_ALL_BUSSES) ? 1 : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) static void set_dev_domain_options(struct pci_dev *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) if (is_vmd(pdev->bus))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) pdev->hotplug_user_indicators = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) int pcibios_add_device(struct pci_dev *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) struct pci_setup_rom *rom;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) struct irq_domain *msidom;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) struct setup_data *data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) u64 pa_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) pa_data = boot_params.hdr.setup_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) while (pa_data) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) data = memremap(pa_data, sizeof(*rom), MEMREMAP_WB);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) if (!data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) if (data->type == SETUP_PCI) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) rom = (struct pci_setup_rom *)data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) if ((pci_domain_nr(dev->bus) == rom->segment) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) (dev->bus->number == rom->bus) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) (PCI_SLOT(dev->devfn) == rom->device) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) (PCI_FUNC(dev->devfn) == rom->function) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) (dev->vendor == rom->vendor) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) (dev->device == rom->devid)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) dev->rom = pa_data +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) offsetof(struct pci_setup_rom, romdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) dev->romlen = rom->pcilen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) pa_data = data->next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) memunmap(data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) set_dev_domain_options(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) * Setup the initial MSI domain of the device. If the underlying
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) * bus has a PCI/MSI irqdomain associated use the bus domain,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) * otherwise set the default domain. This ensures that special irq
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) * domains e.g. VMD are preserved. The default ensures initial
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) * operation if irq remapping is not active. If irq remapping is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) * active it will overwrite the domain pointer when the device is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) * associated to a remapping domain.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) msidom = dev_get_msi_domain(&dev->bus->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) if (!msidom)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) msidom = x86_pci_msi_default_domain;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) dev_set_msi_domain(&dev->dev, msidom);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) int pcibios_enable_device(struct pci_dev *dev, int mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) if ((err = pci_enable_resources(dev, mask)) < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) if (!pci_dev_msi_enabled(dev))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) return pcibios_enable_irq(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) void pcibios_disable_device (struct pci_dev *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) if (!pci_dev_msi_enabled(dev) && pcibios_disable_irq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) pcibios_disable_irq(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) void pcibios_release_device(struct pci_dev *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) if (atomic_dec_return(&dev->enable_cnt) >= 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) pcibios_disable_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) int pci_ext_cfg_avail(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) if (raw_pci_ext_ops)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) #if IS_ENABLED(CONFIG_VMD)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) struct pci_dev *pci_real_dma_dev(struct pci_dev *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) if (is_vmd(dev->bus))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) return to_pci_sysdata(dev->bus)->vmd_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) return dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) #endif
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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