diff options
author | Stefan Reinauer <stefan.reinauer@coreboot.org> | 2015-07-13 09:39:15 +0200 |
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committer | Stefan Reinauer <stefan.reinauer@coreboot.org> | 2015-07-13 21:04:56 +0200 |
commit | 6cb3a59fd5e754c3627b79db21c5bcc284bfd721 (patch) | |
tree | e83db5b11ee4a29d496dcf2798d024b6b8455ab7 /src/arch/x86/boot/mpspec.c | |
parent | 9693885ad88d21ead7bd9ebc32f3e4901841b18b (diff) |
x86: flatten hierarchy
It never made sense to have bootblock_* in init, but
pirq_routing.c in boot, and some ld scripts on the main
level while others live in subdirectories.
This patch flattens the directory hierarchy and makes
x86 more similar to the other architectures.
Change-Id: I4056038fe7813e4d3d3042c441e7ab6076a36384
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: http://review.coreboot.org/10901
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Diffstat (limited to 'src/arch/x86/boot/mpspec.c')
-rw-r--r-- | src/arch/x86/boot/mpspec.c | 597 |
1 files changed, 0 insertions, 597 deletions
diff --git a/src/arch/x86/boot/mpspec.c b/src/arch/x86/boot/mpspec.c deleted file mode 100644 index 1a0ac31fd0..0000000000 --- a/src/arch/x86/boot/mpspec.c +++ /dev/null @@ -1,597 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2014 Sage Electronic Engineering, LLC. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc. - */ - -#include <console/console.h> -#include <device/path.h> -#include <device/pci_ids.h> -#include <cpu/cpu.h> -#include <arch/smp/mpspec.h> -#include <string.h> -#include <arch/cpu.h> -#include <cpu/x86/lapic.h> -#include <drivers/generic/ioapic/chip.h> - -/* Initialize the specified "mc" struct with initial values. */ -void mptable_init(struct mp_config_table *mc, u32 lapic_addr) -{ - int i; - - memset(mc, 0, sizeof(*mc)); - - memcpy(mc->mpc_signature, MPC_SIGNATURE, 4); - - mc->mpc_length = sizeof(*mc); /* Initially just the header size. */ - mc->mpc_spec = 0x04; /* MultiProcessor specification 1.4 */ - mc->mpc_checksum = 0; /* Not yet computed. */ - mc->mpc_oemptr = 0; - mc->mpc_oemsize = 0; - mc->mpc_entry_count = 0; /* No entries yet... */ - mc->mpc_lapic = lapic_addr; - mc->mpe_length = 0; - mc->mpe_checksum = 0; - mc->reserved = 0; - - strncpy(mc->mpc_oem, CONFIG_MAINBOARD_VENDOR, 8); - strncpy(mc->mpc_productid, CONFIG_MAINBOARD_PART_NUMBER, 12); - - /* - * The oem/productid fields are exactly 8/12 bytes long. If the resp. - * entry is shorter, the remaining bytes are filled with spaces. - */ - for (i = MIN(strlen(CONFIG_MAINBOARD_VENDOR), 8); i < 8; i++) - mc->mpc_oem[i] = ' '; - for (i = MIN(strlen(CONFIG_MAINBOARD_PART_NUMBER), 12); i < 12; i++) - mc->mpc_productid[i] = ' '; -} - -static unsigned char smp_compute_checksum(void *v, int len) -{ - unsigned char *bytes; - unsigned char checksum; - int i; - bytes = v; - checksum = 0; - for(i = 0; i < len; i++) { - checksum -= bytes[i]; - } - return checksum; -} - -static void *smp_write_floating_table_physaddr(uintptr_t addr, uintptr_t mpf_physptr, unsigned int virtualwire) -{ - struct intel_mp_floating *mf; - void *v; - - v = (void *)addr; - mf = v; - mf->mpf_signature[0] = '_'; - mf->mpf_signature[1] = 'M'; - mf->mpf_signature[2] = 'P'; - mf->mpf_signature[3] = '_'; - mf->mpf_physptr = mpf_physptr; - mf->mpf_length = 1; - mf->mpf_specification = 4; - mf->mpf_checksum = 0; - mf->mpf_feature1 = 0; - mf->mpf_feature2 = virtualwire?MP_FEATURE_PIC:MP_FEATURE_VIRTUALWIRE; - mf->mpf_feature3 = 0; - mf->mpf_feature4 = 0; - mf->mpf_feature5 = 0; - mf->mpf_checksum = smp_compute_checksum(mf, mf->mpf_length*16); - return v; -} - -void *smp_write_floating_table(unsigned long addr, unsigned int virtualwire) -{ - /* 16 byte align the table address */ - addr = (addr + 0xf) & (~0xf); - return smp_write_floating_table_physaddr(addr, addr + SMP_FLOATING_TABLE_LEN, virtualwire); -} - -void *smp_next_mpc_entry(struct mp_config_table *mc) -{ - void *v; - v = (void *)(((char *)mc) + mc->mpc_length); - - return v; -} -static void smp_add_mpc_entry(struct mp_config_table *mc, u16 length) -{ - mc->mpc_length += length; - mc->mpc_entry_count++; -} - -void *smp_next_mpe_entry(struct mp_config_table *mc) -{ - void *v; - v = (void *)(((char *)mc) + mc->mpc_length + mc->mpe_length); - - return v; -} -static void smp_add_mpe_entry(struct mp_config_table *mc, mpe_t mpe) -{ - mc->mpe_length += mpe->mpe_length; -} - -/* - * Type 0: Processor Entries: - * Entry Type, LAPIC ID, LAPIC Version, CPU Flags EN/BP, - * CPU Signature (Stepping, Model, Family), Feature Flags - */ -void smp_write_processor(struct mp_config_table *mc, - u8 apicid, u8 apicver, u8 cpuflag, - u32 cpufeature, u32 featureflag) -{ - struct mpc_config_processor *mpc; - mpc = smp_next_mpc_entry(mc); - memset(mpc, '\0', sizeof(*mpc)); - mpc->mpc_type = MP_PROCESSOR; - mpc->mpc_apicid = apicid; - mpc->mpc_apicver = apicver; - mpc->mpc_cpuflag = cpuflag; - mpc->mpc_cpufeature = cpufeature; - mpc->mpc_featureflag = featureflag; - smp_add_mpc_entry(mc, sizeof(*mpc)); -} - -/* - * If we assume a symmetric processor configuration we can - * get all of the information we need to write the processor - * entry from the bootstrap processor. - * Plus I don't think linux really even cares. - * Having the proper apicid's in the table so the non-bootstrap - * processors can be woken up should be enough. - */ -void smp_write_processors(struct mp_config_table *mc) -{ - int boot_apic_id; - int order_id; - unsigned apic_version; - unsigned cpu_features; - unsigned cpu_feature_flags; - struct cpuid_result result; - struct device *cpu; - - boot_apic_id = lapicid(); - apic_version = lapic_read(LAPIC_LVR) & 0xff; - result = cpuid(1); - cpu_features = result.eax; - cpu_feature_flags = result.edx; - /* order the output of the cpus to fix a bug in kernel 2.6.11 */ - for(order_id = 0;order_id <256; order_id++) { - for(cpu = all_devices; cpu; cpu = cpu->next) { - unsigned long cpu_flag; - if ((cpu->path.type != DEVICE_PATH_APIC) || - (cpu->bus->dev->path.type != DEVICE_PATH_CPU_CLUSTER)) - continue; - - if (!cpu->enabled) - continue; - - cpu_flag = MPC_CPU_ENABLED; - - if (boot_apic_id == cpu->path.apic.apic_id) - cpu_flag = MPC_CPU_ENABLED | MPC_CPU_BOOTPROCESSOR; - - if(cpu->path.apic.apic_id == order_id) { - smp_write_processor(mc, - cpu->path.apic.apic_id, apic_version, - cpu_flag, cpu_features, cpu_feature_flags - ); - break; - } - } - } -} - -/* - * Type 1: Bus Entries: - * Entry Type, Bus ID, Bus Type - */ -static void smp_write_bus(struct mp_config_table *mc, - u8 id, const char *bustype) -{ - struct mpc_config_bus *mpc; - mpc = smp_next_mpc_entry(mc); - memset(mpc, '\0', sizeof(*mpc)); - mpc->mpc_type = MP_BUS; - mpc->mpc_busid = id; - memcpy(mpc->mpc_bustype, bustype, sizeof(mpc->mpc_bustype)); - smp_add_mpc_entry(mc, sizeof(*mpc)); -} - -/* - * Type 2: I/O APIC Entries: - * Entry Type, APIC ID, Version, - * APIC Flags:EN, Address - */ -void smp_write_ioapic(struct mp_config_table *mc, - u8 id, u8 ver, void *apicaddr) -{ - struct mpc_config_ioapic *mpc; - mpc = smp_next_mpc_entry(mc); - memset(mpc, '\0', sizeof(*mpc)); - mpc->mpc_type = MP_IOAPIC; - mpc->mpc_apicid = id; - mpc->mpc_apicver = ver; - mpc->mpc_flags = MPC_APIC_USABLE; - mpc->mpc_apicaddr = apicaddr; - smp_add_mpc_entry(mc, sizeof(*mpc)); -} - -/* - * Type 3: I/O Interrupt Table Entries: - * Entry Type, Int Type, Int Polarity, Int Level, - * Source Bus ID, Source Bus IRQ, Dest APIC ID, Dest PIN# - */ -void smp_write_intsrc(struct mp_config_table *mc, - u8 irqtype, u16 irqflag, - u8 srcbus, u8 srcbusirq, - u8 dstapic, u8 dstirq) -{ - struct mpc_config_intsrc *mpc; - mpc = smp_next_mpc_entry(mc); - memset(mpc, '\0', sizeof(*mpc)); - mpc->mpc_type = MP_INTSRC; - mpc->mpc_irqtype = irqtype; - mpc->mpc_irqflag = irqflag; - mpc->mpc_srcbus = srcbus; - mpc->mpc_srcbusirq = srcbusirq; - mpc->mpc_dstapic = dstapic; - mpc->mpc_dstirq = dstirq; - smp_add_mpc_entry(mc, sizeof(*mpc)); -#ifdef DEBUG_MPTABLE - printk(BIOS_DEBUG, "add intsrc srcbus 0x%x srcbusirq 0x%x, dstapic 0x%x, dstirq 0x%x\n", - srcbus, srcbusirq, dstapic, dstirq); - hexdump(__func__, mpc, sizeof(*mpc)); -#endif -} - -/* - * Type 3: I/O Interrupt Table Entries for PCI Devices: - * This has the same fields as 'Type 3: I/O Interrupt Table Entries' - * but the Source Bus IRQ field has a slightly different - * definition: - * Bits 1-0: PIRQ pin: INT_A# = 0, INT_B# = 1, INT_C# = 2, INT_D# = 3 - * Bits 2-6: Originating PCI Device Number (Not its parent bridge device number) - * Bit 7: Reserved - */ -void smp_write_pci_intsrc(struct mp_config_table *mc, - u8 irqtype, u8 srcbus, u8 dev, u8 pirq, - u8 dstapic, u8 dstirq) -{ - u8 srcbusirq = (dev << 2) | pirq; - printk(BIOS_SPEW, "\tPCI srcbusirq = 0x%x from dev = 0x%x and pirq = %x\n", srcbusirq, dev, pirq); - smp_write_intsrc(mc, irqtype, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, srcbus, - srcbusirq, dstapic, dstirq); -} - -void smp_write_intsrc_pci_bridge(struct mp_config_table *mc, - u8 irqtype, u16 irqflag, struct device *dev, - unsigned char dstapic, unsigned char *dstirq) -{ - struct device *child; - - int i; - int srcbus; - int slot; - - struct bus *link; - unsigned char dstirq_x[4]; - - for (link = dev->link_list; link; link = link->next) { - - child = link->children; - srcbus = link->secondary; - - while (child) { - if (child->path.type != DEVICE_PATH_PCI) - goto next; - - slot = (child->path.pci.devfn >> 3); - /* round pins */ - for (i = 0; i < 4; i++) - dstirq_x[i] = dstirq[(i + slot) % 4]; - - if ((child->class >> 16) != PCI_BASE_CLASS_BRIDGE) { - /* pci device */ - printk(BIOS_DEBUG, "route irq: %s\n", dev_path(child)); - for (i = 0; i < 4; i++) - smp_write_intsrc(mc, irqtype, irqflag, srcbus, (slot<<2)|i, dstapic, dstirq_x[i]); - goto next; - } - - switch (child->class>>8) { - case PCI_CLASS_BRIDGE_PCI: - case PCI_CLASS_BRIDGE_PCMCIA: - case PCI_CLASS_BRIDGE_CARDBUS: - printk(BIOS_DEBUG, "route irq bridge: %s\n", dev_path(child)); - smp_write_intsrc_pci_bridge(mc, irqtype, irqflag, child, dstapic, dstirq_x); - } - -next: - child = child->sibling; - } - - } -} - -/* - * Type 4: Local Interrupt Assignment Entries: - * Entry Type, Int Type, Int Polarity, Int Level, - * Source Bus ID, Source Bus IRQ, Dest LAPIC ID, - * Dest LAPIC LINTIN# - */ -void smp_write_lintsrc(struct mp_config_table *mc, - u8 irqtype, u16 irqflag, - u8 srcbusid, u8 srcbusirq, - u8 destapic, u8 destapiclint) -{ - struct mpc_config_lintsrc *mpc; - mpc = smp_next_mpc_entry(mc); - memset(mpc, '\0', sizeof(*mpc)); - mpc->mpc_type = MP_LINTSRC; - mpc->mpc_irqtype = irqtype; - mpc->mpc_irqflag = irqflag; - mpc->mpc_srcbusid = srcbusid; - mpc->mpc_srcbusirq = srcbusirq; - mpc->mpc_destapic = destapic; - mpc->mpc_destapiclint = destapiclint; - smp_add_mpc_entry(mc, sizeof(*mpc)); -} - -/* - * Type 128: System Address Space Mapping Entries - * Entry Type, Entry Length, Bus ID, Address Type, - * Address Base Lo/Hi, Address Length Lo/Hi - */ -void smp_write_address_space(struct mp_config_table *mc, - u8 busid, u8 address_type, - u32 address_base_low, u32 address_base_high, - u32 address_length_low, u32 address_length_high) -{ - struct mp_exten_system_address_space *mpe; - mpe = smp_next_mpe_entry(mc); - memset(mpe, '\0', sizeof(*mpe)); - mpe->mpe_type = MPE_SYSTEM_ADDRESS_SPACE; - mpe->mpe_length = sizeof(*mpe); - mpe->mpe_busid = busid; - mpe->mpe_address_type = address_type; - mpe->mpe_address_base_low = address_base_low; - mpe->mpe_address_base_high = address_base_high; - mpe->mpe_address_length_low = address_length_low; - mpe->mpe_address_length_high = address_length_high; - smp_add_mpe_entry(mc, (mpe_t)mpe); -} - -/* - * Type 129: Bus Hierarchy Descriptor Entry - * Entry Type, Entry Length, Bus ID, Bus Info, - * Parent Bus ID - */ -void smp_write_bus_hierarchy(struct mp_config_table *mc, - u8 busid, u8 bus_info, u8 parent_busid) -{ - struct mp_exten_bus_hierarchy *mpe; - mpe = smp_next_mpe_entry(mc); - memset(mpe, '\0', sizeof(*mpe)); - mpe->mpe_type = MPE_BUS_HIERARCHY; - mpe->mpe_length = sizeof(*mpe); - mpe->mpe_busid = busid; - mpe->mpe_bus_info = bus_info; - mpe->mpe_parent_busid = parent_busid; - smp_add_mpe_entry(mc, (mpe_t)mpe); -} - -/* - * Type 130: Compatibility Bus Address Space Modifier Entry - * Entry Type, Entry Length, Bus ID, Address Modifier - * Predefined Range List - */ -void smp_write_compatibility_address_space(struct mp_config_table *mc, - u8 busid, u8 address_modifier, - u32 range_list) -{ - struct mp_exten_compatibility_address_space *mpe; - mpe = smp_next_mpe_entry(mc); - memset(mpe, '\0', sizeof(*mpe)); - mpe->mpe_type = MPE_COMPATIBILITY_ADDRESS_SPACE; - mpe->mpe_length = sizeof(*mpe); - mpe->mpe_busid = busid; - mpe->mpe_address_modifier = address_modifier; - mpe->mpe_range_list = range_list; - smp_add_mpe_entry(mc, (mpe_t)mpe); -} - -void mptable_lintsrc(struct mp_config_table *mc, unsigned long bus_isa) -{ - smp_write_lintsrc(mc, mp_ExtINT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0x0, MP_APIC_ALL, 0x0); - smp_write_lintsrc(mc, mp_NMI, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0x0, MP_APIC_ALL, 0x1); -} - -void mptable_add_isa_interrupts(struct mp_config_table *mc, unsigned long bus_isa, unsigned long apicid, int external_int2) -{ -/*I/O Ints: Type Trigger Polarity Bus ID IRQ APIC ID PIN# */ - smp_write_intsrc(mc, external_int2?mp_INT:mp_ExtINT, - MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0x0, apicid, 0x0); - smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0x1, apicid, 0x1); - smp_write_intsrc(mc, external_int2?mp_ExtINT:mp_INT, - MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0x0, apicid, 0x2); - smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0x3, apicid, 0x3); - smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0x4, apicid, 0x4); - smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0x6, apicid, 0x6); - smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0x7, apicid, 0x7); - smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0x8, apicid, 0x8); - smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0x9, apicid, 0x9); - smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0xa, apicid, 0xa); - smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0xb, apicid, 0xb); - smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0xc, apicid, 0xc); - smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0xd, apicid, 0xd); - smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0xe, apicid, 0xe); - smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0xf, apicid, 0xf); -} - -void mptable_write_buses(struct mp_config_table *mc, int *max_pci_bus, int *isa_bus) { - int dummy, i, highest; - char buses[256]; - struct device *dev; - - if (!max_pci_bus) max_pci_bus = &dummy; - if (!isa_bus) isa_bus = &dummy; - - *max_pci_bus = 0; - highest = 0; - memset(buses, 0, sizeof(buses)); - - for (dev = all_devices; dev; dev = dev->next) { - struct bus *bus; - for (bus = dev->link_list; bus; bus = bus->next) { - if (bus->secondary > 255) { - printk(BIOS_ERR, "A bus claims to have a bus ID > 255?!? Aborting"); - return; - } - buses[bus->secondary] = 1; - if (highest < bus->secondary) highest = bus->secondary; - } - } - for (i=0; i <= highest; i++) { - if (buses[i]) { - smp_write_bus(mc, i, "PCI "); - *max_pci_bus = i; - } - } - *isa_bus = *max_pci_bus + 1; - smp_write_bus(mc, *isa_bus, "ISA "); -} - -void *mptable_finalize(struct mp_config_table *mc) -{ - mc->mpe_checksum = smp_compute_checksum(smp_next_mpc_entry(mc), mc->mpe_length); - mc->mpc_checksum = smp_compute_checksum(mc, mc->mpc_length); - printk(BIOS_DEBUG, "Wrote the mp table end at: %p - %p\n", mc, smp_next_mpe_entry(mc)); - return smp_next_mpe_entry(mc); -} - -unsigned long __attribute__((weak)) write_smp_table(unsigned long addr) -{ - struct drivers_generic_ioapic_config *ioapic_config; - struct mp_config_table *mc; - int isa_bus, pin, parentpin; - struct device *dev; - struct device *parent; - struct device *oldparent; - void *tmp, *v; - int isaioapic = -1, have_fixed_entries; - - v = smp_write_floating_table(addr, 0); - mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN); - - mptable_init(mc, LOCAL_APIC_ADDR); - - smp_write_processors(mc); - - mptable_write_buses(mc, NULL, &isa_bus); - - for(dev = all_devices; dev; dev = dev->next) { - if (dev->path.type != DEVICE_PATH_IOAPIC) - continue; - - if (!(ioapic_config = dev->chip_info)) { - printk(BIOS_ERR, "%s has no config, ignoring\n", dev_path(dev)); - continue; - } - smp_write_ioapic(mc, dev->path.ioapic.ioapic_id, - ioapic_config->version, - ioapic_config->base); - - if (ioapic_config->have_isa_interrupts) { - if (isaioapic >= 0) - printk(BIOS_ERR, "More than one IOAPIC with ISA interrupts?\n"); - else - isaioapic = dev->path.ioapic.ioapic_id; - } - } - - if (isaioapic >= 0) { - /* Legacy Interrupts */ - printk(BIOS_DEBUG, "Writing ISA IRQs\n"); - mptable_add_isa_interrupts(mc, isa_bus, isaioapic, 0); - } - - for(dev = all_devices; dev; dev = dev->next) { - - if (dev->path.type != DEVICE_PATH_PCI || !dev->enabled) - continue; - - have_fixed_entries = 0; - for (pin = 0; pin < 4; pin++) { - if (dev->pci_irq_info[pin].ioapic_dst_id) { - printk(BIOS_DEBUG, "fixed IRQ entry for: %s: INT%c# -> IOAPIC %d PIN %d\n", dev_path(dev), - pin + 'A', - dev->pci_irq_info[pin].ioapic_dst_id, - dev->pci_irq_info[pin].ioapic_irq_pin); - smp_write_intsrc(mc, mp_INT, - dev->pci_irq_info[pin].ioapic_flags, - dev->bus->secondary, - ((dev->path.pci.devfn & 0xf8) >> 1) | pin, - dev->pci_irq_info[pin].ioapic_dst_id, - dev->pci_irq_info[pin].ioapic_irq_pin); - have_fixed_entries = 1; - } - } - - if (!have_fixed_entries) { - pin = (dev->path.pci.devfn & 7) % 4; - oldparent = parent = dev; - while((parent = parent->bus->dev)) { - parentpin = (oldparent->path.pci.devfn >> 3) + (oldparent->path.pci.devfn & 7); - parentpin += dev->path.pci.devfn & 7; - parentpin += dev->path.pci.devfn >> 3; - parentpin %= 4; - - if (parent->pci_irq_info[parentpin].ioapic_dst_id) { - printk(BIOS_DEBUG, "automatic IRQ entry for %s: INT%c# -> IOAPIC %d PIN %d\n", - dev_path(dev), pin + 'A', - parent->pci_irq_info[parentpin].ioapic_dst_id, - parent->pci_irq_info[parentpin].ioapic_irq_pin); - smp_write_intsrc(mc, mp_INT, - parent->pci_irq_info[parentpin].ioapic_flags, - dev->bus->secondary, - ((dev->path.pci.devfn & 0xf8) >> 1) | pin, - parent->pci_irq_info[parentpin].ioapic_dst_id, - parent->pci_irq_info[parentpin].ioapic_irq_pin); - - break; - } - - if (parent->path.type == DEVICE_PATH_DOMAIN) { - printk(BIOS_WARNING, "no IRQ found for %s\n", dev_path(dev)); - break; - } - oldparent = parent; - } - } - } - - mptable_lintsrc(mc, isa_bus); - tmp = mptable_finalize(mc); - printk(BIOS_INFO, "MPTABLE len: %d\n", (unsigned int)((uintptr_t)tmp - - (uintptr_t)v)); - return (unsigned long)tmp; -} |