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authorStefan Reinauer <stefan.reinauer@coreboot.org>2015-07-13 09:39:15 +0200
committerStefan Reinauer <stefan.reinauer@coreboot.org>2015-07-13 21:04:56 +0200
commit6cb3a59fd5e754c3627b79db21c5bcc284bfd721 (patch)
treee83db5b11ee4a29d496dcf2798d024b6b8455ab7 /src/arch/x86/boot/mpspec.c
parent9693885ad88d21ead7bd9ebc32f3e4901841b18b (diff)
downloadcoreboot-staging-4.1.zip
coreboot-staging-4.1.tar.gz
x86: flatten hierarchy4.14.1
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.c597
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 1a0ac31..0000000
--- 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;
-}
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