int nr_ioapic_registers[MAX_IO_APICS];
/* I/O APIC entries */
-struct mpc_config_ioapic mp_ioapics[MAX_IO_APICS];
+struct mp_config_ioapic mp_ioapics[MAX_IO_APICS];
int nr_ioapics;
+/* MP IRQ source entries */
+struct mp_config_intsrc mp_irqs[MAX_IRQ_SOURCES];
+
+/* # of MP IRQ source entries */
+int mp_irq_entries;
+
+#if defined (CONFIG_MCA) || defined (CONFIG_EISA)
+int mp_bus_id_to_type[MAX_MP_BUSSES];
+#endif
+
+DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES);
+
static int disable_timer_pin_1 __initdata;
/*
static __attribute_const__ struct io_apic __iomem *io_apic_base(int idx)
{
return (void __iomem *) __fix_to_virt(FIX_IO_APIC_BASE_0 + idx)
- + (mp_ioapics[idx].mpc_apicaddr & ~PAGE_MASK);
+ + (mp_ioapics[idx].mp_apicaddr & ~PAGE_MASK);
}
static inline unsigned int io_apic_read(unsigned int apic, unsigned int reg)
int i;
for (i = 0; i < mp_irq_entries; i++)
- if (mp_irqs[i].mpc_irqtype == type &&
- (mp_irqs[i].mpc_dstapic == mp_ioapics[apic].mpc_apicid ||
- mp_irqs[i].mpc_dstapic == MP_APIC_ALL) &&
- mp_irqs[i].mpc_dstirq == pin)
+ if (mp_irqs[i].mp_irqtype == type &&
+ (mp_irqs[i].mp_dstapic == mp_ioapics[apic].mp_apicid ||
+ mp_irqs[i].mp_dstapic == MP_APIC_ALL) &&
+ mp_irqs[i].mp_dstirq == pin)
return i;
return -1;
int i;
for (i = 0; i < mp_irq_entries; i++) {
- int lbus = mp_irqs[i].mpc_srcbus;
+ int lbus = mp_irqs[i].mp_srcbus;
if (test_bit(lbus, mp_bus_not_pci) &&
- (mp_irqs[i].mpc_irqtype == type) &&
- (mp_irqs[i].mpc_srcbusirq == irq))
+ (mp_irqs[i].mp_irqtype == type) &&
+ (mp_irqs[i].mp_srcbusirq == irq))
- return mp_irqs[i].mpc_dstirq;
+ return mp_irqs[i].mp_dstirq;
}
return -1;
}
int i;
for (i = 0; i < mp_irq_entries; i++) {
- int lbus = mp_irqs[i].mpc_srcbus;
+ int lbus = mp_irqs[i].mp_srcbus;
if (test_bit(lbus, mp_bus_not_pci) &&
- (mp_irqs[i].mpc_irqtype == type) &&
- (mp_irqs[i].mpc_srcbusirq == irq))
+ (mp_irqs[i].mp_irqtype == type) &&
+ (mp_irqs[i].mp_srcbusirq == irq))
break;
}
if (i < mp_irq_entries) {
int apic;
for(apic = 0; apic < nr_ioapics; apic++) {
- if (mp_ioapics[apic].mpc_apicid == mp_irqs[i].mpc_dstapic)
+ if (mp_ioapics[apic].mp_apicid == mp_irqs[i].mp_dstapic)
return apic;
}
}
apic_printk(APIC_DEBUG, "querying PCI -> IRQ mapping bus:%d, "
"slot:%d, pin:%d.\n", bus, slot, pin);
- if (mp_bus_id_to_pci_bus[bus] == -1) {
+ if (test_bit(bus, mp_bus_not_pci)) {
printk(KERN_WARNING "PCI BIOS passed nonexistent PCI bus %d!\n", bus);
return -1;
}
for (i = 0; i < mp_irq_entries; i++) {
- int lbus = mp_irqs[i].mpc_srcbus;
+ int lbus = mp_irqs[i].mp_srcbus;
for (apic = 0; apic < nr_ioapics; apic++)
- if (mp_ioapics[apic].mpc_apicid == mp_irqs[i].mpc_dstapic ||
- mp_irqs[i].mpc_dstapic == MP_APIC_ALL)
+ if (mp_ioapics[apic].mp_apicid == mp_irqs[i].mp_dstapic ||
+ mp_irqs[i].mp_dstapic == MP_APIC_ALL)
break;
if (!test_bit(lbus, mp_bus_not_pci) &&
- !mp_irqs[i].mpc_irqtype &&
+ !mp_irqs[i].mp_irqtype &&
(bus == lbus) &&
- (slot == ((mp_irqs[i].mpc_srcbusirq >> 2) & 0x1f))) {
- int irq = pin_2_irq(i,apic,mp_irqs[i].mpc_dstirq);
+ (slot == ((mp_irqs[i].mp_srcbusirq >> 2) & 0x1f))) {
+ int irq = pin_2_irq(i,apic,mp_irqs[i].mp_dstirq);
if (!(apic || IO_APIC_IRQ(irq)))
continue;
- if (pin == (mp_irqs[i].mpc_srcbusirq & 3))
+ if (pin == (mp_irqs[i].mp_srcbusirq & 3))
return irq;
/*
* Use the first all-but-pin matching entry as a
* EISA conforming in the MP table, that means its trigger type must
* be read in from the ELCR */
-#define default_EISA_trigger(idx) (EISA_ELCR(mp_irqs[idx].mpc_srcbusirq))
+#define default_EISA_trigger(idx) (EISA_ELCR(mp_irqs[idx].mp_srcbusirq))
#define default_EISA_polarity(idx) default_ISA_polarity(idx)
/* PCI interrupts are always polarity one level triggered,
static int MPBIOS_polarity(int idx)
{
- int bus = mp_irqs[idx].mpc_srcbus;
+ int bus = mp_irqs[idx].mp_srcbus;
int polarity;
/*
* Determine IRQ line polarity (high active or low active):
*/
- switch (mp_irqs[idx].mpc_irqflag & 3)
+ switch (mp_irqs[idx].mp_irqflag & 3)
{
case 0: /* conforms, ie. bus-type dependent polarity */
{
static int MPBIOS_trigger(int idx)
{
- int bus = mp_irqs[idx].mpc_srcbus;
+ int bus = mp_irqs[idx].mp_srcbus;
int trigger;
/*
* Determine IRQ trigger mode (edge or level sensitive):
*/
- switch ((mp_irqs[idx].mpc_irqflag>>2) & 3)
+ switch ((mp_irqs[idx].mp_irqflag>>2) & 3)
{
case 0: /* conforms, ie. bus-type dependent */
{
static int pin_2_irq(int idx, int apic, int pin)
{
int irq, i;
- int bus = mp_irqs[idx].mpc_srcbus;
+ int bus = mp_irqs[idx].mp_srcbus;
/*
* Debugging check, we are in big trouble if this message pops up!
*/
- if (mp_irqs[idx].mpc_dstirq != pin)
+ if (mp_irqs[idx].mp_dstirq != pin)
printk(KERN_ERR "broken BIOS or MPTABLE parser, ayiee!!\n");
if (test_bit(bus, mp_bus_not_pci))
- irq = mp_irqs[idx].mpc_srcbusirq;
+ irq = mp_irqs[idx].mp_srcbusirq;
else {
/*
* PCI IRQs are mapped in order
{
struct IO_APIC_route_entry entry;
int apic, pin, idx, irq, first_notcon = 1, vector;
- unsigned long flags;
apic_printk(APIC_VERBOSE, KERN_DEBUG "init IO_APIC IRQs\n");
if (first_notcon) {
apic_printk(APIC_VERBOSE, KERN_DEBUG
" IO-APIC (apicid-pin) %d-%d",
- mp_ioapics[apic].mpc_apicid,
+ mp_ioapics[apic].mp_apicid,
pin);
first_notcon = 0;
} else
apic_printk(APIC_VERBOSE, ", %d-%d",
- mp_ioapics[apic].mpc_apicid, pin);
+ mp_ioapics[apic].mp_apicid, pin);
continue;
}
if (!apic && (irq < 16))
disable_8259A_irq(irq);
}
- spin_lock_irqsave(&ioapic_lock, flags);
- __ioapic_write_entry(apic, pin, entry);
- spin_unlock_irqrestore(&ioapic_lock, flags);
+ ioapic_write_entry(apic, pin, entry);
}
}
printk(KERN_DEBUG "number of MP IRQ sources: %d.\n", mp_irq_entries);
for (i = 0; i < nr_ioapics; i++)
printk(KERN_DEBUG "number of IO-APIC #%d registers: %d.\n",
- mp_ioapics[i].mpc_apicid, nr_ioapic_registers[i]);
+ mp_ioapics[i].mp_apicid, nr_ioapic_registers[i]);
/*
* We are a bit conservative about what we expect. We have to
reg_03.raw = io_apic_read(apic, 3);
spin_unlock_irqrestore(&ioapic_lock, flags);
- printk(KERN_DEBUG "IO APIC #%d......\n", mp_ioapics[apic].mpc_apicid);
+ printk(KERN_DEBUG "IO APIC #%d......\n", mp_ioapics[apic].mp_apicid);
printk(KERN_DEBUG ".... register #00: %08X\n", reg_00.raw);
printk(KERN_DEBUG "....... : physical APIC id: %02X\n", reg_00.bits.ID);
printk(KERN_DEBUG "....... : Delivery Type: %X\n", reg_00.bits.delivery_type);
* by Matt Domsch <Matt_Domsch@dell.com> Tue Dec 21 12:25:05 CST 1999
*/
-#ifndef CONFIG_X86_NUMAQ
static void __init setup_ioapic_ids_from_mpc(void)
{
union IO_APIC_reg_00 reg_00;
unsigned char old_id;
unsigned long flags;
+#ifdef CONFIG_X86_NUMAQ
+ if (found_numaq)
+ return;
+#endif
+
/*
* Don't check I/O APIC IDs for xAPIC systems. They have
* no meaning without the serial APIC bus.
reg_00.raw = io_apic_read(apic, 0);
spin_unlock_irqrestore(&ioapic_lock, flags);
- old_id = mp_ioapics[apic].mpc_apicid;
+ old_id = mp_ioapics[apic].mp_apicid;
- if (mp_ioapics[apic].mpc_apicid >= get_physical_broadcast()) {
+ if (mp_ioapics[apic].mp_apicid >= get_physical_broadcast()) {
printk(KERN_ERR "BIOS bug, IO-APIC#%d ID is %d in the MPC table!...\n",
- apic, mp_ioapics[apic].mpc_apicid);
+ apic, mp_ioapics[apic].mp_apicid);
printk(KERN_ERR "... fixing up to %d. (tell your hw vendor)\n",
reg_00.bits.ID);
- mp_ioapics[apic].mpc_apicid = reg_00.bits.ID;
+ mp_ioapics[apic].mp_apicid = reg_00.bits.ID;
}
/*
* 'stuck on smp_invalidate_needed IPI wait' messages.
*/
if (check_apicid_used(phys_id_present_map,
- mp_ioapics[apic].mpc_apicid)) {
+ mp_ioapics[apic].mp_apicid)) {
printk(KERN_ERR "BIOS bug, IO-APIC#%d ID %d is already used!...\n",
- apic, mp_ioapics[apic].mpc_apicid);
+ apic, mp_ioapics[apic].mp_apicid);
for (i = 0; i < get_physical_broadcast(); i++)
if (!physid_isset(i, phys_id_present_map))
break;
printk(KERN_ERR "... fixing up to %d. (tell your hw vendor)\n",
i);
physid_set(i, phys_id_present_map);
- mp_ioapics[apic].mpc_apicid = i;
+ mp_ioapics[apic].mp_apicid = i;
} else {
physid_mask_t tmp;
- tmp = apicid_to_cpu_present(mp_ioapics[apic].mpc_apicid);
+ tmp = apicid_to_cpu_present(mp_ioapics[apic].mp_apicid);
apic_printk(APIC_VERBOSE, "Setting %d in the "
"phys_id_present_map\n",
- mp_ioapics[apic].mpc_apicid);
+ mp_ioapics[apic].mp_apicid);
physids_or(phys_id_present_map, phys_id_present_map, tmp);
}
* We need to adjust the IRQ routing table
* if the ID changed.
*/
- if (old_id != mp_ioapics[apic].mpc_apicid)
+ if (old_id != mp_ioapics[apic].mp_apicid)
for (i = 0; i < mp_irq_entries; i++)
- if (mp_irqs[i].mpc_dstapic == old_id)
- mp_irqs[i].mpc_dstapic
- = mp_ioapics[apic].mpc_apicid;
+ if (mp_irqs[i].mp_dstapic == old_id)
+ mp_irqs[i].mp_dstapic
+ = mp_ioapics[apic].mp_apicid;
/*
* Read the right value from the MPC table and
*/
apic_printk(APIC_VERBOSE, KERN_INFO
"...changing IO-APIC physical APIC ID to %d ...",
- mp_ioapics[apic].mpc_apicid);
+ mp_ioapics[apic].mp_apicid);
- reg_00.bits.ID = mp_ioapics[apic].mpc_apicid;
+ reg_00.bits.ID = mp_ioapics[apic].mp_apicid;
spin_lock_irqsave(&ioapic_lock, flags);
io_apic_write(apic, 0, reg_00.raw);
spin_unlock_irqrestore(&ioapic_lock, flags);
spin_lock_irqsave(&ioapic_lock, flags);
reg_00.raw = io_apic_read(apic, 0);
spin_unlock_irqrestore(&ioapic_lock, flags);
- if (reg_00.bits.ID != mp_ioapics[apic].mpc_apicid)
+ if (reg_00.bits.ID != mp_ioapics[apic].mp_apicid)
printk("could not set ID!\n");
else
apic_printk(APIC_VERBOSE, " ok.\n");
}
}
-#else
-static void __init setup_ioapic_ids_from_mpc(void) { }
-#endif
int no_timer_check __initdata;
* 0x80, because int 0x80 is hm, kind of importantish. ;)
*/
for (irq = 0; irq < NR_IRQS ; irq++) {
- int tmp = irq;
- if (IO_APIC_IRQ(tmp) && !irq_vector[tmp]) {
+ if (IO_APIC_IRQ(irq) && !irq_vector[irq]) {
/*
* Hmm.. We don't have an entry for this,
* so default to an old-fashioned 8259
* cycles as some i82489DX-based boards have glue logic that keeps the
* 8259A interrupt line asserted until INTA. --macro
*/
-static inline void unlock_ExtINT_logic(void)
+static inline void __init unlock_ExtINT_logic(void)
{
int apic, pin, i;
struct IO_APIC_route_entry entry0, entry1;
{
int apic1, pin1, apic2, pin2;
int vector;
- unsigned int ver;
unsigned long flags;
local_irq_save(flags);
- ver = apic_read(APIC_LVR);
- ver = GET_APIC_VERSION(ver);
-
/*
* get/set the timer IRQ vector:
*/
* mode for the 8259A whenever interrupts are routed
* through I/O APICs. Also IRQ0 has to be enabled in
* the 8259A which implies the virtual wire has to be
- * disabled in the local APIC. Finally timer interrupts
- * need to be acknowledged manually in the 8259A for
- * timer_interrupt() and for the i82489DX when using
- * the NMI watchdog.
+ * disabled in the local APIC.
*/
apic_write_around(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_EXTINT);
init_8259A(1);
- timer_ack = !cpu_has_tsc;
- timer_ack |= (nmi_watchdog == NMI_IO_APIC && !APIC_INTEGRATED(ver));
+ timer_ack = 1;
if (timer_over_8254 > 0)
enable_8259A_irq(0);
spin_lock_irqsave(&ioapic_lock, flags);
reg_00.raw = io_apic_read(dev->id, 0);
- if (reg_00.bits.ID != mp_ioapics[dev->id].mpc_apicid) {
- reg_00.bits.ID = mp_ioapics[dev->id].mpc_apicid;
+ if (reg_00.bits.ID != mp_ioapics[dev->id].mp_apicid) {
+ reg_00.bits.ID = mp_ioapics[dev->id].mp_apicid;
io_apic_write(dev->id, 0, reg_00.raw);
}
spin_unlock_irqrestore(&ioapic_lock, flags);
dynamic_irq_cleanup(irq);
spin_lock_irqsave(&vector_lock, flags);
+ clear_bit(irq_vector[irq], used_vectors);
irq_vector[irq] = 0;
spin_unlock_irqrestore(&vector_lock, flags);
}
int io_apic_set_pci_routing (int ioapic, int pin, int irq, int edge_level, int active_high_low)
{
struct IO_APIC_route_entry entry;
- unsigned long flags;
if (!IO_APIC_IRQ(irq)) {
printk(KERN_ERR "IOAPIC[%d]: Invalid reference to IRQ 0\n",
apic_printk(APIC_DEBUG, KERN_DEBUG "IOAPIC[%d]: Set PCI routing entry "
"(%d-%d -> 0x%x -> IRQ %d Mode:%i Active:%i)\n", ioapic,
- mp_ioapics[ioapic].mpc_apicid, pin, entry.vector, irq,
+ mp_ioapics[ioapic].mp_apicid, pin, entry.vector, irq,
edge_level, active_high_low);
ioapic_register_intr(irq, entry.vector, edge_level);
if (!ioapic && (irq < 16))
disable_8259A_irq(irq);
- spin_lock_irqsave(&ioapic_lock, flags);
- __ioapic_write_entry(ioapic, pin, entry);
- spin_unlock_irqrestore(&ioapic_lock, flags);
+ ioapic_write_entry(ioapic, pin, entry);
return 0;
}
return -1;
for (i = 0; i < mp_irq_entries; i++)
- if (mp_irqs[i].mpc_irqtype == mp_INT &&
- mp_irqs[i].mpc_srcbusirq == bus_irq)
+ if (mp_irqs[i].mp_irqtype == mp_INT &&
+ mp_irqs[i].mp_srcbusirq == bus_irq)
break;
if (i >= mp_irq_entries)
return -1;
projects / linux-2.6 / blobdiff