#include <linux/htirq.h>
#include <linux/freezer.h>
#include <linux/kthread.h>
+#include <linux/jiffies.h> /* time_after() */
#include <asm/io.h>
#include <asm/smp.h>
#include <mach_apic.h>
#include <mach_apicdef.h>
-#include "io_ports.h"
-
int (*ioapic_renumber_irq)(int ioapic, int irq);
atomic_t irq_mis_count;
*/
int nr_ioapic_registers[MAX_IO_APICS];
+/* I/O APIC entries */
+struct mpc_config_ioapic mp_ioapics[MAX_IO_APICS];
+int nr_ioapics;
+
+/* MP IRQ source entries */
+struct mpc_config_intsrc mp_irqs[MAX_IRQ_SOURCES];
+
+/* # of MP IRQ source entries */
+int mp_irq_entries;
+
static int disable_timer_pin_1 __initdata;
/*
# include <asm/processor.h> /* kernel_thread() */
# include <linux/kernel_stat.h> /* kstat */
# include <linux/slab.h> /* kmalloc() */
-# include <linux/timer.h> /* time_after() */
+# include <linux/timer.h>
#define IRQBALANCE_CHECK_ARCH -999
#define MAX_BALANCED_IRQ_INTERVAL (5*HZ)
#endif /* CONFIG_SMP */
#ifndef CONFIG_SMP
-void fastcall send_IPI_self(int vector)
+void send_IPI_self(int vector)
{
unsigned int cfg;
for (i = 0; i < mp_irq_entries; i++) {
int lbus = mp_irqs[i].mpc_srcbus;
- if ((mp_bus_id_to_type[lbus] == MP_BUS_ISA ||
- mp_bus_id_to_type[lbus] == MP_BUS_EISA ||
- mp_bus_id_to_type[lbus] == MP_BUS_MCA
- ) &&
+ if (test_bit(lbus, mp_bus_not_pci) &&
(mp_irqs[i].mpc_irqtype == type) &&
(mp_irqs[i].mpc_srcbusirq == irq))
for (i = 0; i < mp_irq_entries; i++) {
int lbus = mp_irqs[i].mpc_srcbus;
- if ((mp_bus_id_to_type[lbus] == MP_BUS_ISA ||
- mp_bus_id_to_type[lbus] == MP_BUS_EISA ||
- mp_bus_id_to_type[lbus] == MP_BUS_MCA
- ) &&
+ if (test_bit(lbus, mp_bus_not_pci) &&
(mp_irqs[i].mpc_irqtype == type) &&
(mp_irqs[i].mpc_srcbusirq == irq))
break;
mp_irqs[i].mpc_dstapic == MP_APIC_ALL)
break;
- if ((mp_bus_id_to_type[lbus] == MP_BUS_PCI) &&
+ if (!test_bit(lbus, mp_bus_not_pci) &&
!mp_irqs[i].mpc_irqtype &&
(bus == lbus) &&
(slot == ((mp_irqs[i].mpc_srcbusirq >> 2) & 0x1f))) {
}
#endif
+#if defined(CONFIG_EISA) || defined(CONFIG_MCA)
/*
* EISA Edge/Level control register, ELCR
*/
"Broken MPtable reports ISA irq %d\n", irq);
return 0;
}
+#endif
+
+/* ISA interrupts are always polarity zero edge triggered,
+ * when listed as conforming in the MP table. */
+
+#define default_ISA_trigger(idx) (0)
+#define default_ISA_polarity(idx) (0)
/* EISA interrupts are always polarity zero and can be edge or level
* trigger depending on the ELCR value. If an interrupt is listed as
* be read in from the ELCR */
#define default_EISA_trigger(idx) (EISA_ELCR(mp_irqs[idx].mpc_srcbusirq))
-#define default_EISA_polarity(idx) (0)
-
-/* ISA interrupts are always polarity zero edge triggered,
- * when listed as conforming in the MP table. */
-
-#define default_ISA_trigger(idx) (0)
-#define default_ISA_polarity(idx) (0)
+#define default_EISA_polarity(idx) default_ISA_polarity(idx)
/* PCI interrupts are always polarity one level triggered,
* when listed as conforming in the MP table. */
* when listed as conforming in the MP table. */
#define default_MCA_trigger(idx) (1)
-#define default_MCA_polarity(idx) (0)
+#define default_MCA_polarity(idx) default_ISA_polarity(idx)
static int MPBIOS_polarity(int idx)
{
{
case 0: /* conforms, ie. bus-type dependent polarity */
{
- switch (mp_bus_id_to_type[bus])
- {
- case MP_BUS_ISA: /* ISA pin */
- {
- polarity = default_ISA_polarity(idx);
- break;
- }
- case MP_BUS_EISA: /* EISA pin */
- {
- polarity = default_EISA_polarity(idx);
- break;
- }
- case MP_BUS_PCI: /* PCI pin */
- {
- polarity = default_PCI_polarity(idx);
- break;
- }
- case MP_BUS_MCA: /* MCA pin */
- {
- polarity = default_MCA_polarity(idx);
- break;
- }
- default:
- {
- printk(KERN_WARNING "broken BIOS!!\n");
- polarity = 1;
- break;
- }
- }
+ polarity = test_bit(bus, mp_bus_not_pci)?
+ default_ISA_polarity(idx):
+ default_PCI_polarity(idx);
break;
}
case 1: /* high active */
{
case 0: /* conforms, ie. bus-type dependent */
{
+ trigger = test_bit(bus, mp_bus_not_pci)?
+ default_ISA_trigger(idx):
+ default_PCI_trigger(idx);
+#if defined(CONFIG_EISA) || defined(CONFIG_MCA)
switch (mp_bus_id_to_type[bus])
{
case MP_BUS_ISA: /* ISA pin */
{
- trigger = default_ISA_trigger(idx);
+ /* set before the switch */
break;
}
case MP_BUS_EISA: /* EISA pin */
}
case MP_BUS_PCI: /* PCI pin */
{
- trigger = default_PCI_trigger(idx);
+ /* set before the switch */
break;
}
case MP_BUS_MCA: /* MCA pin */
break;
}
}
+#endif
break;
}
case 1: /* edge */
if (mp_irqs[idx].mpc_dstirq != pin)
printk(KERN_ERR "broken BIOS or MPTABLE parser, ayiee!!\n");
- switch (mp_bus_id_to_type[bus])
- {
- case MP_BUS_ISA: /* ISA pin */
- case MP_BUS_EISA:
- case MP_BUS_MCA:
- {
- irq = mp_irqs[idx].mpc_srcbusirq;
- break;
- }
- case MP_BUS_PCI: /* PCI pin */
- {
- /*
- * PCI IRQs are mapped in order
- */
- i = irq = 0;
- while (i < apic)
- irq += nr_ioapic_registers[i++];
- irq += pin;
-
- /*
- * For MPS mode, so far only needed by ES7000 platform
- */
- if (ioapic_renumber_irq)
- irq = ioapic_renumber_irq(apic, irq);
+ if (test_bit(bus, mp_bus_not_pci))
+ irq = mp_irqs[idx].mpc_srcbusirq;
+ else {
+ /*
+ * PCI IRQs are mapped in order
+ */
+ i = irq = 0;
+ while (i < apic)
+ irq += nr_ioapic_registers[i++];
+ irq += pin;
- break;
- }
- default:
- {
- printk(KERN_ERR "unknown bus type %d.\n",bus);
- irq = 0;
- break;
- }
+ /*
+ * For MPS mode, so far only needed by ES7000 platform
+ */
+ if (ioapic_renumber_irq)
+ irq = ioapic_renumber_irq(apic, irq);
}
/*
{
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 (!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("\n" KERN_DEBUG "printing local APIC contents on CPU#%d/%d:\n",
smp_processor_id(), hard_smp_processor_id());
- v = apic_read(APIC_ID);
- printk(KERN_INFO "... APIC ID: %08x (%01x)\n", v, GET_APIC_ID(v));
+ printk(KERN_INFO "... APIC ID: %08x (%01x)\n", v,
+ GET_APIC_ID(read_apic_id()));
v = apic_read(APIC_LVR);
printk(KERN_INFO "... APIC VERSION: %08x\n", v);
ver = GET_APIC_VERSION(v);
entry.delivery_mode = dest_ExtINT; /* ExtInt */
entry.vector = 0;
entry.dest.physical.physical_dest =
- GET_APIC_ID(apic_read(APIC_ID));
+ GET_APIC_ID(read_apic_id());
/*
* Add it to the IO-APIC irq-routing table:
* might have cached one ExtINT interrupt. Finally, at
* least one tick may be lost due to delays.
*/
- if (jiffies - t1 > 4)
+ if (time_after(jiffies, t1 + 4))
return 1;
return 0;
* 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
.eoi = ack_apic,
};
-static void setup_nmi (void)
+static void __init setup_nmi(void)
{
/*
* Dirty trick to enable the NMI watchdog ...
*/
apic_printk(APIC_VERBOSE, KERN_INFO "activating NMI Watchdog ...");
- on_each_cpu(enable_NMI_through_LVT0, NULL, 1, 1);
+ enable_NMI_through_LVT0();
apic_printk(APIC_VERBOSE, " done.\n");
}
* 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;
ioapic_write_entry(apic, pin, entry0);
}
-int timer_uses_ioapic_pin_0;
-
/*
* This code may look a bit paranoid, but it's supposed to cooperate with
* a wide range of boards and BIOS bugs. Fortunately only the timer IRQ
pin2 = ioapic_i8259.pin;
apic2 = ioapic_i8259.apic;
- if (pin1 == 0)
- timer_uses_ioapic_pin_0 = 1;
-
printk(KERN_INFO "..TIMER: vector=0x%02X apic1=%d pin1=%d apic2=%d pin2=%d\n",
vector, apic1, pin1, apic2, pin2);
}
static struct sysdev_class ioapic_sysdev_class = {
- set_kset_name("ioapic"),
+ .name = "ioapic",
.suspend = ioapic_suspend,
.resume = ioapic_resume,
};
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",
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;
}
git.samba.org / sfrench / cifs-2.6.git / blobdiff