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raspberrypi-kernel
提交 2fddb6e2 编写于 作者: A Alexey Starikovskiy 提交者： Thomas Gleixner
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x86: make config_irqsrc not MPspec specific 

Signed-off-by: NAlexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: NIngo Molnar <mingo@elte.hu>
上级 ec2cd0a2
隐藏空白更改
内联 并排
Showing with 100 addition and 85 deletion
arch/x86/kernel/acpi/boot.c
浏览文件 @ 2fddb6e2
......@@ -969,14 +969,14 @@ void __init mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger, u32 gsi)
if ((bus_irq == 0) && (trigger == 3))
trigger = 1;
mp_irqs[mp_irq_entries].mpc_type = MP_INTSRC;
mp_irqs[mp_irq_entries].mpc_irqtype = mp_INT;
mp_irqs[mp_irq_entries].mpc_irqflag = (trigger << 2) | polarity;
mp_irqs[mp_irq_entries].mpc_srcbus = MP_ISA_BUS;
mp_irqs[mp_irq_entries].mpc_srcbusirq = bus_irq; /* IRQ */
mp_irqs[mp_irq_entries].mpc_dstapic =
mp_irqs[mp_irq_entries].mp_type = MP_INTSRC;
mp_irqs[mp_irq_entries].mp_irqtype = mp_INT;
mp_irqs[mp_irq_entries].mp_irqflag = (trigger << 2) | polarity;
mp_irqs[mp_irq_entries].mp_srcbus = MP_ISA_BUS;
mp_irqs[mp_irq_entries].mp_srcbusirq = bus_irq; /* IRQ */
mp_irqs[mp_irq_entries].mp_dstapic =
mp_ioapics[ioapic].mp_apicid; /* APIC ID */
mp_irqs[mp_irq_entries].mpc_dstirq = pin; /* INTIN# */
mp_irqs[mp_irq_entries].mp_dstirq = pin; /* INTIN# */
if (++mp_irq_entries == MAX_IRQ_SOURCES)
panic("Max # of irq sources exceeded!!\n");
......@@ -1012,12 +1012,11 @@ void __init mp_config_acpi_legacy_irqs(void)
if (ioapic < 0)
return;
mp_irqs[mp_irq_entries].mpc_type = MP_INTSRC;
mp_irqs[mp_irq_entries].mpc_irqflag = 0; /* Conforming */
mp_irqs[mp_irq_entries].mpc_srcbus = MP_ISA_BUS;
#ifdef CONFIG_X86_IO_APIC
mp_irqs[mp_irq_entries].mpc_dstapic = mp_ioapics[ioapic].mp_apicid;
#endif
mp_irqs[mp_irq_entries].mp_type = MP_INTSRC;
mp_irqs[mp_irq_entries].mp_irqflag = 0; /* Conforming */
mp_irqs[mp_irq_entries].mp_srcbus = MP_ISA_BUS;
mp_irqs[mp_irq_entries].mp_dstapic = mp_ioapics[ioapic].mp_apicid;
/*
* Use the default configuration for the IRQs 0-15. Unless
* overridden by (MADT) interrupt source override entries.
......@@ -1026,17 +1025,17 @@ void __init mp_config_acpi_legacy_irqs(void)
int idx;
for (idx = 0; idx < mp_irq_entries; idx++) {
struct mpc_config_intsrc *irq = mp_irqs + idx;
struct mp_config_intsrc *irq = mp_irqs + idx;
/* Do we already have a mapping for this ISA IRQ? */
if (irq->mpc_srcbus == MP_ISA_BUS
&& irq->mpc_srcbusirq == i)
if (irq->mp_srcbus == MP_ISA_BUS
&& irq->mp_srcbusirq == i)
break;
/* Do we already have a mapping for this IOAPIC pin */
if ((irq->mpc_dstapic ==
mp_irqs[mp_irq_entries].mpc_dstapic) &&
(irq->mpc_dstirq == i))
if ((irq->mp_dstapic ==
mp_irqs[mp_irq_entries].mp_dstapic) &&
(irq->mp_dstirq == i))
break;
}
......@@ -1045,9 +1044,9 @@ void __init mp_config_acpi_legacy_irqs(void)
continue; /* IRQ already used */
}
mp_irqs[mp_irq_entries].mpc_irqtype = mp_INT;
mp_irqs[mp_irq_entries].mpc_srcbusirq = i; /* Identity mapped */
mp_irqs[mp_irq_entries].mpc_dstirq = i;
mp_irqs[mp_irq_entries].mp_irqtype = mp_INT;
mp_irqs[mp_irq_entries].mp_srcbusirq = i; /* Identity mapped */
mp_irqs[mp_irq_entries].mp_dstirq = i;
if (++mp_irq_entries == MAX_IRQ_SOURCES)
panic("Max # of irq sources exceeded!!\n");
......
arch/x86/kernel/io_apic_32.c
浏览文件 @ 2fddb6e2
......@@ -76,7 +76,7 @@ struct mp_config_ioapic mp_ioapics[MAX_IO_APICS];
int nr_ioapics;
/* MP IRQ source entries */
struct mpc_config_intsrc mp_irqs[MAX_IRQ_SOURCES];
struct mp_config_intsrc mp_irqs[MAX_IRQ_SOURCES];
/* # of MP IRQ source entries */
int mp_irq_entries;
......@@ -801,10 +801,10 @@ static int find_irq_entry(int apic, int pin, int type)
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].mp_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;
......@@ -818,13 +818,13 @@ static int __init find_isa_irq_pin(int irq, int type)
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;
}
......@@ -834,17 +834,17 @@ static int __init find_isa_irq_apic(int irq, int type)
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].mp_apicid == mp_irqs[i].mpc_dstapic)
if (mp_ioapics[apic].mp_apicid == mp_irqs[i].mp_dstapic)
return apic;
}
}
......@@ -869,23 +869,23 @@ int IO_APIC_get_PCI_irq_vector(int bus, int slot, int pin)
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].mp_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
......@@ -952,7 +952,7 @@ static int EISA_ELCR(unsigned int irq)
* 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,
......@@ -969,13 +969,13 @@ static int EISA_ELCR(unsigned int irq)
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 */
{
......@@ -1012,13 +1012,13 @@ static int MPBIOS_polarity(int idx)
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 */
{
......@@ -1097,16 +1097,16 @@ static inline int irq_trigger(int idx)
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
......@@ -1793,8 +1793,8 @@ static void __init setup_ioapic_ids_from_mpc(void)
*/
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
if (mp_irqs[i].mp_dstapic == old_id)
mp_irqs[i].mp_dstapic
= mp_ioapics[apic].mp_apicid;
/*
......@@ -2810,8 +2810,8 @@ int acpi_get_override_irq(int bus_irq, int *trigger, int *polarity)
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;
......
arch/x86/kernel/io_apic_64.c
浏览文件 @ 2fddb6e2
......@@ -108,7 +108,7 @@ struct mp_config_ioapic mp_ioapics[MAX_IO_APICS];
int nr_ioapics;
/* MP IRQ source entries */
struct mpc_config_intsrc mp_irqs[MAX_IRQ_SOURCES];
struct mp_config_intsrc mp_irqs[MAX_IRQ_SOURCES];
/* # of MP IRQ source entries */
int mp_irq_entries;
......@@ -453,10 +453,10 @@ static int find_irq_entry(int apic, int pin, int type)
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].mp_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;
......@@ -470,13 +470,13 @@ static int __init find_isa_irq_pin(int irq, int type)
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;
}
......@@ -486,17 +486,17 @@ static int __init find_isa_irq_apic(int irq, int type)
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].mp_apicid == mp_irqs[i].mpc_dstapic)
if (mp_ioapics[apic].mp_apicid == mp_irqs[i].mp_dstapic)
return apic;
}
}
......@@ -521,23 +521,23 @@ int IO_APIC_get_PCI_irq_vector(int bus, int slot, int pin)
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].mp_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
......@@ -565,13 +565,13 @@ int IO_APIC_get_PCI_irq_vector(int bus, int slot, int pin)
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 */
if (test_bit(bus, mp_bus_not_pci))
......@@ -607,13 +607,13 @@ static int MPBIOS_polarity(int idx)
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 */
if (test_bit(bus, mp_bus_not_pci))
......@@ -660,16 +660,16 @@ static inline int irq_trigger(int idx)
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
......@@ -2242,8 +2242,8 @@ int acpi_get_override_irq(int bus_irq, int *trigger, int *polarity)
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;
......
arch/x86/kernel/mpparse.c
浏览文件 @ 2fddb6e2
......@@ -186,12 +186,18 @@ static void __init MP_ioapic_info(struct mpc_config_ioapic *m)
static void __init MP_intsrc_info(struct mpc_config_intsrc *m)
{
mp_irqs[mp_irq_entries] = *m;
printk(KERN_INFO "Int: type %d, pol %d, trig %d, bus %02x,"
" IRQ %02x, APIC ID %x, APIC INT %02x\n",
m->mpc_irqtype, m->mpc_irqflag & 3,
(m->mpc_irqflag >> 2) & 3, m->mpc_srcbus,
m->mpc_srcbusirq, m->mpc_dstapic, m->mpc_dstirq);
mp_irqs[mp_irq_entries].mp_dstapic = m->mpc_dstapic;
mp_irqs[mp_irq_entries].mp_type = m->mpc_type;
mp_irqs[mp_irq_entries].mp_irqtype = m->mpc_irqtype;
mp_irqs[mp_irq_entries].mp_irqflag = m->mpc_irqflag;
mp_irqs[mp_irq_entries].mp_srcbus = m->mpc_srcbus;
mp_irqs[mp_irq_entries].mp_srcbusirq = m->mpc_srcbusirq;
mp_irqs[mp_irq_entries].mp_dstirq = m->mpc_dstirq;
if (++mp_irq_entries == MAX_IRQ_SOURCES)
panic("Max # of irq sources exceeded!!\n");
}
......
include/asm-x86/io_apic.h
浏览文件 @ 2fddb6e2
......@@ -120,6 +120,16 @@ struct mp_config_ioapic {
unsigned char mp_flags;
};
struct mp_config_intsrc {
unsigned int mp_dstapic;
unsigned char mp_type;
unsigned char mp_irqtype;
unsigned short mp_irqflag;
unsigned char mp_srcbus;
unsigned char mp_srcbusirq;
unsigned char mp_dstirq;
};
/* I/O APIC entries */
extern struct mp_config_ioapic mp_ioapics[MAX_IO_APICS];
......@@ -127,7 +137,7 @@ extern struct mp_config_ioapic mp_ioapics[MAX_IO_APICS];
extern int mp_irq_entries;
/* MP IRQ source entries */
extern struct mpc_config_intsrc mp_irqs[MAX_IRQ_SOURCES];
extern struct mp_config_intsrc mp_irqs[MAX_IRQ_SOURCES];
/* non-0 if default (table-less) MP configuration */
extern int mpc_default_type;
......
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