Commit 183b7750 authored by Len Brown's avatar Len Brown Committed by Len Brown

[ACPI] share i386/kernel/acpi/boot.c with x86_64

parent def3074d
...@@ -35,11 +35,21 @@ ...@@ -35,11 +35,21 @@
#include <asm/irq.h> #include <asm/irq.h>
#include <asm/mpspec.h> #include <asm/mpspec.h>
#ifdef CONFIG_X86_64
static inline void acpi_madt_oem_check(char *oem_id, char *oem_table_id) { }
static inline void clustered_apic_check(void) { }
static inline int ioapic_setup_disabled(void) { return 0; }
#include <asm/proto.h>
#else /* X86 */
#ifdef CONFIG_X86_LOCAL_APIC #ifdef CONFIG_X86_LOCAL_APIC
#include <mach_apic.h> #include <mach_apic.h>
#include <mach_mpparse.h> #include <mach_mpparse.h>
#include <asm/io_apic.h> #endif /* CONFIG_X86_LOCAL_APIC */
#endif
#endif /* X86 */
#define PREFIX "ACPI: " #define PREFIX "ACPI: "
...@@ -67,6 +77,22 @@ static u64 acpi_lapic_addr __initdata = APIC_DEFAULT_PHYS_BASE; ...@@ -67,6 +77,22 @@ static u64 acpi_lapic_addr __initdata = APIC_DEFAULT_PHYS_BASE;
*/ */
enum acpi_irq_model_id acpi_irq_model = ACPI_IRQ_MODEL_PIC; enum acpi_irq_model_id acpi_irq_model = ACPI_IRQ_MODEL_PIC;
#ifdef CONFIG_X86_64
/* rely on all ACPI tables being in the direct mapping */
char *__acpi_map_table(unsigned long phys_addr, unsigned long size)
{
if (!phys_addr || !size)
return NULL;
if (phys_addr < (end_pfn_map << PAGE_SHIFT))
return __va(phys_addr);
return NULL;
}
#else
/* /*
* Temporarily use the virtual area starting from FIX_IO_APIC_BASE_END, * Temporarily use the virtual area starting from FIX_IO_APIC_BASE_END,
* to map the target physical address. The problem is that set_fixmap() * to map the target physical address. The problem is that set_fixmap()
...@@ -106,7 +132,7 @@ char *__acpi_map_table(unsigned long phys, unsigned long size) ...@@ -106,7 +132,7 @@ char *__acpi_map_table(unsigned long phys, unsigned long size)
return ((unsigned char *) base + offset); return ((unsigned char *) base + offset);
} }
#endif
#ifdef CONFIG_PCI_MMCONFIG #ifdef CONFIG_PCI_MMCONFIG
static int __init acpi_parse_mcfg(unsigned long phys_addr, unsigned long size) static int __init acpi_parse_mcfg(unsigned long phys_addr, unsigned long size)
...@@ -432,7 +458,6 @@ static int __init acpi_parse_sbf(unsigned long phys_addr, unsigned long size) ...@@ -432,7 +458,6 @@ static int __init acpi_parse_sbf(unsigned long phys_addr, unsigned long size)
#ifdef CONFIG_HPET_TIMER #ifdef CONFIG_HPET_TIMER
extern unsigned long hpet_address;
static int __init acpi_parse_hpet(unsigned long phys, unsigned long size) static int __init acpi_parse_hpet(unsigned long phys, unsigned long size)
{ {
...@@ -453,16 +478,31 @@ static int __init acpi_parse_hpet(unsigned long phys, unsigned long size) ...@@ -453,16 +478,31 @@ static int __init acpi_parse_hpet(unsigned long phys, unsigned long size)
return -1; return -1;
} }
#ifdef CONFIG_X86_64
vxtime.hpet_address = hpet_tbl->addr.addrl |
((long) hpet_tbl->addr.addrh << 32);
printk(KERN_INFO PREFIX "HPET id: %#x base: %#lx\n",
hpet_tbl->id, vxtime.hpet_address);
#else /* X86 */
{
extern unsigned long hpet_address;
hpet_address = hpet_tbl->addr.addrl; hpet_address = hpet_tbl->addr.addrl;
printk(KERN_INFO PREFIX "HPET id: %#x base: %#lx\n", hpet_tbl->id, printk(KERN_INFO PREFIX "HPET id: %#x base: %#lx\n",
hpet_address); hpet_tbl->id, hpet_address);
}
#endif /* X86 */
return 0; return 0;
} }
#else #else
#define acpi_parse_hpet NULL #define acpi_parse_hpet NULL
#endif #endif
#ifdef CONFIG_X86_PM_TIMER
extern u32 pmtmr_ioport; extern u32 pmtmr_ioport;
#endif
static int __init acpi_parse_fadt(unsigned long phys, unsigned long size) static int __init acpi_parse_fadt(unsigned long phys, unsigned long size)
{ {
...@@ -589,7 +629,7 @@ acpi_parse_madt_ioapic_entries(void) ...@@ -589,7 +629,7 @@ acpi_parse_madt_ioapic_entries(void)
/* /*
* if "noapic" boot option, don't look for IO-APICs * if "noapic" boot option, don't look for IO-APICs
*/ */
if (ioapic_setup_disabled()) { if (skip_ioapic_setup) {
printk(KERN_INFO PREFIX "Skipping IOAPIC probe " printk(KERN_INFO PREFIX "Skipping IOAPIC probe "
"due to 'noapic' option.\n"); "due to 'noapic' option.\n");
return -ENODEV; return -ENODEV;
......
...@@ -11,7 +11,7 @@ obj-y := process.o semaphore.o signal.o entry.o traps.o irq.o \ ...@@ -11,7 +11,7 @@ obj-y := process.o semaphore.o signal.o entry.o traps.o irq.o \
obj-y += mce.o obj-y += mce.o
obj-$(CONFIG_MTRR) += ../../i386/kernel/cpu/mtrr/ obj-$(CONFIG_MTRR) += ../../i386/kernel/cpu/mtrr/
obj-$(CONFIG_ACPI) += acpi/ obj-$(CONFIG_ACPI_BOOT) += acpi/
obj-$(CONFIG_X86_MSR) += msr.o obj-$(CONFIG_X86_MSR) += msr.o
obj-$(CONFIG_MICROCODE) += microcode.o obj-$(CONFIG_MICROCODE) += microcode.o
obj-$(CONFIG_X86_CPUID) += cpuid.o obj-$(CONFIG_X86_CPUID) += cpuid.o
......
obj-$(CONFIG_ACPI_BOOT) := boot.o obj-$(CONFIG_ACPI_BOOT) := boot.o
boot-$(CONFIG_ACPI_BOOT) := ../../../i386/kernel/acpi/boot.o
obj-$(CONFIG_ACPI_SLEEP) += sleep.o wakeup.o obj-$(CONFIG_ACPI_SLEEP) += sleep.o wakeup.o
...@@ -890,69 +890,6 @@ void __init mp_config_acpi_legacy_irqs (void) ...@@ -890,69 +890,6 @@ void __init mp_config_acpi_legacy_irqs (void)
extern FADT_DESCRIPTOR acpi_fadt; extern FADT_DESCRIPTOR acpi_fadt;
void __init mp_config_ioapic_for_sci(int irq)
{
int ioapic;
int ioapic_pin;
struct acpi_table_madt *madt;
struct acpi_table_int_src_ovr *entry = NULL;
acpi_interrupt_flags flags;
void *madt_end;
acpi_status status;
/*
* Ensure that if there is an interrupt source override entry
* for the ACPI SCI, we leave it as is. Unfortunately this involves
* walking the MADT again.
*/
status = acpi_get_firmware_table("APIC", 1, ACPI_LOGICAL_ADDRESSING,
(struct acpi_table_header **) &madt);
if (ACPI_SUCCESS(status)) {
madt_end = (void *) (unsigned long)madt + madt->header.length;
entry = (struct acpi_table_int_src_ovr *)
((unsigned long) madt + sizeof(struct acpi_table_madt));
while ((void *) entry < madt_end) {
if (entry->header.type == ACPI_MADT_INT_SRC_OVR &&
acpi_fadt.sci_int == entry->bus_irq)
goto found;
entry = (struct acpi_table_int_src_ovr *)
((unsigned long) entry + entry->header.length);
}
}
/*
* Although the ACPI spec says that the SCI should be level/low
* don't reprogram it unless there is an explicit MADT OVR entry
* instructing us to do so -- otherwise we break Tyan boards which
* have the SCI wired edge/high but no MADT OVR.
*/
return;
found:
/*
* See the note at the end of ACPI 2.0b section
* 5.2.10.8 for what this is about.
*/
flags = entry->flags;
acpi_fadt.sci_int = entry->global_irq;
irq = entry->global_irq;
ioapic = mp_find_ioapic(irq);
ioapic_pin = irq - mp_ioapic_routing[ioapic].irq_start;
/*
* MPS INTI flags:
* trigger: 0=default, 1=edge, 3=level
* polarity: 0=default, 1=high, 3=low
* Per ACPI spec, default for SCI means level/low.
*/
io_apic_set_pci_routing(ioapic, ioapic_pin, irq,
(flags.trigger == 1 ? 0 : 1), (flags.polarity == 1 ? 0 : 1));
}
#ifdef CONFIG_ACPI_PCI #ifdef CONFIG_ACPI_PCI
void __init mp_parse_prt (void) void __init mp_parse_prt (void)
......
...@@ -68,6 +68,7 @@ int acpi_disabled = 0; ...@@ -68,6 +68,7 @@ int acpi_disabled = 0;
#ifdef CONFIG_ACPI_BOOT #ifdef CONFIG_ACPI_BOOT
extern int __initdata acpi_ht; extern int __initdata acpi_ht;
extern acpi_interrupt_flags acpi_sci_flags;
/* int __initdata acpi_force = 0; */ /* int __initdata acpi_force = 0; */
#endif #endif
...@@ -229,6 +230,17 @@ static __init void parse_cmdline_early (char ** cmdline_p) ...@@ -229,6 +230,17 @@ static __init void parse_cmdline_early (char ** cmdline_p)
if (!memcmp(from, "acpi=ht", 7)) { if (!memcmp(from, "acpi=ht", 7)) {
acpi_ht = 1; acpi_ht = 1;
} }
else if (!memcmp(from, "pci=noacpi", 10))
acpi_noirq_set();
else if (!memcmp(from, "acpi_sci=edge", 13))
acpi_sci_flags.trigger = 1;
else if (!memcmp(from, "acpi_sci=level", 14))
acpi_sci_flags.trigger = 3;
else if (!memcmp(from, "acpi_sci=high", 13))
acpi_sci_flags.polarity = 1;
else if (!memcmp(from, "acpi_sci=low", 12))
acpi_sci_flags.polarity = 3;
#endif #endif
if (!memcmp(from, "nolapic", 7) || if (!memcmp(from, "nolapic", 7) ||
......
...@@ -255,6 +255,7 @@ config X86_PM_TIMER ...@@ -255,6 +255,7 @@ config X86_PM_TIMER
bool "Power Management Timer Support" bool "Power Management Timer Support"
depends on X86 && ACPI depends on X86 && ACPI
depends on ACPI_BOOT && EXPERIMENTAL depends on ACPI_BOOT && EXPERIMENTAL
depends on !X86_64
default n default n
help help
The Power Management Timer is available on all ACPI-capable, The Power Management Timer is available on all ACPI-capable,
......
...@@ -39,9 +39,7 @@ ...@@ -39,9 +39,7 @@
#define _COMPONENT ACPI_BUS_COMPONENT #define _COMPONENT ACPI_BUS_COMPONENT
ACPI_MODULE_NAME ("acpi_bus") ACPI_MODULE_NAME ("acpi_bus")
#ifdef CONFIG_X86_64 #ifdef CONFIG_X86
extern void __init acpi_pic_sci_set_trigger(unsigned int irq);
#elif defined(CONFIG_X86)
extern void __init acpi_pic_sci_set_trigger(unsigned int irq, u16 trigger); extern void __init acpi_pic_sci_set_trigger(unsigned int irq, u16 trigger);
#endif #endif
...@@ -613,13 +611,8 @@ acpi_bus_init (void) ...@@ -613,13 +611,8 @@ acpi_bus_init (void)
printk(KERN_ERR PREFIX "Unable to get the FADT\n"); printk(KERN_ERR PREFIX "Unable to get the FADT\n");
goto error1; goto error1;
} }
#ifdef CONFIG_X86_64
/* Ensure the SCI is set to level-triggered, active-low */ #ifdef CONFIG_X86
if (acpi_ioapic)
mp_config_ioapic_for_sci(acpi_fadt.sci_int);
else
acpi_pic_sci_set_trigger(acpi_fadt.sci_int);
#elif defined(CONFIG_X86)
if (!acpi_ioapic) { if (!acpi_ioapic) {
extern acpi_interrupt_flags acpi_sci_flags; extern acpi_interrupt_flags acpi_sci_flags;
/* Set PIC-mode SCI trigger type */ /* Set PIC-mode SCI trigger type */
......
...@@ -193,8 +193,6 @@ extern void mp_parse_prt (void); ...@@ -193,8 +193,6 @@ extern void mp_parse_prt (void);
#endif /*CONFIG_X86_IO_APIC*/ #endif /*CONFIG_X86_IO_APIC*/
#endif #endif
extern void mp_config_ioapic_for_sci(int irq);
extern int using_apic_timer; extern int using_apic_timer;
#define PHYSID_ARRAY_SIZE BITS_TO_LONGS(MAX_APICS) #define PHYSID_ARRAY_SIZE BITS_TO_LONGS(MAX_APICS)
......
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