leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

x86: Unify i386 and x86-64 early quirks

Browse Source 
They were already very similar; just use the same file now.

[ tglx: arch/x86 adaptation ]

Cc: lenb@kernel.org
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Andi Kleen 2007-10-19 20:35:03 +02:00 committed by Thomas Gleixner
parent 158ad3260b
commit 54ef34009a
9 changed files with 20 additions and 103 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
arch/x86/kernel/Makefile_32
View File

@ -17,6 +17,7 @@ obj-$(CONFIG_MCA) += mca_32.o
obj-$(CONFIG_X86_MSR) += msr.o
obj-$(CONFIG_X86_CPUID) += cpuid.o
obj-$(CONFIG_MICROCODE) += microcode.o
obj-$(CONFIG_PCI) += early-quirks.o
obj-$(CONFIG_APM) += apm_32.o
obj-$(CONFIG_X86_SMP) += smp_32.o smpboot_32.o tsc_sync.o
obj-$(CONFIG_SMP) += smpcommon_32.o

2
arch/x86/kernel/Makefile_64
View File

@ -39,7 +39,7 @@ obj-$(CONFIG_K8_NB) += k8.o
obj-$(CONFIG_AUDIT) += audit_64.o
obj-$(CONFIG_MODULES) += module_64.o
obj-$(CONFIG_PCI) += early-quirks_64.o
obj-$(CONFIG_PCI) += early-quirks.o
obj-y += topology.o
obj-y += intel_cacheinfo.o

3
arch/x86/kernel/acpi/Makefile_32
View File

@ -1,7 +1,4 @@
obj-$(CONFIG_ACPI) += boot.o
ifneq ($(CONFIG_PCI),)
obj-$(CONFIG_X86_IO_APIC) += earlyquirk_32.o
endif
obj-$(CONFIG_ACPI_SLEEP) += sleep_32.o wakeup_32.o
ifneq ($(CONFIG_ACPI_PROCESSOR),)

84
arch/x86/kernel/acpi/earlyquirk_32.c
View File

@ -1,84 +0,0 @@
/*
* Do early PCI probing for bug detection when the main PCI subsystem is
* not up yet.
*/
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/pci.h>
#include <linux/acpi.h>
#include <asm/pci-direct.h>
#include <asm/acpi.h>
#include <asm/apic.h>
#ifdef CONFIG_ACPI
static int __init nvidia_hpet_check(struct acpi_table_header *header)
{
return 0;
}
#endif
static int __init check_bridge(int vendor, int device)
{
#ifdef CONFIG_ACPI
static int warned;
/* According to Nvidia all timer overrides are bogus unless HPET
is enabled. */
if (!acpi_use_timer_override && vendor == PCI_VENDOR_ID_NVIDIA) {
if (!warned && acpi_table_parse(ACPI_SIG_HPET,
nvidia_hpet_check)) {
warned = 1;
acpi_skip_timer_override = 1;
printk(KERN_INFO "Nvidia board "
"detected. Ignoring ACPI "
"timer override.\n");
printk(KERN_INFO "If you got timer trouble "
"try acpi_use_timer_override\n");
}
}
#endif
if (vendor == PCI_VENDOR_ID_ATI && timer_over_8254 == 1) {
timer_over_8254 = 0;
printk(KERN_INFO "ATI board detected. Disabling timer routing "
"over 8254.\n");
}
return 0;
}
void __init check_acpi_pci(void)
{
int num, slot, func;
/* Assume the machine supports type 1. If not it will
always read ffffffff and should not have any side effect.
Actually a few buggy systems can machine check. Allow the user
to disable it by command line option at least -AK */
if (!early_pci_allowed())
return;
/* Poor man's PCI discovery */
for (num = 0; num < 32; num++) {
for (slot = 0; slot < 32; slot++) {
for (func = 0; func < 8; func++) {
u32 class;
u32 vendor;
class = read_pci_config(num, slot, func,
PCI_CLASS_REVISION);
if (class == 0xffffffff)
break;
if ((class >> 16) != PCI_CLASS_BRIDGE_PCI)
continue;
vendor = read_pci_config(num, slot, func,
PCI_VENDOR_ID);
if (check_bridge(vendor & 0xffff, vendor >> 16))
return;
}
}
}
}

19
arch/x86/kernel/early-quirks_64.c → arch/x86/kernel/early-quirks.c
View File

@ -13,9 +13,13 @@
#include <linux/acpi.h>
#include <linux/pci_ids.h>
#include <asm/pci-direct.h>
#include <asm/proto.h>
#include <asm/iommu.h>
#include <asm/dma.h>
#include <asm/io_apic.h>
#include <asm/apic.h>
#ifdef CONFIG_IOMMU
#include <asm/iommu.h>
#endif
static void __init via_bugs(void)
{
@ -23,7 +27,8 @@ static void __init via_bugs(void)
if ((end_pfn > MAX_DMA32_PFN || force_iommu) &&
!iommu_aperture_allowed) {
printk(KERN_INFO
"Looks like a VIA chipset. Disabling IOMMU. Override with iommu=allowed\n");
"Looks like a VIA chipset. Disabling IOMMU."
" Override with iommu=allowed\n");
iommu_aperture_disabled = 1;
}
#endif
@ -40,6 +45,7 @@ static int __init nvidia_hpet_check(struct acpi_table_header *header)
static void __init nvidia_bugs(void)
{
#ifdef CONFIG_ACPI
#ifdef CONFIG_X86_IO_APIC
/*
* All timer overrides on Nvidia are
* wrong unless HPET is enabled.
@ -58,6 +64,7 @@ static void __init nvidia_bugs(void)
printk(KERN_INFO "If you got timer trouble "
"try acpi_use_timer_override\n");
}
#endif
#endif
/* RED-PEN skip them on mptables too? */
@ -65,11 +72,13 @@ static void __init nvidia_bugs(void)
static void __init ati_bugs(void)
{
#ifdef CONFIG_X86_IO_APIC
if (timer_over_8254 == 1) {
timer_over_8254 = 0;
printk(KERN_INFO
"ATI board detected. Disabling timer routing over 8254.\n");
"ATI board detected. Disabling timer routing over 8254.\n");
}
#endif
}
struct chipset {
@ -104,7 +113,7 @@ void __init early_quirks(void)
if (class == 0xffffffff)
break;
if ((class >> 16) != PCI_CLASS_BRIDGE_PCI)
if ((class >> 16) != PCI_CLASS_BRIDGE_PCI)
continue;
vendor = read_pci_config(num, slot, func,

4
arch/x86/kernel/setup_32.c
View File

@ -622,9 +622,7 @@ void __init setup_arch(char **cmdline_p)
#endif
#ifdef CONFIG_PCI
#ifdef CONFIG_X86_IO_APIC
check_acpi_pci(); /* Checks more than just ACPI actually */
#endif
early_quirks();
#endif
#ifdef CONFIG_ACPI

6
include/asm-x86/acpi_32.h
View File

@ -81,11 +81,7 @@ int __acpi_release_global_lock(unsigned int *lock);
:"=r"(n_hi), "=r"(n_lo) \
:"0"(n_hi), "1"(n_lo))
#ifdef CONFIG_X86_IO_APIC
extern void check_acpi_pci(void);
#else
static inline void check_acpi_pci(void) { }
#endif
extern void early_quirks(void);
#ifdef CONFIG_ACPI
extern int acpi_lapic;

2
include/asm-x86/io_apic_64.h
View File

@ -133,4 +133,6 @@ void enable_NMI_through_LVT0 (void * dummy);
extern spinlock_t i8259A_lock;
extern int timer_over_8254;
#endif

2
include/asm-x86/proto.h
View File

@ -83,8 +83,6 @@ extern unsigned tsc_khz;
extern int reboot_force;
extern int notsc_setup(char *);
extern int timer_over_8254;
extern int gsi_irq_sharing(int gsi);
extern int force_mwait;