#ifdef CONFIG_X86_64
static inline void acpi_madt_oem_check(char *oem_id, char *oem_table_id) { }
-extern void __init clustered_apic_check(void);
+static inline void clustered_apic_check(void) { }
static inline int ioapic_setup_disabled(void) { return 0; }
#include <asm/proto.h>
void __init
acpi_pic_sci_set_trigger(unsigned int irq, u16 trigger)
{
- unsigned int mask = 1 << irq;
- unsigned int old, new;
+ unsigned char mask = 1 << (irq & 7);
+ unsigned int port = 0x4d0 + (irq >> 3);
+ unsigned char val = inb(port);
- /* Real old ELCR mask */
- old = inb(0x4d0) | (inb(0x4d1) << 8);
+
+ printk(PREFIX "IRQ%d SCI:", irq);
+ if (!(val & mask)) {
+ printk(" Edge");
- /*
- * If we use ACPI to set PCI irq's, then we should clear ELCR
- * since we will set it correctly as we enable the PCI irq
- * routing.
- */
- new = acpi_noirq ? old : 0;
+ if (trigger == 3) {
+ printk(" set to Level");
+ outb(val | mask, port);
+ }
+ } else {
+ printk(" Level");
- /*
- * Update SCI information in the ELCR, it isn't in the PCI
- * routing tables..
- */
- switch (trigger) {
- case 1: /* Edge - clear */
- new &= ~mask;
- break;
- case 3: /* Level - set */
- new |= mask;
- break;
+ if (trigger == 1) {
+ printk(" set to Edge");
+ outb(val & ~mask, port);
+ }
}
-
- if (old == new)
- return;
-
- printk(PREFIX "setting ELCR to %04x (from %04x)\n", new, old);
- outb(new, 0x4d0);
- outb(new >> 8, 0x4d1);
+ printk(" Trigger.\n");
}
unsigned int acpi_register_gsi(u32 gsi, int edge_level, int active_high_low)
{
unsigned int irq;
- unsigned int plat_gsi = gsi;
#ifdef CONFIG_PCI
/*
* Make sure all (legacy) PCI IRQs are set as level-triggered.
*/
if (acpi_irq_model == ACPI_IRQ_MODEL_PIC) {
+ static u16 irq_mask;
extern void eisa_set_level_irq(unsigned int irq);
- if (edge_level == ACPI_LEVEL_SENSITIVE)
+ if (edge_level == ACPI_LEVEL_SENSITIVE) {
+ if ((gsi < 16) && !((1 << gsi) & irq_mask)) {
+ Dprintk(KERN_DEBUG PREFIX "Setting GSI %u as level-triggered\n", gsi);
+ irq_mask |= (1 << gsi);
eisa_set_level_irq(gsi);
+ }
+ }
}
#endif
#ifdef CONFIG_X86_IO_APIC
if (acpi_irq_model == ACPI_IRQ_MODEL_IOAPIC) {
- plat_gsi = mp_register_gsi(gsi, edge_level, active_high_low);
+ mp_register_gsi(gsi, edge_level, active_high_low);
}
#endif
- acpi_gsi_to_irq(plat_gsi, &irq);
+ acpi_gsi_to_irq(gsi, &irq);
return irq;
}
EXPORT_SYMBOL(acpi_register_gsi);
int count, error;
count = acpi_table_parse(ACPI_APIC, acpi_parse_madt);
- if (count >= 1) {
+ if (count == 1) {
/*
* Parse MADT LAPIC entries
return error;
}
-#ifdef __i386__
- check_acpi_pci();
-#endif
-
acpi_table_parse(ACPI_BOOT, acpi_parse_sbf);
/*