aboutsummaryrefslogtreecommitdiffstats
path: root/arch/x86_64/kernel/i8259.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86_64/kernel/i8259.c')
-rw-r--r--arch/x86_64/kernel/i8259.c40
1 files changed, 20 insertions, 20 deletions
diff --git a/arch/x86_64/kernel/i8259.c b/arch/x86_64/kernel/i8259.c
index 103517d9f8e6..45d85630196a 100644
--- a/arch/x86_64/kernel/i8259.c
+++ b/arch/x86_64/kernel/i8259.c
@@ -299,7 +299,7 @@ void init_8259A(int auto_eoi)
299 * outb_p - this has to work on a wide range of PC hardware. 299 * outb_p - this has to work on a wide range of PC hardware.
300 */ 300 */
301 outb_p(0x11, 0x20); /* ICW1: select 8259A-1 init */ 301 outb_p(0x11, 0x20); /* ICW1: select 8259A-1 init */
302 outb_p(0x20 + 0, 0x21); /* ICW2: 8259A-1 IR0-7 mapped to 0x20-0x27 */ 302 outb_p(IRQ0_VECTOR, 0x21); /* ICW2: 8259A-1 IR0-7 mapped to 0x20-0x27 */
303 outb_p(0x04, 0x21); /* 8259A-1 (the master) has a slave on IR2 */ 303 outb_p(0x04, 0x21); /* 8259A-1 (the master) has a slave on IR2 */
304 if (auto_eoi) 304 if (auto_eoi)
305 outb_p(0x03, 0x21); /* master does Auto EOI */ 305 outb_p(0x03, 0x21); /* master does Auto EOI */
@@ -307,7 +307,7 @@ void init_8259A(int auto_eoi)
307 outb_p(0x01, 0x21); /* master expects normal EOI */ 307 outb_p(0x01, 0x21); /* master expects normal EOI */
308 308
309 outb_p(0x11, 0xA0); /* ICW1: select 8259A-2 init */ 309 outb_p(0x11, 0xA0); /* ICW1: select 8259A-2 init */
310 outb_p(0x20 + 8, 0xA1); /* ICW2: 8259A-2 IR0-7 mapped to 0x28-0x2f */ 310 outb_p(IRQ8_VECTOR, 0xA1); /* ICW2: 8259A-2 IR0-7 mapped to 0x28-0x2f */
311 outb_p(0x02, 0xA1); /* 8259A-2 is a slave on master's IR2 */ 311 outb_p(0x02, 0xA1); /* 8259A-2 is a slave on master's IR2 */
312 outb_p(0x01, 0xA1); /* (slave's support for AEOI in flat mode 312 outb_p(0x01, 0xA1); /* (slave's support for AEOI in flat mode
313 is to be investigated) */ 313 is to be investigated) */
@@ -398,24 +398,24 @@ device_initcall(i8259A_init_sysfs);
398 398
399static struct irqaction irq2 = { no_action, 0, CPU_MASK_NONE, "cascade", NULL, NULL}; 399static struct irqaction irq2 = { no_action, 0, CPU_MASK_NONE, "cascade", NULL, NULL};
400DEFINE_PER_CPU(vector_irq_t, vector_irq) = { 400DEFINE_PER_CPU(vector_irq_t, vector_irq) = {
401 [0 ... FIRST_EXTERNAL_VECTOR - 1] = -1, 401 [0 ... IRQ0_VECTOR - 1] = -1,
402 [FIRST_EXTERNAL_VECTOR + 0] = 0, 402 [IRQ0_VECTOR] = 0,
403 [FIRST_EXTERNAL_VECTOR + 1] = 1, 403 [IRQ1_VECTOR] = 1,
404 [FIRST_EXTERNAL_VECTOR + 2] = 2, 404 [IRQ2_VECTOR] = 2,
405 [FIRST_EXTERNAL_VECTOR + 3] = 3, 405 [IRQ3_VECTOR] = 3,
406 [FIRST_EXTERNAL_VECTOR + 4] = 4, 406 [IRQ4_VECTOR] = 4,
407 [FIRST_EXTERNAL_VECTOR + 5] = 5, 407 [IRQ5_VECTOR] = 5,
408 [FIRST_EXTERNAL_VECTOR + 6] = 6, 408 [IRQ6_VECTOR] = 6,
409 [FIRST_EXTERNAL_VECTOR + 7] = 7, 409 [IRQ7_VECTOR] = 7,
410 [FIRST_EXTERNAL_VECTOR + 8] = 8, 410 [IRQ8_VECTOR] = 8,
411 [FIRST_EXTERNAL_VECTOR + 9] = 9, 411 [IRQ9_VECTOR] = 9,
412 [FIRST_EXTERNAL_VECTOR + 10] = 10, 412 [IRQ10_VECTOR] = 10,
413 [FIRST_EXTERNAL_VECTOR + 11] = 11, 413 [IRQ11_VECTOR] = 11,
414 [FIRST_EXTERNAL_VECTOR + 12] = 12, 414 [IRQ12_VECTOR] = 12,
415 [FIRST_EXTERNAL_VECTOR + 13] = 13, 415 [IRQ13_VECTOR] = 13,
416 [FIRST_EXTERNAL_VECTOR + 14] = 14, 416 [IRQ14_VECTOR] = 14,
417 [FIRST_EXTERNAL_VECTOR + 15] = 15, 417 [IRQ15_VECTOR] = 15,
418 [FIRST_EXTERNAL_VECTOR + 16 ... NR_VECTORS - 1] = -1 418 [IRQ15_VECTOR + 1 ... NR_VECTORS - 1] = -1
419}; 419};
420 420
421void __init init_ISA_irqs (void) 421void __init init_ISA_irqs (void)