void __init arch_init_irq(void)
{
int i;
/* Init local mask --> irq tables. */
for (i = 0; i < 256; i++) {
if (i & 0x80) {
lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 7;
lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 7;
lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 7;
lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 7;
} else if (i & 0x40) {
lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 6;
lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 6;
lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 6;
lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 6;
} else if (i & 0x20) {
lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 5;
lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 5;
lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 5;
lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 5;
} else if (i & 0x10) {
lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 4;
lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 4;
lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 4;
lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 4;
} else if (i & 0x08) {
lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 3;
lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 3;
lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 3;
lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 3;
} else if (i & 0x04) {
lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 2;
lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 2;
lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 2;
lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 2;
} else if (i & 0x02) {
lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 1;
lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 1;
lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 1;
lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 1;
} else if (i & 0x01) {
lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 0;
lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 0;
lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 0;
lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 0;
} else {
lc0msk_to_irqnr[i] = 0;
lc1msk_to_irqnr[i] = 0;
lc2msk_to_irqnr[i] = 0;
lc3msk_to_irqnr[i] = 0;
}
}
/* Mask out all interrupts. */
sgint->imask0 = 0;
sgint->imask1 = 0;
sgint->cmeimask0 = 0;
sgint->cmeimask1 = 0;
/* init CPU irqs */
mips_cpu_irq_init();
for (i = SGINT_LOCAL0; i < SGI_INTERRUPTS; i++) {
struct irq_chip *handler;
if (i < SGINT_LOCAL1)
handler = &ip22_local0_irq_type;
else if (i < SGINT_LOCAL2)
handler = &ip22_local1_irq_type;
else if (i < SGINT_LOCAL3)
handler = &ip22_local2_irq_type;
else
handler = &ip22_local3_irq_type;
set_irq_chip_and_handler(i, handler, handle_level_irq);
}
/* vector handler. this register the IRQ as non-sharable */
setup_irq(SGI_LOCAL_0_IRQ, &local0_cascade);
setup_irq(SGI_LOCAL_1_IRQ, &local1_cascade);
setup_irq(SGI_BUSERR_IRQ, &buserr);
/* cascade in cascade. i love Indy ;-) */
setup_irq(SGI_MAP_0_IRQ, &map0_cascade);
#ifdef USE_LIO3_IRQ
setup_irq(SGI_MAP_1_IRQ, &map1_cascade);
#endif
#ifdef CONFIG_EISA
if (ip22_is_fullhouse()) /* Only Indigo-2 has EISA stuff */
ip22_eisa_init();
#endif
}
void __init init_IRQ(void)
{
int i;
/* Init local mask --> irq tables. */
for (i = 0; i < 256; i++) {
if (i & 0x80) {
lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 7;
lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 7;
lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 7;
lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 7;
} else if (i & 0x40) {
lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 6;
lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 6;
lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 6;
lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 6;
} else if (i & 0x20) {
lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 5;
lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 5;
lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 5;
lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 5;
} else if (i & 0x10) {
lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 4;
lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 4;
lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 4;
lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 4;
} else if (i & 0x08) {
lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 3;
lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 3;
lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 3;
lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 3;
} else if (i & 0x04) {
lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 2;
lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 2;
lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 2;
lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 2;
} else if (i & 0x02) {
lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 1;
lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 1;
lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 1;
lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 1;
} else if (i & 0x01) {
lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 0;
lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 0;
lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 0;
lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 0;
} else {
lc0msk_to_irqnr[i] = 0;
lc1msk_to_irqnr[i] = 0;
lc2msk_to_irqnr[i] = 0;
lc3msk_to_irqnr[i] = 0;
}
}
/* Mask out all interrupts. */
sgint->imask0 = 0;
sgint->imask1 = 0;
sgint->cmeimask0 = 0;
sgint->cmeimask1 = 0;
set_except_vector(0, indyIRQ);
init_generic_irq();
/* init CPU irqs */
mips_cpu_irq_init(SGINT_CPU);
for (i = SGINT_LOCAL0; i < SGI_INTERRUPTS; i++) {
hw_irq_controller *handler;
if (i < SGINT_LOCAL1)
handler = &ip22_local0_irq_type;
else if (i < SGINT_LOCAL2)
handler = &ip22_local1_irq_type;
else if (i < SGINT_LOCAL3)
handler = &ip22_local2_irq_type;
else
handler = &ip22_local3_irq_type;
irq_desc[i].status = IRQ_DISABLED;
irq_desc[i].action = 0;
irq_desc[i].depth = 1;
irq_desc[i].handler = handler;
}
/* vector handler. this register the IRQ as non-sharable */
setup_irq(SGI_LOCAL_0_IRQ, &local0_cascade);
setup_irq(SGI_LOCAL_1_IRQ, &local1_cascade);
setup_irq(SGI_BUSERR_IRQ, &buserr);
/* cascade in cascade. i love Indy ;-) */
setup_irq(SGI_MAP_0_IRQ, &map0_cascade);
#ifdef USE_LIO3_IRQ
setup_irq(SGI_MAP_1_IRQ, &map1_cascade);
#endif
#ifdef CONFIG_EISA
if (ip22_is_fullhouse()) /* Only Indigo-2 has EISA stuff */
ip22_eisa_init ();
#endif
}
void __init init_IRQ(void)
{
int i;
sgi_i2regs = (struct sgi_int2_regs *) (KSEG1 + SGI_INT2_BASE);
sgi_i3regs = (struct sgi_int3_regs *) (KSEG1 + SGI_INT3_BASE);
/* Init local mask --> irq tables. */
for (i = 0; i < 256; i++) {
if (i & 0x80) {
lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 7;
lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 7;
lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 7;
lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 7;
} else if (i & 0x40) {
lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 6;
lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 6;
lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 6;
lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 6;
} else if (i & 0x20) {
lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 5;
lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 5;
lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 5;
lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 5;
} else if (i & 0x10) {
lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 4;
lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 4;
lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 4;
lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 4;
} else if (i & 0x08) {
lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 3;
lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 3;
lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 3;
lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 3;
} else if (i & 0x04) {
lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 2;
lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 2;
lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 2;
lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 2;
} else if (i & 0x02) {
lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 1;
lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 1;
lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 1;
lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 1;
} else if (i & 0x01) {
lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 0;
lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 0;
lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 0;
lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 0;
} else {
lc0msk_to_irqnr[i] = 0;
lc1msk_to_irqnr[i] = 0;
lc2msk_to_irqnr[i] = 0;
lc3msk_to_irqnr[i] = 0;
}
}
/* Indy uses an INT3, Indigo2 uses an INT2 */
if (sgi_guiness) {
ioc_icontrol = &sgi_i3regs->ints;
ioc_timers = &sgi_i3regs->timers;
ioc_tclear = &sgi_i3regs->tclear;
} else {
ioc_icontrol = &sgi_i2regs->ints;
ioc_timers = &sgi_i2regs->timers;
ioc_tclear = &sgi_i2regs->tclear;
}
/* Mask out all interrupts. */
ioc_icontrol->imask0 = 0;
ioc_icontrol->imask1 = 0;
ioc_icontrol->cmeimask0 = 0;
ioc_icontrol->cmeimask1 = 0;
set_except_vector(0, indyIRQ);
init_generic_irq();
/* init CPU irqs */
mips_cpu_irq_init(SGINT_CPU);
for (i = SGINT_LOCAL0; i < SGINT_END; i++) {
hw_irq_controller *handler;
if (i < SGINT_LOCAL1)
handler = &ip22_local0_irq_type;
else if (i < SGINT_LOCAL2)
handler = &ip22_local1_irq_type;
else if (i < SGINT_LOCAL3)
handler = &ip22_local2_irq_type;
else
handler = &ip22_local3_irq_type;
irq_desc[i].status = IRQ_DISABLED;
irq_desc[i].action = 0;
irq_desc[i].depth = 1;
irq_desc[i].handler = handler;
}
/* vector handler. this register the IRQ as non-sharable */
setup_irq(SGI_LOCAL_0_IRQ, &local0_cascade);
setup_irq(SGI_LOCAL_1_IRQ, &local1_cascade);
setup_irq(SGI_BUSERR_IRQ, &buserr);
/* cascade in cascade. i love Indy ;-) */
setup_irq(SGI_MAP_0_IRQ, &map0_cascade);
#ifdef I_REALLY_NEED_THIS_IRQ
setup_irq(SGI_MAP_1_IRQ, &map1_cascade);
#endif
#ifdef CONFIG_IP22_EISA
if (!sgi_guiness) /* Only Indigo-2 have EISA stuff */
ip22_eisa_init ();
#endif
}
void __init arch_init_irq(void)
{
int i;
for (i = 0; i < 256; i++) {
if (i & 0x80) {
lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 7;
lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 7;
lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 7;
lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 7;
} else if (i & 0x40) {
lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 6;
lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 6;
lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 6;
lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 6;
} else if (i & 0x20) {
lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 5;
lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 5;
lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 5;
lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 5;
} else if (i & 0x10) {
lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 4;
lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 4;
lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 4;
lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 4;
} else if (i & 0x08) {
lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 3;
lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 3;
lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 3;
lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 3;
} else if (i & 0x04) {
lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 2;
lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 2;
lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 2;
lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 2;
} else if (i & 0x02) {
lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 1;
lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 1;
lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 1;
lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 1;
} else if (i & 0x01) {
lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 0;
lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 0;
lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 0;
lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 0;
} else {
lc0msk_to_irqnr[i] = 0;
lc1msk_to_irqnr[i] = 0;
lc2msk_to_irqnr[i] = 0;
lc3msk_to_irqnr[i] = 0;
}
}
sgint->imask0 = 0;
sgint->imask1 = 0;
sgint->cmeimask0 = 0;
sgint->cmeimask1 = 0;
mips_cpu_irq_init();
for (i = SGINT_LOCAL0; i < SGI_INTERRUPTS; i++) {
struct irq_chip *handler;
if (i < SGINT_LOCAL1)
handler = &ip22_local0_irq_type;
else if (i < SGINT_LOCAL2)
handler = &ip22_local1_irq_type;
else if (i < SGINT_LOCAL3)
handler = &ip22_local2_irq_type;
else
handler = &ip22_local3_irq_type;
irq_set_chip_and_handler(i, handler, handle_level_irq);
}
setup_irq(SGI_LOCAL_0_IRQ, &local0_cascade);
setup_irq(SGI_LOCAL_1_IRQ, &local1_cascade);
setup_irq(SGI_BUSERR_IRQ, &buserr);
setup_irq(SGI_MAP_0_IRQ, &map0_cascade);
#ifdef USE_LIO3_IRQ
setup_irq(SGI_MAP_1_IRQ, &map1_cascade);
#endif
#ifdef CONFIG_EISA
if (ip22_is_fullhouse())
ip22_eisa_init();
#endif
}