arch/arm/mach-footbridge/isa-irq.c

127

outb(_ISA_IRQ(8), PIC_MASK_HI); /* IRQ number */

arch/arm/mach-footbridge/isa-irq.c

128

outb(0x02, PIC_MASK_HI); /* Slave on Ch1 */

arch/arm/mach-footbridge/isa-irq.c

129

outb(0x01, PIC_MASK_HI); /* x86 */

arch/arm/mach-footbridge/isa-irq.c

130

outb(0xfa, PIC_MASK_HI); /* pattern: 11111010 */

arch/arm/mach-footbridge/isa-irq.c

135

if (inb(PIC_MASK_LO) == 0xf5 && inb(PIC_MASK_HI) == 0xfa) {

arch/arm/mach-footbridge/isa-irq.c

137

outb(0xff, PIC_MASK_HI);/* mask all IRQs */

arch/arm/mach-footbridge/isa-irq.c

62

outb(inb(PIC_MASK_HI) | mask, PIC_MASK_HI);

arch/arm/mach-footbridge/isa-irq.c

69

outb(inb(PIC_MASK_HI) | mask, PIC_MASK_HI);

arch/arm/mach-footbridge/isa-irq.c

78

outb(inb(PIC_MASK_HI) & ~mask, PIC_MASK_HI);