diff options
Diffstat (limited to 'arch/mips/include/asm/mach-cobalt/irq.h')
| -rw-r--r-- | arch/mips/include/asm/mach-cobalt/irq.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-cobalt/irq.h b/arch/mips/include/asm/mach-cobalt/irq.h new file mode 100644 index 000000000..9da9acf5d --- /dev/null +++ b/arch/mips/include/asm/mach-cobalt/irq.h @@ -0,0 +1,57 @@ +/* + * Cobalt IRQ definitions. + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 1997 Cobalt Microserver + * Copyright (C) 1997, 2003 Ralf Baechle + * Copyright (C) 2001-2003 Liam Davies (ldavies@agile.tv) + * Copyright (C) 2007 Yoichi Yuasa <yuasa@linux-mips.org> + */ +#ifndef _ASM_COBALT_IRQ_H +#define _ASM_COBALT_IRQ_H + +/* + * i8259 interrupts used on Cobalt: + * + * 8 - RTC + * 9 - PCI slot + * 14 - IDE0 + * 15 - IDE1(no connector on board) + */ +#define I8259A_IRQ_BASE 0 + +#define PCISLOT_IRQ (I8259A_IRQ_BASE + 9) + +/* + * CPU interrupts used on Cobalt: + * + * 0 - Software interrupt 0 (unused) + * 1 - Software interrupt 0 (unused) + * 2 - cascade GT64111 + * 3 - ethernet or SCSI host controller + * 4 - ethernet + * 5 - 16550 UART + * 6 - cascade i8259 + * 7 - CP0 counter + */ +#define MIPS_CPU_IRQ_BASE 16 + +#define GT641XX_CASCADE_IRQ (MIPS_CPU_IRQ_BASE + 2) +#define RAQ2_SCSI_IRQ (MIPS_CPU_IRQ_BASE + 3) +#define ETH0_IRQ (MIPS_CPU_IRQ_BASE + 3) +#define QUBE1_ETH0_IRQ (MIPS_CPU_IRQ_BASE + 4) +#define ETH1_IRQ (MIPS_CPU_IRQ_BASE + 4) +#define SERIAL_IRQ (MIPS_CPU_IRQ_BASE + 5) +#define SCSI_IRQ (MIPS_CPU_IRQ_BASE + 5) +#define I8259_CASCADE_IRQ (MIPS_CPU_IRQ_BASE + 6) + +#define GT641XX_IRQ_BASE 24 + +#include <asm/irq_gt641xx.h> + +#define NR_IRQS (GT641XX_PCI_INT3_IRQ + 1) + +#endif /* _ASM_COBALT_IRQ_H */ |