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