111 lines
3.8 KiB
C
111 lines
3.8 KiB
C
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/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* (C) Copyright 2005 Tundra Semiconductor Corp.
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* Alex Bounine, <alexandreb at tundra.com).
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*/
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/*
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* definitions for interrupt controller initialization and external interrupt
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* demultiplexing on TSI108EMU/SVB boards.
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*/
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#ifndef _ASM_POWERPC_TSI108_IRQ_H
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#define _ASM_POWERPC_TSI108_IRQ_H
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/*
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* Tsi108 interrupts
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*/
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#ifndef TSI108_IRQ_REG_BASE
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#define TSI108_IRQ_REG_BASE 0
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#endif
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#define TSI108_IRQ(x) (TSI108_IRQ_REG_BASE + (x))
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#define TSI108_MAX_VECTORS (36 + 4) /* 36 sources + PCI INT demux */
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#define MAX_TASK_PRIO 0xF
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#define TSI108_IRQ_SPURIOUS (TSI108_MAX_VECTORS)
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#define DEFAULT_PRIO_LVL 10 /* initial priority level */
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/* Interrupt vectors assignment to external and internal
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* sources of requests. */
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/* EXTERNAL INTERRUPT SOURCES */
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#define IRQ_TSI108_EXT_INT0 TSI108_IRQ(0) /* External Source at INT[0] */
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#define IRQ_TSI108_EXT_INT1 TSI108_IRQ(1) /* External Source at INT[1] */
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#define IRQ_TSI108_EXT_INT2 TSI108_IRQ(2) /* External Source at INT[2] */
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#define IRQ_TSI108_EXT_INT3 TSI108_IRQ(3) /* External Source at INT[3] */
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/* INTERNAL INTERRUPT SOURCES */
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#define IRQ_TSI108_RESERVED0 TSI108_IRQ(4) /* Reserved IRQ */
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#define IRQ_TSI108_RESERVED1 TSI108_IRQ(5) /* Reserved IRQ */
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#define IRQ_TSI108_RESERVED2 TSI108_IRQ(6) /* Reserved IRQ */
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#define IRQ_TSI108_RESERVED3 TSI108_IRQ(7) /* Reserved IRQ */
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#define IRQ_TSI108_DMA0 TSI108_IRQ(8) /* DMA0 */
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#define IRQ_TSI108_DMA1 TSI108_IRQ(9) /* DMA1 */
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#define IRQ_TSI108_DMA2 TSI108_IRQ(10) /* DMA2 */
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#define IRQ_TSI108_DMA3 TSI108_IRQ(11) /* DMA3 */
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#define IRQ_TSI108_UART0 TSI108_IRQ(12) /* UART0 */
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#define IRQ_TSI108_UART1 TSI108_IRQ(13) /* UART1 */
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#define IRQ_TSI108_I2C TSI108_IRQ(14) /* I2C */
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#define IRQ_TSI108_GPIO TSI108_IRQ(15) /* GPIO */
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#define IRQ_TSI108_GIGE0 TSI108_IRQ(16) /* GIGE0 */
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#define IRQ_TSI108_GIGE1 TSI108_IRQ(17) /* GIGE1 */
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#define IRQ_TSI108_RESERVED4 TSI108_IRQ(18) /* Reserved IRQ */
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#define IRQ_TSI108_HLP TSI108_IRQ(19) /* HLP */
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#define IRQ_TSI108_SDRAM TSI108_IRQ(20) /* SDC */
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#define IRQ_TSI108_PROC_IF TSI108_IRQ(21) /* Processor IF */
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#define IRQ_TSI108_RESERVED5 TSI108_IRQ(22) /* Reserved IRQ */
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#define IRQ_TSI108_PCI TSI108_IRQ(23) /* PCI/X block */
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#define IRQ_TSI108_MBOX0 TSI108_IRQ(24) /* Mailbox 0 register */
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#define IRQ_TSI108_MBOX1 TSI108_IRQ(25) /* Mailbox 1 register */
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#define IRQ_TSI108_MBOX2 TSI108_IRQ(26) /* Mailbox 2 register */
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#define IRQ_TSI108_MBOX3 TSI108_IRQ(27) /* Mailbox 3 register */
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#define IRQ_TSI108_DBELL0 TSI108_IRQ(28) /* Doorbell 0 */
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#define IRQ_TSI108_DBELL1 TSI108_IRQ(29) /* Doorbell 1 */
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#define IRQ_TSI108_DBELL2 TSI108_IRQ(30) /* Doorbell 2 */
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#define IRQ_TSI108_DBELL3 TSI108_IRQ(31) /* Doorbell 3 */
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#define IRQ_TSI108_TIMER0 TSI108_IRQ(32) /* Global Timer 0 */
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#define IRQ_TSI108_TIMER1 TSI108_IRQ(33) /* Global Timer 1 */
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#define IRQ_TSI108_TIMER2 TSI108_IRQ(34) /* Global Timer 2 */
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#define IRQ_TSI108_TIMER3 TSI108_IRQ(35) /* Global Timer 3 */
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/*
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* PCI bus INTA# - INTD# lines demultiplexor
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*/
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#define IRQ_PCI_INTAD_BASE TSI108_IRQ(36)
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#define IRQ_PCI_INTA (IRQ_PCI_INTAD_BASE + 0)
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#define IRQ_PCI_INTB (IRQ_PCI_INTAD_BASE + 1)
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#define IRQ_PCI_INTC (IRQ_PCI_INTAD_BASE + 2)
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#define IRQ_PCI_INTD (IRQ_PCI_INTAD_BASE + 3)
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#define NUM_PCI_IRQS (4)
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/* number of entries in vector dispatch table */
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#define IRQ_TSI108_TAB_SIZE (TSI108_MAX_VECTORS + 1)
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/* Mapping of MPIC outputs to processors' interrupt pins */
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#define IDIR_INT_OUT0 0x1
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#define IDIR_INT_OUT1 0x2
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#define IDIR_INT_OUT2 0x4
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#define IDIR_INT_OUT3 0x8
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/*---------------------------------------------------------------
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* IRQ line configuration parameters */
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/* Interrupt delivery modes */
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typedef enum {
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TSI108_IRQ_DIRECTED,
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TSI108_IRQ_DISTRIBUTED,
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} TSI108_IRQ_MODE;
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#endif /* _ASM_POWERPC_TSI108_IRQ_H */
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