1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2/* 3 * (C) Copyright 2005 Tundra Semiconductor Corp. 4 * Alex Bounine, <alexandreb at tundra.com). 5 * 6 * See file CREDITS for list of people who contributed to this 7 * project. 8 */ 9 10/* 11 * definitions for interrupt controller initialization and external interrupt 12 * demultiplexing on TSI108EMU/SVB boards. 13 */ 14 15#ifndef _ASM_POWERPC_TSI108_IRQ_H 16#define _ASM_POWERPC_TSI108_IRQ_H 17 18/* 19 * Tsi108 interrupts 20 */ 21#ifndef TSI108_IRQ_REG_BASE 22#define TSI108_IRQ_REG_BASE 0 23#endif 24 25#define TSI108_IRQ(x) (TSI108_IRQ_REG_BASE + (x)) 26 27#define TSI108_MAX_VECTORS (36 + 4) /* 36 sources + PCI INT demux */ 28#define MAX_TASK_PRIO 0xF 29 30#define TSI108_IRQ_SPURIOUS (TSI108_MAX_VECTORS) 31 32#define DEFAULT_PRIO_LVL 10 /* initial priority level */ 33 34/* Interrupt vectors assignment to external and internal 35 * sources of requests. */ 36 37/* EXTERNAL INTERRUPT SOURCES */ 38 39#define IRQ_TSI108_EXT_INT0 TSI108_IRQ(0) /* External Source at INT[0] */ 40#define IRQ_TSI108_EXT_INT1 TSI108_IRQ(1) /* External Source at INT[1] */ 41#define IRQ_TSI108_EXT_INT2 TSI108_IRQ(2) /* External Source at INT[2] */ 42#define IRQ_TSI108_EXT_INT3 TSI108_IRQ(3) /* External Source at INT[3] */ 43 44/* INTERNAL INTERRUPT SOURCES */ 45 46#define IRQ_TSI108_RESERVED0 TSI108_IRQ(4) /* Reserved IRQ */ 47#define IRQ_TSI108_RESERVED1 TSI108_IRQ(5) /* Reserved IRQ */ 48#define IRQ_TSI108_RESERVED2 TSI108_IRQ(6) /* Reserved IRQ */ 49#define IRQ_TSI108_RESERVED3 TSI108_IRQ(7) /* Reserved IRQ */ 50#define IRQ_TSI108_DMA0 TSI108_IRQ(8) /* DMA0 */ 51#define IRQ_TSI108_DMA1 TSI108_IRQ(9) /* DMA1 */ 52#define IRQ_TSI108_DMA2 TSI108_IRQ(10) /* DMA2 */ 53#define IRQ_TSI108_DMA3 TSI108_IRQ(11) /* DMA3 */ 54#define IRQ_TSI108_UART0 TSI108_IRQ(12) /* UART0 */ 55#define IRQ_TSI108_UART1 TSI108_IRQ(13) /* UART1 */ 56#define IRQ_TSI108_I2C TSI108_IRQ(14) /* I2C */ 57#define IRQ_TSI108_GPIO TSI108_IRQ(15) /* GPIO */ 58#define IRQ_TSI108_GIGE0 TSI108_IRQ(16) /* GIGE0 */ 59#define IRQ_TSI108_GIGE1 TSI108_IRQ(17) /* GIGE1 */ 60#define IRQ_TSI108_RESERVED4 TSI108_IRQ(18) /* Reserved IRQ */ 61#define IRQ_TSI108_HLP TSI108_IRQ(19) /* HLP */ 62#define IRQ_TSI108_SDRAM TSI108_IRQ(20) /* SDC */ 63#define IRQ_TSI108_PROC_IF TSI108_IRQ(21) /* Processor IF */ 64#define IRQ_TSI108_RESERVED5 TSI108_IRQ(22) /* Reserved IRQ */ 65#define IRQ_TSI108_PCI TSI108_IRQ(23) /* PCI/X block */ 66 67#define IRQ_TSI108_MBOX0 TSI108_IRQ(24) /* Mailbox 0 register */ 68#define IRQ_TSI108_MBOX1 TSI108_IRQ(25) /* Mailbox 1 register */ 69#define IRQ_TSI108_MBOX2 TSI108_IRQ(26) /* Mailbox 2 register */ 70#define IRQ_TSI108_MBOX3 TSI108_IRQ(27) /* Mailbox 3 register */ 71 72#define IRQ_TSI108_DBELL0 TSI108_IRQ(28) /* Doorbell 0 */ 73#define IRQ_TSI108_DBELL1 TSI108_IRQ(29) /* Doorbell 1 */ 74#define IRQ_TSI108_DBELL2 TSI108_IRQ(30) /* Doorbell 2 */ 75#define IRQ_TSI108_DBELL3 TSI108_IRQ(31) /* Doorbell 3 */ 76 77#define IRQ_TSI108_TIMER0 TSI108_IRQ(32) /* Global Timer 0 */ 78#define IRQ_TSI108_TIMER1 TSI108_IRQ(33) /* Global Timer 1 */ 79#define IRQ_TSI108_TIMER2 TSI108_IRQ(34) /* Global Timer 2 */ 80#define IRQ_TSI108_TIMER3 TSI108_IRQ(35) /* Global Timer 3 */ 81 82/* 83 * PCI bus INTA# - INTD# lines demultiplexor 84 */ 85#define IRQ_PCI_INTAD_BASE TSI108_IRQ(36) 86#define IRQ_PCI_INTA (IRQ_PCI_INTAD_BASE + 0) 87#define IRQ_PCI_INTB (IRQ_PCI_INTAD_BASE + 1) 88#define IRQ_PCI_INTC (IRQ_PCI_INTAD_BASE + 2) 89#define IRQ_PCI_INTD (IRQ_PCI_INTAD_BASE + 3) 90#define NUM_PCI_IRQS (4) 91 92/* number of entries in vector dispatch table */ 93#define IRQ_TSI108_TAB_SIZE (TSI108_MAX_VECTORS + 1) 94 95/* Mapping of MPIC outputs to processors' interrupt pins */ 96 97#define IDIR_INT_OUT0 0x1 98#define IDIR_INT_OUT1 0x2 99#define IDIR_INT_OUT2 0x4 100#define IDIR_INT_OUT3 0x8 101 102/*--------------------------------------------------------------- 103 * IRQ line configuration parameters */ 104 105/* Interrupt delivery modes */ 106typedef enum { 107 TSI108_IRQ_DIRECTED, 108 TSI108_IRQ_DISTRIBUTED, 109} TSI108_IRQ_MODE; 110#endif /* _ASM_POWERPC_TSI108_IRQ_H */ 111