125 строки
4.5 KiB
C
125 строки
4.5 KiB
C
/*
|
|
* (C) Copyright 2005 Tundra Semiconductor Corp.
|
|
* Alex Bounine, <alexandreb at tundra.com).
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*/
|
|
|
|
/*
|
|
* definitions for interrupt controller initialization and external interrupt
|
|
* demultiplexing on TSI108EMU/SVB boards.
|
|
*/
|
|
|
|
#ifndef _ASM_PPC_TSI108_IRQ_H
|
|
#define _ASM_PPC_TSI108_IRQ_H
|
|
|
|
/*
|
|
* Tsi108 interrupts
|
|
*/
|
|
#ifndef TSI108_IRQ_REG_BASE
|
|
#define TSI108_IRQ_REG_BASE 0
|
|
#endif
|
|
|
|
#define TSI108_IRQ(x) (TSI108_IRQ_REG_BASE + (x))
|
|
|
|
#define TSI108_MAX_VECTORS (36 + 4) /* 36 sources + PCI INT demux */
|
|
#define MAX_TASK_PRIO 0xF
|
|
|
|
#define TSI108_IRQ_SPURIOUS (TSI108_MAX_VECTORS)
|
|
|
|
#define DEFAULT_PRIO_LVL 10 /* initial priority level */
|
|
|
|
/* Interrupt vectors assignment to external and internal
|
|
* sources of requests. */
|
|
|
|
/* EXTERNAL INTERRUPT SOURCES */
|
|
|
|
#define IRQ_TSI108_EXT_INT0 TSI108_IRQ(0) /* External Source at INT[0] */
|
|
#define IRQ_TSI108_EXT_INT1 TSI108_IRQ(1) /* External Source at INT[1] */
|
|
#define IRQ_TSI108_EXT_INT2 TSI108_IRQ(2) /* External Source at INT[2] */
|
|
#define IRQ_TSI108_EXT_INT3 TSI108_IRQ(3) /* External Source at INT[3] */
|
|
|
|
/* INTERNAL INTERRUPT SOURCES */
|
|
|
|
#define IRQ_TSI108_RESERVED0 TSI108_IRQ(4) /* Reserved IRQ */
|
|
#define IRQ_TSI108_RESERVED1 TSI108_IRQ(5) /* Reserved IRQ */
|
|
#define IRQ_TSI108_RESERVED2 TSI108_IRQ(6) /* Reserved IRQ */
|
|
#define IRQ_TSI108_RESERVED3 TSI108_IRQ(7) /* Reserved IRQ */
|
|
#define IRQ_TSI108_DMA0 TSI108_IRQ(8) /* DMA0 */
|
|
#define IRQ_TSI108_DMA1 TSI108_IRQ(9) /* DMA1 */
|
|
#define IRQ_TSI108_DMA2 TSI108_IRQ(10) /* DMA2 */
|
|
#define IRQ_TSI108_DMA3 TSI108_IRQ(11) /* DMA3 */
|
|
#define IRQ_TSI108_UART0 TSI108_IRQ(12) /* UART0 */
|
|
#define IRQ_TSI108_UART1 TSI108_IRQ(13) /* UART1 */
|
|
#define IRQ_TSI108_I2C TSI108_IRQ(14) /* I2C */
|
|
#define IRQ_TSI108_GPIO TSI108_IRQ(15) /* GPIO */
|
|
#define IRQ_TSI108_GIGE0 TSI108_IRQ(16) /* GIGE0 */
|
|
#define IRQ_TSI108_GIGE1 TSI108_IRQ(17) /* GIGE1 */
|
|
#define IRQ_TSI108_RESERVED4 TSI108_IRQ(18) /* Reserved IRQ */
|
|
#define IRQ_TSI108_HLP TSI108_IRQ(19) /* HLP */
|
|
#define IRQ_TSI108_SDRAM TSI108_IRQ(20) /* SDC */
|
|
#define IRQ_TSI108_PROC_IF TSI108_IRQ(21) /* Processor IF */
|
|
#define IRQ_TSI108_RESERVED5 TSI108_IRQ(22) /* Reserved IRQ */
|
|
#define IRQ_TSI108_PCI TSI108_IRQ(23) /* PCI/X block */
|
|
|
|
#define IRQ_TSI108_MBOX0 TSI108_IRQ(24) /* Mailbox 0 register */
|
|
#define IRQ_TSI108_MBOX1 TSI108_IRQ(25) /* Mailbox 1 register */
|
|
#define IRQ_TSI108_MBOX2 TSI108_IRQ(26) /* Mailbox 2 register */
|
|
#define IRQ_TSI108_MBOX3 TSI108_IRQ(27) /* Mailbox 3 register */
|
|
|
|
#define IRQ_TSI108_DBELL0 TSI108_IRQ(28) /* Doorbell 0 */
|
|
#define IRQ_TSI108_DBELL1 TSI108_IRQ(29) /* Doorbell 1 */
|
|
#define IRQ_TSI108_DBELL2 TSI108_IRQ(30) /* Doorbell 2 */
|
|
#define IRQ_TSI108_DBELL3 TSI108_IRQ(31) /* Doorbell 3 */
|
|
|
|
#define IRQ_TSI108_TIMER0 TSI108_IRQ(32) /* Global Timer 0 */
|
|
#define IRQ_TSI108_TIMER1 TSI108_IRQ(33) /* Global Timer 1 */
|
|
#define IRQ_TSI108_TIMER2 TSI108_IRQ(34) /* Global Timer 2 */
|
|
#define IRQ_TSI108_TIMER3 TSI108_IRQ(35) /* Global Timer 3 */
|
|
|
|
/*
|
|
* PCI bus INTA# - INTD# lines demultiplexor
|
|
*/
|
|
#define IRQ_PCI_INTAD_BASE TSI108_IRQ(36)
|
|
#define IRQ_PCI_INTA (IRQ_PCI_INTAD_BASE + 0)
|
|
#define IRQ_PCI_INTB (IRQ_PCI_INTAD_BASE + 1)
|
|
#define IRQ_PCI_INTC (IRQ_PCI_INTAD_BASE + 2)
|
|
#define IRQ_PCI_INTD (IRQ_PCI_INTAD_BASE + 3)
|
|
#define NUM_PCI_IRQS (4)
|
|
|
|
/* number of entries in vector dispatch table */
|
|
#define IRQ_TSI108_TAB_SIZE (TSI108_MAX_VECTORS + 1)
|
|
|
|
/* Mapping of MPIC outputs to processors' interrupt pins */
|
|
|
|
#define IDIR_INT_OUT0 0x1
|
|
#define IDIR_INT_OUT1 0x2
|
|
#define IDIR_INT_OUT2 0x4
|
|
#define IDIR_INT_OUT3 0x8
|
|
|
|
/*---------------------------------------------------------------
|
|
* IRQ line configuration parameters */
|
|
|
|
/* Interrupt delivery modes */
|
|
typedef enum {
|
|
TSI108_IRQ_DIRECTED,
|
|
TSI108_IRQ_DISTRIBUTED,
|
|
} TSI108_IRQ_MODE;
|
|
#endif /* _ASM_PPC_TSI108_IRQ_H */
|