linux/arch/mips/include/asm/mach-pmcs-msp71xx/msp_slp_int.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Defines for the MSP interrupt controller.
 *
 * Copyright (C) 1999 MIPS Technologies, Inc.  All rights reserved.
 * Author: Carsten Langgaard, carstenl@mips.com
 *
 * ########################################################################
 *
 * ########################################################################
 */

#ifndef _MSP_SLP_INT_H
#define _MSP_SLP_INT_H

/*
 * The PMC-Sierra SLP interrupts are arranged in a 3 level cascaded
 * hierarchical system.	 The first level are the direct MIPS interrupts
 * and are assigned the interrupt range 0-7.  The second level is the SLM
 * interrupt controller and is assigned the range 8-39.	 The third level
 * comprises the Peripherial block, the PCI block, the PCI MSI block and
 * the SLP.  The PCI interrupts and the SLP errors are handled by the
 * relevant subsystems so the core interrupt code needs only concern
 * itself with the Peripheral block.  These are assigned interrupts in
 * the range 40-71.
 */

/*
 * IRQs directly connected to CPU
 */
#define MSP_MIPS_INTBASE	0
#define MSP_INT_SW0		0  /* IRQ for swint0,	      C_SW0  */
#define MSP_INT_SW1		1  /* IRQ for swint1,	      C_SW1  */
#define MSP_INT_MAC0		2  /* IRQ for MAC 0,	      C_IRQ0 */
#define MSP_INT_MAC1		3  /* IRQ for MAC 1,	      C_IRQ1 */
#define MSP_INT_C_IRQ2		4  /* Wired off,	      C_IRQ2 */
#define MSP_INT_VE		5  /* IRQ for Voice Engine,   C_IRQ3 */
#define MSP_INT_SLP		6  /* IRQ for SLM block,      C_IRQ4 */
#define MSP_INT_TIMER		7  /* IRQ for the MIPS timer, C_IRQ5 */

/*
 * IRQs cascaded on CPU interrupt 4 (CAUSE bit 12, C_IRQ4)
 * These defines should be tied to the register definition for the SLM
 * interrupt routine.  For now, just use hard-coded values.
 */
#define MSP_SLP_INTBASE		(MSP_MIPS_INTBASE + 8)
#define MSP_INT_EXT0		(MSP_SLP_INTBASE + 0)
					/* External interrupt 0		*/
#define MSP_INT_EXT1		(MSP_SLP_INTBASE + 1)
					/* External interrupt 1		*/
#define MSP_INT_EXT2		(MSP_SLP_INTBASE + 2)
					/* External interrupt 2		*/
#define MSP_INT_EXT3		(MSP_SLP_INTBASE + 3)
					/* External interrupt 3		*/
/* Reserved					   4-7			*/

/*
 *************************************************************************
 * DANGER/DANGER/DANGER/DANGER/DANGER/DANGER/DANGER/DANGER/DANGER/DANGER *
 * Some MSP produces have this interrupt labelled as Voice and some are	 *
 * SEC mbox ...								 *
 *************************************************************************
 */
#define MSP_INT_SLP_VE		(MSP_SLP_INTBASE + 8)
					/* Cascaded IRQ for Voice Engine*/
#define MSP_INT_SLP_TDM		(MSP_SLP_INTBASE + 9)
					/* TDM interrupt		*/
#define MSP_INT_SLP_MAC0	(MSP_SLP_INTBASE + 10)
					/* Cascaded IRQ for MAC 0	*/
#define MSP_INT_SLP_MAC1	(MSP_SLP_INTBASE + 11)
					/* Cascaded IRQ for MAC 1	*/
#define MSP_INT_SEC		(MSP_SLP_INTBASE + 12)
					/* IRQ for security engine	*/
#define MSP_INT_PER		(MSP_SLP_INTBASE + 13)
					/* Peripheral interrupt		*/
#define MSP_INT_TIMER0		(MSP_SLP_INTBASE + 14)
					/* SLP timer 0			*/
#define MSP_INT_TIMER1		(MSP_SLP_INTBASE + 15)
					/* SLP timer 1			*/
#define MSP_INT_TIMER2		(MSP_SLP_INTBASE + 16)
					/* SLP timer 2			*/
#define MSP_INT_SLP_TIMER	(MSP_SLP_INTBASE + 17)
					/* Cascaded MIPS timer		*/
#define MSP_INT_BLKCP		(MSP_SLP_INTBASE + 18)
					/* Block Copy			*/
#define MSP_INT_UART0		(MSP_SLP_INTBASE + 19)
					/* UART 0			*/
#define MSP_INT_PCI		(MSP_SLP_INTBASE + 20)
					/* PCI subsystem		*/
#define MSP_INT_PCI_DBELL	(MSP_SLP_INTBASE + 21)
					/* PCI doorbell			*/
#define MSP_INT_PCI_MSI		(MSP_SLP_INTBASE + 22)
					/* PCI Message Signal		*/
#define MSP_INT_PCI_BC0		(MSP_SLP_INTBASE + 23)
					/* PCI Block Copy 0		*/
#define MSP_INT_PCI_BC1		(MSP_SLP_INTBASE + 24)
					/* PCI Block Copy 1		*/
#define MSP_INT_SLP_ERR		(MSP_SLP_INTBASE + 25)
					/* SLP error condition		*/
#define MSP_INT_MAC2		(MSP_SLP_INTBASE + 26)
					/* IRQ for MAC2			*/
/* Reserved					   26-31		*/

/*
 * IRQs cascaded on SLP PER interrupt (MSP_INT_PER)
 */
#define MSP_PER_INTBASE		(MSP_SLP_INTBASE + 32)
/* Reserved					   0-1			*/
#define MSP_INT_UART1		(MSP_PER_INTBASE + 2)
					/* UART 1			*/
/* Reserved					   3-5			*/
#define MSP_INT_2WIRE		(MSP_PER_INTBASE + 6)
					/* 2-wire			*/
#define MSP_INT_TM0		(MSP_PER_INTBASE + 7)
					/* Peripheral timer block out 0 */
#define MSP_INT_TM1		(MSP_PER_INTBASE + 8)
					/* Peripheral timer block out 1 */
/* Reserved					   9			*/
#define MSP_INT_SPRX		(MSP_PER_INTBASE + 10)
					/* SPI RX complete		*/
#define MSP_INT_SPTX		(MSP_PER_INTBASE + 11)
					/* SPI TX complete		*/
#define MSP_INT_GPIO		(MSP_PER_INTBASE + 12)
					/* GPIO				*/
#define MSP_INT_PER_ERR		(MSP_PER_INTBASE + 13)
					/* Peripheral error		*/
/* Reserved					   14-31		*/

#endif /* !_MSP_SLP_INT_H */