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/* MN10300 On-board interrupt controller registers
*
* Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (dhowells@redhat.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public Licence
* as published by the Free Software Foundation; either version
* 2 of the Licence, or (at your option) any later version.
*/
#ifndef _ASM_INTCTL_REGS_H
#define _ASM_INTCTL_REGS_H
#include <asm/cpu-regs.h>
#ifdef __KERNEL__
/*
* Interrupt controller registers
* - Registers 64-191 are at addresses offset from the main array
*/
#define GxICR(X) \
__SYSREG(0xd4000000 + (X) * 4 + \
(((X) >= 64) && ((X) < 192)) * 0xf00, u16)
#define GxICR_u8(X) \
__SYSREG(0xd4000000 + (X) * 4 + \
(((X) >= 64) && ((X) < 192)) * 0xf00, u8)
#include <proc/intctl-regs.h>
#define XIRQ_TRIGGER_LOWLEVEL 0
#define XIRQ_TRIGGER_HILEVEL 1
#define XIRQ_TRIGGER_NEGEDGE 2
#define XIRQ_TRIGGER_POSEDGE 3
/* non-maskable interrupt control */
#define NMIIRQ 0
#define NMICR GxICR(NMIIRQ) /* NMI control register */
#define NMICR_NMIF 0x0001 /* NMI pin interrupt flag */
#define NMICR_WDIF 0x0002 /* watchdog timer overflow flag */
#define NMICR_ABUSERR 0x0008 /* async bus error flag */
/* maskable interrupt control */
#define GxICR_DETECT 0x0001 /* interrupt detect flag */
#define GxICR_REQUEST 0x0010 /* interrupt request flag */
#define GxICR_ENABLE 0x0100 /* interrupt enable flag */
#define GxICR_LEVEL 0x7000 /* interrupt priority level */
#define GxICR_LEVEL_0 0x0000 /* - level 0 */
#define GxICR_LEVEL_1 0x1000 /* - level 1 */
#define GxICR_LEVEL_2 0x2000 /* - level 2 */
#define GxICR_LEVEL_3 0x3000 /* - level 3 */
#define GxICR_LEVEL_4 0x4000 /* - level 4 */
#define GxICR_LEVEL_5 0x5000 /* - level 5 */
#define GxICR_LEVEL_6 0x6000 /* - level 6 */
#define GxICR_LEVEL_SHIFT 12
#define GxICR_NMI 0x8000 /* nmi request flag */
#define NUM2GxICR_LEVEL(num) ((num) << GxICR_LEVEL_SHIFT)
#ifndef __ASSEMBLY__
extern void set_intr_level(int irq, u16 level);
extern void mn10300_intc_set_level(unsigned int irq, unsigned int level);
extern void mn10300_intc_clear(unsigned int irq);
extern void mn10300_intc_set(unsigned int irq);
extern void mn10300_intc_enable(unsigned int irq);
extern void mn10300_intc_disable(unsigned int irq);
extern void mn10300_set_lateack_irq_type(int irq);
#endif
/* external interrupts */
#define XIRQxICR(X) GxICR((X)) /* external interrupt control regs */
#endif /* __KERNEL__ */
#endif /* _ASM_INTCTL_REGS_H */
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