/* 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 */ #define GxICR(X) __SYSREG(0xd4000000 + (X) * 4, u16) /* group irq ctrl regs */ #define IAGR __SYSREG(0xd4000100, u16) /* intr acceptance group reg */ #define IAGR_GN 0x00fc /* group number register * (documentation _has_ to be wrong) */ #define EXTMD __SYSREG(0xd4000200, u16) /* external pin intr spec reg */ #define GET_XIRQ_TRIGGER(X) ((EXTMD >> ((X) * 2)) & 3) #define SET_XIRQ_TRIGGER(X,Y) \ do { \ u16 x = EXTMD; \ x &= ~(3 << ((X) * 2)); \ x |= ((Y) & 3) << ((X) * 2); \ EXTMD = x; \ } while (0) #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 #ifndef __ASSEMBLY__ extern void set_intr_level(int irq, u16 level); extern void set_intr_postackable(int irq); #endif /* external interrupts */ #define XIRQxICR(X) GxICR((X)) /* external interrupt control regs */ #endif /* __KERNEL__ */ #endif /* _ASM_INTCTL_REGS_H */