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b920de1b DH |
1 | /* MN10300 On-board interrupt controller registers |
2 | * | |
3 | * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. | |
4 | * Written by David Howells (dhowells@redhat.com) | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU General Public Licence | |
8 | * as published by the Free Software Foundation; either version | |
9 | * 2 of the Licence, or (at your option) any later version. | |
10 | */ | |
11 | #ifndef _ASM_INTCTL_REGS_H | |
12 | #define _ASM_INTCTL_REGS_H | |
13 | ||
14 | #include <asm/cpu-regs.h> | |
15 | ||
16 | #ifdef __KERNEL__ | |
17 | ||
368dd5ac AT |
18 | /* |
19 | * Interrupt controller registers | |
20 | * - Registers 64-191 are at addresses offset from the main array | |
21 | */ | |
22 | #define GxICR(X) \ | |
23 | __SYSREG(0xd4000000 + (X) * 4 + \ | |
24 | (((X) >= 64) && ((X) < 192)) * 0xf00, u16) | |
b920de1b | 25 | |
368dd5ac AT |
26 | #define GxICR_u8(X) \ |
27 | __SYSREG(0xd4000000 + (X) * 4 + \ | |
28 | (((X) >= 64) && ((X) < 192)) * 0xf00, u8) | |
b920de1b | 29 | |
368dd5ac | 30 | #include <proc/intctl-regs.h> |
b920de1b DH |
31 | |
32 | #define XIRQ_TRIGGER_LOWLEVEL 0 | |
33 | #define XIRQ_TRIGGER_HILEVEL 1 | |
34 | #define XIRQ_TRIGGER_NEGEDGE 2 | |
35 | #define XIRQ_TRIGGER_POSEDGE 3 | |
36 | ||
37 | /* non-maskable interrupt control */ | |
38 | #define NMIIRQ 0 | |
39 | #define NMICR GxICR(NMIIRQ) /* NMI control register */ | |
40 | #define NMICR_NMIF 0x0001 /* NMI pin interrupt flag */ | |
41 | #define NMICR_WDIF 0x0002 /* watchdog timer overflow flag */ | |
42 | #define NMICR_ABUSERR 0x0008 /* async bus error flag */ | |
43 | ||
44 | /* maskable interrupt control */ | |
45 | #define GxICR_DETECT 0x0001 /* interrupt detect flag */ | |
46 | #define GxICR_REQUEST 0x0010 /* interrupt request flag */ | |
47 | #define GxICR_ENABLE 0x0100 /* interrupt enable flag */ | |
48 | #define GxICR_LEVEL 0x7000 /* interrupt priority level */ | |
49 | #define GxICR_LEVEL_0 0x0000 /* - level 0 */ | |
50 | #define GxICR_LEVEL_1 0x1000 /* - level 1 */ | |
51 | #define GxICR_LEVEL_2 0x2000 /* - level 2 */ | |
52 | #define GxICR_LEVEL_3 0x3000 /* - level 3 */ | |
53 | #define GxICR_LEVEL_4 0x4000 /* - level 4 */ | |
54 | #define GxICR_LEVEL_5 0x5000 /* - level 5 */ | |
55 | #define GxICR_LEVEL_6 0x6000 /* - level 6 */ | |
56 | #define GxICR_LEVEL_SHIFT 12 | |
368dd5ac AT |
57 | #define GxICR_NMI 0x8000 /* nmi request flag */ |
58 | ||
59 | #define NUM2GxICR_LEVEL(num) ((num) << GxICR_LEVEL_SHIFT) | |
b920de1b DH |
60 | |
61 | #ifndef __ASSEMBLY__ | |
62 | extern void set_intr_level(int irq, u16 level); | |
368dd5ac AT |
63 | extern void mn10300_intc_set_level(unsigned int irq, unsigned int level); |
64 | extern void mn10300_intc_clear(unsigned int irq); | |
65 | extern void mn10300_intc_set(unsigned int irq); | |
66 | extern void mn10300_intc_enable(unsigned int irq); | |
67 | extern void mn10300_intc_disable(unsigned int irq); | |
68 | extern void mn10300_set_lateack_irq_type(int irq); | |
b920de1b DH |
69 | #endif |
70 | ||
71 | /* external interrupts */ | |
72 | #define XIRQxICR(X) GxICR((X)) /* external interrupt control regs */ | |
73 | ||
74 | #endif /* __KERNEL__ */ | |
75 | ||
76 | #endif /* _ASM_INTCTL_REGS_H */ |