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Diffstat (limited to 'include/asm-mn10300/intctl-regs.h')
-rw-r--r-- | include/asm-mn10300/intctl-regs.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/include/asm-mn10300/intctl-regs.h b/include/asm-mn10300/intctl-regs.h new file mode 100644 index 000000000000..ba544c796c5a --- /dev/null +++ b/include/asm-mn10300/intctl-regs.h | |||
@@ -0,0 +1,73 @@ | |||
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 | |||
18 | /* interrupt controller registers */ | ||
19 | #define GxICR(X) __SYSREG(0xd4000000 + (X) * 4, u16) /* group irq ctrl regs */ | ||
20 | |||
21 | #define IAGR __SYSREG(0xd4000100, u16) /* intr acceptance group reg */ | ||
22 | #define IAGR_GN 0x00fc /* group number register | ||
23 | * (documentation _has_ to be wrong) | ||
24 | */ | ||
25 | |||
26 | #define EXTMD __SYSREG(0xd4000200, u16) /* external pin intr spec reg */ | ||
27 | #define GET_XIRQ_TRIGGER(X) ((EXTMD >> ((X) * 2)) & 3) | ||
28 | |||
29 | #define SET_XIRQ_TRIGGER(X,Y) \ | ||
30 | do { \ | ||
31 | u16 x = EXTMD; \ | ||
32 | x &= ~(3 << ((X) * 2)); \ | ||
33 | x |= ((Y) & 3) << ((X) * 2); \ | ||
34 | EXTMD = x; \ | ||
35 | } while (0) | ||
36 | |||
37 | #define XIRQ_TRIGGER_LOWLEVEL 0 | ||
38 | #define XIRQ_TRIGGER_HILEVEL 1 | ||
39 | #define XIRQ_TRIGGER_NEGEDGE 2 | ||
40 | #define XIRQ_TRIGGER_POSEDGE 3 | ||
41 | |||
42 | /* non-maskable interrupt control */ | ||
43 | #define NMIIRQ 0 | ||
44 | #define NMICR GxICR(NMIIRQ) /* NMI control register */ | ||
45 | #define NMICR_NMIF 0x0001 /* NMI pin interrupt flag */ | ||
46 | #define NMICR_WDIF 0x0002 /* watchdog timer overflow flag */ | ||
47 | #define NMICR_ABUSERR 0x0008 /* async bus error flag */ | ||
48 | |||
49 | /* maskable interrupt control */ | ||
50 | #define GxICR_DETECT 0x0001 /* interrupt detect flag */ | ||
51 | #define GxICR_REQUEST 0x0010 /* interrupt request flag */ | ||
52 | #define GxICR_ENABLE 0x0100 /* interrupt enable flag */ | ||
53 | #define GxICR_LEVEL 0x7000 /* interrupt priority level */ | ||
54 | #define GxICR_LEVEL_0 0x0000 /* - level 0 */ | ||
55 | #define GxICR_LEVEL_1 0x1000 /* - level 1 */ | ||
56 | #define GxICR_LEVEL_2 0x2000 /* - level 2 */ | ||
57 | #define GxICR_LEVEL_3 0x3000 /* - level 3 */ | ||
58 | #define GxICR_LEVEL_4 0x4000 /* - level 4 */ | ||
59 | #define GxICR_LEVEL_5 0x5000 /* - level 5 */ | ||
60 | #define GxICR_LEVEL_6 0x6000 /* - level 6 */ | ||
61 | #define GxICR_LEVEL_SHIFT 12 | ||
62 | |||
63 | #ifndef __ASSEMBLY__ | ||
64 | extern void set_intr_level(int irq, u16 level); | ||
65 | extern void set_intr_postackable(int irq); | ||
66 | #endif | ||
67 | |||
68 | /* external interrupts */ | ||
69 | #define XIRQxICR(X) GxICR((X)) /* external interrupt control regs */ | ||
70 | |||
71 | #endif /* __KERNEL__ */ | ||
72 | |||
73 | #endif /* _ASM_INTCTL_REGS_H */ | ||