projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 6171de8f | 1 | /* |
| a09e64fb | 2 | * arch/arm/mach-at91/include/mach/at91_aic.h |
| 6171de8f AV |
3 | * |
| 4 | * Copyright (C) 2005 Ivan Kokshaysky | |
| 5 | * Copyright (C) SAN People | |
| 6 | * | |
| 7 | * Advanced Interrupt Controller (AIC) - System peripherals registers. | |
| 8 | * Based on AT91RM9200 datasheet revision E. | |
| 9 | * | |
| 10 | * This program is free software; you can redistribute it and/or modify | |
| 11 | * it under the terms of the GNU General Public License as published by | |
| 12 | * the Free Software Foundation; either version 2 of the License, or | |
| 13 | * (at your option) any later version. | |
| 14 | */ | |
| 15 | ||
| 16 | #ifndef AT91_AIC_H | |
| 17 | #define AT91_AIC_H | |
| 18 | ||
| be6d4321 JCPV |
19 | #ifndef __ASSEMBLY__ |
| 20 | extern void __iomem *at91_aic_base; | |
| 21 | ||
| 22 | #define at91_aic_read(field) \ | |
| 23 | __raw_readl(at91_aic_base + field) | |
| 24 | ||
| 25 | #define at91_aic_write(field, value) \ | |
| f25b00be | 26 | __raw_writel(value, at91_aic_base + field) |
| be6d4321 JCPV |
27 | #else |
| 28 | .extern at91_aic_base | |
| 29 | #endif | |
| 30 | ||
| f8a073ee LD |
31 | #define AT91_AIC_IRQ_MIN_PRIORITY 0 |
| 32 | #define AT91_AIC_IRQ_MAX_PRIORITY 7 | |
| 33 | ||
| be6d4321 | 34 | #define AT91_AIC_SMR(n) ((n) * 4) /* Source Mode Registers 0-31 */ |
| 6171de8f AV |
35 | #define AT91_AIC_PRIOR (7 << 0) /* Priority Level */ |
| 36 | #define AT91_AIC_SRCTYPE (3 << 5) /* Interrupt Source Type */ | |
| 37 | #define AT91_AIC_SRCTYPE_LOW (0 << 5) | |
| 38 | #define AT91_AIC_SRCTYPE_FALLING (1 << 5) | |
| 39 | #define AT91_AIC_SRCTYPE_HIGH (2 << 5) | |
| 40 | #define AT91_AIC_SRCTYPE_RISING (3 << 5) | |
| 41 | ||
| be6d4321 JCPV |
42 | #define AT91_AIC_SVR(n) (0x80 + ((n) * 4)) /* Source Vector Registers 0-31 */ |
| 43 | #define AT91_AIC_IVR 0x100 /* Interrupt Vector Register */ | |
| 44 | #define AT91_AIC_FVR 0x104 /* Fast Interrupt Vector Register */ | |
| 45 | #define AT91_AIC_ISR 0x108 /* Interrupt Status Register */ | |
| 6171de8f AV |
46 | #define AT91_AIC_IRQID (0x1f << 0) /* Current Interrupt Identifier */ |
| 47 | ||
| be6d4321 JCPV |
48 | #define AT91_AIC_IPR 0x10c /* Interrupt Pending Register */ |
| 49 | #define AT91_AIC_IMR 0x110 /* Interrupt Mask Register */ | |
| 50 | #define AT91_AIC_CISR 0x114 /* Core Interrupt Status Register */ | |
| 6171de8f AV |
51 | #define AT91_AIC_NFIQ (1 << 0) /* nFIQ Status */ |
| 52 | #define AT91_AIC_NIRQ (1 << 1) /* nIRQ Status */ | |
| 53 | ||
| be6d4321 JCPV |
54 | #define AT91_AIC_IECR 0x120 /* Interrupt Enable Command Register */ |
| 55 | #define AT91_AIC_IDCR 0x124 /* Interrupt Disable Command Register */ | |
| 56 | #define AT91_AIC_ICCR 0x128 /* Interrupt Clear Command Register */ | |
| 57 | #define AT91_AIC_ISCR 0x12c /* Interrupt Set Command Register */ | |
| 58 | #define AT91_AIC_EOICR 0x130 /* End of Interrupt Command Register */ | |
| 59 | #define AT91_AIC_SPU 0x134 /* Spurious Interrupt Vector Register */ | |
| 60 | #define AT91_AIC_DCR 0x138 /* Debug Control Register */ | |
| 6171de8f AV |
61 | #define AT91_AIC_DCR_PROT (1 << 0) /* Protection Mode */ |
| 62 | #define AT91_AIC_DCR_GMSK (1 << 1) /* General Mask */ | |
| 63 | ||
| be6d4321 JCPV |
64 | #define AT91_AIC_FFER 0x140 /* Fast Forcing Enable Register [SAM9 only] */ |
| 65 | #define AT91_AIC_FFDR 0x144 /* Fast Forcing Disable Register [SAM9 only] */ | |
| 66 | #define AT91_AIC_FFSR 0x148 /* Fast Forcing Status Register [SAM9 only] */ | |
| 6171de8f | 67 | |
| 3e135466 LD |
68 | void at91_aic_handle_irq(struct pt_regs *regs); |
| 69 | ||
| 6171de8f | 70 | #endif |