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Diffstat (limited to 'include/asm-blackfin/irq.h')
| -rw-r--r-- | include/asm-blackfin/irq.h | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/include/asm-blackfin/irq.h b/include/asm-blackfin/irq.h deleted file mode 100644 index 1fff316..0000000 --- a/include/asm-blackfin/irq.h +++ /dev/null @@ -1,142 +0,0 @@ -/* - * U-boot - irq.h Interrupt related header file - * - * Copyright (c) 2005-2007 Analog Devices Inc. - * - * This file was based on - * linux/arch/$(ARCH)/platform/$(PLATFORM)/irq.c - * - * Changed by HuTao Apr18, 2003 - * - * Copyright was missing when I got the code so took from MIPS arch ...MaTed--- - * Copyright (C) 1994 by Waldorf GMBH, written by Ralf Baechle - * Copyright (C) 1995, 96, 97, 98, 99, 2000, 2001 by Ralf Baechle - * - * Adapted for BlackFin (ADI) by Ted Ma <mated@sympatico.ca> - * Copyright (c) 2002 Arcturus Networks Inc. (www.arcturusnetworks.com) - * Copyright (c) 2002 Lineo, Inc. <mattw@lineo.com> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, - * MA 02110-1301 USA - */ - -#ifndef _BLACKFIN_IRQ_H_ -#define _BLACKFIN_IRQ_H_ - -#include <linux/config.h> -#include <asm/hw_irq.h> - -/* - * On the Blackfin, the interrupt structure allows remmapping of the hardware - * levels. - * - I'm going to assume that the H/W level is going to stay at the default - * settings. If someone wants to go through and abstart this out, feel free - * to mod the interrupt numbering scheme. - * - I'm abstracting the interrupts so that uClinux does not know anything - * about the H/W levels. If you want to change the H/W AND keep the abstracted - * levels that uClinux sees, you should be able to do most of it here. - * - I've left the "abstract" numbering sparce in case someone wants to pull the - * interrupts apart (just the TX/RX for the various devices) - */ - -#define NR_IRQS SYS_IRQS -/* - * "Generic" interrupt sources - */ -#define IRQ_SCHED_TIMER (8) /* interrupt source for scheduling timer */ - -static __inline__ int irq_cannonicalize(int irq) -{ - return irq; -} - -/* - * Machine specific interrupt sources. - * - * Adding an interrupt service routine for a source with this bit - * set indicates a special machine specific interrupt source. - * The machine specific files define these sources. - * - * The IRQ_MACHSPEC bit is now gone - the only thing it did was to - * introduce unnecessary overhead. - * - * All interrupt handling is actually machine specific so it is better - * to use function pointers, as used by the Sparc port, and select the - * interrupt handling functions when initializing the kernel. This way - * we save some unnecessary overhead at run-time. - * 01/11/97 - Jes - */ - -extern void (*mach_enable_irq) (unsigned int); -extern void (*mach_disable_irq) (unsigned int); -extern int sys_request_irq(unsigned int, - void (*)(int, void *, struct pt_regs *), - unsigned long, const char *, void *); -extern void sys_free_irq(unsigned int, void *); - -/* - * various flags for request_irq() - the Amiga now uses the standard - * mechanism like all other architectures - SA_INTERRUPT and SA_SHIRQ - * are your friends. - */ -#define IRQ_FLG_LOCK (0x0001) /* handler is not replaceable */ -#define IRQ_FLG_REPLACE (0x0002) /* replace existing handler */ -#define IRQ_FLG_FAST (0x0004) -#define IRQ_FLG_SLOW (0x0008) -#define IRQ_FLG_STD (0x8000) /* internally used */ - -/* - * This structure is used to chain together the ISRs for a particular - * interrupt source (if it supports chaining). - */ -typedef struct irq_node { - void (*handler) (int, void *, struct pt_regs *); - unsigned long flags; - void *dev_id; - const char *devname; - struct irq_node *next; -} irq_node_t; - -/* - * This structure has only 4 elements for speed reasons - */ -typedef struct irq_handler { - void (*handler) (int, void *, struct pt_regs *); - unsigned long flags; - void *dev_id; - const char *devname; -} irq_handler_t; - -/* count of spurious interrupts */ -extern volatile unsigned int num_spurious; - -/* - * This function returns a new irq_node_t - */ -extern irq_node_t *new_irq_node(void); - -/* - * Some drivers want these entry points - */ -#define enable_irq(x) (mach_enable_irq ? (*mach_enable_irq)(x) : 0) -#define disable_irq(x) (mach_disable_irq ? (*mach_disable_irq)(x) : 0) - -#define enable_irq_nosync(x) enable_irq(x) -#define disable_irq_nosync(x) disable_irq(x) - -#endif |