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[PATCH] m68k: convert VME irq code
Signed-off-by: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Roman Zippel
committed by
Linus Torvalds
Linus Torvalds
parent
ebba61d5b0
commit
200a3d352c
@@ -2,4 +2,4 @@
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# Makefile for Linux arch/m68k/bvme6000 source directory
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#
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obj-y := config.o bvmeints.o rtc.o
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obj-y := config.o rtc.o
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@@ -1,161 +0,0 @@
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/*
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* arch/m68k/bvme6000/bvmeints.c
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*
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* Copyright (C) 1997 Richard Hirst [richard@sleepie.demon.co.uk]
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*
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* based on amiints.c -- Amiga Linux interrupt handling code
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file README.legal in the main directory of this archive
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* for more details.
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*
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*/
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#include <linux/types.h>
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#include <linux/kernel.h>
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#include <linux/errno.h>
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#include <linux/interrupt.h>
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#include <linux/seq_file.h>
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#include <asm/ptrace.h>
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#include <asm/system.h>
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#include <asm/irq.h>
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#include <asm/traps.h>
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static irqreturn_t bvme6000_defhand (int irq, void *dev_id, struct pt_regs *fp);
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/*
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* This should ideally be 4 elements only, for speed.
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*/
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static struct {
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irqreturn_t (*handler)(int, void *, struct pt_regs *);
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unsigned long flags;
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void *dev_id;
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const char *devname;
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unsigned count;
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} irq_tab[256];
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/*
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* void bvme6000_init_IRQ (void)
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*
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* Parameters: None
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*
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* Returns: Nothing
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*
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* This function is called during kernel startup to initialize
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* the bvme6000 IRQ handling routines.
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*/
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void bvme6000_init_IRQ (void)
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{
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int i;
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for (i = 0; i < 256; i++) {
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irq_tab[i].handler = bvme6000_defhand;
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irq_tab[i].flags = IRQ_FLG_STD;
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irq_tab[i].dev_id = NULL;
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irq_tab[i].devname = NULL;
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irq_tab[i].count = 0;
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}
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}
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int bvme6000_request_irq(unsigned int irq,
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irqreturn_t (*handler)(int, void *, struct pt_regs *),
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unsigned long flags, const char *devname, void *dev_id)
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{
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if (irq > 255) {
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printk("%s: Incorrect IRQ %d from %s\n", __FUNCTION__, irq, devname);
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return -ENXIO;
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}
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#if 0
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/* Nothing special about auto-vectored devices for the BVME6000,
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* but treat it specially to avoid changes elsewhere.
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*/
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if (irq >= VEC_INT1 && irq <= VEC_INT7)
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return cpu_request_irq(irq - VEC_SPUR, handler, flags,
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devname, dev_id);
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#endif
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if (!(irq_tab[irq].flags & IRQ_FLG_STD)) {
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if (irq_tab[irq].flags & IRQ_FLG_LOCK) {
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printk("%s: IRQ %d from %s is not replaceable\n",
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__FUNCTION__, irq, irq_tab[irq].devname);
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return -EBUSY;
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}
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if (flags & IRQ_FLG_REPLACE) {
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printk("%s: %s can't replace IRQ %d from %s\n",
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__FUNCTION__, devname, irq, irq_tab[irq].devname);
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return -EBUSY;
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}
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}
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irq_tab[irq].handler = handler;
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irq_tab[irq].flags = flags;
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irq_tab[irq].dev_id = dev_id;
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irq_tab[irq].devname = devname;
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return 0;
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}
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void bvme6000_free_irq(unsigned int irq, void *dev_id)
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{
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if (irq > 255) {
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printk("%s: Incorrect IRQ %d\n", __FUNCTION__, irq);
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return;
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}
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#if 0
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if (irq >= VEC_INT1 && irq <= VEC_INT7) {
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cpu_free_irq(irq - VEC_SPUR, dev_id);
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return;
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}
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#endif
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if (irq_tab[irq].dev_id != dev_id)
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printk("%s: Removing probably wrong IRQ %d from %s\n",
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__FUNCTION__, irq, irq_tab[irq].devname);
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irq_tab[irq].handler = bvme6000_defhand;
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irq_tab[irq].flags = IRQ_FLG_STD;
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irq_tab[irq].dev_id = NULL;
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irq_tab[irq].devname = NULL;
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}
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irqreturn_t bvme6000_process_int (unsigned long vec, struct pt_regs *fp)
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{
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if (vec > 255) {
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printk ("bvme6000_process_int: Illegal vector %ld", vec);
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return IRQ_NONE;
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} else {
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irq_tab[vec].count++;
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irq_tab[vec].handler(vec, irq_tab[vec].dev_id, fp);
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return IRQ_HANDLED;
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}
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}
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int show_bvme6000_interrupts(struct seq_file *p, void *v)
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{
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int i;
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for (i = 0; i < 256; i++) {
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if (irq_tab[i].count)
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seq_printf(p, "Vec 0x%02x: %8d %s\n",
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i, irq_tab[i].count,
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irq_tab[i].devname ? irq_tab[i].devname : "free");
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}
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return 0;
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}
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static irqreturn_t bvme6000_defhand (int irq, void *dev_id, struct pt_regs *fp)
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{
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printk ("Unknown interrupt 0x%02x\n", irq);
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return IRQ_NONE;
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}
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void bvme6000_enable_irq (unsigned int irq)
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{
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}
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void bvme6000_disable_irq (unsigned int irq)
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{
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}
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@@ -36,15 +36,8 @@
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#include <asm/machdep.h>
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#include <asm/bvme6000hw.h>
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extern irqreturn_t bvme6000_process_int (int level, struct pt_regs *regs);
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extern void bvme6000_init_IRQ (void);
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extern void bvme6000_free_irq (unsigned int, void *);
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extern int show_bvme6000_interrupts(struct seq_file *, void *);
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extern void bvme6000_enable_irq (unsigned int);
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extern void bvme6000_disable_irq (unsigned int);
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static void bvme6000_get_model(char *model);
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static int bvme6000_get_hardware_list(char *buffer);
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extern int bvme6000_request_irq(unsigned int irq, irqreturn_t (*handler)(int, void *, struct pt_regs *), unsigned long flags, const char *devname, void *dev_id);
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extern void bvme6000_sched_init(irqreturn_t (*handler)(int, void *, struct pt_regs *));
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extern unsigned long bvme6000_gettimeoffset (void);
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extern int bvme6000_hwclk (int, struct rtc_time *);
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@@ -100,6 +93,14 @@ static int bvme6000_get_hardware_list(char *buffer)
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return 0;
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}
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/*
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* This function is called during kernel startup to initialize
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* the bvme6000 IRQ handling routines.
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*/
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static void bvme6000_init_IRQ(void)
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{
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m68k_setup_user_interrupt(VEC_USER, 192, NULL);
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}
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void __init config_bvme6000(void)
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{
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@@ -127,12 +128,6 @@ void __init config_bvme6000(void)
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mach_hwclk = bvme6000_hwclk;
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mach_set_clock_mmss = bvme6000_set_clock_mmss;
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mach_reset = bvme6000_reset;
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mach_free_irq = bvme6000_free_irq;
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mach_process_int = bvme6000_process_int;
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mach_get_irq_list = show_bvme6000_interrupts;
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mach_request_irq = bvme6000_request_irq;
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enable_irq = bvme6000_enable_irq;
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disable_irq = bvme6000_disable_irq;
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mach_get_model = bvme6000_get_model;
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mach_get_hardware_list = bvme6000_get_hardware_list;
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@@ -1,146 +0,0 @@
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/*
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* arch/m68k/mvme147/147ints.c
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*
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* Copyright (C) 1997 Richard Hirst [richard@sleepie.demon.co.uk]
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*
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* based on amiints.c -- Amiga Linux interrupt handling code
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file README.legal in the main directory of this archive
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* for more details.
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*
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*/
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#include <linux/types.h>
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#include <linux/kernel.h>
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#include <linux/errno.h>
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#include <linux/interrupt.h>
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#include <linux/seq_file.h>
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#include <asm/ptrace.h>
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#include <asm/system.h>
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#include <asm/irq.h>
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#include <asm/traps.h>
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static irqreturn_t mvme147_defhand (int irq, void *dev_id, struct pt_regs *fp);
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/*
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* This should ideally be 4 elements only, for speed.
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*/
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static struct {
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irqreturn_t (*handler)(int, void *, struct pt_regs *);
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unsigned long flags;
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void *dev_id;
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const char *devname;
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unsigned count;
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} irq_tab[256];
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/*
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* void mvme147_init_IRQ (void)
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*
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* Parameters: None
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*
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* Returns: Nothing
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*
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* This function is called during kernel startup to initialize
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* the mvme147 IRQ handling routines.
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*/
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void mvme147_init_IRQ (void)
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{
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int i;
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for (i = 0; i < 256; i++) {
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irq_tab[i].handler = mvme147_defhand;
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irq_tab[i].flags = IRQ_FLG_STD;
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irq_tab[i].dev_id = NULL;
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irq_tab[i].devname = NULL;
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irq_tab[i].count = 0;
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}
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}
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int mvme147_request_irq(unsigned int irq,
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irqreturn_t (*handler)(int, void *, struct pt_regs *),
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unsigned long flags, const char *devname, void *dev_id)
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{
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if (irq > 255) {
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printk("%s: Incorrect IRQ %d from %s\n", __FUNCTION__, irq, devname);
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return -ENXIO;
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}
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if (!(irq_tab[irq].flags & IRQ_FLG_STD)) {
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if (irq_tab[irq].flags & IRQ_FLG_LOCK) {
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printk("%s: IRQ %d from %s is not replaceable\n",
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__FUNCTION__, irq, irq_tab[irq].devname);
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return -EBUSY;
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}
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if (flags & IRQ_FLG_REPLACE) {
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printk("%s: %s can't replace IRQ %d from %s\n",
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__FUNCTION__, devname, irq, irq_tab[irq].devname);
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return -EBUSY;
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}
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}
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irq_tab[irq].handler = handler;
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irq_tab[irq].flags = flags;
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irq_tab[irq].dev_id = dev_id;
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irq_tab[irq].devname = devname;
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return 0;
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}
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void mvme147_free_irq(unsigned int irq, void *dev_id)
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{
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if (irq > 255) {
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printk("%s: Incorrect IRQ %d\n", __FUNCTION__, irq);
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return;
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}
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if (irq_tab[irq].dev_id != dev_id)
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printk("%s: Removing probably wrong IRQ %d from %s\n",
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__FUNCTION__, irq, irq_tab[irq].devname);
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irq_tab[irq].handler = mvme147_defhand;
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irq_tab[irq].flags = IRQ_FLG_STD;
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irq_tab[irq].dev_id = NULL;
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irq_tab[irq].devname = NULL;
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}
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irqreturn_t mvme147_process_int (unsigned long vec, struct pt_regs *fp)
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{
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if (vec > 255) {
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printk ("mvme147_process_int: Illegal vector %ld\n", vec);
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return IRQ_NONE;
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} else {
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irq_tab[vec].count++;
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irq_tab[vec].handler(vec, irq_tab[vec].dev_id, fp);
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return IRQ_HANDLED;
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}
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}
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int show_mvme147_interrupts (struct seq_file *p, void *v)
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{
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int i;
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for (i = 0; i < 256; i++) {
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if (irq_tab[i].count)
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seq_printf(p, "Vec 0x%02x: %8d %s\n",
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i, irq_tab[i].count,
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irq_tab[i].devname ? irq_tab[i].devname : "free");
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}
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return 0;
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}
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static irqreturn_t mvme147_defhand (int irq, void *dev_id, struct pt_regs *fp)
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{
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printk ("Unknown interrupt 0x%02x\n", irq);
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return IRQ_NONE;
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}
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void mvme147_enable_irq (unsigned int irq)
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{
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}
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void mvme147_disable_irq (unsigned int irq)
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{
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}
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@@ -2,4 +2,4 @@
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# Makefile for Linux arch/m68k/mvme147 source directory
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#
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obj-y := config.o 147ints.o
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obj-y := config.o
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@@ -36,15 +36,8 @@
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#include <asm/mvme147hw.h>
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extern irqreturn_t mvme147_process_int (int level, struct pt_regs *regs);
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extern void mvme147_init_IRQ (void);
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extern void mvme147_free_irq (unsigned int, void *);
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extern int show_mvme147_interrupts (struct seq_file *, void *);
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extern void mvme147_enable_irq (unsigned int);
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extern void mvme147_disable_irq (unsigned int);
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static void mvme147_get_model(char *model);
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static int mvme147_get_hardware_list(char *buffer);
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extern int mvme147_request_irq (unsigned int irq, irqreturn_t (*handler)(int, void *, struct pt_regs *), unsigned long flags, const char *devname, void *dev_id);
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extern void mvme147_sched_init(irqreturn_t (*handler)(int, void *, struct pt_regs *));
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extern unsigned long mvme147_gettimeoffset (void);
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extern int mvme147_hwclk (int, struct rtc_time *);
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@@ -91,6 +84,15 @@ static int mvme147_get_hardware_list(char *buffer)
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return 0;
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}
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/*
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* This function is called during kernel startup to initialize
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* the mvme147 IRQ handling routines.
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*/
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void mvme147_init_IRQ(void)
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{
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m68k_setup_user_interrupt(VEC_USER, 192, NULL);
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}
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void __init config_mvme147(void)
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{
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@@ -101,12 +103,6 @@ void __init config_mvme147(void)
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mach_hwclk = mvme147_hwclk;
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mach_set_clock_mmss = mvme147_set_clock_mmss;
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mach_reset = mvme147_reset;
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mach_free_irq = mvme147_free_irq;
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mach_process_int = mvme147_process_int;
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mach_get_irq_list = show_mvme147_interrupts;
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mach_request_irq = mvme147_request_irq;
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enable_irq = mvme147_enable_irq;
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disable_irq = mvme147_disable_irq;
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mach_get_model = mvme147_get_model;
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mach_get_hardware_list = mvme147_get_hardware_list;
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@@ -1,150 +0,0 @@
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/*
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* arch/m68k/mvme16x/16xints.c
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*
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* Copyright (C) 1995 Richard Hirst [richard@sleepie.demon.co.uk]
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*
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* based on amiints.c -- Amiga Linux interrupt handling code
|
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*
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* This file is subject to the terms and conditions of the GNU General Public
|
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* License. See the file README.legal in the main directory of this archive
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* for more details.
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*
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*/
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#include <linux/types.h>
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#include <linux/kernel.h>
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#include <linux/errno.h>
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#include <linux/interrupt.h>
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#include <linux/seq_file.h>
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#include <asm/system.h>
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#include <asm/ptrace.h>
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#include <asm/irq.h>
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static irqreturn_t mvme16x_defhand (int irq, void *dev_id, struct pt_regs *fp);
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/*
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* This should ideally be 4 elements only, for speed.
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*/
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static struct {
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irqreturn_t (*handler)(int, void *, struct pt_regs *);
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unsigned long flags;
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void *dev_id;
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const char *devname;
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unsigned count;
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} irq_tab[192];
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/*
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* void mvme16x_init_IRQ (void)
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*
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* Parameters: None
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*
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* Returns: Nothing
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*
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* This function is called during kernel startup to initialize
|
||||
* the mvme16x IRQ handling routines. Should probably ensure
|
||||
* that the base vectors for the VMEChip2 and PCCChip2 are valid.
|
||||
*/
|
||||
|
||||
void mvme16x_init_IRQ (void)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < 192; i++) {
|
||||
irq_tab[i].handler = mvme16x_defhand;
|
||||
irq_tab[i].flags = IRQ_FLG_STD;
|
||||
irq_tab[i].dev_id = NULL;
|
||||
irq_tab[i].devname = NULL;
|
||||
irq_tab[i].count = 0;
|
||||
}
|
||||
}
|
||||
|
||||
int mvme16x_request_irq(unsigned int irq,
|
||||
irqreturn_t (*handler)(int, void *, struct pt_regs *),
|
||||
unsigned long flags, const char *devname, void *dev_id)
|
||||
{
|
||||
if (irq < 64 || irq > 255) {
|
||||
printk("%s: Incorrect IRQ %d from %s\n", __FUNCTION__, irq, devname);
|
||||
return -ENXIO;
|
||||
}
|
||||
|
||||
if (!(irq_tab[irq-64].flags & IRQ_FLG_STD)) {
|
||||
if (irq_tab[irq-64].flags & IRQ_FLG_LOCK) {
|
||||
printk("%s: IRQ %d from %s is not replaceable\n",
|
||||
__FUNCTION__, irq, irq_tab[irq-64].devname);
|
||||
return -EBUSY;
|
||||
}
|
||||
if (flags & IRQ_FLG_REPLACE) {
|
||||
printk("%s: %s can't replace IRQ %d from %s\n",
|
||||
__FUNCTION__, devname, irq, irq_tab[irq-64].devname);
|
||||
return -EBUSY;
|
||||
}
|
||||
}
|
||||
irq_tab[irq-64].handler = handler;
|
||||
irq_tab[irq-64].flags = flags;
|
||||
irq_tab[irq-64].dev_id = dev_id;
|
||||
irq_tab[irq-64].devname = devname;
|
||||
return 0;
|
||||
}
|
||||
|
||||
void mvme16x_free_irq(unsigned int irq, void *dev_id)
|
||||
{
|
||||
if (irq < 64 || irq > 255) {
|
||||
printk("%s: Incorrect IRQ %d\n", __FUNCTION__, irq);
|
||||
return;
|
||||
}
|
||||
|
||||
if (irq_tab[irq-64].dev_id != dev_id)
|
||||
printk("%s: Removing probably wrong IRQ %d from %s\n",
|
||||
__FUNCTION__, irq, irq_tab[irq-64].devname);
|
||||
|
||||
irq_tab[irq-64].handler = mvme16x_defhand;
|
||||
irq_tab[irq-64].flags = IRQ_FLG_STD;
|
||||
irq_tab[irq-64].dev_id = NULL;
|
||||
irq_tab[irq-64].devname = NULL;
|
||||
}
|
||||
|
||||
irqreturn_t mvme16x_process_int (unsigned long vec, struct pt_regs *fp)
|
||||
{
|
||||
if (vec < 64 || vec > 255) {
|
||||
printk ("mvme16x_process_int: Illegal vector %ld", vec);
|
||||
return IRQ_NONE;
|
||||
} else {
|
||||
irq_tab[vec-64].count++;
|
||||
irq_tab[vec-64].handler(vec, irq_tab[vec-64].dev_id, fp);
|
||||
return IRQ_HANDLED;
|
||||
}
|
||||
}
|
||||
|
||||
int show_mvme16x_interrupts (struct seq_file *p, void *v)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < 192; i++) {
|
||||
if (irq_tab[i].count)
|
||||
seq_printf(p, "Vec 0x%02x: %8d %s\n",
|
||||
i+64, irq_tab[i].count,
|
||||
irq_tab[i].devname ? irq_tab[i].devname : "free");
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
static irqreturn_t mvme16x_defhand (int irq, void *dev_id, struct pt_regs *fp)
|
||||
{
|
||||
printk ("Unknown interrupt 0x%02x\n", irq);
|
||||
return IRQ_NONE;
|
||||
}
|
||||
|
||||
|
||||
void mvme16x_enable_irq (unsigned int irq)
|
||||
{
|
||||
}
|
||||
|
||||
|
||||
void mvme16x_disable_irq (unsigned int irq)
|
||||
{
|
||||
}
|
||||
|
||||
|
||||
@@ -2,4 +2,4 @@
|
||||
# Makefile for Linux arch/m68k/mvme16x source directory
|
||||
#
|
||||
|
||||
obj-y := config.o 16xints.o rtc.o mvme16x_ksyms.o
|
||||
obj-y := config.o rtc.o mvme16x_ksyms.o
|
||||
|
||||
+10
-13
@@ -40,15 +40,8 @@ extern t_bdid mvme_bdid;
|
||||
|
||||
static MK48T08ptr_t volatile rtc = (MK48T08ptr_t)MVME_RTC_BASE;
|
||||
|
||||
extern irqreturn_t mvme16x_process_int (int level, struct pt_regs *regs);
|
||||
extern void mvme16x_init_IRQ (void);
|
||||
extern void mvme16x_free_irq (unsigned int, void *);
|
||||
extern int show_mvme16x_interrupts (struct seq_file *, void *);
|
||||
extern void mvme16x_enable_irq (unsigned int);
|
||||
extern void mvme16x_disable_irq (unsigned int);
|
||||
static void mvme16x_get_model(char *model);
|
||||
static int mvme16x_get_hardware_list(char *buffer);
|
||||
extern int mvme16x_request_irq(unsigned int irq, irqreturn_t (*handler)(int, void *, struct pt_regs *), unsigned long flags, const char *devname, void *dev_id);
|
||||
extern void mvme16x_sched_init(irqreturn_t (*handler)(int, void *, struct pt_regs *));
|
||||
extern unsigned long mvme16x_gettimeoffset (void);
|
||||
extern int mvme16x_hwclk (int, struct rtc_time *);
|
||||
@@ -120,6 +113,16 @@ static int mvme16x_get_hardware_list(char *buffer)
|
||||
return (len);
|
||||
}
|
||||
|
||||
/*
|
||||
* This function is called during kernel startup to initialize
|
||||
* the mvme16x IRQ handling routines. Should probably ensure
|
||||
* that the base vectors for the VMEChip2 and PCCChip2 are valid.
|
||||
*/
|
||||
|
||||
static void mvme16x_init_IRQ (void)
|
||||
{
|
||||
m68k_setup_user_interrupt(VEC_USER, 192, NULL);
|
||||
}
|
||||
|
||||
#define pcc2chip ((volatile u_char *)0xfff42000)
|
||||
#define PccSCCMICR 0x1d
|
||||
@@ -138,12 +141,6 @@ void __init config_mvme16x(void)
|
||||
mach_hwclk = mvme16x_hwclk;
|
||||
mach_set_clock_mmss = mvme16x_set_clock_mmss;
|
||||
mach_reset = mvme16x_reset;
|
||||
mach_free_irq = mvme16x_free_irq;
|
||||
mach_process_int = mvme16x_process_int;
|
||||
mach_get_irq_list = show_mvme16x_interrupts;
|
||||
mach_request_irq = mvme16x_request_irq;
|
||||
enable_irq = mvme16x_enable_irq;
|
||||
disable_irq = mvme16x_disable_irq;
|
||||
mach_get_model = mvme16x_get_model;
|
||||
mach_get_hardware_list = mvme16x_get_hardware_list;
|
||||
|
||||
|
||||
Reference in New Issue
Block a user