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author | Roman Zippel <zippel@linux-m68k.org> | 2006-06-25 05:47:06 -0700 |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-25 10:00:58 -0700 |
commit | 200a3d352cd5e0ae8fb96bfcf8103f7b7c60645b (patch) | |
tree | e9db90ac38cbfba0f4a4c541733fc4ebd09c5fd7 /arch/m68k/mvme16x | |
parent | ebba61d5b05ecfda388dd4c156bafdb78d398055 (diff) | |
download | linux-200a3d352cd5e0ae8fb96bfcf8103f7b7c60645b.tar.gz linux-200a3d352cd5e0ae8fb96bfcf8103f7b7c60645b.tar.bz2 linux-200a3d352cd5e0ae8fb96bfcf8103f7b7c60645b.zip |
[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>
Diffstat (limited to 'arch/m68k/mvme16x')
-rw-r--r-- | arch/m68k/mvme16x/16xints.c | 150 | ||||
-rw-r--r-- | arch/m68k/mvme16x/Makefile | 2 | ||||
-rw-r--r-- | arch/m68k/mvme16x/config.c | 23 |
3 files changed, 11 insertions, 164 deletions
diff --git a/arch/m68k/mvme16x/16xints.c b/arch/m68k/mvme16x/16xints.c deleted file mode 100644 index 81afada90dd2..000000000000 --- a/arch/m68k/mvme16x/16xints.c +++ /dev/null @@ -1,150 +0,0 @@ -/* - * arch/m68k/mvme16x/16xints.c - * - * Copyright (C) 1995 Richard Hirst [richard@sleepie.demon.co.uk] - * - * based on amiints.c -- Amiga Linux interrupt handling code - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file README.legal in the main directory of this archive - * for more details. - * - */ - -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/interrupt.h> -#include <linux/seq_file.h> - -#include <asm/system.h> -#include <asm/ptrace.h> -#include <asm/irq.h> - -static irqreturn_t mvme16x_defhand (int irq, void *dev_id, struct pt_regs *fp); - -/* - * This should ideally be 4 elements only, for speed. - */ - -static struct { - irqreturn_t (*handler)(int, void *, struct pt_regs *); - unsigned long flags; - void *dev_id; - const char *devname; - unsigned count; -} irq_tab[192]; - -/* - * void mvme16x_init_IRQ (void) - * - * Parameters: None - * - * Returns: Nothing - * - * 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) -{ -} - - diff --git a/arch/m68k/mvme16x/Makefile b/arch/m68k/mvme16x/Makefile index 5129f56b64a3..950e82f21640 100644 --- a/arch/m68k/mvme16x/Makefile +++ b/arch/m68k/mvme16x/Makefile @@ -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 diff --git a/arch/m68k/mvme16x/config.c b/arch/m68k/mvme16x/config.c index 26ce81c1337d..ce2727ed1bc0 100644 --- a/arch/m68k/mvme16x/config.c +++ b/arch/m68k/mvme16x/config.c @@ -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; |