diff options
Diffstat (limited to 'arch/m68k')
| -rw-r--r-- | arch/m68k/apollo/config.c | 24 | ||||
| -rw-r--r-- | arch/m68k/apollo/dn_ints.c | 137 |
2 files changed, 33 insertions, 128 deletions
diff --git a/arch/m68k/apollo/config.c b/arch/m68k/apollo/config.c index d401962d9b2..99c70978aaf 100644 --- a/arch/m68k/apollo/config.c +++ b/arch/m68k/apollo/config.c @@ -28,11 +28,6 @@ u_long apollo_model; extern void dn_sched_init(irqreturn_t (*handler)(int,void *,struct pt_regs *)); extern void dn_init_IRQ(void); -extern int dn_request_irq(unsigned int irq, irqreturn_t (*handler)(int, void *, struct pt_regs *), unsigned long flags, const char *devname, void *dev_id); -extern void dn_free_irq(unsigned int irq, void *dev_id); -extern void dn_enable_irq(unsigned int); -extern void dn_disable_irq(unsigned int); -extern int show_dn_interrupts(struct seq_file *, void *); extern unsigned long dn_gettimeoffset(void); extern int dn_dummy_hwclk(int, struct rtc_time *); extern int dn_dummy_set_clock_mmss(unsigned long); @@ -40,13 +35,11 @@ extern void dn_dummy_reset(void); extern void dn_dummy_waitbut(void); extern struct fb_info *dn_fb_init(long *); extern void dn_dummy_debug_init(void); -extern void dn_dummy_video_setup(char *,int *); extern irqreturn_t dn_process_int(int irq, struct pt_regs *fp); #ifdef CONFIG_HEARTBEAT static void dn_heartbeat(int on); #endif static irqreturn_t dn_timer_int(int irq,void *, struct pt_regs *); -static irqreturn_t (*sched_timer_handler)(int, void *, struct pt_regs *)=NULL; static void dn_get_model(char *model); static const char *apollo_models[] = { [APOLLO_DN3000-APOLLO_DN3000] = "DN3000 (Otter)", @@ -164,17 +157,10 @@ void config_apollo(void) { mach_sched_init=dn_sched_init; /* */ mach_init_IRQ=dn_init_IRQ; - mach_default_handler=NULL; - mach_request_irq = dn_request_irq; - mach_free_irq = dn_free_irq; - enable_irq = dn_enable_irq; - disable_irq = dn_disable_irq; - mach_get_irq_list = show_dn_interrupts; mach_gettimeoffset = dn_gettimeoffset; mach_max_dma_address = 0xffffffff; mach_hwclk = dn_dummy_hwclk; /* */ mach_set_clock_mmss = dn_dummy_set_clock_mmss; /* */ - mach_process_int = dn_process_int; mach_reset = dn_dummy_reset; /* */ #ifdef CONFIG_HEARTBEAT mach_heartbeat = dn_heartbeat; @@ -189,11 +175,13 @@ void config_apollo(void) { } -irqreturn_t dn_timer_int(int irq, void *dev_id, struct pt_regs *fp) { +irqreturn_t dn_timer_int(int irq, void *dev_id, struct pt_regs *fp) +{ + irqreturn_t (*timer_handler)(int, void *, struct pt_regs *) = dev_id; volatile unsigned char x; - sched_timer_handler(irq,dev_id,fp); + timer_handler(irq, dev_id, fp); x=*(volatile unsigned char *)(timer+3); x=*(volatile unsigned char *)(timer+5); @@ -217,9 +205,7 @@ void dn_sched_init(irqreturn_t (*timer_routine)(int, void *, struct pt_regs *)) printk("*(0x10803) %02x\n",*(volatile unsigned char *)(timer+0x3)); #endif - sched_timer_handler=timer_routine; - request_irq(0,dn_timer_int,0,NULL,NULL); - + request_irq(IRQ_APOLLO, dn_timer_int, 0, "time", timer_routine); } unsigned long dn_gettimeoffset(void) { diff --git a/arch/m68k/apollo/dn_ints.c b/arch/m68k/apollo/dn_ints.c index a31259359a1..9fe07803797 100644 --- a/arch/m68k/apollo/dn_ints.c +++ b/arch/m68k/apollo/dn_ints.c @@ -1,125 +1,44 @@ -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/jiffies.h> -#include <linux/kernel_stat.h> -#include <linux/timer.h> +#include <linux/interrupt.h> -#include <asm/system.h> #include <asm/irq.h> #include <asm/traps.h> -#include <asm/page.h> -#include <asm/machdep.h> #include <asm/apollohw.h> -#include <asm/errno.h> -static irq_handler_t dn_irqs[16]; - -irqreturn_t dn_process_int(int irq, struct pt_regs *fp) +void dn_process_int(unsigned int irq, struct pt_regs *fp) { - irqreturn_t res = IRQ_NONE; - - if(dn_irqs[irq-160].handler) { - res = dn_irqs[irq-160].handler(irq,dn_irqs[irq-160].dev_id,fp); - } else { - printk("spurious irq %d occurred\n",irq); - } - - *(volatile unsigned char *)(pica)=0x20; - *(volatile unsigned char *)(picb)=0x20; - - return res; -} - -void dn_init_IRQ(void) { - - int i; - - for(i=0;i<16;i++) { - dn_irqs[i].handler=NULL; - dn_irqs[i].flags=IRQ_FLG_STD; - dn_irqs[i].dev_id=NULL; - dn_irqs[i].devname=NULL; - } - -} - -int dn_request_irq(unsigned int irq, irqreturn_t (*handler)(int, void *, struct pt_regs *), unsigned long flags, const char *devname, void *dev_id) { - - if((irq<0) || (irq>15)) { - printk("Trying to request invalid IRQ\n"); - return -ENXIO; - } - - if(!dn_irqs[irq].handler) { - dn_irqs[irq].handler=handler; - dn_irqs[irq].flags=IRQ_FLG_STD; - dn_irqs[irq].dev_id=dev_id; - dn_irqs[irq].devname=devname; - if(irq<8) - *(volatile unsigned char *)(pica+1)&=~(1<<irq); - else - *(volatile unsigned char *)(picb+1)&=~(1<<(irq-8)); - - return 0; - } - else { - printk("Trying to request already assigned irq %d\n",irq); - return -ENXIO; - } - -} - -void dn_free_irq(unsigned int irq, void *dev_id) { - - if((irq<0) || (irq>15)) { - printk("Trying to free invalid IRQ\n"); - return ; - } - - if(irq<8) - *(volatile unsigned char *)(pica+1)|=(1<<irq); - else - *(volatile unsigned char *)(picb+1)|=(1<<(irq-8)); - - dn_irqs[irq].handler=NULL; - dn_irqs[irq].flags=IRQ_FLG_STD; - dn_irqs[irq].dev_id=NULL; - dn_irqs[irq].devname=NULL; - - return ; - -} - -void dn_enable_irq(unsigned int irq) { - - printk("dn enable irq\n"); - -} - -void dn_disable_irq(unsigned int irq) { - - printk("dn disable irq\n"); + m68k_handle_int(irq, fp); + *(volatile unsigned char *)(pica)=0x20; + *(volatile unsigned char *)(picb)=0x20; } -int show_dn_interrupts(struct seq_file *p, void *v) { - - printk("dn get irq list\n"); - - return 0; - +int apollo_irq_startup(unsigned int irq) +{ + if (irq < 8) + *(volatile unsigned char *)(pica+1) &= ~(1 << irq); + else + *(volatile unsigned char *)(picb+1) &= ~(1 << (irq - 8)); + return 0; } -struct fb_info *dn_dummy_fb_init(long *mem_start) { - - printk("fb init\n"); - - return NULL; - +void apollo_irq_shutdown(unsigned int irq) +{ + if (irq < 8) + *(volatile unsigned char *)(pica+1) |= (1 << irq); + else + *(volatile unsigned char *)(picb+1) |= (1 << (irq - 8)); } -void dn_dummy_video_setup(char *options,int *ints) { +static struct irq_controller apollo_irq_controller = { + .name = "apollo", + .lock = SPIN_LOCK_UNLOCKED, + .startup = apollo_irq_startup, + .shutdown = apollo_irq_shutdown, +}; - printk("no video yet\n"); +void dn_init_IRQ(void) +{ + m68k_setup_user_interrupt(VEC_USER + 96, 16, dn_process_int); + m68k_setup_irq_controller(&apollo_irq_controller, IRQ_APOLLO, 16); } |