VisionFive2 Linux kernel

StarFive Tech Linux Kernel for VisionFive (JH7110) boards (mirror)

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author: Yoshinori Sato <ysato@users.sourceforge.jp> 2007-07-15 23:38:35 -0700 committer: Linus Torvalds <torvalds@woody.linux-foundation.org> 2007-07-16 09:05:37 -0700 commit: 542f739d12159e3198611aa471359cc63600be1a parent: 86277d594926f3ae4f50ac0fcd9e2fa3cc28a774
Commit Summary:
h8300: remove unused file
Diffstat:
1 file changed, 0 insertions, 220 deletions
diff --git a/arch/h8300/kernel/ints.c b/arch/h8300/kernel/ints.c
deleted file mode 100644
index 3e4f479271c9..000000000000
--- a/arch/h8300/kernel/ints.c
+++ /dev/null
@@ -1,256 +0,0 @@
-/*
- * linux/arch/h8300/kernel/ints.c
- *
- * Yoshinori Sato <ysato@users.sourceforge.jp>
- *
- * Based on linux/arch/$(ARCH)/platform/$(PLATFORM)/ints.c
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file COPYING in the main directory of this archive
- * for more details.
- *
- * Copyright 1996 Roman Zippel
- * Copyright 1999 D. Jeff Dionne <jeff@rt-control.com>
- */
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/kernel_stat.h>
-#include <linux/seq_file.h>
-#include <linux/interrupt.h>
-#include <linux/init.h>
-#include <linux/random.h>
-#include <linux/bootmem.h>
-#include <linux/hardirq.h>
-
-#include <asm/system.h>
-#include <asm/irq.h>
-#include <asm/traps.h>
-#include <asm/io.h>
-#include <asm/setup.h>
-#include <asm/errno.h>
-
-/*
- * This structure has only 4 elements for speed reasons
- */
-typedef struct irq_handler {
-	irqreturn_t (*handler)(int, void *, struct pt_regs *);
-	int         flags;
-	int         count;
-	void	    *dev_id;
-	const char  *devname;
-} irq_handler_t;
-
-static irq_handler_t *irq_list[NR_IRQS];
-static int use_kmalloc;
-
-extern unsigned long *interrupt_redirect_table;
-extern const int h8300_saved_vectors[];
-extern const unsigned long h8300_trap_table[];
-int h8300_enable_irq_pin(unsigned int irq);
-void h8300_disable_irq_pin(unsigned int irq);
-
-#define CPU_VECTOR ((unsigned long *)0x000000)
-#define ADDR_MASK (0xffffff)
-
-#if defined(CONFIG_RAMKERNEL)
-static unsigned long __init *get_vector_address(void)
-{
-	unsigned long *rom_vector = CPU_VECTOR;
-	unsigned long base,tmp;
-	int vec_no;
-
-	base = rom_vector[EXT_IRQ0] & ADDR_MASK;
-	
-	/* check romvector format */
-	for (vec_no = EXT_IRQ1; vec_no <= EXT_IRQ0+EXT_IRQS; vec_no++) {
-		if ((base+(vec_no - EXT_IRQ0)*4) != (rom_vector[vec_no] & ADDR_MASK))
-			return NULL;
-	}
-
-	/* ramvector base address */
-	base -= EXT_IRQ0*4;
-
-	/* writerble check */
-	tmp = ~(*(volatile unsigned long *)base);
-	(*(volatile unsigned long *)base) = tmp;
-	if ((*(volatile unsigned long *)base) != tmp)
-		return NULL;
-	return (unsigned long *)base;
-}
-#endif
-
-void __init init_IRQ(void)
-{
-#if defined(CONFIG_RAMKERNEL)
-	int i;
-	unsigned long *ramvec,*ramvec_p;
-	const unsigned long *trap_entry;
-	const int *saved_vector;
-
-	ramvec = get_vector_address();
-	if (ramvec == NULL)
-		panic("interrupt vector serup failed.");
-	else
-		printk(KERN_INFO "virtual vector at 0x%08lx\n",(unsigned long)ramvec);
-
-	/* create redirect table */
-	ramvec_p = ramvec;
-	trap_entry = h8300_trap_table;
-	saved_vector = h8300_saved_vectors;
-	for ( i = 0; i < NR_IRQS; i++) {
-		if (i == *saved_vector) {
-			ramvec_p++;
-			saved_vector++;
-		} else {
-			if ( i < NR_TRAPS ) {
-				if (*trap_entry)
-					*ramvec_p = VECTOR(*trap_entry);
-				ramvec_p++;
-				trap_entry++;
-			} else
-				*ramvec_p++ = REDIRECT(interrupt_entry);
-		}
-	}
-	interrupt_redirect_table = ramvec;
-#ifdef DUMP_VECTOR
-	ramvec_p = ramvec;
-	for (i = 0; i < NR_IRQS; i++) {
-		if ((i % 8) == 0)
-			printk(KERN_DEBUG "\n%p: ",ramvec_p);
-		printk(KERN_DEBUG "%p ",*ramvec_p);
-		ramvec_p++;
-	}
-	printk(KERN_DEBUG "\n");
-#endif
-#endif
-}
-
-int request_irq(unsigned int irq, 
-		irqreturn_t (*handler)(int, void *, struct pt_regs *),
-                unsigned long flags, const char *devname, void *dev_id)
-{
-	irq_handler_t *irq_handle;
-	if (irq < 0 || irq >= NR_IRQS) {
-		printk(KERN_ERR "Incorrect IRQ %d from %s\n", irq, devname);
-		return -EINVAL;
-	}
-
-	if (irq_list[irq] || (h8300_enable_irq_pin(irq) == -EBUSY))
-		return -EBUSY;
-
-	if (use_kmalloc)
-		irq_handle = kmalloc(sizeof(irq_handler_t), GFP_ATOMIC);
-	else {
-		/* use bootmem allocater */
-		irq_handle = (irq_handler_t *)alloc_bootmem(sizeof(irq_handler_t));
-		irq_handle = (irq_handler_t *)((unsigned long)irq_handle | 0x80000000);
-	}
-
-	if (irq_handle == NULL)
-		return -ENOMEM;
-
-	irq_handle->handler = handler;
-	irq_handle->flags   = flags;
-	irq_handle->count   = 0;
-	irq_handle->dev_id  = dev_id;
-	irq_handle->devname = devname;
-	irq_list[irq] = irq_handle;
-
-	if (irq_handle->flags & IRQF_SAMPLE_RANDOM)
-		rand_initialize_irq(irq);
-
-	enable_irq(irq);
-	return 0;
-}
-
-EXPORT_SYMBOL(request_irq);
-
-void free_irq(unsigned int irq, void *dev_id)
-{
-	if (irq >= NR_IRQS)
-		return;
-
-	if (!irq_list[irq] || irq_list[irq]->dev_id != dev_id)
-		printk(KERN_WARNING "Removing probably wrong IRQ %d from %s\n",
-		       irq, irq_list[irq]->devname);
-	disable_irq(irq);
-	h8300_disable_irq_pin(irq);
-	if (((unsigned long)irq_list[irq] & 0x80000000) == 0) {
-		kfree(irq_list[irq]);
-		irq_list[irq] = NULL;
-	}
-}
-
-EXPORT_SYMBOL(free_irq);
-
-/*
- * Do we need these probe functions on the m68k?
- */
-unsigned long probe_irq_on (void)
-{
-	return 0;
-}
-
-EXPORT_SYMBOL(probe_irq_on);
-
-int probe_irq_off (unsigned long irqs)
-{
-	return 0;
-}
-
-EXPORT_SYMBOL(probe_irq_off);
-
-void enable_irq(unsigned int irq)
-{
-	if (irq >= EXT_IRQ0 && irq <= (EXT_IRQ0 + EXT_IRQS))
-		IER_REGS |= 1 << (irq - EXT_IRQ0);
-}
-
-void disable_irq(unsigned int irq)
-{
-	if (irq >= EXT_IRQ0 && irq <= (EXT_IRQ0 + EXT_IRQS))
-		IER_REGS &= ~(1 << (irq - EXT_IRQ0));
-}
-
-asmlinkage void process_int(int irq, struct pt_regs *fp)
-{
-	irq_enter();
-	h8300_clear_isr(irq);
-	if (irq >= NR_TRAPS && irq < NR_IRQS) {
-		if (irq_list[irq]) {
-			irq_list[irq]->handler(irq, irq_list[irq]->dev_id, fp);
-			irq_list[irq]->count++;
-			if (irq_list[irq]->flags & IRQF_SAMPLE_RANDOM)
-				add_interrupt_randomness(irq);
-		}
-	} else {
-		BUG();
-	}
-	irq_exit();
-}
-
-int show_interrupts(struct seq_file *p, void *v)
-{
-	int i = *(loff_t *) v;
-
-	if ((i < NR_IRQS) && (irq_list[i]!=NULL)) {
-		seq_printf(p, "%3d: %10u ",i,irq_list[i]->count);
-		seq_printf(p, "%s\n", irq_list[i]->devname);
-	}
-
-	return 0;
-}
-
-void init_irq_proc(void)
-{
-}
-
-static int __init enable_kmalloc(void)
-{
-	use_kmalloc = 1;
-	return 0;
-}
-core_initcall(enable_kmalloc);