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-rw-r--r--arch/h8300/kernel/irq.c99
1 files changed, 0 insertions, 99 deletions
diff --git a/arch/h8300/kernel/irq.c b/arch/h8300/kernel/irq.c
deleted file mode 100644
index 8ad6d702cd0b..000000000000
--- a/arch/h8300/kernel/irq.c
+++ /dev/null
@@ -1,99 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * linux/arch/h8300/kernel/irq.c
- *
- * Copyright 2014-2015 Yoshinori Sato <ysato@users.sourceforge.jp>
- */
-
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-#include <linux/irqchip.h>
-#include <linux/irqdomain.h>
-#include <linux/of_irq.h>
-#include <asm/traps.h>
-
-#ifdef CONFIG_RAMKERNEL
-typedef void (*h8300_vector)(void);
-
-static const h8300_vector __initconst trap_table[] = {
- 0, 0, 0, 0,
- _trace_break,
- 0, 0,
- _nmi,
- _system_call,
- 0, 0,
- _trace_break,
-};
-
-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_IRQ0 + 1; 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? */
- tmp = ~(*(volatile unsigned long *)base);
- (*(volatile unsigned long *)base) = tmp;
- if ((*(volatile unsigned long *)base) != tmp)
- return NULL;
- return (unsigned long *)base;
-}
-
-static void __init setup_vector(void)
-{
- int i;
- unsigned long *ramvec, *ramvec_p;
- const h8300_vector *trap_entry;
-
- ramvec = get_vector_address();
- if (ramvec == NULL)
- panic("interrupt vector serup failed.");
- else
- pr_debug("virtual vector at 0x%p\n", ramvec);
-
- /* create redirect table */
- ramvec_p = ramvec;
- trap_entry = trap_table;
- for (i = 0; i < NR_IRQS; i++) {
- if (i < 12) {
- if (*trap_entry)
- *ramvec_p = VECTOR(*trap_entry);
- ramvec_p++;
- trap_entry++;
- } else
- *ramvec_p++ = REDIRECT(_interrupt_entry);
- }
- _interrupt_redirect_table = ramvec;
-}
-#else
-void setup_vector(void)
-{
- /* noting do */
-}
-#endif
-
-void __init init_IRQ(void)
-{
- setup_vector();
- irqchip_init();
-}
-
-asmlinkage void do_IRQ(int irq)
-{
- irq_enter();
- generic_handle_irq(irq);
- irq_exit();
-}