1 files changed, 0 insertions, 266 deletions
diff --git a/board/MAI/AmigaOneG3SE/interrupts.c b/board/MAI/AmigaOneG3SE/interrupts.c
deleted file mode 100644
index de46d6e..0000000
--- a/board/MAI/AmigaOneG3SE/interrupts.c
+++ /dev/null
@@ -1,266 +0,0 @@
-/*
- * (C) Copyright 2002
- * John W. Linville <linville@tuxdriver.com>
- *
- *    Copied and modified from original code by Josh Huber.  Original
- *    copyright notice preserved below.
- *
- * (C) Copyright 2001
- * Josh Huber <huber@mclx.com>, Mission Critical Linux, Inc.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-/*
- * interrupts.c - just enough support for the decrementer/timer
- */
-
-#include <common.h>
-#include <asm/processor.h>
-#include <command.h>
-#include "i8259.h"
-
-#undef DEBUG
-#ifdef  DEBUG
-#define PRINTF(fmt,args...)     printf (fmt ,##args)
-#else
-#define PRINTF(fmt,args...)
-#endif
-#define NR_IRQS	16
-
-void irq_alloc_init(void);
-long irq_alloc(long wanted);
-
-/****************************************************************************/
-
-unsigned decrementer_count;	     /* count value for 1e6/HZ microseconds */
-
-struct irq_action {
-    interrupt_handler_t *handler;
-    void *arg;
-    ulong count;
-};
-
-static struct irq_action irq_handlers[NR_IRQS];
-
-/****************************************************************************/
-
-static __inline__ unsigned long
-get_msr(void)
-{
-	unsigned long msr;
-
-	asm volatile("mfmsr %0" : "=r" (msr) :);
-	return msr;
-}
-
-static __inline__ void
-set_msr(unsigned long msr)
-{
-	asm volatile("mtmsr %0" : : "r" (msr));
-}
-
-static __inline__ unsigned long
-get_dec(void)
-{
-	unsigned long val;
-
-	asm volatile("mfdec %0" : "=r" (val) :);
-	return val;
-}
-
-
-static __inline__ void
-set_dec(unsigned long val)
-{
-	asm volatile("mtdec %0" : : "r" (val));
-}
-
-
-void
-enable_interrupts(void)
-{
-    set_msr (get_msr() | MSR_EE);
-}
-
-/* returns flag if MSR_EE was set before */
-int
-disable_interrupts(void)
-{
-    ulong msr;
-
-    msr = get_msr();
-    set_msr (msr & ~MSR_EE);
-    return ((msr & MSR_EE) != 0);
-}
-
-/****************************************************************************/
-
-int interrupt_init (void)
-{
-    extern void new_reset(void);
-    extern void new_reset_end(void);
-#ifdef DEBUG
-	puts("interrupt_init: setting decrementer_count\n");
-#endif
-	decrementer_count = get_tbclk() / CONFIG_SYS_HZ;
-
-#ifdef DEBUG
-	puts("interrupt_init: setting actual decremter\n");
-#endif
-	set_dec (get_tbclk() / CONFIG_SYS_HZ);
-
-#ifdef DEBUG
-	puts("interrupt_init: clearing external interrupt table\n");
-#endif
-	/* clear external interrupt table here */
-	memset(irq_handlers, 0, sizeof(irq_handlers));
-
-#ifdef DEBUG
-	puts("interrupt_init: initializing interrupt controller\n");
-#endif
-	i8259_init();
-
-#ifdef DEBUG
-	puts("Copying reset trampoline\n");
-#endif
-	/* WARNING: Assmues that the first megabyte is CACHEINHIBIT! */
-	memcpy((void *)0x100, new_reset, new_reset_end - new_reset);
-
-#ifdef DEBUG
-	PRINTF("interrupt_init: enabling interrupts (msr = %08x)\n",
-		get_msr());
-#endif
-	set_msr (get_msr() | MSR_EE);
-
-#ifdef DEBUG
-	PRINTF("interrupt_init: done. (msr = %08x)\n", get_msr());
-#endif
-
-}
-
-/****************************************************************************/
-
-/*
- * Handle external interrupts
- */
-void
-external_interrupt(struct pt_regs *regs)
-{
-    extern int i8259_irq(void);
-
-	int irq, unmask = 1;
-
-	irq = i8259_irq(); /*i8259_get_irq(regs); */
-/*	printf("irq = %d, handler at %p ack=%d\n", irq, irq_handlers[irq].handler, *(volatile unsigned char *)0xFEF00000); */
-	i8259_mask_and_ack(irq);
-
-	if (irq_handlers[irq].handler != NULL)
-		(*irq_handlers[irq].handler)(irq_handlers[irq].arg);
-	else {
-		PRINTF ("\nBogus External Interrupt IRQ %d\n", irq);
-		/*
-		* turn off the bogus interrupt, otherwise it
-		* might repeat forever
-		*/
-		unmask = 0;
-	}
-
-	if (unmask) i8259_unmask_irq(irq);
-}
-
-volatile ulong timestamp = 0;
-
-/*
- * timer_interrupt - gets called when the decrementer overflows,
- * with interrupts disabled.
- * Trivial implementation - no need to be really accurate.
- */
-void
-timer_interrupt(struct pt_regs *regs)
-{
-	set_dec(decrementer_count);
-	timestamp++;
-}
-
-/****************************************************************************/
-
-void
-reset_timer(void)
-{
-	timestamp = 0;
-}
-
-ulong
-get_timer(ulong base)
-{
-	return (timestamp - base);
-}
-
-void
-set_timer(ulong t)
-{
-	timestamp = t;
-}
-
-/****************************************************************************/
-
-/*
- * Install and free a interrupt handler.
- */
-
-void
-irq_install_handler(int irq, interrupt_handler_t *handler, void *arg)
-{
-	if (irq < 0 || irq >= NR_IRQS) {
-		PRINTF("irq_install_handler: bad irq number %d\n", irq);
-		return;
-	}
-
-	if (irq_handlers[irq].handler != NULL)
-		PRINTF("irq_install_handler: 0x%08lx replacing 0x%08lx\n",
-		       (ulong)handler, (ulong)irq_handlers[irq].handler);
-
-	irq_handlers[irq].handler = handler;
-	irq_handlers[irq].arg     = arg;
-
-	i8259_unmask_irq(irq);
-}
-
-void
-irq_free_handler(int irq)
-{
-	if (irq < 0 || irq >= NR_IRQS) {
-		PRINTF("irq_free_handler: bad irq number %d\n", irq);
-		return;
-	}
-
-	i8259_mask_irq(irq);
-
-	irq_handlers[irq].handler = NULL;
-	irq_handlers[irq].arg     = NULL;
-}
-
-/****************************************************************************/
-
-void
-do_irqinfo(cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[])
-{
-	puts("IRQ related functions are unimplemented currently.\n");
-}