1 files changed, 0 insertions, 112 deletions
diff --git a/arch/avr32/cpu/interrupts.c b/arch/avr32/cpu/interrupts.c
deleted file mode 100644
index de202207ce..0000000000
--- a/arch/avr32/cpu/interrupts.c
+++ /dev/null
@@ -1,112 +0,0 @@
-/*
- * Copyright (C) 2004-2006 Atmel Corporation
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-#include <common.h>
-#include <div64.h>
-
-#include <linux/errno.h>
-#include <asm/io.h>
-#include <asm/processor.h>
-#include <asm/sysreg.h>
-
-#include <asm/arch/hardware.h>
-
-#define HANDLER_MASK	0x00ffffff
-#define INTLEV_SHIFT	30
-#define INTLEV_MASK	0x00000003
-
-DECLARE_GLOBAL_DATA_PTR;
-
-/* Incremented whenever COUNT reaches 0xffffffff by timer_interrupt_handler */
-volatile unsigned long timer_overflow;
-
-/*
- * Instead of dividing by get_tbclk(), multiply by this constant and
- * right-shift the result by 32 bits.
- */
-static unsigned long tb_factor;
-
-unsigned long get_tbclk(void)
-{
-	return gd->arch.cpu_hz;
-}
-
-unsigned long long get_ticks(void)
-{
-	unsigned long lo, hi_now, hi_prev;
-
-	do {
-		hi_prev = timer_overflow;
-		lo = sysreg_read(COUNT);
-		hi_now = timer_overflow;
-	} while (hi_prev != hi_now);
-
-	return ((unsigned long long)hi_now << 32) | lo;
-}
-
-unsigned long get_timer(unsigned long base)
-{
-	u64 now = get_ticks();
-
-	now *= tb_factor;
-	return (unsigned long)(now >> 32) - base;
-}
-
-/*
- * For short delays only. It will overflow after a few seconds.
- */
-void __udelay(unsigned long usec)
-{
-	unsigned long cycles;
-	unsigned long base;
-	unsigned long now;
-
-	base = sysreg_read(COUNT);
-	cycles = ((usec * (get_tbclk() / 10000)) + 50) / 100;
-
-	do {
-		now = sysreg_read(COUNT);
-	} while ((now - base) < cycles);
-}
-
-static int set_interrupt_handler(unsigned int nr, void (*handler)(void),
-				 unsigned int priority)
-{
-	extern void _evba(void);
-	unsigned long intpr;
-	unsigned long handler_addr = (unsigned long)handler;
-
-	handler_addr -= (unsigned long)&_evba;
-
-	if ((handler_addr & HANDLER_MASK) != handler_addr
-	    || (priority & INTLEV_MASK) != priority)
-		return -EINVAL;
-
-	intpr = (handler_addr & HANDLER_MASK);
-	intpr |= (priority & INTLEV_MASK) << INTLEV_SHIFT;
-	writel(intpr, (void *)ATMEL_BASE_INTC + 4 * nr);
-
-	return 0;
-}
-
-int timer_init(void)
-{
-	extern void timer_interrupt_handler(void);
-	u64 tmp;
-
-	sysreg_write(COUNT, 0);
-
-	tmp = (u64)CONFIG_SYS_HZ << 32;
-	tmp += gd->arch.cpu_hz / 2;
-	do_div(tmp, gd->arch.cpu_hz);
-	tb_factor = (u32)tmp;
-
-	if (set_interrupt_handler(0, &timer_interrupt_handler, 3))
-		return -EINVAL;
-
-	/* For all practical purposes, this gives us an overflow interrupt */
-	sysreg_write(COMPARE, 0xffffffff);
-	return 0;
-}