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Diffstat (limited to 'arch/nios2/cpu/interrupts.c')
-rw-r--r--arch/nios2/cpu/interrupts.c84
1 files changed, 1 insertions, 83 deletions
diff --git a/arch/nios2/cpu/interrupts.c b/arch/nios2/cpu/interrupts.c
index 36d3ef7541..9d85eb03a6 100644
--- a/arch/nios2/cpu/interrupts.c
+++ b/arch/nios2/cpu/interrupts.c
@@ -14,36 +14,8 @@
#include <asm/ptrace.h>
#include <common.h>
#include <command.h>
-#include <watchdog.h>
-#ifdef CONFIG_STATUS_LED
-#include <status_led.h>
-#endif
-
-struct nios_timer {
- u32 status; /* Timer status reg */
- u32 control; /* Timer control reg */
- u32 periodl; /* Timeout period low */
- u32 periodh; /* Timeout period high */
- u32 snapl; /* Snapshot low */
- u32 snaph; /* Snapshot high */
-};
-
-/* status register */
-#define NIOS_TIMER_TO (1 << 0) /* Timeout */
-#define NIOS_TIMER_RUN (1 << 1) /* Timer running */
-
-/* control register */
-#define NIOS_TIMER_ITO (1 << 0) /* Timeout int ena */
-#define NIOS_TIMER_CONT (1 << 1) /* Continuous mode */
-#define NIOS_TIMER_START (1 << 2) /* Start timer */
-#define NIOS_TIMER_STOP (1 << 3) /* Stop timer */
-
-#if defined(CONFIG_SYS_TIMER_BASE) && !defined(CONFIG_SYS_TIMER_IRQ)
-#error CONFIG_SYS_TIMER_IRQ not defined (see documentation)
-#endif
-
-/****************************************************************************/
+/*************************************************************************/
struct irq_action {
interrupt_handler_t *handler;
void *arg;
@@ -52,60 +24,6 @@ struct irq_action {
static struct irq_action vecs[32];
-/*************************************************************************/
-static volatile ulong timestamp;
-
-/*
- * The board must handle this interrupt if a timer is not
- * provided.
- */
-void tmr_isr (void *arg)
-{
- struct nios_timer *tmr = (struct nios_timer *)arg;
- /* Interrupt is cleared by writing anything to the
- * status register.
- */
- writel (0, &tmr->status);
- timestamp += CONFIG_SYS_NIOS_TMRMS;
-#ifdef CONFIG_STATUS_LED
- status_led_tick(timestamp);
-#endif
-}
-
-unsigned long notrace timer_read_counter(void)
-{
- struct nios_timer *tmr = (struct nios_timer *)CONFIG_SYS_TIMER_BASE;
- u32 val;
-
- /* Trigger update */
- writel(0x0, &tmr->snapl);
-
- /* Read timer value */
- val = readl(&tmr->snapl) & 0xffff;
- val |= (readl(&tmr->snaph) & 0xffff) << 16;
-
- return ~val;
-}
-
-int timer_init(void)
-{
- struct nios_timer *tmr = (struct nios_timer *)CONFIG_SYS_TIMER_BASE;
-
- writel (0, &tmr->status);
- writel (0, &tmr->control);
- writel (NIOS_TIMER_STOP, &tmr->control);
-
- writel (0xffff, &tmr->periodl);
- writel (0xffff, &tmr->periodh);
-
- writel (NIOS_TIMER_CONT | NIOS_TIMER_START, &tmr->control);
- /* FIXME */
- irq_install_handler(CONFIG_SYS_TIMER_IRQ, tmr_isr, (void *)tmr);
-
- return 0;
-}
-
-/*************************************************************************/
int disable_interrupts (void)
{
int val = rdctl (CTL_STATUS);
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