1 files changed, 0 insertions, 148 deletions
diff --git a/arch/ppc/syslib/m8xx_wdt.c b/arch/ppc/syslib/m8xx_wdt.c
deleted file mode 100644
index fffac8cbeb51..000000000000
--- a/arch/ppc/syslib/m8xx_wdt.c
+++ /dev/null
@@ -1,148 +0,0 @@
-/*
- * m8xx_wdt.c - MPC8xx watchdog driver
- *
- * Author: Florian Schirmer <jolt@tuxbox.org>
- *
- * 2002 (c) Florian Schirmer <jolt@tuxbox.org> This file is licensed under
- * the terms of the GNU General Public License version 2. This program
- * is licensed "as is" without any warranty of any kind, whether express
- * or implied.
- */
-
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <asm/io.h>
-#include <asm/8xx_immap.h>
-#include <syslib/m8xx_wdt.h>
-
-static int wdt_timeout;
-int m8xx_has_internal_rtc = 0;
-
-static irqreturn_t m8xx_wdt_interrupt(int, void *);
-static struct irqaction m8xx_wdt_irqaction = {
-	.handler = m8xx_wdt_interrupt,
-	.name = "watchdog",
-};
-
-void m8xx_wdt_reset(void)
-{
-	volatile immap_t *imap = (volatile immap_t *)IMAP_ADDR;
-
-	out_be16(&imap->im_siu_conf.sc_swsr, 0x556c);	/* write magic1 */
-	out_be16(&imap->im_siu_conf.sc_swsr, 0xaa39);	/* write magic2 */
-}
-
-static irqreturn_t m8xx_wdt_interrupt(int irq, void *dev)
-{
-	volatile immap_t *imap = (volatile immap_t *)IMAP_ADDR;
-
-	m8xx_wdt_reset();
-
-	setbits16(&imap->im_sit.sit_piscr, PISCR_PS);
-	return IRQ_HANDLED;
-}
-
-#define SYPCR_SWP 0x1
-#define SYPCR_SWE 0x4
-
-
-void __init m8xx_wdt_install_irq(volatile immap_t *imap, bd_t *binfo)
-{
-	u32 pitc;
-	u32 pitrtclk;
-
-	/*
-	 * Fire trigger if half of the wdt ticked down 
-	 */
-
-	if (imap->im_sit.sit_rtcsc & RTCSC_38K)
-		pitrtclk = 9600;
-	else
-		pitrtclk = 8192;
-
-	if ((wdt_timeout) > (UINT_MAX / pitrtclk))
-		pitc = wdt_timeout / binfo->bi_intfreq * pitrtclk / 2;
-	else
-		pitc = pitrtclk * wdt_timeout / binfo->bi_intfreq / 2;
-
-	out_be32(&imap->im_sit.sit_pitc, pitc << 16);
-
-	out_be16(&imap->im_sit.sit_piscr, (mk_int_int_mask(PIT_INTERRUPT) << 8) | PISCR_PIE | PISCR_PTE);
-
-	if (setup_irq(PIT_INTERRUPT, &m8xx_wdt_irqaction))
-		panic("m8xx_wdt: error setting up the watchdog irq!");
-
-	printk(KERN_NOTICE
-	       "m8xx_wdt: keep-alive trigger installed (PITC: 0x%04X)\n", pitc);
-
-}
-
-static void m8xx_wdt_timer_func(unsigned long data);
-
-static struct timer_list m8xx_wdt_timer =
-	TIMER_INITIALIZER(m8xx_wdt_timer_func, 0, 0);
-
-void m8xx_wdt_stop_timer(void)
-{
-	del_timer(&m8xx_wdt_timer);
-}
-
-void m8xx_wdt_install_timer(void)
-{
-	m8xx_wdt_timer.expires = jiffies + (HZ/2);
-	add_timer(&m8xx_wdt_timer);
-}
-
-static void m8xx_wdt_timer_func(unsigned long data)
-{
-	m8xx_wdt_reset();
-	m8xx_wdt_install_timer();
-}
-
-void __init m8xx_wdt_handler_install(bd_t * binfo)
-{
-	volatile immap_t *imap = (volatile immap_t *)IMAP_ADDR;
-	u32 sypcr;
-
-	sypcr = in_be32(&imap->im_siu_conf.sc_sypcr);
-
-	if (!(sypcr & SYPCR_SWE)) {
-		printk(KERN_NOTICE "m8xx_wdt: wdt disabled (SYPCR: 0x%08X)\n",
-		       sypcr);
-		return;
-	}
-
-	m8xx_wdt_reset();
-
-	printk(KERN_NOTICE
-	       "m8xx_wdt: active wdt found (SWTC: 0x%04X, SWP: 0x%01X)\n",
-	       (sypcr >> 16), sypcr & SYPCR_SWP);
-
-	wdt_timeout = (sypcr >> 16) & 0xFFFF;
-
-	if (!wdt_timeout)
-		wdt_timeout = 0xFFFF;
-
-	if (sypcr & SYPCR_SWP)
-		wdt_timeout *= 2048;
-
-	m8xx_has_internal_rtc = in_be16(&imap->im_sit.sit_rtcsc) & RTCSC_RTE;
-
-	/* if the internal RTC is off use a kernel timer */
-	if (!m8xx_has_internal_rtc) {
-		if (wdt_timeout < (binfo->bi_intfreq/HZ))
-			printk(KERN_ERR "m8xx_wdt: timeout too short for ktimer!\n");
-		m8xx_wdt_install_timer();
-	} else
-		m8xx_wdt_install_irq(imap, binfo);
-
-	wdt_timeout /= binfo->bi_intfreq;
-}
-
-int m8xx_wdt_get_timeout(void)
-{
-	return wdt_timeout;
-}