1 files changed, 0 insertions, 102 deletions
diff --git a/chip/mec1322/watchdog.c b/chip/mec1322/watchdog.c
deleted file mode 100644
index ad93fb1240..0000000000
--- a/chip/mec1322/watchdog.c
+++ /dev/null
@@ -1,102 +0,0 @@
-/* Copyright 2013 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-/* Watchdog driver */
-
-#include "hooks.h"
-#include "registers.h"
-#include "task.h"
-#include "watchdog.h"
-
-void watchdog_reload(void)
-{
-	MEC1322_WDG_KICK = 1;
-
-#ifdef CONFIG_WATCHDOG_HELP
-	/* Reload the auxiliary timer */
-	MEC1322_TMR16_CTL(0) &= ~BIT(5);
-	MEC1322_TMR16_CNT(0) = CONFIG_AUX_TIMER_PERIOD_MS;
-	MEC1322_TMR16_CTL(0) |= BIT(5);
-#endif
-}
-DECLARE_HOOK(HOOK_TICK, watchdog_reload, HOOK_PRIO_DEFAULT);
-
-int watchdog_init(void)
-{
-#ifdef CONFIG_WATCHDOG_HELP
-	uint32_t val;
-
-	/*
-	 * Watchdog does not warn us before expiring. Let's use a 16-bit
-	 * timer as an auxiliary timer.
-	 */
-
-	/* Stop the auxiliary timer if it's running */
-	MEC1322_TMR16_CTL(0) &= ~BIT(5);
-
-	/* Enable auxiliary timer */
-	MEC1322_TMR16_CTL(0) |= BIT(0);
-
-	val = MEC1322_TMR16_CTL(0);
-
-	/* Pre-scale = 48000 -> 1kHz -> Period = 1ms */
-	val = (val & 0xffff) | (47999 << 16);
-
-	/* No auto restart */
-	val &= ~BIT(3);
-
-	/* Count down */
-	val &= ~BIT(2);
-
-	MEC1322_TMR16_CTL(0) = val;
-
-	/* Enable interrupt from auxiliary timer */
-	MEC1322_TMR16_IEN(0) |= 1;
-	task_enable_irq(MEC1322_IRQ_TIMER16_0);
-	MEC1322_INT_ENABLE(23) |= BIT(0);
-	MEC1322_INT_BLK_EN |= BIT(23);
-
-	/* Load and start the auxiliary timer */
-	MEC1322_TMR16_CNT(0) = CONFIG_AUX_TIMER_PERIOD_MS;
-	MEC1322_TMR16_CNT(0) |= BIT(5);
-#endif
-
-	/* Set timeout. It takes 1007us to decrement WDG_CNT by 1. */
-	MEC1322_WDG_LOAD = CONFIG_WATCHDOG_PERIOD_MS * 1000 / 1007;
-
-	/* Start watchdog */
-	MEC1322_WDG_CTL |= 1;
-
-	return EC_SUCCESS;
-}
-
-#ifdef CONFIG_WATCHDOG_HELP
-void __keep watchdog_check(uint32_t excep_lr, uint32_t excep_sp)
-{
-	/* Clear status */
-	MEC1322_TMR16_STS(0) |= 1;
-
-	watchdog_trace(excep_lr, excep_sp);
-}
-
-void IRQ_HANDLER(MEC1322_IRQ_TIMER16_0)(void) __attribute__((naked));
-void IRQ_HANDLER(MEC1322_IRQ_TIMER16_0)(void)
-{
-	/* Naked call so we can extract raw LR and SP */
-	asm volatile("mov r0, lr\n"
-		     "mov r1, sp\n"
-		     /* Must push registers in pairs to keep 64-bit aligned
-		      * stack for ARM EABI.  This also conveninently saves
-		      * R0=LR so we can pass it to task_resched_if_needed. */
-		     "push {r0, lr}\n"
-		     "bl watchdog_check\n"
-		     "pop {r0, lr}\n"
-		     "b task_resched_if_needed\n");
-}
-const struct irq_priority __keep IRQ_PRIORITY(MEC1322_IRQ_TIMER16_0)
-	__attribute__((section(".rodata.irqprio")))
-		= {MEC1322_IRQ_TIMER16_0, 0}; /* put the watchdog at the
-						 highest priority */
-#endif