1 files changed, 0 insertions, 104 deletions
diff --git a/chip/mec1322/port80.c b/chip/mec1322/port80.c
deleted file mode 100644
index df4583ed8b..0000000000
--- a/chip/mec1322/port80.c
+++ /dev/null
@@ -1,104 +0,0 @@
-/* Copyright 2015 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.
- */
-
-/* Port 80 Timer Interrupt for MEC1322 */
-
-#include "common.h"
-#include "console.h"
-#include "hooks.h"
-#include "lpc.h"
-#include "port80.h"
-#include "registers.h"
-#include "task.h"
-
-/* Fire timer interrupt every 1000 usec to check for port80 data. */
-#define POLL_PERIOD_USEC 1000
-/* After 30 seconds of no port 80 data, disable the timer interrupt. */
-#define INTERRUPT_DISABLE_TIMEOUT_SEC 30
-#define INTERRUPT_DISABLE_IDLE_COUNT (INTERRUPT_DISABLE_TIMEOUT_SEC \
-				      * 1000000 \
-				      / POLL_PERIOD_USEC)
-
-/* Count the number of consecutive interrupts with no port 80 data. */
-static int idle_count;
-
-static void port_80_interrupt_enable(void)
-{
-	idle_count = 0;
-
-	/* Enable the interrupt. */
-	task_enable_irq(MEC1322_IRQ_TIMER16_1);
-	/* Enable and start the timer. */
-	MEC1322_TMR16_CTL(1) |= 1 | BIT(5);
-}
-DECLARE_HOOK(HOOK_CHIPSET_RESUME, port_80_interrupt_enable, HOOK_PRIO_DEFAULT);
-DECLARE_HOOK(HOOK_CHIPSET_RESET, port_80_interrupt_enable, HOOK_PRIO_DEFAULT);
-
-static void port_80_interrupt_disable(void)
-{
-	/* Disable the timer block. */
-	MEC1322_TMR16_CTL(1) &= ~1;
-	/* Disable the interrupt. */
-	task_disable_irq(MEC1322_IRQ_TIMER16_1);
-}
-DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, port_80_interrupt_disable,
-	     HOOK_PRIO_DEFAULT);
-
-/*
- * The port 80 interrupt will use TIMER16 instance 1 for a 1ms countdown
- * timer.  This timer is on GIRQ23, bit 1.
- */
-static void port_80_interrupt_init(void)
-{
-	uint32_t val = 0;
-
-	/*
-	 * The timers are driven by a 48MHz oscillator.  Prescale down to
-	 * 1MHz. 48MHz/48 -> 1MHz
-	 */
-	val = MEC1322_TMR16_CTL(1);
-	val = (val & 0xFFFF) | (47 << 16);
-	/* Automatically restart the timer. */
-	val |= BIT(3);
-	/* The counter should decrement. */
-	val &= ~BIT(2);
-	MEC1322_TMR16_CTL(1) = val;
-
-	/* Set the reload value(us). */
-	MEC1322_TMR16_PRE(1) = POLL_PERIOD_USEC;
-
-	/* Clear the status if any. */
-	MEC1322_TMR16_STS(1) |= 1;
-
-	/* Clear any pending interrupt. */
-	MEC1322_INT_SOURCE(23) = BIT(1);
-	/* Enable IRQ vector 23. */
-	MEC1322_INT_BLK_EN |= BIT(23);
-	/* Enable the interrupt. */
-	MEC1322_TMR16_IEN(1) |= 1;
-	MEC1322_INT_ENABLE(23) = BIT(1);
-
-	port_80_interrupt_enable();
-}
-DECLARE_HOOK(HOOK_INIT, port_80_interrupt_init, HOOK_PRIO_DEFAULT);
-
-void port_80_interrupt(void)
-{
-	int data;
-
-	MEC1322_TMR16_STS(1) = 1; /* Ack the interrupt */
-	if (BIT(1) & MEC1322_INT_RESULT(23)) {
-		data = port_80_read();
-
-		if (data != PORT_80_IGNORE) {
-			idle_count = 0;
-			port_80_write(data);
-		}
-	}
-
-	if (++idle_count >= INTERRUPT_DISABLE_IDLE_COUNT)
-		port_80_interrupt_disable();
-}
-DECLARE_IRQ(MEC1322_IRQ_TIMER16_1, port_80_interrupt, 2);