1 files changed, 0 insertions, 126 deletions
diff --git a/chip/nrf51/system.c b/chip/nrf51/system.c
deleted file mode 100644
index dc7bff2059..0000000000
--- a/chip/nrf51/system.c
+++ /dev/null
@@ -1,126 +0,0 @@
-/* Copyright 2014 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.
- */
-
-/* System module for Chrome EC : hardware specific implementation */
-
-#include "common.h"
-#include "console.h"
-#include "ec_commands.h"
-#include "registers.h"
-#include "system.h"
-#include "task.h"
-#include "cpu.h"
-
-/* Console output macros */
-#define CPUTS(outstr) cputs(CC_SYSTEM, outstr)
-#define CPRINTS(format, args...) cprints(CC_SYSTEM, format, ## args)
-
-const char *system_get_chip_vendor(void)
-{
-	return "nrf";
-}
-
-const char *system_get_chip_name(void)
-{
-	return "nrf51822";
-}
-
-const char *system_get_chip_revision(void)
-{
-	return "";
-}
-
-void system_hibernate(uint32_t seconds, uint32_t microseconds)
-{
-	/* Flush console before hibernating */
-	cflush();
-
-	if (board_hibernate)
-		board_hibernate();
-
-	/* chip specific standby mode */
-	CPRINTS("TODO: implement %s()", __func__);
-}
-
-
-static void check_reset_cause(void)
-{
-	uint32_t flags = 0;
-	uint32_t raw_cause = NRF51_POWER_RESETREAS;
-
-	if (raw_cause & NRF51_POWER_RESETREAS_RESETPIN)
-		flags |= EC_RESET_FLAG_RESET_PIN;
-
-	if (raw_cause & NRF51_POWER_RESETREAS_DOG)
-		flags |= EC_RESET_FLAG_WATCHDOG;
-
-	/* Note that the programmer uses a soft reset in debug mode. */
-	if (raw_cause & NRF51_POWER_RESETREAS_SREQ)
-		flags |= EC_RESET_FLAG_SOFT;
-
-	if (raw_cause & (NRF51_POWER_RESETREAS_OFF |
-			NRF51_POWER_RESETREAS_LPCOMP))
-		flags |= EC_RESET_FLAG_WAKE_PIN;
-
-	if (raw_cause & (NRF51_POWER_RESETREAS_LOCKUP |
-			NRF51_POWER_RESETREAS_DIF))
-		flags |= EC_RESET_FLAG_OTHER;
-
-	system_set_reset_flags(flags);
-
-	/* clear it by writing 1's */
-	NRF51_POWER_RESETREAS = raw_cause;
-}
-
-static void system_watchdog_reset(void)
-{
-	if (NRF51_WDT_TIMEOUT != 0) {
-		/* Hard reset the WDT */
-		NRF51_WDT_POWER = 0;
-		NRF51_WDT_POWER = 1;
-	}
-
-	/* NRF51_WDT_CONFIG_HALT_RUN breaks this */
-	NRF51_WDT_CONFIG = NRF51_WDT_CONFIG_SLEEP_RUN;
-
-	NRF51_WDT_RREN = NRF51_WDT_RREN_BIT(0);
-	NRF51_WDT_CRV = 3; /* @32KHz */
-	NRF51_WDT_START = 1;
-}
-
-void system_reset(int flags)
-{
-	/* Disable interrupts to avoid task swaps during reboot */
-	interrupt_disable();
-
-	if (flags & SYSTEM_RESET_HARD)
-		/* Ask the watchdog to trigger a hard reboot */
-		system_watchdog_reset();
-	else {
-		/* Use SYSRESETREQ to trigger a soft reboot */
-		CPU_NVIC_APINT = 0x05fa0004;
-	}
-
-	/* Spin and wait for reboot; should never return */
-	while (1)
-		;
-}
-
-int system_get_bbram(enum system_bbram_idx idx, uint8_t *value)
-{
-	CPRINTS("TODO: implement %s()", __func__);
-	return EC_ERROR_UNIMPLEMENTED;
-}
-
-int system_set_bbram(enum system_bbram_idx idx, uint8_t value)
-{
-	CPRINTS("TODO: implement %s()", __func__);
-	return EC_ERROR_UNIMPLEMENTED;
-}
-
-void system_pre_init(void)
-{
-	check_reset_cause();
-}