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Diffstat (limited to 'src/soc/marvell/armada38x/monotonic_timer.c')
-rw-r--r--src/soc/marvell/armada38x/monotonic_timer.c57
1 files changed, 0 insertions, 57 deletions
diff --git a/src/soc/marvell/armada38x/monotonic_timer.c b/src/soc/marvell/armada38x/monotonic_timer.c
deleted file mode 100644
index 49fa6cd76f..0000000000
--- a/src/soc/marvell/armada38x/monotonic_timer.c
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright 2015 Google Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#include <arch/io.h>
-#include <timer.h>
-#include <delay.h>
-
-#define TIMER_CTRL_REG 0xf1020300
-#define TIMER_RELOAD_REG 0xf1020310
-#define TIMER_REG 0xf1020314
-#define TIMER_RELOAD_VALUE 0xffffffff
-
-#define MHZ_NUM 25
-
-void init_timer(void)
-{
- unsigned int reg;
-
- /* Set the reload timer */
- write32((void *)TIMER_RELOAD_REG, TIMER_RELOAD_VALUE);
- /* Set the initial value to TIMER_RELOAD_VALUE - 1
- * (instead of TIMER_RELOAD_VALUE) to avoid 'fake'
- * overflow being detected in timer_monotonic_get
- * if it's called close enough with 'this' function */
- write32((void *)TIMER_REG, TIMER_RELOAD_VALUE - 1);
- reg = read32((const void *)TIMER_CTRL_REG);
- /* Let it start counting */
- reg |= 0x3;
- write32((void *)TIMER_CTRL_REG, reg);
-}
-
-void timer_monotonic_get(struct mono_time *mt)
-{
- static uint64_t total_ticks = 0;
- uint64_t overflow = 0;
- uint32_t current_ticks =
- TIMER_RELOAD_VALUE - read32((const void *)TIMER_REG);
-
- /* Assuming at most one overflow happened since last call */
- if (current_ticks <= total_ticks)
- overflow = 1ULL << 32;
-
- total_ticks = (((total_ticks + overflow) >> 32) << 32) + current_ticks;
- mono_time_set_usecs(mt, total_ticks / MHZ_NUM);
-}