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Diffstat (limited to 'src/soc/broadcom/cygnus/timer.c')
-rw-r--r--src/soc/broadcom/cygnus/timer.c67
1 files changed, 0 insertions, 67 deletions
diff --git a/src/soc/broadcom/cygnus/timer.c b/src/soc/broadcom/cygnus/timer.c
deleted file mode 100644
index 78d996fb37..0000000000
--- a/src/soc/broadcom/cygnus/timer.c
+++ /dev/null
@@ -1,67 +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 <delay.h>
-#include <soc/addressmap.h>
-#include <timer.h>
-
-#define TIMER_GLB_TIM_CTRL_PRESC_MASK 0x0000FF00
-#define TIMER_GLB_TIM_CTRL_TIM_EN 0x00000001
-#define TIMER_GLB_TIM_CTRL_PRESC 0x0
-/*
- * arm clk is 1GHz, periph_clk=arm_clk/2, tick per usec.
- * arm clk is set by the bootrom. See util/broadcom/unauth.cfg for details.
- */
-#define PERIPH_CLOCK 500
-#define CLOCKS_PER_USEC (PERIPH_CLOCK / \
- (((TIMER_GLB_TIM_CTRL_PRESC & TIMER_GLB_TIM_CTRL_PRESC_MASK) >> 8) + 1))
-
-struct cygnus_timer {
- u32 gtim_glob_low;
- u32 gtim_glob_hi;
- u32 gtim_glob_ctrl;
-};
-
-static struct cygnus_timer * const timer_ptr =
- (void *)IPROC_PERIPH_GLB_TIM_REG_BASE;
-
-static inline uint64_t timer_raw_value(void)
-{
- uint64_t cur_tick;
- uint32_t count_h;
- uint32_t count_l;
-
- do {
- count_h = read32(&timer_ptr->gtim_glob_hi);
- count_l = read32(&timer_ptr->gtim_glob_low);
- cur_tick = read32(&timer_ptr->gtim_glob_hi);
- } while (cur_tick != count_h);
-
- return (cur_tick << 32) + count_l;
-}
-
-void timer_monotonic_get(struct mono_time *mt)
-{
- mono_time_set_usecs(mt, timer_raw_value() / CLOCKS_PER_USEC);
-}
-
-void init_timer(void)
-{
- write32(&timer_ptr->gtim_glob_ctrl, TIMER_GLB_TIM_CTRL_PRESC);
- write32(&timer_ptr->gtim_glob_low, 0);
- write32(&timer_ptr->gtim_glob_hi, 0);
- write32(&timer_ptr->gtim_glob_ctrl, TIMER_GLB_TIM_CTRL_TIM_EN);
-}