diff options
Diffstat (limited to 'src/soc/marvell/mvmap2315/timer.c')
-rw-r--r-- | src/soc/marvell/mvmap2315/timer.c | 63 |
1 files changed, 0 insertions, 63 deletions
diff --git a/src/soc/marvell/mvmap2315/timer.c b/src/soc/marvell/mvmap2315/timer.c deleted file mode 100644 index 7922e05a79..0000000000 --- a/src/soc/marvell/mvmap2315/timer.c +++ /dev/null @@ -1,63 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2016 Marvell, 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 <stddef.h> -#include <stdint.h> -#include <stdlib.h> - -#include <arch/io.h> -#include <delay.h> -#include <soc/timer.h> -#include <timer.h> - -void init_timer(void) -{ - /* disable timer */ - clrbits_le32(&mvmap2315_timer0->t1cr, MVMAP2315_TIMER_T1CR_TE); - - /* set to free-running mode (loads max value at timer expiration) */ - clrbits_le32(&mvmap2315_timer0->t1cr, MVMAP2315_TIMER_T1CR_TM); - - /* mask interrupt (not currently used) */ - setbits_le32(&mvmap2315_timer0->t1cr, MVMAP2315_TIMER_T1CR_TIM); - - /* disable PWM output */ - clrbits_le32(&mvmap2315_timer0->t1cr, MVMAP2315_TIMER_T1CR_TPWM); - - /* perform dummy read to clear all active interrupts */ - read32(&mvmap2315_timer0->t1eoi); - - /* must provide an initial load count even in free-running mode */ - write32(&mvmap2315_timer0->t1lc, 0xFFFFFFFF); - - /* enable timer */ - setbits_le32(&mvmap2315_timer0->t1cr, MVMAP2315_TIMER_T1CR_TE); - - /* busy wait until timer count is non-zero */ - while (!read32(&mvmap2315_timer0->t1cv)) - ; -} - -static u32 timer_raw_value(void) -{ - /* invert count to change from down to up count */ - return ~read32(&mvmap2315_timer0->t1cv); -} - -void timer_monotonic_get(struct mono_time *mt) -{ - mt->microseconds = (long)(timer_raw_value() / - MVMAP2315_CLOCKS_PER_USEC); -} |