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46946036de
The timer driver can be shared with mt8195. Move the the timer driver to common/. Signed-off-by: Yidi Lin <yidi.lin@mediatek.com> Change-Id: I84c97ab9cc9b469f35e0f44dd8e7b2b95f1b3926
38 lines
771 B
C
38 lines
771 B
C
/*
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* Copyright (c) 2020, MediaTek Inc. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <arch_helpers.h>
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#include <lib/mmio.h>
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#include <mt_timer.h>
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#include <platform_def.h>
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uint64_t normal_time_base;
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uint64_t atf_time_base;
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void sched_clock_init(uint64_t normal_base, uint64_t atf_base)
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{
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normal_time_base += normal_base;
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atf_time_base = atf_base;
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}
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uint64_t sched_clock(void)
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{
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uint64_t cval;
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uint64_t rel_base;
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rel_base = read_cntpct_el0() - atf_time_base;
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cval = ((rel_base * 1000U) / SYS_COUNTER_FREQ_IN_MHZ)
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- normal_time_base;
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return cval;
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}
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void mt_systimer_init(void)
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{
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/* Enable access in NS mode */
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mmio_write_32(CNTWACR_REG, CNT_WRITE_ACCESS_CTL_MASK);
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mmio_write_32(CNTRACR_REG, CNT_READ_ACCESS_CTL_MASK);
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}
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