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774ba5a23d
add timer driver. Signed-off-by: Fengquan Chen <fengquan.chen@mediatek.com> Change-Id: I60a7273f922233a618a6163b802c0858ed89f75f
30 lines
632 B
C
30 lines
632 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 <common/debug.h>
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#include <lib/mmio.h>
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#include <mcucfg.h>
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#include <mt_timer.h>
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#include <platform_def.h>
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static void enable_systimer_compensation(void)
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{
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unsigned int reg;
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reg = mmio_read_32(CNTCR_REG);
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reg &= ~COMP_15_EN;
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reg |= COMP_20_EN;
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mmio_write_32(CNTCR_REG, reg);
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NOTICE("[systimer] CNTCR_REG(0x%x)\n", mmio_read_32(CNTCR_REG));
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}
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void mt_systimer_init(void)
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{
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/* systimer is default on, so we only enable systimer compensation */
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enable_systimer_compensation();
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}
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