40 lines
1.1 KiB
C
40 lines
1.1 KiB
C
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/*
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* arch/arm/cpu/armv8/txl/timer.c
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*
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* Copyright (C) 2015 Amlogic, Inc. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include <asm/arch/secure_apb.h>
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#include <asm/arch/timer.h>
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#include <asm/types.h>
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uint32_t get_time(void)
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{
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return readl(SYSCTRL_TIMERE);
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}
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void _udelay(unsigned int us)
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{
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#ifndef CONFIG_PXP_EMULATOR
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unsigned int t0 = get_time();
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while (get_time() - t0 <= us)
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;
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#endif
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}
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