/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */ | |
/* | |
* arch/arm/cpu/armv8/gxtvbb/timer.c | |
* | |
* Copyright (C) 2020 Amlogic, Inc. All rights reserved. | |
* | |
*/ | |
#include <asm/arch/timer.h> | |
#include <asm/types.h> | |
#include <asm/arch/secure_apb.h> | |
#define P_EE_TIMER_E P_ISA_TIMERE | |
uint32_t get_time(void) | |
{ | |
return readl(P_EE_TIMER_E); | |
} | |
void _udelay(unsigned int us) | |
{ | |
#ifndef CONFIG_PXP_EMULATOR | |
unsigned int t0 = get_time(); | |
while (get_time() - t0 <= us) | |
; | |
#endif | |
} |