| // SPDX-License-Identifier: (GPL-2.0+ OR MIT) | |
| /* | |
| * Copyright (c) 2019 Amlogic, Inc. All rights reserved. | |
| */ | |
| #include <asm/arch/secure_apb.h> | |
| #include <asm/arch/timer.h> | |
| #include <asm/types.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 | |
| } |