162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-only */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * This file contains common function prototypes to avoid externs 462306a36Sopenharmony_ci * in the c files. 562306a36Sopenharmony_ci * 662306a36Sopenharmony_ci * Copyright (C) 2011 Xilinx 762306a36Sopenharmony_ci */ 862306a36Sopenharmony_ci 962306a36Sopenharmony_ci#ifndef __MACH_ZYNQ_COMMON_H__ 1062306a36Sopenharmony_ci#define __MACH_ZYNQ_COMMON_H__ 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_ciextern int zynq_slcr_init(void); 1362306a36Sopenharmony_ciextern int zynq_early_slcr_init(void); 1462306a36Sopenharmony_ciextern void zynq_slcr_cpu_stop(int cpu); 1562306a36Sopenharmony_ciextern void zynq_slcr_cpu_start(int cpu); 1662306a36Sopenharmony_ciextern bool zynq_slcr_cpu_state_read(int cpu); 1762306a36Sopenharmony_ciextern void zynq_slcr_cpu_state_write(int cpu, bool die); 1862306a36Sopenharmony_ciextern u32 zynq_slcr_get_device_id(void); 1962306a36Sopenharmony_ci 2062306a36Sopenharmony_ci#ifdef CONFIG_SMP 2162306a36Sopenharmony_ciextern char zynq_secondary_trampoline; 2262306a36Sopenharmony_ciextern char zynq_secondary_trampoline_jump; 2362306a36Sopenharmony_ciextern char zynq_secondary_trampoline_end; 2462306a36Sopenharmony_ciextern int zynq_cpun_start(u32 address, int cpu); 2562306a36Sopenharmony_ciextern const struct smp_operations zynq_smp_ops; 2662306a36Sopenharmony_ci#endif 2762306a36Sopenharmony_ci 2862306a36Sopenharmony_ciextern void __iomem *zynq_scu_base; 2962306a36Sopenharmony_ci 3062306a36Sopenharmony_civoid zynq_pm_late_init(void); 3162306a36Sopenharmony_ci 3262306a36Sopenharmony_cistatic inline void zynq_core_pm_init(void) 3362306a36Sopenharmony_ci{ 3462306a36Sopenharmony_ci /* A9 clock gating */ 3562306a36Sopenharmony_ci asm volatile ("mrc p15, 0, r12, c15, c0, 0\n" 3662306a36Sopenharmony_ci "orr r12, r12, #1\n" 3762306a36Sopenharmony_ci "mcr p15, 0, r12, c15, c0, 0\n" 3862306a36Sopenharmony_ci : /* no outputs */ 3962306a36Sopenharmony_ci : /* no inputs */ 4062306a36Sopenharmony_ci : "r12"); 4162306a36Sopenharmony_ci} 4262306a36Sopenharmony_ci 4362306a36Sopenharmony_ci#endif 44