diff options
Diffstat (limited to 'arch/arm/mach-zynq/common.h')
| -rw-r--r-- | arch/arm/mach-zynq/common.h | 36 |
1 files changed, 19 insertions, 17 deletions
diff --git a/arch/arm/mach-zynq/common.h b/arch/arm/mach-zynq/common.h index fbbd0e21c404..83a79d0c0bec 100644 --- a/arch/arm/mach-zynq/common.h +++ b/arch/arm/mach-zynq/common.h @@ -1,40 +1,42 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * This file contains common function prototypes to avoid externs * in the c files. * * Copyright (C) 2011 Xilinx - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #ifndef __MACH_ZYNQ_COMMON_H__ #define __MACH_ZYNQ_COMMON_H__ -extern int zynq_slcr_init(void); -extern void zynq_slcr_system_reset(void); +extern int zynq_early_slcr_init(void); extern void zynq_slcr_cpu_stop(int cpu); extern void zynq_slcr_cpu_start(int cpu); +extern bool zynq_slcr_cpu_state_read(int cpu); +extern void zynq_slcr_cpu_state_write(int cpu, bool die); +extern u32 zynq_slcr_get_device_id(void); #ifdef CONFIG_SMP -extern void secondary_startup(void); extern char zynq_secondary_trampoline; extern char zynq_secondary_trampoline_jump; extern char zynq_secondary_trampoline_end; -extern int __cpuinit zynq_cpun_start(u32 address, int cpu); -extern struct smp_operations zynq_smp_ops __initdata; +extern int zynq_cpun_start(u32 address, int cpu); +extern const struct smp_operations zynq_smp_ops; #endif -extern void __iomem *zynq_slcr_base; extern void __iomem *zynq_scu_base; -/* Hotplug */ -extern void zynq_platform_cpu_die(unsigned int cpu); +void zynq_pm_late_init(void); + +static inline void zynq_core_pm_init(void) +{ + /* A9 clock gating */ + asm volatile ("mrc p15, 0, r12, c15, c0, 0\n" + "orr r12, r12, #1\n" + "mcr p15, 0, r12, c15, c0, 0\n" + : /* no outputs */ + : /* no inputs */ + : "r12"); +} #endif |