1 /* 2 * This file contains common function prototypes to avoid externs 3 * in the c files. 4 * 5 * Copyright (C) 2011 Xilinx 6 * 7 * This software is licensed under the terms of the GNU General Public 8 * License version 2, as published by the Free Software Foundation, and 9 * may be copied, distributed, and modified under those terms. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 */ 16 17 #ifndef __MACH_ZYNQ_COMMON_H__ 18 #define __MACH_ZYNQ_COMMON_H__ 19 20 void zynq_secondary_startup(void); 21 22 extern int zynq_slcr_init(void); 23 extern int zynq_early_slcr_init(void); 24 extern void zynq_slcr_system_reset(void); 25 extern void zynq_slcr_cpu_stop(int cpu); 26 extern void zynq_slcr_cpu_start(int cpu); 27 extern bool zynq_slcr_cpu_state_read(int cpu); 28 extern void zynq_slcr_cpu_state_write(int cpu, bool die); 29 extern u32 zynq_slcr_get_device_id(void); 30 31 #ifdef CONFIG_SMP 32 extern char zynq_secondary_trampoline; 33 extern char zynq_secondary_trampoline_jump; 34 extern char zynq_secondary_trampoline_end; 35 extern int zynq_cpun_start(u32 address, int cpu); 36 extern struct smp_operations zynq_smp_ops __initdata; 37 #endif 38 39 extern void __iomem *zynq_scu_base; 40 41 void zynq_pm_late_init(void); 42 43 static inline void zynq_core_pm_init(void) 44 { 45 /* A9 clock gating */ 46 asm volatile ("mrc p15, 0, r12, c15, c0, 0\n" 47 "orr r12, r12, #1\n" 48 "mcr p15, 0, r12, c15, c0, 0\n" 49 : /* no outputs */ 50 : /* no inputs */ 51 : "r12"); 52 } 53 54 #endif 55