| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 2 | /* |
| 3 | * This file contains common function prototypes to avoid externs |
| 4 | * in the c files. |
| 5 | * |
| 6 | * Copyright (C) 2011 Xilinx |
| 7 | */ |
| 8 | |
| 9 | #ifndef __MACH_ZYNQ_COMMON_H__ |
| 10 | #define __MACH_ZYNQ_COMMON_H__ |
| 11 | |
| 12 | extern int zynq_slcr_init(void); |
| 13 | extern int zynq_early_slcr_init(void); |
| 14 | extern void zynq_slcr_cpu_stop(int cpu); |
| 15 | extern void zynq_slcr_cpu_start(int cpu); |
| 16 | extern bool zynq_slcr_cpu_state_read(int cpu); |
| 17 | extern void zynq_slcr_cpu_state_write(int cpu, bool die); |
| 18 | extern u32 zynq_slcr_get_device_id(void); |
| 19 | |
| 20 | #ifdef CONFIG_SMP |
| 21 | extern char zynq_secondary_trampoline; |
| 22 | extern char zynq_secondary_trampoline_jump; |
| 23 | extern char zynq_secondary_trampoline_end; |
| 24 | extern int zynq_cpun_start(u32 address, int cpu); |
| 25 | extern const struct smp_operations zynq_smp_ops; |
| 26 | #endif |
| 27 | |
| 28 | extern void __iomem *zynq_scu_base; |
| 29 | |
| 30 | void zynq_pm_late_init(void); |
| 31 | |
| 32 | static inline void zynq_core_pm_init(void) |
| 33 | { |
| 34 | /* A9 clock gating */ |
| 35 | asm volatile ("mrc p15, 0, r12, c15, c0, 0\n" |
| 36 | "orr r12, r12, #1\n" |
| 37 | "mcr p15, 0, r12, c15, c0, 0\n" |
| 38 | : /* no outputs */ |
| 39 | : /* no inputs */ |
| 40 | : "r12"); |
| 41 | } |
| 42 | |
| 43 | #endif |