Merge tag 'fixes-5.4-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git...
[linux-2.6-block.git] / arch / arm / mach-zynq / common.h
CommitLineData
9c92ab61 1/* SPDX-License-Identifier: GPL-2.0-only */
b85a3ef4
JL
2/*
3 * This file contains common function prototypes to avoid externs
4 * in the c files.
5 *
6 * Copyright (C) 2011 Xilinx
b85a3ef4
JL
7 */
8
9#ifndef __MACH_ZYNQ_COMMON_H__
10#define __MACH_ZYNQ_COMMON_H__
11
64b889b3 12extern int zynq_slcr_init(void);
016f4dca 13extern int zynq_early_slcr_init(void);
aa7eb2bb
MS
14extern void zynq_slcr_cpu_stop(int cpu);
15extern void zynq_slcr_cpu_start(int cpu);
50c7960a
SB
16extern bool zynq_slcr_cpu_state_read(int cpu);
17extern void zynq_slcr_cpu_state_write(int cpu, bool die);
00f7dc63 18extern u32 zynq_slcr_get_device_id(void);
aa7eb2bb
MS
19
20#ifdef CONFIG_SMP
aa7eb2bb
MS
21extern char zynq_secondary_trampoline;
22extern char zynq_secondary_trampoline_jump;
23extern char zynq_secondary_trampoline_end;
8bd26e3a 24extern int zynq_cpun_start(u32 address, int cpu);
75305275 25extern const struct smp_operations zynq_smp_ops;
aa7eb2bb 26#endif
64b889b3 27
732078c3
MS
28extern void __iomem *zynq_scu_base;
29
0beb2bd3
SB
30void zynq_pm_late_init(void);
31
ae88b85e
SB
32static 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
b85a3ef4 43#endif