From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- arch/arm/mach-zynq/common.h | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 arch/arm/mach-zynq/common.h (limited to 'arch/arm/mach-zynq/common.h') diff --git a/arch/arm/mach-zynq/common.h b/arch/arm/mach-zynq/common.h new file mode 100644 index 000000000..60e662324 --- /dev/null +++ b/arch/arm/mach-zynq/common.h @@ -0,0 +1,43 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * This file contains common function prototypes to avoid externs + * in the c files. + * + * Copyright (C) 2011 Xilinx + */ + +#ifndef __MACH_ZYNQ_COMMON_H__ +#define __MACH_ZYNQ_COMMON_H__ + +extern int zynq_slcr_init(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 char zynq_secondary_trampoline; +extern char zynq_secondary_trampoline_jump; +extern char zynq_secondary_trampoline_end; +extern int zynq_cpun_start(u32 address, int cpu); +extern const struct smp_operations zynq_smp_ops; +#endif + +extern void __iomem *zynq_scu_base; + +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 -- cgit v1.2.3