diff options
Diffstat (limited to 'arch/arm/mach-zynq/common.h')
| -rw-r--r-- | arch/arm/mach-zynq/common.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/arch/arm/mach-zynq/common.h b/arch/arm/mach-zynq/common.h new file mode 100644 index 000000000..e771933db --- /dev/null +++ b/arch/arm/mach-zynq/common.h @@ -0,0 +1,51 @@ +/* + * 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 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 |