From 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 Mon Sep 17 00:00:00 2001 From: Yunhong Jiang Date: Tue, 4 Aug 2015 12:17:53 -0700 Subject: Add the rt linux 4.1.3-rt3 as base Import the rt linux 4.1.3-rt3 as OPNFV kvm base. It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and the base is: commit 0917f823c59692d751951bf5ea699a2d1e2f26a2 Author: Sebastian Andrzej Siewior Date: Sat Jul 25 12:13:34 2015 +0200 Prepare v4.1.3-rt3 Signed-off-by: Sebastian Andrzej Siewior We lose all the git history this way and it's not good. We should apply another opnfv project repo in future. Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423 Signed-off-by: Yunhong Jiang --- kernel/arch/arm/mach-zynq/common.h | 54 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 kernel/arch/arm/mach-zynq/common.h (limited to 'kernel/arch/arm/mach-zynq/common.h') diff --git a/kernel/arch/arm/mach-zynq/common.h b/kernel/arch/arm/mach-zynq/common.h new file mode 100644 index 000000000..382c60e9a --- /dev/null +++ b/kernel/arch/arm/mach-zynq/common.h @@ -0,0 +1,54 @@ +/* + * 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__ + +void zynq_secondary_startup(void); + +extern int zynq_slcr_init(void); +extern int zynq_early_slcr_init(void); +extern void zynq_slcr_system_reset(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 struct smp_operations zynq_smp_ops __initdata; +#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 1.2.3-korg