Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / 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 (file)
index 0000000..382c60e
--- /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