1 /*
2 * Copyright 2003-2011 NetLogic Microsystems, Inc. (NetLogic). All rights
3 * reserved.
4 *
5 * This software is available to you under a choice of one of two
6 * licenses. You may choose to be licensed under the terms of the GNU
7 * General Public License (GPL) Version 2, available from the file
8 * COPYING in the main directory of this source tree, or the NetLogic
9 * license below:
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 *
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in
19 * the documentation and/or other materials provided with the
20 * distribution.
21 *
22 * THIS SOFTWARE IS PROVIDED BY NETLOGIC ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
24 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL NETLOGIC OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
29 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
30 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
31 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
32 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 */
34
35 #ifndef _NETLOGIC_COMMON_H_
36 #define _NETLOGIC_COMMON_H_
37
38 /*
39 * Common SMP definitions
40 */
41 #define RESET_VEC_PHYS 0x1fc00000
42 #define RESET_DATA_PHYS (RESET_VEC_PHYS + (1<<10))
43 #define BOOT_THREAD_MODE 0
44 #define BOOT_NMI_LOCK 4
45 #define BOOT_NMI_HANDLER 8
46
47 #ifndef __ASSEMBLY__
48 struct irq_desc;
49 extern struct plat_smp_ops nlm_smp_ops;
50 extern char nlm_reset_entry[], nlm_reset_entry_end[];
51 void nlm_smp_function_ipi_handler(unsigned int irq, struct irq_desc *desc);
52 void nlm_smp_resched_ipi_handler(unsigned int irq, struct irq_desc *desc);
53 void nlm_smp_irq_init(void);
54 void nlm_boot_secondary_cpus(void);
55 int nlm_wakeup_secondary_cpus(u32 wakeup_mask);
56 void nlm_rmiboot_preboot(void);
57
58 static inline void
nlm_set_nmi_handler(void * handler)59 nlm_set_nmi_handler(void *handler)
60 {
61 char *reset_data;
62
63 reset_data = (char *)CKSEG1ADDR(RESET_DATA_PHYS);
64 *(int64_t *)(reset_data + BOOT_NMI_HANDLER) = (long)handler;
65 }
66
67 /*
68 * Misc.
69 */
70 unsigned int nlm_get_cpu_frequency(void);
71
72 extern unsigned long nlm_common_ebase;
73 extern int nlm_threads_per_core;
74 extern uint32_t nlm_cpumask, nlm_coremask;
75 #endif
76 #endif /* _NETLOGIC_COMMON_H_ */
77