xref: /freebsd/sys/contrib/ncsw/inc/core_ext.h (revision 63a938566d524836885917d95bd491aa4400b181)
1 /*
2  * Copyright 2008-2012 Freescale Semiconductor Inc.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions are met:
6  *     * Redistributions of source code must retain the above copyright
7  *       notice, this list of conditions and the following disclaimer.
8  *     * Redistributions in binary form must reproduce the above copyright
9  *       notice, this list of conditions and the following disclaimer in the
10  *       documentation and/or other materials provided with the distribution.
11  *     * Neither the name of Freescale Semiconductor nor the
12  *       names of its contributors may be used to endorse or promote products
13  *       derived from this software without specific prior written permission.
14  *
15  *
16  * ALTERNATIVELY, this software may be distributed under the terms of the
17  * GNU General Public License ("GPL") as published by the Free Software
18  * Foundation, either version 2 of that License or (at your option) any
19  * later version.
20  *
21  * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
22  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
23  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
24  * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
25  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
26  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
27  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
28  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
30  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 
34 /**************************************************************************//**
35  @File          core_ext.h
36 
37  @Description   Generic interface to basic core operations.
38 
39                 The system integrator must ensure that this interface is
40                 mapped to a specific core implementation, by including the
41                 appropriate header file.
42 *//***************************************************************************/
43 #ifndef __CORE_EXT_H
44 #define __CORE_EXT_H
45 
46 #ifdef CONFIG_FMAN_ARM
47 #include "arm_ext.h"
48 #include <linux/smp.h>
49 #else
50 #ifdef NCSW_PPC_CORE
51 #include "ppc_ext.h"
52 #elif defined(NCSW_VXWORKS)
53 #include "core_vxw_ext.h"
54 #else
55 #error "Core is not defined!"
56 #endif /* NCSW_CORE */
57 
58 #if (!defined(CORE_IS_LITTLE_ENDIAN) && !defined(CORE_IS_BIG_ENDIAN))
59 #error "Must define core as little-endian or big-endian!"
60 #endif /* (!defined(CORE_IS_LITTLE_ENDIAN) && ... */
61 
62 #ifndef CORE_CACHELINE_SIZE
63 #error "Must define the core cache-line size!"
64 #endif /* !CORE_CACHELINE_SIZE */
65 
66 #endif /* CONFIG_FMAN_ARM */
67 
68 
69 /**************************************************************************//**
70  @Function      CORE_GetId
71 
72  @Description   Returns the core ID in the system.
73 
74  @Return        Core ID.
75 *//***************************************************************************/
76 uint32_t CORE_GetId(void);
77 
78 /**************************************************************************//**
79  @Function      CORE_MemoryBarrier
80 
81  @Description   This routine will cause the core to stop executing any commands
82                 until all previous memory read/write commands are completely out
83                 of the core's pipeline.
84 
85  @Return        None.
86 *//***************************************************************************/
87 void CORE_MemoryBarrier(void);
88 #define fsl_mem_core_barrier() CORE_MemoryBarrier()
89 
90 #endif /* __CORE_EXT_H */
91