xref: /rk3399_ARM-atf/include/lib/cpus/aarch64/cpu_macros.S (revision 532ed6183868036e4a4f83cd7a71b93266a3bdb7)
1/*
2 * Copyright (c) 2014-2015, ARM Limited and Contributors. All rights reserved.
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 *
7 * Redistributions of source code must retain the above copyright notice, this
8 * list of conditions and the following disclaimer.
9 *
10 * Redistributions in binary form must reproduce the above copyright notice,
11 * this list of conditions and the following disclaimer in the documentation
12 * and/or other materials provided with the distribution.
13 *
14 * Neither the name of ARM nor the names of its contributors may be used
15 * to endorse or promote products derived from this software without specific
16 * prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
29 */
30#ifndef __CPU_MACROS_S__
31#define __CPU_MACROS_S__
32
33#include <arch.h>
34
35#define CPU_IMPL_PN_MASK	(MIDR_IMPL_MASK << MIDR_IMPL_SHIFT) | \
36				(MIDR_PN_MASK << MIDR_PN_SHIFT)
37
38	/*
39	 * Define the offsets to the fields in cpu_ops structure.
40	 */
41	.struct 0
42CPU_MIDR: /* cpu_ops midr */
43	.space  8
44/* Reset fn is needed in BL at reset vector */
45#if IMAGE_BL1 || IMAGE_BL31
46CPU_RESET_FUNC: /* cpu_ops reset_func */
47	.space  8
48#endif
49#if IMAGE_BL31 /* The power down core and cluster is needed only in BL31 */
50CPU_PWR_DWN_CORE: /* cpu_ops core_pwr_dwn */
51	.space  8
52CPU_PWR_DWN_CLUSTER: /* cpu_ops cluster_pwr_dwn */
53	.space  8
54#endif
55#if (IMAGE_BL31 && CRASH_REPORTING)
56CPU_REG_DUMP: /* cpu specific register dump for crash reporting */
57	.space  8
58#endif
59CPU_OPS_SIZE = .
60
61	/*
62	 * Convenience macro to declare cpu_ops structure.
63	 * Make sure the structure fields are as per the offsets
64	 * defined above.
65	 */
66	.macro declare_cpu_ops _name:req, _midr:req, _noresetfunc = 0
67	.section cpu_ops, "a"; .align 3
68	.type cpu_ops_\_name, %object
69	.quad \_midr
70#if IMAGE_BL1 || IMAGE_BL31
71	.if \_noresetfunc
72	.quad 0
73	.else
74	.quad \_name\()_reset_func
75	.endif
76#endif
77#if IMAGE_BL31
78	.quad \_name\()_core_pwr_dwn
79	.quad \_name\()_cluster_pwr_dwn
80#endif
81#if (IMAGE_BL31 && CRASH_REPORTING)
82	.quad \_name\()_cpu_reg_dump
83#endif
84	.endm
85
86#endif /* __CPU_MACROS_S__ */
87