1/* 2 * Copyright (c) 2016, 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 4 44/* Reset fn is needed during reset */ 45CPU_RESET_FUNC: /* cpu_ops reset_func */ 46 .space 4 47CPU_PWR_DWN_CORE: /* cpu_ops core_pwr_dwn */ 48 .space 4 49CPU_PWR_DWN_CLUSTER: /* cpu_ops cluster_pwr_dwn */ 50 .space 4 51CPU_OPS_SIZE = . 52 53 /* 54 * Convenience macro to declare cpu_ops structure. 55 * Make sure the structure fields are as per the offsets 56 * defined above. 57 */ 58 .macro declare_cpu_ops _name:req, _midr:req, _noresetfunc = 0 59 .section cpu_ops, "a" 60 .align 2 61 .type cpu_ops_\_name, %object 62 .word \_midr 63 .if \_noresetfunc 64 .word 0 65 .else 66 .word \_name\()_reset_func 67 .endif 68 .word \_name\()_core_pwr_dwn 69 .word \_name\()_cluster_pwr_dwn 70 .endm 71 72#endif /* __CPU_MACROS_S__ */ 73