xref: /kernel/linux/linux-5.10/include/soc/nps/mtm.h (revision 8c2ecf20)
18c2ecf20Sopenharmony_ci/*
28c2ecf20Sopenharmony_ci * Copyright (c) 2016, Mellanox Technologies. All rights reserved.
38c2ecf20Sopenharmony_ci *
48c2ecf20Sopenharmony_ci * This software is available to you under a choice of one of two
58c2ecf20Sopenharmony_ci * licenses.  You may choose to be licensed under the terms of the GNU
68c2ecf20Sopenharmony_ci * General Public License (GPL) Version 2, available from the file
78c2ecf20Sopenharmony_ci * COPYING in the main directory of this source tree, or the
88c2ecf20Sopenharmony_ci * OpenIB.org BSD license below:
98c2ecf20Sopenharmony_ci *
108c2ecf20Sopenharmony_ci *     Redistribution and use in source and binary forms, with or
118c2ecf20Sopenharmony_ci *     without modification, are permitted provided that the following
128c2ecf20Sopenharmony_ci *     conditions are met:
138c2ecf20Sopenharmony_ci *
148c2ecf20Sopenharmony_ci *      - Redistributions of source code must retain the above
158c2ecf20Sopenharmony_ci *        copyright notice, this list of conditions and the following
168c2ecf20Sopenharmony_ci *        disclaimer.
178c2ecf20Sopenharmony_ci *
188c2ecf20Sopenharmony_ci *      - Redistributions in binary form must reproduce the above
198c2ecf20Sopenharmony_ci *        copyright notice, this list of conditions and the following
208c2ecf20Sopenharmony_ci *        disclaimer in the documentation and/or other materials
218c2ecf20Sopenharmony_ci *        provided with the distribution.
228c2ecf20Sopenharmony_ci *
238c2ecf20Sopenharmony_ci * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
248c2ecf20Sopenharmony_ci * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
258c2ecf20Sopenharmony_ci * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
268c2ecf20Sopenharmony_ci * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
278c2ecf20Sopenharmony_ci * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
288c2ecf20Sopenharmony_ci * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
298c2ecf20Sopenharmony_ci * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
308c2ecf20Sopenharmony_ci * SOFTWARE.
318c2ecf20Sopenharmony_ci */
328c2ecf20Sopenharmony_ci
338c2ecf20Sopenharmony_ci#ifndef SOC_NPS_MTM_H
348c2ecf20Sopenharmony_ci#define SOC_NPS_MTM_H
358c2ecf20Sopenharmony_ci
368c2ecf20Sopenharmony_ci#define CTOP_INST_HWSCHD_OFF_R3                 0x3B6F00BF
378c2ecf20Sopenharmony_ci#define CTOP_INST_HWSCHD_RESTORE_R3             0x3E6F70C3
388c2ecf20Sopenharmony_ci
398c2ecf20Sopenharmony_cistatic inline void hw_schd_save(unsigned int *flags)
408c2ecf20Sopenharmony_ci{
418c2ecf20Sopenharmony_ci	__asm__ __volatile__(
428c2ecf20Sopenharmony_ci	"       .word %1\n"
438c2ecf20Sopenharmony_ci	"       st r3,[%0]\n"
448c2ecf20Sopenharmony_ci	:
458c2ecf20Sopenharmony_ci	: "r"(flags), "i"(CTOP_INST_HWSCHD_OFF_R3)
468c2ecf20Sopenharmony_ci	: "r3", "memory");
478c2ecf20Sopenharmony_ci}
488c2ecf20Sopenharmony_ci
498c2ecf20Sopenharmony_cistatic inline void hw_schd_restore(unsigned int flags)
508c2ecf20Sopenharmony_ci{
518c2ecf20Sopenharmony_ci	__asm__ __volatile__(
528c2ecf20Sopenharmony_ci	"       mov r3, %0\n"
538c2ecf20Sopenharmony_ci	"       .word %1\n"
548c2ecf20Sopenharmony_ci	:
558c2ecf20Sopenharmony_ci	: "r"(flags), "i"(CTOP_INST_HWSCHD_RESTORE_R3)
568c2ecf20Sopenharmony_ci	: "r3");
578c2ecf20Sopenharmony_ci}
588c2ecf20Sopenharmony_ci
598c2ecf20Sopenharmony_ci#endif /* SOC_NPS_MTM_H */
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