diff options
Diffstat (limited to 'include/soc')
-rw-r--r-- | include/soc/nps/mtm.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/include/soc/nps/mtm.h b/include/soc/nps/mtm.h new file mode 100644 index 000000000000..d2f5e7e3703e --- /dev/null +++ b/include/soc/nps/mtm.h @@ -0,0 +1,59 @@ +/* + * Copyright (c) 2016, Mellanox Technologies. All rights reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * OpenIB.org BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifndef SOC_NPS_MTM_H +#define SOC_NPS_MTM_H + +#define CTOP_INST_HWSCHD_OFF_R3 0x3B6F00BF +#define CTOP_INST_HWSCHD_RESTORE_R3 0x3E6F70C3 + +static inline void hw_schd_save(unsigned int *flags) +{ + __asm__ __volatile__( + " .word %1\n" + " st r3,[%0]\n" + : + : "r"(flags), "i"(CTOP_INST_HWSCHD_OFF_R3) + : "r3", "memory"); +} + +static inline void hw_schd_restore(unsigned int flags) +{ + __asm__ __volatile__( + " mov r3, %0\n" + " .word %1\n" + : + : "r"(flags), "i"(CTOP_INST_HWSCHD_RESTORE_R3) + : "r3"); +} + +#endif /* SOC_NPS_MTM_H */ |