mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-05 10:04:12 +08:00
e9e06f2853
This patch introduces support for waking up secondary CPU cores on Alpine platform. Signed-off-by: Barak Wasserstrom <barak@annapurnalabs.com> Signed-off-by: Tsahee Zidenberg <tsahee@annapurnalabs.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
39 lines
1.1 KiB
C
39 lines
1.1 KiB
C
/*
|
|
* Annapurna labs cpu-resume register structure.
|
|
*
|
|
* Copyright (C) 2015 Annapurna Labs Ltd.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*/
|
|
|
|
#ifndef ALPINE_CPU_RESUME_H_
|
|
#define ALPINE_CPU_RESUME_H_
|
|
|
|
/* Per-cpu regs */
|
|
struct al_cpu_resume_regs_per_cpu {
|
|
uint32_t flags;
|
|
uint32_t resume_addr;
|
|
};
|
|
|
|
/* general regs */
|
|
struct al_cpu_resume_regs {
|
|
/* Watermark for validating the CPU resume struct */
|
|
uint32_t watermark;
|
|
uint32_t flags;
|
|
struct al_cpu_resume_regs_per_cpu per_cpu[];
|
|
};
|
|
|
|
/* The expected magic number for validating the resume addresses */
|
|
#define AL_CPU_RESUME_MAGIC_NUM 0xf0e1d200
|
|
#define AL_CPU_RESUME_MAGIC_NUM_MASK 0xffffff00
|
|
|
|
#endif /* ALPINE_CPU_RESUME_H_ */
|