Lines Matching +full:idle +full:- +full:halt
1 // SPDX-License-Identifier: GPL-2.0-or-later
18 #include <asm/mips-cps.h>
21 #include <asm/pm-cps.h>
24 #include <asm/smp-cps.h>
64 for (v = 0; v < min_t(int, core_vpes, NR_CPUS - nvpes); v++) { in cps_smp_setup()
103 /* If we have an FPU, enroll ourselves in the FPU-full mask */ in cps_smp_setup()
117 /* Detect whether the CCA is unsuited to multi-core SMP */ in cps_prepare_cpus()
122 /* The CCA is coherent, multi-core is fine */ in cps_prepare_cpus()
127 /* CCA is not coherent, multi-core is not usable */ in cps_prepare_cpus()
131 /* Warn the user if the CCA prevents multi-core */ in cps_prepare_cpus()
160 (void *)entry_code - (void *)&mips_cps_core_entry); in cps_prepare_cpus()
260 timeout--; in boot_core()
290 static int cps_boot_secondary(int cpu, struct task_struct *idle) in cps_boot_secondary() argument
295 struct vpe_boot_config *vpe_cfg = &core_cfg->vpe_config[vpe_id]; in cps_boot_secondary()
302 return -ENOSYS; in cps_boot_secondary()
304 vpe_cfg->pc = (unsigned long)&smp_bootstrap; in cps_boot_secondary()
305 vpe_cfg->sp = __KSTK_TOS(idle); in cps_boot_secondary()
306 vpe_cfg->gp = (unsigned long)task_thread_info(idle); in cps_boot_secondary()
308 atomic_or(1 << cpu_vpe_id(&cpu_data[cpu]), &core_cfg->vpe_mask); in cps_boot_secondary()
359 /* Disable MT - we only want to run 1 TC per VPE */ in cps_init_secondary()
390 /* If we have an FPU, enroll ourselves in the FPU-full mask */ in cps_smp_finish()
417 /* Halt this TC */ in cps_shutdown_this_cpu()
457 return -EINVAL; in cps_cpu_disable()
460 atomic_sub(1 << cpu_vpe_id(¤t_cpu_data), &core_cfg->vpe_mask); in cps_cpu_disable()
490 * There is an online VPE within the core. Just halt in play_dead()
535 * - Onlining the CPU again. in cps_cleanup_dead_cpu()
536 * - Powering down the core if another VPE within it is offlined. in cps_cleanup_dead_cpu()
537 * - A sibling VPE entering a non-coherent state. in cps_cleanup_dead_cpu()
539 * In the non-MT halt case (ie. infinite loop) the CPU is doing nothing in cps_cleanup_dead_cpu()
585 * for its TC to halt. in cps_cleanup_dead_cpu()
631 return -ENODEV; in register_cps_smp_ops()
634 /* check we have a GIC - we need one for IPIs */ in register_cps_smp_ops()
637 return -ENODEV; in register_cps_smp_ops()