1 // SPDX-License-Identifier: GPL-2.0-or-later
6  * Copyright 2006-2008, 2011-2012, 2015 Freescale Semiconductor Inc.
26 #include <asm/text-patching.h>
58 	qoriq_pm_ops->freeze_time_base(true);  in mpc85xx_give_timebase()
61 	 * e5500/e6500 have a workaround for erratum A-006958 in place  in mpc85xx_give_timebase()
62 	 * that will reread the timebase until TBL is non-zero.  in mpc85xx_give_timebase()
66 	 * TBL is non-zero, we ensure that TB does not change.  We don't  in mpc85xx_give_timebase()
91 	qoriq_pm_ops->freeze_time_base(false);  in mpc85xx_give_timebase()
122 	qoriq_pm_ops->irq_mask(cpu);  in smp_85xx_cpu_offline_self()
131 	cur_cpu_spec->cpu_down_flush();  in smp_85xx_cpu_offline_self()
133 	qoriq_pm_ops->cpu_die(cpu);  in smp_85xx_cpu_offline_self()
146 			paca_ptrs[cpu]->cpu_start = 0;  in qoriq_cpu_kill()
158  * cache-inhibit spin table, we need to flush the cache
159  * before accessing spin table to invalidate any staled data.
160  * We also need to flush the cache after writing to spin
161  * table to push data out.
173 	return in_be32(&((struct epapr_spin_table *)spin_table)->addr_l);  in read_spin_table_addr_l()
199 	cpu_rel_addr = of_get_property(np, "cpu-release-addr", NULL);  in smp_85xx_start_cpu()
201 		pr_err("No cpu-release-addr for cpu %d\n", cpu);  in smp_85xx_start_cpu()
202 		return -ENOENT;  in smp_85xx_start_cpu()
211 	ioremappable = *cpu_rel_addr > virt_to_phys(high_memory - 1);  in smp_85xx_start_cpu()
213 	/* Map the spin table */  in smp_85xx_start_cpu()
223 	if (qoriq_pm_ops && qoriq_pm_ops->cpu_up_prepare)  in smp_85xx_start_cpu()
224 		qoriq_pm_ops->cpu_up_prepare(cpu);  in smp_85xx_start_cpu()
237 		 * loader uses a cache-inhibited spin table.  in smp_85xx_start_cpu()
244 			ret = -EAGAIN;  in smp_85xx_start_cpu()
250 	out_be32(&spin_table->pir, hw_cpu);  in smp_85xx_start_cpu()
252 	out_be64((u64 *)(&spin_table->addr_h),  in smp_85xx_start_cpu()
257 	 * We need also to write addr_h to spin table for systems  in smp_85xx_start_cpu()
262 	out_be32(&spin_table->addr_h, __pa(__early_start) >> 32);  in smp_85xx_start_cpu()
264 	out_be32(&spin_table->addr_l, __pa(__early_start));  in smp_85xx_start_cpu()
290 			return -ENOENT;  in smp_85xx_kick_cpu()
295 		if (qoriq_pm_ops && qoriq_pm_ops->cpu_up_prepare)  in smp_85xx_kick_cpu()
296 			qoriq_pm_ops->cpu_up_prepare(nr);  in smp_85xx_kick_cpu()
328 		return -EINVAL;  in smp_85xx_kick_cpu()
336 	paca_ptrs[nr]->cpu_start = 1;  in smp_85xx_kick_cpu()
374 		cur_cpu_spec->cpu_down_flush();  in mpc85xx_smp_kexec_cpu_down()
420 		while (paca_ptrs[disable_cpu]->kexec_state < KEXEC_STATE_REAL_MODE) {  in mpc85xx_smp_kexec_cpu_down()
423 			if (!notified && now - start > 1000000) {  in mpc85xx_smp_kexec_cpu_down()
427 					paca_ptrs[disable_cpu]->kexec_state);  in mpc85xx_smp_kexec_cpu_down()
450 	if (image->type == KEXEC_TYPE_DEFAULT)  in mpc85xx_smp_machine_kexec()
453 	while ( (atomic_read(&kexec_down_cpus) != (num_cpus - 1)) &&  in mpc85xx_smp_machine_kexec()
456 		timeout--;  in mpc85xx_smp_machine_kexec()
483 	np = of_find_node_by_type(NULL, "open-pic");  in mpc85xx_smp_init()