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0856c143e1
Probe for & boot CPUs (cores & VPs) in secondary clusters (ie. not the cluster that began booting Linux) when they are present in systems with CM 3.5 or higher. Signed-off-by: Paul Burton <paulburton@kernel.org> Signed-off-by: Chao-ying Fu <cfu@wavecomp.com> Signed-off-by: Dragan Mladjenovic <dragan.mladjenovic@syrmia.com> Signed-off-by: Aleksandar Rikalo <arikalo@gmail.com> Tested-by: Serge Semin <fancer.lancer@gmail.com> Tested-by: Gregory CLEMENT <gregory.clement@bootlin.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
63 lines
1.3 KiB
C
63 lines
1.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright (C) 2013 Imagination Technologies
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* Author: Paul Burton <paul.burton@mips.com>
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*/
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#ifndef __MIPS_ASM_SMP_CPS_H__
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#define __MIPS_ASM_SMP_CPS_H__
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#define CPS_ENTRY_PATCH_INSNS 6
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#ifndef __ASSEMBLY__
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struct vpe_boot_config {
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unsigned long pc;
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unsigned long sp;
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unsigned long gp;
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};
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struct core_boot_config {
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atomic_t vpe_mask;
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struct vpe_boot_config *vpe_config;
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};
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struct cluster_boot_config {
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unsigned long *core_power;
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struct core_boot_config *core_config;
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};
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extern struct cluster_boot_config *mips_cps_cluster_bootcfg;
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extern void mips_cps_core_boot(int cca, void __iomem *gcr_base);
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extern void mips_cps_core_init(void);
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extern void mips_cps_boot_vpes(struct core_boot_config *cfg, unsigned vpe);
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extern void mips_cps_pm_save(void);
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extern void mips_cps_pm_restore(void);
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extern void excep_tlbfill(void);
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extern void excep_xtlbfill(void);
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extern void excep_cache(void);
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extern void excep_genex(void);
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extern void excep_intex(void);
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extern void excep_ejtag(void);
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#ifdef CONFIG_MIPS_CPS
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extern bool mips_cps_smp_in_use(void);
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#else /* !CONFIG_MIPS_CPS */
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static inline bool mips_cps_smp_in_use(void) { return false; }
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#endif /* !CONFIG_MIPS_CPS */
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#else /* __ASSEMBLY__ */
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.extern mips_cps_bootcfg;
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#endif /* __ASSEMBLY__ */
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#endif /* __MIPS_ASM_SMP_CPS_H__ */
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