1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * Copyright (C) 2013 Imagination Technologies 4 * Author: Paul Burton <paul.burton@mips.com> 5 */ 6 7 #ifndef __MIPS_ASM_SMP_CPS_H__ 8 #define __MIPS_ASM_SMP_CPS_H__ 9 10 #define CPS_ENTRY_PATCH_INSNS 6 11 12 #ifndef __ASSEMBLY__ 13 14 struct vpe_boot_config { 15 unsigned long pc; 16 unsigned long sp; 17 unsigned long gp; 18 }; 19 20 struct core_boot_config { 21 atomic_t vpe_mask; 22 struct vpe_boot_config *vpe_config; 23 }; 24 25 struct cluster_boot_config { 26 unsigned long *core_power; 27 struct cpumask cpumask; 28 struct core_boot_config *core_config; 29 }; 30 31 extern struct cluster_boot_config *mips_cps_cluster_bootcfg; 32 33 extern void mips_cps_core_boot(int cca, void __iomem *gcr_base); 34 extern void mips_cps_core_init(void); 35 36 extern void mips_cps_boot_vpes(struct core_boot_config *cfg, unsigned vpe); 37 38 extern void mips_cps_pm_save(void); 39 extern void mips_cps_pm_restore(void); 40 41 extern void excep_tlbfill(void); 42 extern void excep_xtlbfill(void); 43 extern void excep_cache(void); 44 extern void excep_genex(void); 45 extern void excep_intex(void); 46 extern void excep_ejtag(void); 47 48 #ifdef CONFIG_MIPS_CPS 49 50 extern bool mips_cps_smp_in_use(void); 51 52 #else /* !CONFIG_MIPS_CPS */ 53 mips_cps_smp_in_use(void)54static inline bool mips_cps_smp_in_use(void) { return false; } 55 56 #endif /* !CONFIG_MIPS_CPS */ 57 58 #else /* __ASSEMBLY__ */ 59 60 .extern mips_cps_bootcfg; 61 62 #endif /* __ASSEMBLY__ */ 63 #endif /* __MIPS_ASM_SMP_CPS_H__ */ 64