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 core_boot_config *core_config;
28 };
29 
30 extern struct cluster_boot_config *mips_cps_cluster_bootcfg;
31 
32 extern void mips_cps_core_boot(int cca, void __iomem *gcr_base);
33 extern void mips_cps_core_init(void);
34 
35 extern void mips_cps_boot_vpes(struct core_boot_config *cfg, unsigned vpe);
36 
37 extern void mips_cps_pm_save(void);
38 extern void mips_cps_pm_restore(void);
39 
40 extern void excep_tlbfill(void);
41 extern void excep_xtlbfill(void);
42 extern void excep_cache(void);
43 extern void excep_genex(void);
44 extern void excep_intex(void);
45 extern void excep_ejtag(void);
46 
47 #ifdef CONFIG_MIPS_CPS
48 
49 extern bool mips_cps_smp_in_use(void);
50 
51 #else /* !CONFIG_MIPS_CPS */
52 
mips_cps_smp_in_use(void)53 static inline bool mips_cps_smp_in_use(void) { return false; }
54 
55 #endif /* !CONFIG_MIPS_CPS */
56 
57 #else /* __ASSEMBLY__ */
58 
59 .extern mips_cps_bootcfg;
60 
61 #endif /* __ASSEMBLY__ */
62 #endif /* __MIPS_ASM_SMP_CPS_H__ */
63