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 extern struct core_boot_config *mips_cps_core_bootcfg;
26
27 extern void mips_cps_core_boot(int cca, void __iomem *gcr_base);
28 extern void mips_cps_core_init(void);
29
30 extern void mips_cps_boot_vpes(struct core_boot_config *cfg, unsigned vpe);
31
32 extern void mips_cps_pm_save(void);
33 extern void mips_cps_pm_restore(void);
34
35 extern void excep_tlbfill(void);
36 extern void excep_xtlbfill(void);
37 extern void excep_cache(void);
38 extern void excep_genex(void);
39 extern void excep_intex(void);
40 extern void excep_ejtag(void);
41
42 #ifdef CONFIG_MIPS_CPS
43
44 extern bool mips_cps_smp_in_use(void);
45
46 #else /* !CONFIG_MIPS_CPS */
47
48 static inline bool mips_cps_smp_in_use(void) { return false; }
49
50 #endif /* !CONFIG_MIPS_CPS */
51
52 #else /* __ASSEMBLY__ */
53
54 .extern mips_cps_bootcfg;
55
56 #endif /* __ASSEMBLY__ */
57 #endif /* __MIPS_ASM_SMP_CPS_H__ */
58
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