projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 560285cd AB |
2 | #ifndef _ASM_POWERPC_SETUP_H |
| 3 | #define _ASM_POWERPC_SETUP_H | |
| 4 | ||
| 5 | #include <uapi/asm/setup.h> | |
| 6 | ||
| 7 | #ifndef __ASSEMBLY__ | |
| 8 | extern void ppc_printk_progress(char *s, unsigned short hex); | |
| 9 | ||
| 10 | extern unsigned int rtas_data; | |
| 560285cd | 11 | extern unsigned long long memory_limit; |
| 51c3c62b | 12 | extern bool init_mem_is_free; |
| 560285cd AB |
13 | extern unsigned long klimit; |
| 14 | extern void *zalloc_maybe_bootmem(size_t size, gfp_t mask); | |
| 15 | ||
| 560285cd AB |
16 | struct device_node; |
| 17 | extern void note_scsi_host(struct device_node *, void *); | |
| 18 | ||
| 19 | /* Used in very early kernel initialization. */ | |
| 20 | extern unsigned long reloc_offset(void); | |
| 21 | extern unsigned long add_reloc_offset(unsigned long); | |
| 22 | extern void reloc_got2(unsigned long); | |
| 23 | ||
| 24 | #define PTRRELOC(x) ((typeof(x)) add_reloc_offset((unsigned long)(x))) | |
| 25 | ||
| b88c4767 | 26 | void check_for_initrd(void); |
| 9bd9be00 | 27 | void mem_topology_setup(void); |
| 10239733 | 28 | void initmem_init(void); |
| ab9dbf77 | 29 | void setup_panic(void); |
| b71d47c1 | 30 | #define ARCH_PANIC_TIMEOUT 180 |
| b88c4767 | 31 | |
| d3cbff1b BH |
32 | #ifdef CONFIG_PPC_PSERIES |
| 33 | extern void pseries_enable_reloc_on_exc(void); | |
| 34 | extern void pseries_disable_reloc_on_exc(void); | |
| 35 | extern void pseries_big_endian_exceptions(void); | |
| 36 | extern void pseries_little_endian_exceptions(void); | |
| 37 | #else | |
| 38 | static inline void pseries_enable_reloc_on_exc(void) {} | |
| 39 | static inline void pseries_disable_reloc_on_exc(void) {} | |
| 40 | static inline void pseries_big_endian_exceptions(void) {} | |
| 41 | static inline void pseries_little_endian_exceptions(void) {} | |
| 42 | #endif /* CONFIG_PPC_PSERIES */ | |
| 43 | ||
| aa8a5e00 ME |
44 | void rfi_flush_enable(bool enable); |
| 45 | ||
| 46 | /* These are bit flags */ | |
| 47 | enum l1d_flush_type { | |
| 48 | L1D_FLUSH_NONE = 0x1, | |
| 49 | L1D_FLUSH_FALLBACK = 0x2, | |
| 50 | L1D_FLUSH_ORI = 0x4, | |
| 51 | L1D_FLUSH_MTTRIG = 0x8, | |
| 52 | }; | |
| 53 | ||
| abf110f3 | 54 | void setup_rfi_flush(enum l1d_flush_type, bool enable); |
| aa8a5e00 | 55 | void do_rfi_flush_fixups(enum l1d_flush_type types); |
| af375eef | 56 | #ifdef CONFIG_PPC_BARRIER_NOSPEC |
| cb3d6759 | 57 | void setup_barrier_nospec(void); |
| af375eef ME |
58 | #else |
| 59 | static inline void setup_barrier_nospec(void) { }; | |
| 60 | #endif | |
| 2eea7f06 | 61 | void do_barrier_nospec_fixups(bool enable); |
| 815069ca MS |
62 | extern bool barrier_nospec_enabled; |
| 63 | ||
| 179ab1cb | 64 | #ifdef CONFIG_PPC_BARRIER_NOSPEC |
| 815069ca MS |
65 | void do_barrier_nospec_fixups_range(bool enable, void *start, void *end); |
| 66 | #else | |
| 67 | static inline void do_barrier_nospec_fixups_range(bool enable, void *start, void *end) { }; | |
| 68 | #endif | |
| aa8a5e00 | 69 | |
| f633a8ad DC |
70 | #ifdef CONFIG_PPC_FSL_BOOK3E |
| 71 | void setup_spectre_v2(void); | |
| 72 | #else | |
| 73 | static inline void setup_spectre_v2(void) {}; | |
| 74 | #endif | |
| 76a5eaa3 DC |
75 | void do_btb_flush_fixups(void); |
| 76 | ||
| 560285cd AB |
77 | #endif /* !__ASSEMBLY__ */ |
| 78 | ||
| 79 | #endif /* _ASM_POWERPC_SETUP_H */ | |
| 80 |