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d7071743 AP |
1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | /* | |
3 | * Copyright (C) 2020 Western Digital Corporation or its affiliates. | |
4 | */ | |
5 | #ifndef _ASM_EFI_H | |
6 | #define _ASM_EFI_H | |
7 | ||
b91540d5 | 8 | #include <asm/csr.h> |
d7071743 AP |
9 | #include <asm/io.h> |
10 | #include <asm/mmu_context.h> | |
11 | #include <asm/ptrace.h> | |
12 | #include <asm/tlbflush.h> | |
13 | ||
b91540d5 AP |
14 | #ifdef CONFIG_EFI |
15 | extern void efi_init(void); | |
16 | #else | |
17 | #define efi_init() | |
18 | #endif | |
19 | ||
20 | int efi_create_mapping(struct mm_struct *mm, efi_memory_desc_t *md); | |
21 | int efi_set_mapping_permissions(struct mm_struct *mm, efi_memory_desc_t *md); | |
22 | ||
23 | #define arch_efi_call_virt_setup() efi_virtmap_load() | |
24 | #define arch_efi_call_virt_teardown() efi_virtmap_unload() | |
25 | ||
26 | #define arch_efi_call_virt(p, f, args...) p->f(args) | |
27 | ||
28 | #define ARCH_EFI_IRQ_FLAGS_MASK (SR_IE | SR_SPIE) | |
29 | ||
c79e89ec | 30 | /* Load initrd anywhere in system RAM */ |
d7071743 AP |
31 | static inline unsigned long efi_get_max_initrd_addr(unsigned long image_addr) |
32 | { | |
c79e89ec | 33 | return ULONG_MAX; |
d7071743 AP |
34 | } |
35 | ||
36 | #define alloc_screen_info(x...) (&screen_info) | |
37 | ||
38 | static inline void free_screen_info(struct screen_info *si) | |
39 | { | |
40 | } | |
41 | ||
b91540d5 AP |
42 | void efi_virtmap_load(void); |
43 | void efi_virtmap_unload(void); | |
44 | ||
d7071743 | 45 | #endif /* _ASM_EFI_H */ |