1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Copyright (C) 2020-2022 Loongson Technology Corporation Limited 4 */ 5 #ifndef _ASM_LOONGARCH_EFI_H 6 #define _ASM_LOONGARCH_EFI_H 7 8 #include <linux/efi.h> 9 10 void __init efi_init(void); 11 void __init efi_runtime_init(void); 12 void efifb_setup_from_dmi(struct screen_info *si, const char *opt); 13 14 #define ARCH_EFI_IRQ_FLAGS_MASK 0x00000004 /* Bit 2: CSR.CRMD.IE */ 15 16 #define arch_efi_call_virt_setup() 17 #define arch_efi_call_virt_teardown() 18 19 #define EFI_ALLOC_ALIGN SZ_64K 20 #define EFI_RT_VIRTUAL_OFFSET CSR_DMW0_BASE 21 22 static inline struct screen_info *alloc_screen_info(void) 23 { 24 return &screen_info; 25 } 26 27 static inline void free_screen_info(struct screen_info *si) 28 { 29 } 30 31 static inline unsigned long efi_get_max_initrd_addr(unsigned long image_addr) 32 { 33 return ULONG_MAX; 34 } 35 36 #endif /* _ASM_LOONGARCH_EFI_H */ 37