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 __init *efi_fdt_pointer(void); 13 void efifb_setup_from_dmi(struct screen_info *si, const char *opt); 14 15 #define ARCH_EFI_IRQ_FLAGS_MASK 0x00000004 /* Bit 2: CSR.CRMD.IE */ 16 17 #define arch_efi_call_virt_setup() 18 #define arch_efi_call_virt_teardown() 19 20 #define EFI_ALLOC_ALIGN SZ_64K 21 #define EFI_RT_VIRTUAL_OFFSET CSR_DMW0_BASE 22 23 static inline unsigned long efi_get_max_initrd_addr(unsigned long image_addr) 24 { 25 return ULONG_MAX; 26 } 27 28 static inline unsigned long efi_get_kimg_min_align(void) 29 { 30 return SZ_2M; 31 } 32 33 #define EFI_KIMG_PREFERRED_ADDRESS PHYSADDR(VMLINUX_LOAD_ADDRESS) 34 35 unsigned long kernel_entry_address(void); 36 37 #endif /* _ASM_LOONGARCH_EFI_H */ 38