arch/loongarch/include/asm/efi.h

   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 #endif /* _ASM_LOONGARCH_EFI_H */