xref: /kernel/linux/linux-5.10/arch/loongarch/include/asm/efi.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Copyright (C) 2020 Loongson Technology Co., Ltd.
 */
#ifndef _ASM_LOONGARCH_EFI_H
#define _ASM_LOONGARCH_EFI_H

#include <linux/efi.h>

void __init efi_init(void);
void __init efi_runtime_init(void);

#define ARCH_EFI_IRQ_FLAGS_MASK  0x00000004  /* Bit 2: CSR.CRMD.IE */

static inline void efifb_setup_from_dmi(struct screen_info *si, const char *opt)
{
}

#define arch_efi_call_virt_setup()               \
({                                               \
})

#define arch_efi_call_virt(p, f, args...)        \
({                                               \
	efi_##f##_t * __f;                       \
	__f = p->f;                              \
	__f(args);                               \
})

#define arch_efi_call_virt_teardown()            \
({                                               \
})

#define EFI_ALLOC_ALIGN		SZ_64K
#define EFI_RT_VIRTUAL_OFFSET	CSR_DMW0_BASE

struct screen_info *alloc_screen_info(void);
void free_screen_info(struct screen_info *si);

static inline unsigned long efi_get_max_fdt_addr(unsigned long image_addr)
{
	return ULONG_MAX;
}

static inline unsigned long efi_get_max_initrd_addr(unsigned long image_addr)
{
	return ULONG_MAX;
}

#endif /* _ASM_LOONGARCH_EFI_H */