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https://github.com/Fishwaldo/linux-bl808.git
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d7071743db
Add a RISC-V architecture specific stub code that actually copies the actual kernel image to a valid address and jump to it after boot services are terminated. Enable UEFI related kernel configs as well for RISC-V. Signed-off-by: Atish Patra <atish.patra@wdc.com> Link: https://lore.kernel.org/r/20200421033336.9663-4-atish.patra@wdc.com [ardb: - move hartid fetch into check_platform_features() - use image_size not reserve_size - select ISA_C - do not use dram_base] Signed-off-by: Ard Biesheuvel <ardb@kernel.org> Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
35 lines
806 B
C
35 lines
806 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2020 Western Digital Corporation or its affiliates.
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*/
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#ifndef _ASM_EFI_H
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#define _ASM_EFI_H
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#include <asm/io.h>
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#include <asm/mmu_context.h>
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#include <asm/ptrace.h>
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#include <asm/tlbflush.h>
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/* on RISC-V, the FDT may be located anywhere in system RAM */
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static inline unsigned long efi_get_max_fdt_addr(unsigned long image_addr)
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{
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return ULONG_MAX;
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}
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/* Load initrd at enough distance from DRAM start */
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static inline unsigned long efi_get_max_initrd_addr(unsigned long image_addr)
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{
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return image_addr + SZ_256M;
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}
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#define alloc_screen_info(x...) (&screen_info)
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static inline void free_screen_info(struct screen_info *si)
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{
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}
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static inline void efifb_setup_from_dmi(struct screen_info *si, const char *opt)
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{
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}
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#endif /* _ASM_EFI_H */
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