36 lines
630 B
ArmAsm
36 lines
630 B
ArmAsm
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* (C) Copyright 2016
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* Cédric Schieli <cschieli@gmail.com>
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*/
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#include <config.h>
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.align 8
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.global fw_dtb_pointer
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fw_dtb_pointer:
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#ifdef CONFIG_ARM64
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.dword 0x0
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#else
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.word 0x0
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#endif
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/*
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* Routine: save_boot_params (called after reset from start.S)
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* Description: save ATAG/FDT address provided by the firmware at boot time
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*/
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.global save_boot_params
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save_boot_params:
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/* The firmware provided ATAG/FDT address can be found in r2/x0 */
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#ifdef CONFIG_ARM64
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adr x8, fw_dtb_pointer
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str x0, [x8]
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#else
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str r2, fw_dtb_pointer
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#endif
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/* Returns */
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b save_boot_params_ret
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