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/*
* Copyright (c) 2018 Western Digital Corporation or its affiliates.
*
* Authors:
* Anup Patel <anup.patel@wdc.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "fw_base.S"
.align 3
.section .entry, "ax", %progbits
.global fw_prev_arg1
fw_prev_arg1:
/* We return previous arg1 in 'a0' */
#ifdef FW_PAYLOAD_FDT_PATH
la a0, fdt_bin
#else
add a0, zero, zero
#endif
ret
.align 3
.section .entry, "ax", %progbits
.global fw_next_arg1
fw_next_arg1:
/* We return next arg1 in 'a0' */
#ifdef FW_PAYLOAD_FDT_ADDR
li a0, FW_PAYLOAD_FDT_ADDR
#else
add a0, zero, zero
#endif
ret
.align 3
.section .entry, "ax", %progbits
.global fw_next_addr
fw_next_addr:
/* We return next address in 'a0' */
la a0, payload_bin
ret
#define str(s) #s
#define stringify(s) str(s)
#ifdef FW_PAYLOAD_FDT_PATH
.align 3
.section .text, "ax", %progbits
.globl fdt_bin
fdt_bin:
.incbin stringify(FW_PAYLOAD_FDT_PATH)
#endif
.section .payload, "ax", %progbits
.globl payload_bin
payload_bin:
#ifndef FW_PAYLOAD_PATH
wfi
j payload_bin
#else
.incbin stringify(FW_PAYLOAD_PATH)
#endif
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