Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * Device tree support
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * Copyright (C) 2013, 2015 Altera Corporation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  * Copyright (C) 2010 Thomas Chou <thomas@wytron.com.tw>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  * Based on MIPS support for CONFIG_OF device tree support
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)  * Copyright (C) 2010 Cisco Systems Inc. <dediao@cisco.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/memblock.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/of.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/of_fdt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <asm/sections.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) void __init early_init_devtree(void *params)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	__be32 *dtb = (u32 *)__dtb_start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #if defined(CONFIG_NIOS2_DTB_AT_PHYS_ADDR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	if (be32_to_cpup((__be32 *)CONFIG_NIOS2_DTB_PHYS_ADDR) ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 		 OF_DT_HEADER) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 		params = (void *)CONFIG_NIOS2_DTB_PHYS_ADDR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 		early_init_dt_scan(params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	if (be32_to_cpu((__be32) *dtb) == OF_DT_HEADER)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 		params = (void *)__dtb_start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	early_init_dt_scan(params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) }