1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
|
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2020 Western Digital Corporation or its affiliates.
*/
#include <linux/init.h>
#include <linux/libfdt.h>
#include <linux/pgtable.h>
#include <asm/soc.h>
/*
* This is called extremly early, before parse_dtb(), to allow initializing
* SoC hardware before memory or any device driver initialization.
*/
void __init soc_early_init(void)
{
void (*early_fn)(const void *fdt);
const struct of_device_id *s;
const void *fdt = dtb_early_va;
for (s = (void *)&__soc_early_init_table_start;
(void *)s < (void *)&__soc_early_init_table_end; s++) {
if (!fdt_node_check_compatible(fdt, 0, s->compatible)) {
early_fn = s->data;
early_fn(fdt);
return;
}
}
}
|
