29 lines
737 B
C
29 lines
737 B
C
|
// 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;
|
||
|
}
|
||
|
}
|
||
|
}
|