// 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 <asm/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; } } }