| // SPDX-License-Identifier: GPL-2.0-or-later |
| /* |
| * Procedures for creating, accessing and interpreting the device tree. |
| * |
| * Paul Mackerras August 1996. |
| * Copyright (C) 1996-2005 Paul Mackerras. |
| * |
| * Adapted for 64bit PowerPC by Dave Engebretsen and Peter Bergner. |
| * {engebret|bergner}@us.ibm.com |
| */ |
| |
| #include <linux/kernel.h> |
| #include <linux/string.h> |
| #include <linux/memblock.h> |
| #include <linux/of_fdt.h> |
| |
| void __init early_init_devtree(void *params) |
| { |
| pr_debug(" -> early_init_devtree(%p)\n", params); |
| |
| early_init_dt_scan(params); |
| if (!strlen(boot_command_line)) |
| strlcpy(boot_command_line, cmd_line, COMMAND_LINE_SIZE); |
| |
| memblock_allow_resize(); |
| |
| pr_debug("Phys. mem: %lx\n", (unsigned long) memblock_phys_mem_size()); |
| |
| pr_debug(" <- early_init_devtree()\n"); |
| } |