2 * Architecture specific OF callbacks.
4 * Copyright (C) 2011 Texas Instruments Incorporated
5 * Author: Mark Salter <msalter@redhat.com>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
12 #include <linux/init.h>
14 #include <linux/of_fdt.h>
15 #include <linux/initrd.h>
16 #include <linux/memblock.h>
18 void __init early_init_devtree(void *params)
20 /* Setup flat device-tree pointer */
21 initial_boot_params = params;
23 /* Retrieve various informations from the /chosen node of the
24 * device-tree, including the platform type, initrd location and
27 of_scan_flat_dt(early_init_dt_scan_chosen, c6x_command_line);
29 /* Scan memory nodes and rebuild MEMBLOCKs */
30 of_scan_flat_dt(early_init_dt_scan_root, NULL);
31 of_scan_flat_dt(early_init_dt_scan_memory, NULL);
35 #ifdef CONFIG_BLK_DEV_INITRD
36 void __init early_init_dt_setup_initrd_arch(u64 start, u64 end)
38 initrd_start = (unsigned long)__va(start);
39 initrd_end = (unsigned long)__va(end);
40 initrd_below_start_ok = 1;
44 void __init early_init_dt_add_memory_arch(u64 base, u64 size)
46 c6x_add_memory(base, size);