| /* |
| * Architecture specific OF callbacks. |
| * |
| * Copyright (C) 2011 Texas Instruments Incorporated |
| * Author: Mark Salter <msalter@redhat.com> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| * |
| */ |
| #include <linux/init.h> |
| #include <linux/of.h> |
| #include <linux/of_fdt.h> |
| #include <linux/initrd.h> |
| #include <linux/memblock.h> |
| |
| void __init early_init_devtree(void *params) |
| { |
| /* Setup flat device-tree pointer */ |
| initial_boot_params = params; |
| |
| /* Retrieve various informations from the /chosen node of the |
| * device-tree, including the platform type, initrd location and |
| * size and more ... |
| */ |
| of_scan_flat_dt(early_init_dt_scan_chosen, c6x_command_line); |
| |
| /* Scan memory nodes and rebuild MEMBLOCKs */ |
| of_scan_flat_dt(early_init_dt_scan_root, NULL); |
| of_scan_flat_dt(early_init_dt_scan_memory, NULL); |
| } |
| |
| |
| #ifdef CONFIG_BLK_DEV_INITRD |
| void __init early_init_dt_setup_initrd_arch(u64 start, u64 end) |
| { |
| initrd_start = (unsigned long)__va(start); |
| initrd_end = (unsigned long)__va(end); |
| initrd_below_start_ok = 1; |
| } |
| #endif |
| |
| void __init early_init_dt_add_memory_arch(u64 base, u64 size) |
| { |
| c6x_add_memory(base, size); |
| } |