1f2ffa5abSDezhong Diao /* 2f2ffa5abSDezhong Diao * MIPS support for CONFIG_OF device tree support 3f2ffa5abSDezhong Diao * 4f2ffa5abSDezhong Diao * Copyright (C) 2010 Cisco Systems Inc. <dediao@cisco.com> 5f2ffa5abSDezhong Diao * 6f2ffa5abSDezhong Diao * This program is free software; you can redistribute it and/or modify 7f2ffa5abSDezhong Diao * it under the terms of the GNU General Public License version 2 as 8f2ffa5abSDezhong Diao * published by the Free Software Foundation. 9f2ffa5abSDezhong Diao */ 10f2ffa5abSDezhong Diao 11f2ffa5abSDezhong Diao #include <linux/init.h> 1273bc256dSPaul Gortmaker #include <linux/export.h> 13f2ffa5abSDezhong Diao #include <linux/errno.h> 14f2ffa5abSDezhong Diao #include <linux/types.h> 15f2ffa5abSDezhong Diao #include <linux/bootmem.h> 16f2ffa5abSDezhong Diao #include <linux/debugfs.h> 17f2ffa5abSDezhong Diao #include <linux/of.h> 18f2ffa5abSDezhong Diao #include <linux/of_fdt.h> 19f2ffa5abSDezhong Diao 20f2ffa5abSDezhong Diao #include <asm/page.h> 21f2ffa5abSDezhong Diao #include <asm/prom.h> 22f2ffa5abSDezhong Diao 239169a5d0SJohn Crispin static char mips_machine_name[64] = "Unknown"; 249169a5d0SJohn Crispin 259169a5d0SJohn Crispin __init void mips_set_machine_name(const char *name) 269169a5d0SJohn Crispin { 279169a5d0SJohn Crispin if (name == NULL) 289169a5d0SJohn Crispin return; 299169a5d0SJohn Crispin 3041c8366bSChen Gang strlcpy(mips_machine_name, name, sizeof(mips_machine_name)); 319169a5d0SJohn Crispin pr_info("MIPS: machine is %s\n", mips_get_machine_name()); 329169a5d0SJohn Crispin } 339169a5d0SJohn Crispin 349169a5d0SJohn Crispin char *mips_get_machine_name(void) 359169a5d0SJohn Crispin { 369169a5d0SJohn Crispin return mips_machine_name; 379169a5d0SJohn Crispin } 389169a5d0SJohn Crispin 399169a5d0SJohn Crispin #ifdef CONFIG_OF 40f2ffa5abSDezhong Diao void __init early_init_dt_add_memory_arch(u64 base, u64 size) 41f2ffa5abSDezhong Diao { 42f2ffa5abSDezhong Diao return add_memory_region(base, size, BOOT_MEM_RAM); 43f2ffa5abSDezhong Diao } 44f2ffa5abSDezhong Diao 45672c5446SGrant Likely void * __init early_init_dt_alloc_memory_arch(u64 size, u64 align) 46f2ffa5abSDezhong Diao { 47672c5446SGrant Likely return __alloc_bootmem(size, align, __pa(MAX_DMA_ADDRESS)); 48f2ffa5abSDezhong Diao } 49f2ffa5abSDezhong Diao 50f75813c0SRob Herring void __init __dt_setup_arch(struct boot_param_header *bph) 51f2ffa5abSDezhong Diao { 52f75813c0SRob Herring if (!early_init_dt_scan(bph)) 53f75813c0SRob Herring return; 549169a5d0SJohn Crispin 5597e7f455SRob Herring mips_set_machine_name(of_flat_dt_get_machine_name()); 56f2ffa5abSDezhong Diao } 579169a5d0SJohn Crispin #endif 58