1 /* 2 * MIPS support for CONFIG_OF device tree support 3 * 4 * Copyright (C) 2010 Cisco Systems Inc. <dediao@cisco.com> 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License version 2 as 8 * published by the Free Software Foundation. 9 */ 10 11 #include <linux/init.h> 12 #include <linux/export.h> 13 #include <linux/errno.h> 14 #include <linux/types.h> 15 #include <linux/bootmem.h> 16 #include <linux/debugfs.h> 17 #include <linux/of.h> 18 #include <linux/of_fdt.h> 19 20 #include <asm/page.h> 21 #include <asm/prom.h> 22 23 static char mips_machine_name[64] = "Unknown"; 24 25 __init void mips_set_machine_name(const char *name) 26 { 27 if (name == NULL) 28 return; 29 30 strlcpy(mips_machine_name, name, sizeof(mips_machine_name)); 31 pr_info("MIPS: machine is %s\n", mips_get_machine_name()); 32 } 33 34 char *mips_get_machine_name(void) 35 { 36 return mips_machine_name; 37 } 38 39 #ifdef CONFIG_OF 40 void __init early_init_dt_add_memory_arch(u64 base, u64 size) 41 { 42 return add_memory_region(base, size, BOOT_MEM_RAM); 43 } 44 45 void * __init early_init_dt_alloc_memory_arch(u64 size, u64 align) 46 { 47 return __alloc_bootmem(size, align, __pa(MAX_DMA_ADDRESS)); 48 } 49 50 void __init __dt_setup_arch(void *bph) 51 { 52 if (!early_init_dt_scan(bph)) 53 return; 54 55 mips_set_machine_name(of_flat_dt_get_machine_name()); 56 } 57 #endif 58