1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com>
4  */
5 
6 #include <asm/bootinfo.h>
7 
8 #include <prom.h>
9 
10 void __init plat_mem_setup(void)
11 {
12 	add_memory_region(0x0, (memsize << 20), BOOT_MEM_RAM);
13 }
14 
15 const char *get_system_type(void)
16 {
17 	unsigned int processor_id = (&current_cpu_data)->processor_id;
18 
19 	switch (processor_id & PRID_REV_MASK) {
20 	case PRID_REV_LOONGSON1B:
21 #if defined(CONFIG_LOONGSON1_LS1B)
22 		return "LOONGSON LS1B";
23 #elif defined(CONFIG_LOONGSON1_LS1C)
24 		return "LOONGSON LS1C";
25 #endif
26 	default:
27 		return "LOONGSON (unknown)";
28 	}
29 }
30