1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Copyright (C) 2009 Lemote Inc. 4 * Author: Wu Zhangjin, wuzhangjin@gmail.com 5 */ 6 #include <asm/bootinfo.h> 7 8 #include <loongson.h> 9 10 void __init mach_prom_init_machtype(void) 11 { 12 /* We share the same kernel image file among Lemote 2F family 13 * of machines, and provide the machtype= kernel command line 14 * to users to indicate their machine, this command line will 15 * be passed by the latest PMON automatically. and fortunately, 16 * up to now, we can get the machine type from the PMON_VER= 17 * commandline directly except the NAS machine, In the old 18 * machines, this will help the users a lot. 19 * 20 * If no "machtype=" passed, get machine type from "PMON_VER=". 21 * PMON_VER=LM8089 Lemote 8.9'' netbook 22 * LM8101 Lemote 10.1'' netbook 23 * (The above two netbooks have the same kernel support) 24 * LM6XXX Lemote FuLoong(2F) box series 25 * LM9XXX Lemote LynLoong PC series 26 */ 27 if (strstr(arcs_cmdline, "PMON_VER=LM")) { 28 if (strstr(arcs_cmdline, "PMON_VER=LM8")) 29 mips_machtype = MACH_LEMOTE_YL2F89; 30 else if (strstr(arcs_cmdline, "PMON_VER=LM6")) 31 mips_machtype = MACH_LEMOTE_FL2F; 32 else if (strstr(arcs_cmdline, "PMON_VER=LM9")) 33 mips_machtype = MACH_LEMOTE_LL2F; 34 else 35 mips_machtype = MACH_LEMOTE_NAS; 36 37 strcat(arcs_cmdline, " machtype="); 38 strcat(arcs_cmdline, get_system_type()); 39 strcat(arcs_cmdline, " "); 40 } 41 } 42