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