Adding upstream version 6.1.76.upstream/6.1.76upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 41 insertions, 0 deletions

diff --git a/arch/mips/loongson2ef/lemote-2f/machtype.c b/arch/mips/loongson2ef/lemote-2f/machtype.c
new file mode 100644
index 000000000..9462a3ab5
--- /dev/null
+++ b/arch/mips/loongson2ef/lemote-2f/machtype.c
@@ -0,0 +1,41 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C) 2009 Lemote Inc.
+ * Author: Wu Zhangjin, wuzhangjin@gmail.com
+ */
+#include <asm/bootinfo.h>
+
+#include <loongson.h>
+
+void __init mach_prom_init_machtype(void)
+{
+	/* We share the same kernel image file among Lemote 2F family
+	 * of machines, and provide the machtype= kernel command line
+	 * to users to indicate their machine, this command line will
+	 * be passed by the latest PMON automatically. and fortunately,
+	 * up to now, we can get the machine type from the PMON_VER=
+	 * commandline directly except the NAS machine, In the old
+	 * machines, this will help the users a lot.
+	 *
+	 * If no "machtype=" passed, get machine type from "PMON_VER=".
+	 *	PMON_VER=LM8089		Lemote 8.9'' netbook
+	 *		 LM8101		Lemote 10.1'' netbook
+	 *	(The above two netbooks have the same kernel support)
+	 *		 LM6XXX		Lemote FuLoong(2F) box series
+	 *		 LM9XXX		Lemote LynLoong PC series
+	 */
+	if (strstr(arcs_cmdline, "PMON_VER=LM")) {
+		if (strstr(arcs_cmdline, "PMON_VER=LM8"))
+			mips_machtype = MACH_LEMOTE_YL2F89;
+		else if (strstr(arcs_cmdline, "PMON_VER=LM6"))
+			mips_machtype = MACH_LEMOTE_FL2F;
+		else if (strstr(arcs_cmdline, "PMON_VER=LM9"))
+			mips_machtype = MACH_LEMOTE_LL2F;
+		else
+			mips_machtype = MACH_LEMOTE_NAS;
+
+		strcat(arcs_cmdline, " machtype=");
+		strcat(arcs_cmdline, get_system_type());
+		strcat(arcs_cmdline, " ");
+	}
+}