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-rw-r--r--Documentation/kernel-parameters.txt4
-rw-r--r--arch/mips/include/asm/bootinfo.h12
-rw-r--r--arch/mips/include/asm/mach-loongson/machine.h2
-rw-r--r--arch/mips/loongson/common/Makefile2
-rw-r--r--arch/mips/loongson/common/machtype.c35
-rw-r--r--arch/mips/loongson/fuloong-2e/Makefile2
6 files changed, 53 insertions, 4 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 4c12a290bee..f45d0d8e71d 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1286,6 +1286,10 @@ and is between 256 and 4096 characters. It is defined in the file
(machvec) in a generic kernel.
Example: machvec=hpzx1_swiotlb
+ machtype= [Loongson] Share the same kernel image file between different
+ yeeloong laptop.
+ Example: machtype=lemote-yeeloong-2f-7inch
+
max_addr=nn[KMG] [KNL,BOOT,ia64] All physical memory greater
than or equal to this physical address is ignored.
diff --git a/arch/mips/include/asm/bootinfo.h b/arch/mips/include/asm/bootinfo.h
index 610fe3af7a0..f5dfaf6a160 100644
--- a/arch/mips/include/asm/bootinfo.h
+++ b/arch/mips/include/asm/bootinfo.h
@@ -7,6 +7,7 @@
* Copyright (C) 1995, 1996 Andreas Busse
* Copyright (C) 1995, 1996 Stoned Elipot
* Copyright (C) 1995, 1996 Paul M. Antoine.
+ * Copyright (C) 2009 Zhang Le
*/
#ifndef _ASM_BOOTINFO_H
#define _ASM_BOOTINFO_H
@@ -57,6 +58,17 @@
#define MACH_MIKROTIK_RB532 0 /* Mikrotik RouterBoard 532 */
#define MACH_MIKROTIK_RB532A 1 /* Mikrotik RouterBoard 532A */
+/*
+ * Valid machtype for Loongson family
+ */
+#define MACH_LOONGSON_UNKNOWN 0
+#define MACH_LEMOTE_FL2E 1
+#define MACH_LEMOTE_FL2F 2
+#define MACH_LEMOTE_ML2F7 3
+#define MACH_LEMOTE_YL2F89 4
+#define MACH_DEXXON_GDIUM2F10 5
+#define MACH_LOONGSON_END 6
+
#define CL_SIZE COMMAND_LINE_SIZE
extern char *system_type;
diff --git a/arch/mips/include/asm/mach-loongson/machine.h b/arch/mips/include/asm/mach-loongson/machine.h
index 8e60d363594..206ea206791 100644
--- a/arch/mips/include/asm/mach-loongson/machine.h
+++ b/arch/mips/include/asm/mach-loongson/machine.h
@@ -15,7 +15,7 @@
#define LOONGSON_UART_BASE (BONITO_PCIIO_BASE + 0x3f8)
-#define LOONGSON_MACHNAME "lemote-fuloong-2e-box"
+#define LOONGSON_MACHTYPE MACH_LEMOTE_FL2E
#endif
diff --git a/arch/mips/loongson/common/Makefile b/arch/mips/loongson/common/Makefile
index 4e3889dec39..656b3cc0a2a 100644
--- a/arch/mips/loongson/common/Makefile
+++ b/arch/mips/loongson/common/Makefile
@@ -3,7 +3,7 @@
#
obj-y += setup.o init.o cmdline.o env.o time.o reset.o irq.o \
- pci.o bonito-irq.o mem.o
+ pci.o bonito-irq.o mem.o machtype.o
#
# Early printk support
diff --git a/arch/mips/loongson/common/machtype.c b/arch/mips/loongson/common/machtype.c
index 845b3fb47e0..7b348248de7 100644
--- a/arch/mips/loongson/common/machtype.c
+++ b/arch/mips/loongson/common/machtype.c
@@ -2,16 +2,49 @@
* Copyright (C) 2009 Lemote Inc. & Insititute of Computing Technology
* Author: Wu Zhangjin, wuzj@lemote.com
*
+ * Copyright (c) 2009 Zhang Le <r0bertz@gentoo.org>
+ *
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*/
+#include <linux/errno.h>
+#include <asm/bootinfo.h>
+#include <loongson.h>
#include <machine.h>
+static const char *system_types[] = {
+ [MACH_LOONGSON_UNKNOWN] "unknown loongson machine",
+ [MACH_LEMOTE_FL2E] "lemote-fuloong-2e-box",
+ [MACH_LEMOTE_FL2F] "lemote-fuloong-2f-box",
+ [MACH_LEMOTE_ML2F7] "lemote-mengloong-2f-7inches",
+ [MACH_LEMOTE_YL2F89] "lemote-yeeloong-2f-8.9inches",
+ [MACH_DEXXON_GDIUM2F10] "dexxon-gidum-2f-10inches",
+ [MACH_LOONGSON_END] NULL,
+};
+
const char *get_system_type(void)
{
- return LOONGSON_MACHNAME;
+ if (mips_machtype == MACH_UNKNOWN)
+ mips_machtype = LOONGSON_MACHTYPE;
+
+ return system_types[mips_machtype];
}
+static __init int machtype_setup(char *str)
+{
+ int machtype = MACH_LEMOTE_FL2E;
+
+ if (!str)
+ return -EINVAL;
+
+ for (; system_types[machtype]; machtype++)
+ if (strstr(system_types[machtype], str)) {
+ mips_machtype = machtype;
+ break;
+ }
+ return 0;
+}
+__setup("machtype=", machtype_setup);
diff --git a/arch/mips/loongson/fuloong-2e/Makefile b/arch/mips/loongson/fuloong-2e/Makefile
index 96e45c13c85..3aba5fcc09d 100644
--- a/arch/mips/loongson/fuloong-2e/Makefile
+++ b/arch/mips/loongson/fuloong-2e/Makefile
@@ -2,6 +2,6 @@
# Makefile for Lemote Fuloong2e mini-PC board.
#
-obj-y += irq.o reset.o machtype.o
+obj-y += irq.o reset.o
EXTRA_CFLAGS += -Werror