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authorGabor Juhos <juhosg@openwrt.org>2008-12-02 21:54:53 +0000
committerGabor Juhos <juhosg@openwrt.org>2008-12-02 21:54:53 +0000
commitfd91a97ab4db20f122db5e2f07ddbe24eb6429e5 (patch)
tree38c4d972e86799f66874403d3b081ce587b89882 /target/linux/generic-2.6/patches-2.6.27
parent449261ed2d0704e4b64f4e362ee08876f6427134 (diff)
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[kernel] make mips_machine stuff available for other MIPS targets
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13492 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/generic-2.6/patches-2.6.27')
-rw-r--r--target/linux/generic-2.6/patches-2.6.27/020-mips_multi_machine_support.patch133
1 files changed, 133 insertions, 0 deletions
diff --git a/target/linux/generic-2.6/patches-2.6.27/020-mips_multi_machine_support.patch b/target/linux/generic-2.6/patches-2.6.27/020-mips_multi_machine_support.patch
new file mode 100644
index 0000000000..59406c382c
--- /dev/null
+++ b/target/linux/generic-2.6/patches-2.6.27/020-mips_multi_machine_support.patch
@@ -0,0 +1,133 @@
+--- /dev/null
++++ b/include/asm-mips/mips_machine.h
+@@ -0,0 +1,47 @@
++/*
++ * Copyright (C) 2008 Gabor Juhos <juhosg@openwrt.org>
++ *
++ * This program is free software; you can redistribute it and/or modify it
++ * under the terms of the GNU General Public License version 2 as published
++ * by the Free Software Foundation.
++ *
++ */
++
++#ifndef __ASM_MIPS_MACHINE_H
++#define __ASM_MIPS_MACHINE_H
++
++#include <linux/init.h>
++#include <linux/list.h>
++
++#define MIPS_MACHINE_NAME_LEN 64
++
++struct mips_machine {
++ unsigned long mach_type;
++ void (*mach_setup)(void);
++ unsigned char mach_name[MIPS_MACHINE_NAME_LEN];
++ struct list_head list;
++};
++
++void mips_machine_register(struct mips_machine *) __init;
++void mips_machine_setup(unsigned long machtype) __init;
++
++extern unsigned char mips_machine_name[MIPS_MACHINE_NAME_LEN];
++
++#define MIPS_MACHINE(_type, _name, _setup) \
++static struct mips_machine machine_##_type __initdata = \
++{ \
++ .mach_type = _type, \
++ .mach_name = _name, \
++ .mach_setup = _setup, \
++}; \
++ \
++static int __init register_machine_##_type(void) \
++{ \
++ mips_machine_register(&machine_##_type); \
++ return 0; \
++} \
++ \
++pure_initcall(register_machine_##_type)
++
++#endif /* __ASM_MIPS_MACHINE_H */
++
+--- /dev/null
++++ b/arch/mips/kernel/mips_machine.c
+@@ -0,0 +1,58 @@
++/*
++ * Copyright (C) 2008 Gabor Juhos <juhosg@openwrt.org>
++ *
++ * This program is free software; you can redistribute it and/or modify it
++ * under the terms of the GNU General Public License version 2 as published
++ * by the Free Software Foundation.
++ *
++ */
++
++#include <asm/mips_machine.h>
++#include <asm/bootinfo.h>
++
++static struct list_head mips_machines __initdata =
++ LIST_HEAD_INIT(mips_machines);
++
++unsigned char mips_machine_name[MIPS_MACHINE_NAME_LEN] = "Unknown";
++
++static struct mips_machine * __init mips_machine_find(unsigned long machtype)
++{
++ struct list_head *this;
++
++ list_for_each(this, &mips_machines) {
++ struct mips_machine *mach;
++
++ mach = list_entry(this, struct mips_machine, list);
++ if (mach->mach_type == machtype)
++ return mach;
++ }
++
++ return NULL;
++}
++
++void __init mips_machine_register(struct mips_machine *mach)
++{
++ list_add_tail(&mach->list, &mips_machines);
++}
++
++void __init mips_machine_setup(unsigned long machtype)
++{
++ struct mips_machine *mach;
++
++ mach = mips_machine_find(machtype);
++ if (!mach) {
++ printk(KERN_ALERT "MIPS: no machine registered for "
++ "machtype %lu\n", machtype);
++ return;
++ }
++
++ if (mach->mach_name[0])
++ strncpy(mips_machine_name, mach->mach_name,
++ MIPS_MACHINE_NAME_LEN);
++
++ printk(KERN_INFO "MIPS: machine is %s\n", mips_machine_name);
++
++ if (mach->mach_setup)
++ mach->mach_setup();
++}
++
+--- a/arch/mips/kernel/Makefile
++++ b/arch/mips/kernel/Makefile
+@@ -83,6 +83,7 @@ obj-$(CONFIG_GPIO_TXX9) += gpio_txx9.o
+
+ obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel.o
+ obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
++obj-$(CONFIG_MIPS_MACHINE) += mips_machine.o
+
+ CFLAGS_cpu-bugs64.o = $(shell if $(CC) $(KBUILD_CFLAGS) -Wa,-mdaddi -c -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo "-DHAVE_AS_SET_DADDI"; fi)
+
+--- a/arch/mips/Kconfig
++++ b/arch/mips/Kconfig
+@@ -768,6 +768,9 @@ config MIPS_DISABLE_OBSOLETE_IDE
+ config SYNC_R4K
+ bool
+
++config MIPS_MACHINE
++ def_bool n
++
+ config NO_IOPORT
+ def_bool n
+