generic: merge mips multi machine update to generic patches for 2.6.34

SVN-Revision: 21675
This commit is contained in:
Gabor Juhos 2010-06-04 19:09:52 +00:00
parent 35765bfcf8
commit 2dfcdb9465
5 changed files with 347 additions and 342 deletions

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@ -0,0 +1,231 @@
--- a/arch/mips/include/asm/mips_machine.h
+++ b/arch/mips/include/asm/mips_machine.h
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (C) 2008-2009 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
@@ -13,42 +13,35 @@
#include <linux/init.h>
#include <linux/list.h>
-#include <asm/bootinfo.h>
-
struct mips_machine {
unsigned long mach_type;
- const char *mach_id;
- const char *mach_name;
void (*mach_setup)(void);
+ char *mach_name;
+ struct list_head list;
};
-#define MIPS_MACHINE(_type, _id, _name, _setup) \
-static const char machine_name_##_type[] __initconst \
- __aligned(1) = _name; \
-static const char machine_id_##_type[] __initconst \
- __aligned(1) = _id; \
-static struct mips_machine machine_##_type \
- __used __section(.mips.machines.init) = \
+void mips_machine_register(struct mips_machine *) __init;
+void mips_machine_setup(unsigned long machtype) __init;
+void mips_machine_set_name(char *name) __init;
+
+extern char *mips_machine_name;
+
+#define MIPS_MACHINE(_type, _name, _setup) \
+static char machine_name_##_type[] __initdata = _name; \
+static struct mips_machine machine_##_type __initdata = \
{ \
.mach_type = _type, \
- .mach_id = machine_id_##_type, \
.mach_name = machine_name_##_type, \
.mach_setup = _setup, \
-};
-
-extern long __mips_machines_start;
-extern long __mips_machines_end;
-
-#ifdef CONFIG_MIPS_MACHINE
-int mips_machtype_setup(char *id) __init;
-void mips_machine_setup(void) __init;
-void mips_set_machine_name(const char *name) __init;
-char *mips_get_machine_name(void);
-#else
-static inline int mips_machtype_setup(char *id) { return 1; }
-static inline void mips_machine_setup(void) { }
-static inline void mips_set_machine_name(const char *name) { }
-static inline char *mips_get_machine_name(void) { return NULL; }
-#endif /* CONFIG_MIPS_MACHINE */
+}; \
+ \
+static int __init register_machine_##_type(void) \
+{ \
+ mips_machine_register(&machine_##_type); \
+ return 0; \
+} \
+ \
+pure_initcall(register_machine_##_type)
#endif /* __ASM_MIPS_MACHINE_H */
+
--- a/arch/mips/kernel/mips_machine.c
+++ b/arch/mips/kernel/mips_machine.c
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (C) 2008-2009 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
@@ -7,77 +7,68 @@
*
*/
#include <linux/mm.h>
-#include <linux/string.h>
-#include <linux/slab.h>
#include <asm/mips_machine.h>
+#include <asm/bootinfo.h>
-static struct mips_machine *mips_machine __initdata;
-static char *mips_machine_name = "Unknown";
+static struct list_head mips_machines __initdata =
+ LIST_HEAD_INIT(mips_machines);
-#define for_each_machine(mach) \
- for ((mach) = (struct mips_machine *)&__mips_machines_start; \
- (mach) && \
- (unsigned long)(mach) < (unsigned long)&__mips_machines_end; \
- (mach)++)
+char *mips_machine_name = "Unknown";
-__init void mips_set_machine_name(const char *name)
+static struct mips_machine * __init mips_machine_find(unsigned long machtype)
{
- char *p;
+ struct list_head *this;
- if (name == NULL)
- return;
+ list_for_each(this, &mips_machines) {
+ struct mips_machine *mach;
- p = kstrdup(name, GFP_KERNEL);
- if (!p)
- pr_err("MIPS: no memory for machine_name\n");
+ mach = list_entry(this, struct mips_machine, list);
+ if (mach->mach_type == machtype)
+ return mach;
+ }
- mips_machine_name = p;
+ return NULL;
}
-char *mips_get_machine_name(void)
+void __init mips_machine_register(struct mips_machine *mach)
{
- return mips_machine_name;
+ list_add_tail(&mach->list, &mips_machines);
}
-__init int mips_machtype_setup(char *id)
+void __init mips_machine_set_name(char *name)
{
- struct mips_machine *mach;
+ unsigned int len;
+ char *p;
- for_each_machine(mach) {
- if (mach->mach_id == NULL)
- continue;
-
- if (strcmp(mach->mach_id, id) == 0) {
- mips_machine = mach;
- break;
- }
- }
+ if (name == NULL)
+ return;
- if (!mips_machine) {
- pr_err("MIPS: no machine found for id '%s', supported machines:\n",
- id);
- pr_err("%32s %s\n", "id", "name");
- for_each_machine(mach)
- pr_err("%32s %s\n", mach->mach_id, mach->mach_name);
- return 1;
+ len = strlen(name);
+ p = kmalloc(len + 1, GFP_KERNEL);
+ if (p) {
+ strncpy(p, name, len);
+ p[len] = '\0';
+ mips_machine_name = p;
+ } else {
+ printk(KERN_WARNING "MIPS: no memory for machine_name\n");
}
-
- mips_machtype = mips_machine->mach_type;
-
- return 0;
}
-__setup("machtype=", mips_machtype_setup);
-
-__init void mips_machine_setup(void)
+void __init mips_machine_setup(unsigned long machtype)
{
- if (!mips_machine)
+ struct mips_machine *mach;
+
+ mach = mips_machine_find(machtype);
+ if (!mach) {
+ printk(KERN_ALERT "MIPS: no machine registered for "
+ "machtype %lu\n", machtype);
return;
+ }
- mips_set_machine_name(mips_machine->mach_name);
- pr_info("MIPS: machine is %s\n", mips_machine_name);
+ mips_machine_set_name(mach->mach_name);
+ printk(KERN_INFO "MIPS: machine is %s\n", mips_machine_name);
- if (mips_machine->mach_setup)
- mips_machine->mach_setup();
+ if (mach->mach_setup)
+ mach->mach_setup();
}
--- a/arch/mips/kernel/proc.c
+++ b/arch/mips/kernel/proc.c
@@ -34,9 +34,9 @@ static int show_cpuinfo(struct seq_file
*/
if (n == 0) {
seq_printf(m, "system type\t\t: %s\n", get_system_type());
- if (mips_get_machine_name())
- seq_printf(m, "machine\t\t\t: %s\n",
- mips_get_machine_name());
+#ifdef CONFIG_MIPS_MACHINE
+ seq_printf(m, "machine\t\t\t: %s\n", mips_machine_name);
+#endif
}
seq_printf(m, "processor\t\t: %ld\n", n);
--- a/arch/mips/kernel/vmlinux.lds.S
+++ b/arch/mips/kernel/vmlinux.lds.S
@@ -98,13 +98,6 @@ SECTIONS
INIT_TEXT_SECTION(PAGE_SIZE)
INIT_DATA_SECTION(16)
- . = ALIGN(4);
- .mips.machines.init : AT(ADDR(.mips.machines.init) - LOAD_OFFSET) {
- __mips_machines_start = .;
- *(.mips.machines.init)
- __mips_machines_end = .;
- }
-
/* .exit.text is discarded at runtime, not link time, to deal with
* references from .rodata
*/

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@ -0,0 +1,11 @@
--- a/arch/mips/kernel/mips_machine.c
+++ b/arch/mips/kernel/mips_machine.c
@@ -6,7 +6,7 @@
* by the Free Software Foundation.
*
*/
-#include <linux/mm.h>
+#include <linux/slab.h>
#include <asm/mips_machine.h>
#include <asm/bootinfo.h>

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@ -1,134 +0,0 @@
--- a/arch/mips/kernel/mips_machine.c
+++ b/arch/mips/kernel/mips_machine.c
@@ -7,12 +7,13 @@
*
*/
#include <linux/mm.h>
+#include <linux/string.h>
#include <asm/mips_machine.h>
-#include <asm/bootinfo.h>
static struct list_head mips_machines __initdata =
LIST_HEAD_INIT(mips_machines);
+static char *mips_machid __initdata;
char *mips_machine_name = "Unknown";
@@ -55,20 +56,65 @@ void __init mips_machine_set_name(char *
}
}
-void __init mips_machine_setup(unsigned long machtype)
+void __init mips_machine_setup(void)
{
struct mips_machine *mach;
- mach = mips_machine_find(machtype);
+ mach = mips_machine_find(mips_machtype);
if (!mach) {
- printk(KERN_ALERT "MIPS: no machine registered for "
- "machtype %lu\n", machtype);
+ printk(KERN_WARNING "MIPS: no machine registered for "
+ "machtype %lu\n", mips_machtype);
return;
}
mips_machine_set_name(mach->mach_name);
- printk(KERN_INFO "MIPS: machine is %s\n", mips_machine_name);
+ printk(KERN_NOTICE "MIPS: machine is %s\n", mips_machine_name);
if (mach->mach_setup)
mach->mach_setup();
}
+
+int __init mips_machtype_setup(char *id)
+{
+ if (mips_machid == NULL)
+ mips_machid = id;
+
+ return 1;
+}
+
+__setup("machtype=", mips_machtype_setup);
+
+static int __init mips_machtype_init(void)
+{
+ struct list_head *this;
+ struct mips_machine *mach;
+
+ if (mips_machid == NULL)
+ return 0;
+
+ list_for_each(this, &mips_machines) {
+ mach = list_entry(this, struct mips_machine, list);
+ if (mach->mach_id == NULL)
+ continue;
+
+ if (strcmp(mach->mach_id, mips_machid) == 0) {
+ mips_machtype = mach->mach_type;
+ return 0;
+ }
+ }
+
+ printk(KERN_WARNING
+ "MIPS: no machine found for id: '%s', registered machines:\n",
+ mips_machid);
+ printk(KERN_WARNING "%32s %s\n", "id", "name");
+
+ list_for_each(this, &mips_machines) {
+ mach = list_entry(this, struct mips_machine, list);
+ printk(KERN_WARNING "%32s %s\n",
+ mach->mach_id ? mach->mach_id : "", mach->mach_name);
+ }
+
+ return 0;
+}
+
+core_initcall(mips_machtype_init);
--- a/arch/mips/include/asm/mips_machine.h
+++ b/arch/mips/include/asm/mips_machine.h
@@ -13,25 +13,33 @@
#include <linux/init.h>
#include <linux/list.h>
+#include <asm/bootinfo.h>
+
struct mips_machine {
unsigned long mach_type;
- void (*mach_setup)(void);
+ char *mach_id;
char *mach_name;
+ void (*mach_setup)(void);
struct list_head list;
};
void mips_machine_register(struct mips_machine *) __init;
-void mips_machine_setup(unsigned long machtype) __init;
+void mips_machine_setup(void) __init;
+int mips_machtype_setup(char *id) __init;
void mips_machine_set_name(char *name) __init;
extern char *mips_machine_name;
-#define MIPS_MACHINE(_type, _name, _setup) \
-static char machine_name_##_type[] __initdata = _name; \
+#define MIPS_MACHINE(_type, _id, _name, _setup) \
+static const char machine_name_##_type[] __initconst \
+ __aligned(1) = _name; \
+static const char machine_id_##_type[] __initconst \
+ __aligned(1) = _id; \
static struct mips_machine machine_##_type __initdata = \
{ \
.mach_type = _type, \
- .mach_name = machine_name_##_type, \
+ .mach_id = (char *) machine_id_##_type, \
+ .mach_name = (char *) machine_name_##_type, \
.mach_setup = _setup, \
}; \
\
@@ -44,4 +52,3 @@ static int __init register_machine_##_ty
pure_initcall(register_machine_##_type)
#endif /* __ASM_MIPS_MACHINE_H */
-

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@ -1,8 +1,8 @@
--- /dev/null
+++ b/arch/mips/include/asm/mips_machine.h
@@ -0,0 +1,47 @@
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (C) 2008-2010 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
@ -16,43 +16,50 @@
+#include <linux/init.h>
+#include <linux/list.h>
+
+#include <asm/bootinfo.h>
+
+struct mips_machine {
+ unsigned long mach_type;
+ const char *mach_id;
+ const char *mach_name;
+ void (*mach_setup)(void);
+ char *mach_name;
+ struct list_head list;
+};
+
+void mips_machine_register(struct mips_machine *) __init;
+void mips_machine_setup(unsigned long machtype) __init;
+void mips_machine_set_name(char *name) __init;
+
+extern char *mips_machine_name;
+
+#define MIPS_MACHINE(_type, _name, _setup) \
+static char machine_name_##_type[] __initdata = _name; \
+static struct mips_machine machine_##_type __initdata = \
+#define MIPS_MACHINE(_type, _id, _name, _setup) \
+static const char machine_name_##_type[] __initconst \
+ __aligned(1) = _name; \
+static const char machine_id_##_type[] __initconst \
+ __aligned(1) = _id; \
+static struct mips_machine machine_##_type \
+ __used __section(.mips.machines.init) = \
+{ \
+ .mach_type = _type, \
+ .mach_id = machine_id_##_type, \
+ .mach_name = machine_name_##_type, \
+ .mach_setup = _setup, \
+}; \
+ \
+static int __init register_machine_##_type(void) \
+{ \
+ mips_machine_register(&machine_##_type); \
+ return 0; \
+} \
+ \
+pure_initcall(register_machine_##_type)
+};
+
+extern long __mips_machines_start;
+extern long __mips_machines_end;
+
+#ifdef CONFIG_MIPS_MACHINE
+int mips_machtype_setup(char *id) __init;
+void mips_machine_setup(void) __init;
+void mips_set_machine_name(const char *name) __init;
+char *mips_get_machine_name(void);
+#else
+static inline int mips_machtype_setup(char *id) { return 1; }
+static inline void mips_machine_setup(void) { }
+static inline void mips_set_machine_name(const char *name) { }
+static inline char *mips_get_machine_name(void) { return NULL; }
+#endif /* CONFIG_MIPS_MACHINE */
+
+#endif /* __ASM_MIPS_MACHINE_H */
+
--- /dev/null
+++ b/arch/mips/kernel/mips_machine.c
@@ -0,0 +1,74 @@
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (C) 2008-2010 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
@ -60,70 +67,79 @@
+ *
+ */
+#include <linux/mm.h>
+#include <linux/string.h>
+#include <linux/slab.h>
+
+#include <asm/mips_machine.h>
+#include <asm/bootinfo.h>
+
+static struct list_head mips_machines __initdata =
+ LIST_HEAD_INIT(mips_machines);
+static struct mips_machine *mips_machine __initdata;
+static char *mips_machine_name = "Unknown";
+
+char *mips_machine_name = "Unknown";
+#define for_each_machine(mach) \
+ for ((mach) = (struct mips_machine *)&__mips_machines_start; \
+ (mach) && \
+ (unsigned long)(mach) < (unsigned long)&__mips_machines_end; \
+ (mach)++)
+
+static struct mips_machine * __init mips_machine_find(unsigned long machtype)
+__init void mips_set_machine_name(const char *name)
+{
+ 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_set_name(char *name)
+{
+ unsigned int len;
+ char *p;
+
+ if (name == NULL)
+ return;
+
+ len = strlen(name);
+ p = kmalloc(len + 1, GFP_KERNEL);
+ if (p) {
+ strncpy(p, name, len);
+ p[len] = '\0';
+ mips_machine_name = p;
+ } else {
+ printk(KERN_WARNING "MIPS: no memory for machine_name\n");
+ }
+ p = kstrdup(name, GFP_KERNEL);
+ if (!p)
+ pr_err("MIPS: no memory for machine_name\n");
+
+ mips_machine_name = p;
+}
+
+void __init mips_machine_setup(unsigned long machtype)
+char *mips_get_machine_name(void)
+{
+ return mips_machine_name;
+}
+
+__init int mips_machtype_setup(char *id)
+{
+ struct mips_machine *mach;
+
+ mach = mips_machine_find(machtype);
+ if (!mach) {
+ printk(KERN_ALERT "MIPS: no machine registered for "
+ "machtype %lu\n", machtype);
+ return;
+ for_each_machine(mach) {
+ if (mach->mach_id == NULL)
+ continue;
+
+ if (strcmp(mach->mach_id, id) == 0) {
+ mips_machine = mach;
+ break;
+ }
+ }
+
+ mips_machine_set_name(mach->mach_name);
+ printk(KERN_INFO "MIPS: machine is %s\n", mips_machine_name);
+ if (!mips_machine) {
+ pr_err("MIPS: no machine found for id '%s', supported machines:\n",
+ id);
+ pr_err("%32s %s\n", "id", "name");
+ for_each_machine(mach)
+ pr_err("%32s %s\n", mach->mach_id, mach->mach_name);
+ return 1;
+ }
+
+ if (mach->mach_setup)
+ mach->mach_setup();
+ mips_machtype = mips_machine->mach_type;
+
+ return 0;
+}
+
+__setup("machtype=", mips_machtype_setup);
+
+__init void mips_machine_setup(void)
+{
+ if (!mips_machine)
+ return;
+
+ mips_set_machine_name(mips_machine->mach_name);
+ pr_info("MIPS: machine is %s\n", mips_machine_name);
+
+ if (mips_machine->mach_setup)
+ mips_machine->mach_setup();
+}
--- a/arch/mips/kernel/Makefile
+++ b/arch/mips/kernel/Makefile
@ -164,10 +180,26 @@
- if (n == 0)
+ if (n == 0) {
seq_printf(m, "system type\t\t: %s\n", get_system_type());
+#ifdef CONFIG_MIPS_MACHINE
+ seq_printf(m, "machine\t\t\t: %s\n", mips_machine_name);
+#endif
+ if (mips_get_machine_name())
+ seq_printf(m, "machine\t\t\t: %s\n",
+ mips_get_machine_name());
+ }
seq_printf(m, "processor\t\t: %ld\n", n);
sprintf(fmt, "cpu model\t\t: %%s V%%d.%%d%s\n",
--- a/arch/mips/kernel/vmlinux.lds.S
+++ b/arch/mips/kernel/vmlinux.lds.S
@@ -98,6 +98,13 @@ SECTIONS
INIT_TEXT_SECTION(PAGE_SIZE)
INIT_DATA_SECTION(16)
+ . = ALIGN(4);
+ .mips.machines.init : AT(ADDR(.mips.machines.init) - LOAD_OFFSET) {
+ __mips_machines_start = .;
+ *(.mips.machines.init)
+ __mips_machines_end = .;
+ }
+
/* .exit.text is discarded at runtime, not link time, to deal with
* references from .rodata
*/

View File

@ -1,135 +0,0 @@
--- a/arch/mips/kernel/mips_machine.c
+++ b/arch/mips/kernel/mips_machine.c
@@ -7,12 +7,14 @@
*
*/
#include <linux/mm.h>
+#include <linux/string.h>
+#include <linux/slab.h>
#include <asm/mips_machine.h>
-#include <asm/bootinfo.h>
static struct list_head mips_machines __initdata =
LIST_HEAD_INIT(mips_machines);
+static char *mips_machid __initdata;
char *mips_machine_name = "Unknown";
@@ -55,20 +57,65 @@ void __init mips_machine_set_name(char *
}
}
-void __init mips_machine_setup(unsigned long machtype)
+void __init mips_machine_setup(void)
{
struct mips_machine *mach;
- mach = mips_machine_find(machtype);
+ mach = mips_machine_find(mips_machtype);
if (!mach) {
- printk(KERN_ALERT "MIPS: no machine registered for "
- "machtype %lu\n", machtype);
+ printk(KERN_WARNING "MIPS: no machine registered for "
+ "machtype %lu\n", mips_machtype);
return;
}
mips_machine_set_name(mach->mach_name);
- printk(KERN_INFO "MIPS: machine is %s\n", mips_machine_name);
+ printk(KERN_NOTICE "MIPS: machine is %s\n", mips_machine_name);
if (mach->mach_setup)
mach->mach_setup();
}
+
+int __init mips_machtype_setup(char *id)
+{
+ if (mips_machid == NULL)
+ mips_machid = id;
+
+ return 1;
+}
+
+__setup("machtype=", mips_machtype_setup);
+
+static int __init mips_machtype_init(void)
+{
+ struct list_head *this;
+ struct mips_machine *mach;
+
+ if (mips_machid == NULL)
+ return 0;
+
+ list_for_each(this, &mips_machines) {
+ mach = list_entry(this, struct mips_machine, list);
+ if (mach->mach_id == NULL)
+ continue;
+
+ if (strcmp(mach->mach_id, mips_machid) == 0) {
+ mips_machtype = mach->mach_type;
+ return 0;
+ }
+ }
+
+ printk(KERN_WARNING
+ "MIPS: no machine found for id: '%s', registered machines:\n",
+ mips_machid);
+ printk(KERN_WARNING "%32s %s\n", "id", "name");
+
+ list_for_each(this, &mips_machines) {
+ mach = list_entry(this, struct mips_machine, list);
+ printk(KERN_WARNING "%32s %s\n",
+ mach->mach_id ? mach->mach_id : "", mach->mach_name);
+ }
+
+ return 0;
+}
+
+core_initcall(mips_machtype_init);
--- a/arch/mips/include/asm/mips_machine.h
+++ b/arch/mips/include/asm/mips_machine.h
@@ -13,25 +13,33 @@
#include <linux/init.h>
#include <linux/list.h>
+#include <asm/bootinfo.h>
+
struct mips_machine {
unsigned long mach_type;
- void (*mach_setup)(void);
+ char *mach_id;
char *mach_name;
+ void (*mach_setup)(void);
struct list_head list;
};
void mips_machine_register(struct mips_machine *) __init;
-void mips_machine_setup(unsigned long machtype) __init;
+void mips_machine_setup(void) __init;
+int mips_machtype_setup(char *id) __init;
void mips_machine_set_name(char *name) __init;
extern char *mips_machine_name;
-#define MIPS_MACHINE(_type, _name, _setup) \
-static char machine_name_##_type[] __initdata = _name; \
+#define MIPS_MACHINE(_type, _id, _name, _setup) \
+static const char machine_name_##_type[] __initconst \
+ __aligned(1) = _name; \
+static const char machine_id_##_type[] __initconst \
+ __aligned(1) = _id; \
static struct mips_machine machine_##_type __initdata = \
{ \
.mach_type = _type, \
- .mach_name = machine_name_##_type, \
+ .mach_id = (char *) machine_id_##_type, \
+ .mach_name = (char *) machine_name_##_type, \
.mach_setup = _setup, \
}; \
\
@@ -44,4 +52,3 @@ static int __init register_machine_##_ty
pure_initcall(register_machine_##_type)
#endif /* __ASM_MIPS_MACHINE_H */
-