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path: root/target/linux/ar71xx/patches-2.6.30/400-mips-multi-machine-update.patch
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Diffstat (limited to 'target/linux/ar71xx/patches-2.6.30/400-mips-multi-machine-update.patch')
-rw-r--r--target/linux/ar71xx/patches-2.6.30/400-mips-multi-machine-update.patch127
1 files changed, 127 insertions, 0 deletions
diff --git a/target/linux/ar71xx/patches-2.6.30/400-mips-multi-machine-update.patch b/target/linux/ar71xx/patches-2.6.30/400-mips-multi-machine-update.patch
new file mode 100644
index 0000000000..62903c8660
--- /dev/null
+++ b/target/linux/ar71xx/patches-2.6.30/400-mips-multi-machine-update.patch
@@ -0,0 +1,127 @@
+--- 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 +56,64 @@ 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 (strncmp(mach->mach_id, mips_machid,
++ strlen(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_name);
++ }
++
++ return 0;
++}
++
++core_initcall(mips_machtype_init);
+--- a/include/asm-mips/mips_machine.h
++++ b/include/asm-mips/mips_machine.h
+@@ -13,24 +13,32 @@
+ #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; \
+-static struct mips_machine machine_##_type __initdata = \
++#define MIPS_MACHINE(_type, _id, _name, _setup) \
++static char machine_name_##_type[] __initconst \
++ __aligned(1) = _name; \
++static char machine_id_##_type[] __initconst \
++ __aligned(1) = _id; \
++static struct mips_machine machine_##_type __initconst = \
+ { \
+ .mach_type = _type, \
++ .mach_id = machine_id_##_type, \
+ .mach_name = machine_name_##_type, \
+ .mach_setup = _setup, \
+ }; \