target/linux/ramips/patches-2.6.30/400-mips-multi-machine-update.patch

   1 --- a/arch/mips/kernel/mips_machine.c
   2 +++ b/arch/mips/kernel/mips_machine.c
   3 @@ -7,12 +7,13 @@
   4   *
   5   */
   6  #include <linux/mm.h>
   7 +#include <linux/string.h>
   8
   9  #include <asm/mips_machine.h>
  10 -#include <asm/bootinfo.h>
  11
  12  static struct list_head mips_machines __initdata =
  13                 LIST_HEAD_INIT(mips_machines);
  14 +static char *mips_machid __initdata;
  15
  16  char *mips_machine_name = "Unknown";
  17
  18 @@ -55,20 +56,65 @@ void __init mips_machine_set_name(char *
  19         }
  20  }
  21
  22 -void __init mips_machine_setup(unsigned long machtype)
  23 +void __init mips_machine_setup(void)
  24  {
  25         struct mips_machine *mach;
  26
  27 -       mach = mips_machine_find(machtype);
  28 +       mach = mips_machine_find(mips_machtype);
  29         if (!mach) {
  30 -               printk(KERN_ALERT "MIPS: no machine registered for "
  31 -                       "machtype %lu\n", machtype);
  32 +               printk(KERN_WARNING "MIPS: no machine registered for "
  33 +                       "machtype %lu\n", mips_machtype);
  34                 return;
  35         }
  36
  37         mips_machine_set_name(mach->mach_name);
  38 -       printk(KERN_INFO "MIPS: machine is %s\n", mips_machine_name);
  39 +       printk(KERN_NOTICE "MIPS: machine is %s\n", mips_machine_name);
  40
  41         if (mach->mach_setup)
  42                 mach->mach_setup();
  43  }
  44 +
  45 +int __init mips_machtype_setup(char *id)
  46 +{
  47 +       if (mips_machid == NULL)
  48 +               mips_machid = id;
  49 +
  50 +       return 1;
  51 +}
  52 +
  53 +__setup("machtype=", mips_machtype_setup);
  54 +
  55 +static int __init mips_machtype_init(void)
  56 +{
  57 +       struct list_head *this;
  58 +       struct mips_machine *mach;
  59 +
  60 +       if (mips_machid == NULL)
  61 +               return 0;
  62 +
  63 +       list_for_each(this, &mips_machines) {
  64 +               mach = list_entry(this, struct mips_machine, list);
  65 +               if (mach->mach_id == NULL)
  66 +                       continue;
  67 +
  68 +               if (strcmp(mach->mach_id, mips_machid) == 0) {
  69 +                       mips_machtype = mach->mach_type;
  70 +                       return 0;
  71 +               }
  72 +       }
  73 +
  74 +       printk(KERN_WARNING
  75 +              "MIPS: no machine found for id: '%s', registered machines:\n",
  76 +              mips_machid);
  77 +       printk(KERN_WARNING "%32s %s\n", "id", "name");
  78 +
  79 +       list_for_each(this, &mips_machines) {
  80 +               mach = list_entry(this, struct mips_machine, list);
  81 +               printk(KERN_WARNING "%32s %s\n",
  82 +                      mach->mach_id ? mach->mach_id : "", mach->mach_name);
  83 +       }
  84 +
  85 +       return 0;
  86 +}
  87 +
  88 +core_initcall(mips_machtype_init);
  89 --- a/arch/mips/include/asm/mips_machine.h
  90 +++ b/arch/mips/include/asm/mips_machine.h
  91 @@ -13,25 +13,33 @@
  92  #include <linux/init.h>
  93  #include <linux/list.h>
  94
  95 +#include <asm/bootinfo.h>
  96 +
  97  struct mips_machine {
  98         unsigned long           mach_type;
  99 -       void                    (*mach_setup)(void);
 100 +       char                    *mach_id;
 101         char                    *mach_name;
 102 +       void                    (*mach_setup)(void);
 103         struct list_head        list;
 104  };
 105
 106  void mips_machine_register(struct mips_machine *) __init;
 107 -void mips_machine_setup(unsigned long machtype) __init;
 108 +void mips_machine_setup(void) __init;
 109 +int  mips_machtype_setup(char *id) __init;
 110  void mips_machine_set_name(char *name) __init;
 111
 112  extern char *mips_machine_name;
 113
 114 -#define MIPS_MACHINE(_type, _name, _setup)                     \
 115 -static char machine_name_##_type[] __initdata = _name;         \
 116 +#define MIPS_MACHINE(_type, _id, _name, _setup)                \
 117 +static const char machine_name_##_type[] __initconst           \
 118 +                       __aligned(1) = _name;                   \
 119 +static const char machine_id_##_type[] __initconst             \
 120 +                       __aligned(1) = _id;                     \
 121  static struct mips_machine machine_##_type __initdata =                \
 122  {                                                              \
 123         .mach_type      = _type,                                \
 124 -       .mach_name      = machine_name_##_type,                 \
 125 +       .mach_id        = (char *) machine_id_##_type,          \
 126 +       .mach_name      = (char *) machine_name_##_type,        \
 127         .mach_setup     = _setup,                               \
 128  };                                                             \
 129                                                                 \
 130 @@ -44,4 +52,3 @@ static int __init register_machine_##_ty
 131  pure_initcall(register_machine_##_type)
 132
 133  #endif /* __ASM_MIPS_MACHINE_H */
 134 -