arch/sh/include/asm/bugs.h

   1 #ifndef __ASM_SH_BUGS_H
   2 #define __ASM_SH_BUGS_H
   3
   4 /*
   5  * This is included by init/main.c to check for architecture-dependent bugs.
   6  *
   7  * Needs:
   8  *      void check_bugs(void);
   9  */
  10
  11 /*
  12  * I don't know of any Super-H bugs yet.
  13  */
  14
  15 #include <asm/processor.h>
  16
  17 static void __init check_bugs(void)
  18 {
  19         extern unsigned long loops_per_jiffy;
  20         char *p = &init_utsname()->machine[2]; /* "sh" */
  21
  22         current_cpu_data.loops_per_jiffy = loops_per_jiffy;
  23
  24         switch (current_cpu_data.family) {
  25         case CPU_FAMILY_SH2:
  26                 *p++ = '2';
  27                 break;
  28         case CPU_FAMILY_SH2A:
  29                 *p++ = '2';
  30                 *p++ = 'a';
  31                 break;
  32         case CPU_FAMILY_SH3:
  33                 *p++ = '3';
  34                 break;
  35         case CPU_FAMILY_SH4:
  36                 *p++ = '4';
  37                 break;
  38         case CPU_FAMILY_SH4A:
  39                 *p++ = '4';
  40                 *p++ = 'a';
  41                 break;
  42         case CPU_FAMILY_SH4AL_DSP:
  43                 *p++ = '4';
  44                 *p++ = 'a';
  45                 *p++ = 'l';
  46                 *p++ = '-';
  47                 *p++ = 'd';
  48                 *p++ = 's';
  49                 *p++ = 'p';
  50                 break;
  51         case CPU_FAMILY_SH5:
  52                 *p++ = '6';
  53                 *p++ = '4';
  54                 break;
  55         case CPU_FAMILY_UNKNOWN:
  56                 /*
  57                  * Specifically use CPU_FAMILY_UNKNOWN rather than
  58                  * default:, so we're able to have the compiler whine
  59                  * about unhandled enumerations.
  60                  */
  61                 break;
  62         }
  63
  64         printk("CPU: %s\n", get_cpu_subtype(&current_cpu_data));
  65
  66 #ifndef __LITTLE_ENDIAN__
  67         /* 'eb' means 'Endian Big' */
  68         *p++ = 'e';
  69         *p++ = 'b';
  70 #endif
  71         *p = '\0';
  72 }
  73 #endif /* __ASM_SH_BUGS_H */