arch/arm/mach-ux500/include/mach/id.h

   1 /*
   2  * Copyright (C) ST-Ericsson SA 2010
   3  *
   4  * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
   5  * License terms: GNU General Public License (GPL) version 2
   6  */
   7
   8 #ifndef __MACH_UX500_ID
   9 #define __MACH_UX500_ID
  10
  11 /**
  12  * struct dbx500_asic_id - fields of the ASIC ID
  13  * @process: the manufacturing process, 0x40 is 40 nm 0x00 is "standard"
  14  * @partnumber: hithereto 0x8500 for DB8500
  15  * @revision: version code in the series
  16  */
  17 struct dbx500_asic_id {
  18         u16     partnumber;
  19         u8      revision;
  20         u8      process;
  21 };
  22
  23 extern struct dbx500_asic_id dbx500_id;
  24
  25 static inline unsigned int __attribute_const__ dbx500_partnumber(void)
  26 {
  27         return dbx500_id.partnumber;
  28 }
  29
  30 static inline unsigned int __attribute_const__ dbx500_revision(void)
  31 {
  32         return dbx500_id.revision;
  33 }
  34
  35 /*
  36  * SOCs
  37  */
  38
  39 static inline bool __attribute_const__ cpu_is_u8500(void)
  40 {
  41         return dbx500_partnumber() == 0x8500;
  42 }
  43
  44 static inline bool __attribute_const__ cpu_is_u5500(void)
  45 {
  46         return dbx500_partnumber() == 0x5500;
  47 }
  48
  49 /*
  50  * 8500 revisions
  51  */
  52
  53 static inline bool __attribute_const__ cpu_is_u8500ed(void)
  54 {
  55         return cpu_is_u8500() && dbx500_revision() == 0x00;
  56 }
  57
  58 static inline bool __attribute_const__ cpu_is_u8500v1(void)
  59 {
  60         return cpu_is_u8500() && (dbx500_revision() & 0xf0) == 0xA0;
  61 }
  62
  63 static inline bool __attribute_const__ cpu_is_u8500v10(void)
  64 {
  65         return cpu_is_u8500() && dbx500_revision() == 0xA0;
  66 }
  67
  68 static inline bool __attribute_const__ cpu_is_u8500v11(void)
  69 {
  70         return cpu_is_u8500() && dbx500_revision() == 0xA1;
  71 }
  72
  73 static inline bool __attribute_const__ cpu_is_u8500v2(void)
  74 {
  75         return cpu_is_u8500() && ((dbx500_revision() & 0xf0) == 0xB0);
  76 }
  77
  78 static inline bool cpu_is_u8500v20(void)
  79 {
  80         return cpu_is_u8500() && (dbx500_revision() == 0xB0);
  81 }
  82
  83 static inline bool cpu_is_u8500v21(void)
  84 {
  85         return cpu_is_u8500() && (dbx500_revision() == 0xB1);
  86 }
  87
  88 static inline bool cpu_is_u8500v20_or_later(void)
  89 {
  90         return cpu_is_u8500() && !cpu_is_u8500v10() && !cpu_is_u8500v11();
  91 }
  92
  93 static inline bool ux500_is_svp(void)
  94 {
  95         return false;
  96 }
  97
  98 #define ux500_unknown_soc()     BUG()
  99
 100 #endif