arch/arm/mach-ux500/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_u8520(void)
  45 {
  46         return dbx500_partnumber() == 0x8520;
  47 }
  48
  49 static inline bool cpu_is_u8500_family(void)
  50 {
  51         return cpu_is_u8500() || cpu_is_u8520();
  52 }
  53
  54 static inline bool __attribute_const__ cpu_is_u9540(void)
  55 {
  56         return dbx500_partnumber() == 0x9540;
  57 }
  58
  59 static inline bool __attribute_const__ cpu_is_u8540(void)
  60 {
  61         return dbx500_partnumber() == 0x8540;
  62 }
  63
  64 static inline bool __attribute_const__ cpu_is_u8580(void)
  65 {
  66         return dbx500_partnumber() == 0x8580;
  67 }
  68
  69 static inline bool cpu_is_ux540_family(void)
  70 {
  71         return cpu_is_u9540() || cpu_is_u8540() || cpu_is_u8580();
  72 }
  73
  74 /*
  75  * 8500 revisions
  76  */
  77
  78 static inline bool __attribute_const__ cpu_is_u8500ed(void)
  79 {
  80         return cpu_is_u8500() && dbx500_revision() == 0x00;
  81 }
  82
  83 static inline bool __attribute_const__ cpu_is_u8500v1(void)
  84 {
  85         return cpu_is_u8500() && (dbx500_revision() & 0xf0) == 0xA0;
  86 }
  87
  88 static inline bool __attribute_const__ cpu_is_u8500v10(void)
  89 {
  90         return cpu_is_u8500() && dbx500_revision() == 0xA0;
  91 }
  92
  93 static inline bool __attribute_const__ cpu_is_u8500v11(void)
  94 {
  95         return cpu_is_u8500() && dbx500_revision() == 0xA1;
  96 }
  97
  98 static inline bool __attribute_const__ cpu_is_u8500v2(void)
  99 {
 100         return cpu_is_u8500() && ((dbx500_revision() & 0xf0) == 0xB0);
 101 }
 102
 103 static inline bool cpu_is_u8500v20(void)
 104 {
 105         return cpu_is_u8500() && (dbx500_revision() == 0xB0);
 106 }
 107
 108 static inline bool cpu_is_u8500v21(void)
 109 {
 110         return cpu_is_u8500() && (dbx500_revision() == 0xB1);
 111 }
 112
 113 static inline bool cpu_is_u8500v22(void)
 114 {
 115         return cpu_is_u8500() && (dbx500_revision() == 0xB2);
 116 }
 117
 118 static inline bool cpu_is_u8500v20_or_later(void)
 119 {
 120         return (cpu_is_u8500() && !cpu_is_u8500v10() && !cpu_is_u8500v11());
 121 }
 122
 123 /*
 124  * 8540 revisions
 125  */
 126
 127 static inline bool __attribute_const__ cpu_is_u8540v10(void)
 128 {
 129         return cpu_is_u8540() && dbx500_revision() == 0xA0;
 130 }
 131
 132 static inline bool __attribute_const__ cpu_is_u8580v10(void)
 133 {
 134         return cpu_is_u8580() && dbx500_revision() == 0xA0;
 135 }
 136
 137 static inline bool ux500_is_svp(void)
 138 {
 139         return false;
 140 }
 141
 142 #define ux500_unknown_soc()     BUG()
 143
 144 #endif