LXR linux/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 */
  17struct dbx500_asic_id {
  18        u16     partnumber;
  19        u8      revision;
  20        u8      process;
  21};
  22
  23extern struct dbx500_asic_id dbx500_id;
  24
  25static inline unsigned int __attribute_const__ dbx500_partnumber(void)
  26{
  27        return dbx500_id.partnumber;
  28}
  29
  30static inline unsigned int __attribute_const__ dbx500_revision(void)
  31{
  32        return dbx500_id.revision;
  33}
  34
  35/*
  36 * SOCs
  37 */
  38
  39static inline bool __attribute_const__ cpu_is_u8500(void)
  40{
  41        return dbx500_partnumber() == 0x8500;
  42}
  43
  44static inline bool __attribute_const__ cpu_is_u8520(void)
  45{
  46        return dbx500_partnumber() == 0x8520;
  47}
  48
  49static inline bool cpu_is_u8500_family(void)
  50{
  51        return cpu_is_u8500() || cpu_is_u8520();
  52}
  53
  54static inline bool __attribute_const__ cpu_is_u9540(void)
  55{
  56        return dbx500_partnumber() == 0x9540;
  57}
  58
  59static inline bool __attribute_const__ cpu_is_u8540(void)
  60{
  61        return dbx500_partnumber() == 0x8540;
  62}
  63
  64static inline bool __attribute_const__ cpu_is_u8580(void)
  65{
  66        return dbx500_partnumber() == 0x8580;
  67}
  68
  69static 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
  78static inline bool __attribute_const__ cpu_is_u8500ed(void)
  79{
  80        return cpu_is_u8500() && dbx500_revision() == 0x00;
  81}
  82
  83static inline bool __attribute_const__ cpu_is_u8500v1(void)
  84{
  85        return cpu_is_u8500() && (dbx500_revision() & 0xf0) == 0xA0;
  86}
  87
  88static inline bool __attribute_const__ cpu_is_u8500v10(void)
  89{
  90        return cpu_is_u8500() && dbx500_revision() == 0xA0;
  91}
  92
  93static inline bool __attribute_const__ cpu_is_u8500v11(void)
  94{
  95        return cpu_is_u8500() && dbx500_revision() == 0xA1;
  96}
  97
  98static inline bool __attribute_const__ cpu_is_u8500v2(void)
  99{
 100        return cpu_is_u8500() && ((dbx500_revision() & 0xf0) == 0xB0);
 101}
 102
 103static inline bool cpu_is_u8500v20(void)
 104{
 105        return cpu_is_u8500() && (dbx500_revision() == 0xB0);
 106}
 107
 108static inline bool cpu_is_u8500v21(void)
 109{
 110        return cpu_is_u8500() && (dbx500_revision() == 0xB1);
 111}
 112
 113static inline bool cpu_is_u8500v22(void)
 114{
 115        return cpu_is_u8500() && (dbx500_revision() == 0xB2);
 116}
 117
 118static 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
 127static inline bool __attribute_const__ cpu_is_u8540v10(void)
 128{
 129        return cpu_is_u8540() && dbx500_revision() == 0xA0;
 130}
 131
 132static inline bool __attribute_const__ cpu_is_u8580v10(void)
 133{
 134        return cpu_is_u8580() && dbx500_revision() == 0xA0;
 135}
 136
 137static inline bool ux500_is_svp(void)
 138{
 139        return false;
 140}
 141
 142#define ux500_unknown_soc()     BUG()
 143
 144#endif
 145