arch/arm/mach-ep93xx/ts72xx.h

   1 /*
   2  * arch/arm/mach-ep93xx/include/mach/ts72xx.h
   3  */
   4
   5 /*
   6  * TS72xx memory map:
   7  *
   8  * virt         phys            size
   9  * febff000     22000000        4K      model number register (bits 0-2)
  10  * febfe000     22400000        4K      options register
  11  * febfd000     22800000        4K      options register #2
  12  * febf9000     10800000        4K      TS-5620 RTC index register
  13  * febf8000     11700000        4K      TS-5620 RTC data register
  14  */
  15
  16 #define TS72XX_MODEL_PHYS_BASE          0x22000000
  17 #define TS72XX_MODEL_VIRT_BASE          IOMEM(0xfebff000)
  18 #define TS72XX_MODEL_SIZE               0x00001000
  19
  20 #define TS72XX_MODEL_TS7200             0x00
  21 #define TS72XX_MODEL_TS7250             0x01
  22 #define TS72XX_MODEL_TS7260             0x02
  23 #define TS72XX_MODEL_TS7300             0x03
  24 #define TS72XX_MODEL_TS7400             0x04
  25 #define TS72XX_MODEL_MASK               0x07
  26
  27
  28 #define TS72XX_OPTIONS_PHYS_BASE        0x22400000
  29 #define TS72XX_OPTIONS_VIRT_BASE        IOMEM(0xfebfe000)
  30 #define TS72XX_OPTIONS_SIZE             0x00001000
  31
  32 #define TS72XX_OPTIONS_COM2_RS485       0x02
  33 #define TS72XX_OPTIONS_MAX197           0x01
  34
  35
  36 #define TS72XX_OPTIONS2_PHYS_BASE       0x22800000
  37 #define TS72XX_OPTIONS2_VIRT_BASE       IOMEM(0xfebfd000)
  38 #define TS72XX_OPTIONS2_SIZE            0x00001000
  39
  40 #define TS72XX_OPTIONS2_TS9420          0x04
  41 #define TS72XX_OPTIONS2_TS9420_BOOT     0x02
  42
  43
  44 #define TS72XX_RTC_INDEX_VIRT_BASE      IOMEM(0xfebf9000)
  45 #define TS72XX_RTC_INDEX_PHYS_BASE      0x10800000
  46 #define TS72XX_RTC_INDEX_SIZE           0x00001000
  47
  48 #define TS72XX_RTC_DATA_VIRT_BASE       IOMEM(0xfebf8000)
  49 #define TS72XX_RTC_DATA_PHYS_BASE       0x11700000
  50 #define TS72XX_RTC_DATA_SIZE            0x00001000
  51
  52 #define TS72XX_WDT_CONTROL_PHYS_BASE    0x23800000
  53 #define TS72XX_WDT_FEED_PHYS_BASE       0x23c00000
  54
  55 #ifndef __ASSEMBLY__
  56
  57 static inline int ts72xx_model(void)
  58 {
  59         return __raw_readb(TS72XX_MODEL_VIRT_BASE) & TS72XX_MODEL_MASK;
  60 }
  61
  62 static inline int board_is_ts7200(void)
  63 {
  64         return ts72xx_model() == TS72XX_MODEL_TS7200;
  65 }
  66
  67 static inline int board_is_ts7250(void)
  68 {
  69         return ts72xx_model() == TS72XX_MODEL_TS7250;
  70 }
  71
  72 static inline int board_is_ts7260(void)
  73 {
  74         return ts72xx_model() == TS72XX_MODEL_TS7260;
  75 }
  76
  77 static inline int board_is_ts7300(void)
  78 {
  79         return ts72xx_model()  == TS72XX_MODEL_TS7300;
  80 }
  81
  82 static inline int board_is_ts7400(void)
  83 {
  84         return ts72xx_model() == TS72XX_MODEL_TS7400;
  85 }
  86
  87 static inline int is_max197_installed(void)
  88 {
  89         return !!(__raw_readb(TS72XX_OPTIONS_VIRT_BASE) &
  90                                         TS72XX_OPTIONS_MAX197);
  91 }
  92
  93 static inline int is_ts9420_installed(void)
  94 {
  95         return !!(__raw_readb(TS72XX_OPTIONS2_VIRT_BASE) &
  96                                         TS72XX_OPTIONS2_TS9420);
  97 }
  98 #endif