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  */
  13
  14 #define TS72XX_MODEL_PHYS_BASE          0x22000000
  15 #define TS72XX_MODEL_VIRT_BASE          IOMEM(0xfebff000)
  16 #define TS72XX_MODEL_SIZE               0x00001000
  17
  18 #define TS72XX_MODEL_TS7200             0x00
  19 #define TS72XX_MODEL_TS7250             0x01
  20 #define TS72XX_MODEL_TS7260             0x02
  21 #define TS72XX_MODEL_TS7300             0x03
  22 #define TS72XX_MODEL_TS7400             0x04
  23 #define TS72XX_MODEL_MASK               0x07
  24
  25
  26 #define TS72XX_OPTIONS_PHYS_BASE        0x22400000
  27 #define TS72XX_OPTIONS_VIRT_BASE        IOMEM(0xfebfe000)
  28 #define TS72XX_OPTIONS_SIZE             0x00001000
  29
  30 #define TS72XX_OPTIONS_COM2_RS485       0x02
  31 #define TS72XX_OPTIONS_MAX197           0x01
  32
  33
  34 #define TS72XX_OPTIONS2_PHYS_BASE       0x22800000
  35 #define TS72XX_OPTIONS2_VIRT_BASE       IOMEM(0xfebfd000)
  36 #define TS72XX_OPTIONS2_SIZE            0x00001000
  37
  38 #define TS72XX_OPTIONS2_TS9420          0x04
  39 #define TS72XX_OPTIONS2_TS9420_BOOT     0x02
  40
  41 #define TS72XX_WDT_CONTROL_PHYS_BASE    0x23800000
  42 #define TS72XX_WDT_FEED_PHYS_BASE       0x23c00000
  43
  44 #ifndef __ASSEMBLY__
  45
  46 static inline int ts72xx_model(void)
  47 {
  48         return __raw_readb(TS72XX_MODEL_VIRT_BASE) & TS72XX_MODEL_MASK;
  49 }
  50
  51 static inline int board_is_ts7200(void)
  52 {
  53         return ts72xx_model() == TS72XX_MODEL_TS7200;
  54 }
  55
  56 static inline int board_is_ts7250(void)
  57 {
  58         return ts72xx_model() == TS72XX_MODEL_TS7250;
  59 }
  60
  61 static inline int board_is_ts7260(void)
  62 {
  63         return ts72xx_model() == TS72XX_MODEL_TS7260;
  64 }
  65
  66 static inline int board_is_ts7300(void)
  67 {
  68         return ts72xx_model()  == TS72XX_MODEL_TS7300;
  69 }
  70
  71 static inline int board_is_ts7400(void)
  72 {
  73         return ts72xx_model() == TS72XX_MODEL_TS7400;
  74 }
  75
  76 static inline int is_max197_installed(void)
  77 {
  78         return !!(__raw_readb(TS72XX_OPTIONS_VIRT_BASE) &
  79                                         TS72XX_OPTIONS_MAX197);
  80 }
  81
  82 static inline int is_ts9420_installed(void)
  83 {
  84         return !!(__raw_readb(TS72XX_OPTIONS2_VIRT_BASE) &
  85                                         TS72XX_OPTIONS2_TS9420);
  86 }
  87 #endif