arch/avr32/mach-at32ap/pm.h

   1 /*
   2  * Register definitions for the Power Manager (PM)
   3  */
   4 #ifndef __ARCH_AVR32_MACH_AT32AP_PM_H__
   5 #define __ARCH_AVR32_MACH_AT32AP_PM_H__
   6
   7 /*
   8  * We can reduce the code size a bit by using a constant here. Since
   9  * this file is only used on AVR32 AP CPUs with segmentation enabled,
  10  * it's safe to not use ioremap. Generic drivers should of course
  11  * never do this.
  12  */
  13 #define AT32_PM_BASE    0xfff00000
  14
  15 /* PM register offsets */
  16 #define PM_MCCTRL                               0x0000
  17 #define PM_CKSEL                                0x0004
  18 #define PM_CPU_MASK                             0x0008
  19 #define PM_HSB_MASK                             0x000c
  20 #define PM_PBA_MASK                             0x0010
  21 #define PM_PBB_MASK                             0x0014
  22 #define PM_PLL0                                 0x0020
  23 #define PM_PLL1                                 0x0024
  24 #define PM_IER                                  0x0040
  25 #define PM_IDR                                  0x0044
  26 #define PM_IMR                                  0x0048
  27 #define PM_ISR                                  0x004c
  28 #define PM_ICR                                  0x0050
  29 #define PM_GCCTRL(x)                            (0x0060 + 4 * (x))
  30 #define PM_RCAUSE                               0x00c0
  31
  32 /* Bitfields in CKSEL */
  33 #define PM_CPUSEL_OFFSET                        0
  34 #define PM_CPUSEL_SIZE                          3
  35 #define PM_CPUDIV_OFFSET                        7
  36 #define PM_CPUDIV_SIZE                          1
  37 #define PM_HSBSEL_OFFSET                        8
  38 #define PM_HSBSEL_SIZE                          3
  39 #define PM_HSBDIV_OFFSET                        15
  40 #define PM_HSBDIV_SIZE                          1
  41 #define PM_PBASEL_OFFSET                        16
  42 #define PM_PBASEL_SIZE                          3
  43 #define PM_PBADIV_OFFSET                        23
  44 #define PM_PBADIV_SIZE                          1
  45 #define PM_PBBSEL_OFFSET                        24
  46 #define PM_PBBSEL_SIZE                          3
  47 #define PM_PBBDIV_OFFSET                        31
  48 #define PM_PBBDIV_SIZE                          1
  49
  50 /* Bitfields in PLL0 */
  51 #define PM_PLLEN_OFFSET                         0
  52 #define PM_PLLEN_SIZE                           1
  53 #define PM_PLLOSC_OFFSET                        1
  54 #define PM_PLLOSC_SIZE                          1
  55 #define PM_PLLOPT_OFFSET                        2
  56 #define PM_PLLOPT_SIZE                          3
  57 #define PM_PLLDIV_OFFSET                        8
  58 #define PM_PLLDIV_SIZE                          8
  59 #define PM_PLLMUL_OFFSET                        16
  60 #define PM_PLLMUL_SIZE                          8
  61 #define PM_PLLCOUNT_OFFSET                      24
  62 #define PM_PLLCOUNT_SIZE                        6
  63 #define PM_PLLTEST_OFFSET                       31
  64 #define PM_PLLTEST_SIZE                         1
  65
  66 /* Bitfields in ICR */
  67 #define PM_LOCK0_OFFSET                         0
  68 #define PM_LOCK0_SIZE                           1
  69 #define PM_LOCK1_OFFSET                         1
  70 #define PM_LOCK1_SIZE                           1
  71 #define PM_WAKE_OFFSET                          2
  72 #define PM_WAKE_SIZE                            1
  73 #define PM_CKRDY_OFFSET                         5
  74 #define PM_CKRDY_SIZE                           1
  75 #define PM_MSKRDY_OFFSET                        6
  76 #define PM_MSKRDY_SIZE                          1
  77
  78 /* Bitfields in GCCTRL0 */
  79 #define PM_OSCSEL_OFFSET                        0
  80 #define PM_OSCSEL_SIZE                          1
  81 #define PM_PLLSEL_OFFSET                        1
  82 #define PM_PLLSEL_SIZE                          1
  83 #define PM_CEN_OFFSET                           2
  84 #define PM_CEN_SIZE                             1
  85 #define PM_DIVEN_OFFSET                         4
  86 #define PM_DIVEN_SIZE                           1
  87 #define PM_DIV_OFFSET                           8
  88 #define PM_DIV_SIZE                             8
  89
  90 /* Bitfields in RCAUSE */
  91 #define PM_POR_OFFSET                           0
  92 #define PM_POR_SIZE                             1
  93 #define PM_EXT_OFFSET                           2
  94 #define PM_EXT_SIZE                             1
  95 #define PM_WDT_OFFSET                           3
  96 #define PM_WDT_SIZE                             1
  97 #define PM_NTAE_OFFSET                          4
  98 #define PM_NTAE_SIZE                            1
  99
 100 /* Bit manipulation macros */
 101 #define PM_BIT(name)                                    \
 102         (1 << PM_##name##_OFFSET)
 103 #define PM_BF(name,value)                               \
 104         (((value) & ((1 << PM_##name##_SIZE) - 1))      \
 105          << PM_##name##_OFFSET)
 106 #define PM_BFEXT(name,value)                            \
 107         (((value) >> PM_##name##_OFFSET)                \
 108          & ((1 << PM_##name##_SIZE) - 1))
 109 #define PM_BFINS(name,value,old)\
 110         (((old) & ~(((1 << PM_##name##_SIZE) - 1)       \
 111                     << PM_##name##_OFFSET))             \
 112          | PM_BF(name,value))
 113
 114 /* Register access macros */
 115 #define pm_readl(reg)                                                   \
 116         __raw_readl((void __iomem __force *)AT32_PM_BASE + PM_##reg)
 117 #define pm_writel(reg,value)                                            \
 118         __raw_writel((value), (void __iomem __force *)AT32_PM_BASE + PM_##reg)
 119
 120 #endif /* __ARCH_AVR32_MACH_AT32AP_PM_H__ */