git.sur5r.net Git - u-boot/blob - arch/arm/include/asm/arch-spear/spr_gpt.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * (C) Copyright 2009
   4  * Vipin Kumar, ST Micoelectronics, vipin.kumar@st.com.
   5  */
   6
   7 #ifndef _SPR_GPT_H
   8 #define _SPR_GPT_H
   9
  10 struct gpt_regs {
  11         u8 reserved[0x80];
  12         u32 control;
  13         u32 status;
  14         u32 compare;
  15         u32 count;
  16         u32 capture_re;
  17         u32 capture_fe;
  18 };
  19
  20 /*
  21  * TIMER_CONTROL register settings
  22  */
  23
  24 #define GPT_PRESCALER_MASK              0x000F
  25 #define GPT_PRESCALER_1                 0x0000
  26 #define GPT_PRESCALER_2                 0x0001
  27 #define GPT_PRESCALER_4                 0x0002
  28 #define GPT_PRESCALER_8                 0x0003
  29 #define GPT_PRESCALER_16                0x0004
  30 #define GPT_PRESCALER_32                0x0005
  31 #define GPT_PRESCALER_64                0x0006
  32 #define GPT_PRESCALER_128               0x0007
  33 #define GPT_PRESCALER_256               0x0008
  34
  35 #define GPT_MODE_SINGLE_SHOT            0x0010
  36 #define GPT_MODE_AUTO_RELOAD            0x0000
  37
  38 #define GPT_ENABLE                      0x0020
  39
  40 #define GPT_CAPT_MODE_MASK              0x00C0
  41 #define GPT_CAPT_MODE_NONE              0x0000
  42 #define GPT_CAPT_MODE_RE                0x0040
  43 #define GPT_CAPT_MODE_FE                0x0080
  44 #define GPT_CAPT_MODE_BOTH              0x00C0
  45
  46 #define GPT_INT_MATCH                   0x0100
  47 #define GPT_INT_FE                      0x0200
  48 #define GPT_INT_RE                      0x0400
  49
  50 /*
  51  * TIMER_STATUS register settings
  52  */
  53
  54 #define GPT_STS_MATCH                   0x0001
  55 #define GPT_STS_FE                      0x0002
  56 #define GPT_STS_RE                      0x0004
  57
  58 /*
  59  * TIMER_COMPARE register settings
  60  */
  61
  62 #define GPT_FREE_RUNNING                0xFFFF
  63
  64 /* Timer, HZ specific defines */
  65 #define CONFIG_SPEAR_HZ                 1000
  66 #define CONFIG_SPEAR_HZ_CLOCK           8300000
  67
  68 #endif