include/asm-arm/plat-s3c/regs-timer.h

   1 /* arch/arm/mach-s3c2410/include/mach/regs-timer.h
   2  *
   3  * Copyright (c) 2003 Simtec Electronics <linux@simtec.co.uk>
   4  *                    http://www.simtec.co.uk/products/SWLINUX/
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  *
  10  * S3C2410 Timer configuration
  11 */
  12
  13
  14 #ifndef __ASM_ARCH_REGS_TIMER_H
  15 #define __ASM_ARCH_REGS_TIMER_H "$Id: timer.h,v 1.4 2003/05/06 19:30:50 ben Exp $"
  16
  17 #define S3C_TIMERREG(x) (S3C_VA_TIMER + (x))
  18 #define S3C_TIMERREG2(tmr,reg) S3C_TIMERREG((reg)+0x0c+((tmr)*0x0c))
  19
  20 #define S3C2410_TCFG0         S3C_TIMERREG(0x00)
  21 #define S3C2410_TCFG1         S3C_TIMERREG(0x04)
  22 #define S3C2410_TCON          S3C_TIMERREG(0x08)
  23
  24 #define S3C2410_TCFG_PRESCALER0_MASK (255<<0)
  25 #define S3C2410_TCFG_PRESCALER1_MASK (255<<8)
  26 #define S3C2410_TCFG_PRESCALER1_SHIFT (8)
  27 #define S3C2410_TCFG_DEADZONE_MASK   (255<<16)
  28 #define S3C2410_TCFG_DEADZONE_SHIFT  (16)
  29
  30 #define S3C2410_TCFG1_MUX4_DIV2   (0<<16)
  31 #define S3C2410_TCFG1_MUX4_DIV4   (1<<16)
  32 #define S3C2410_TCFG1_MUX4_DIV8   (2<<16)
  33 #define S3C2410_TCFG1_MUX4_DIV16  (3<<16)
  34 #define S3C2410_TCFG1_MUX4_TCLK1  (4<<16)
  35 #define S3C2410_TCFG1_MUX4_MASK   (15<<16)
  36 #define S3C2410_TCFG1_MUX4_SHIFT  (16)
  37
  38 #define S3C2410_TCFG1_MUX3_DIV2   (0<<12)
  39 #define S3C2410_TCFG1_MUX3_DIV4   (1<<12)
  40 #define S3C2410_TCFG1_MUX3_DIV8   (2<<12)
  41 #define S3C2410_TCFG1_MUX3_DIV16  (3<<12)
  42 #define S3C2410_TCFG1_MUX3_TCLK1  (4<<12)
  43 #define S3C2410_TCFG1_MUX3_MASK   (15<<12)
  44
  45
  46 #define S3C2410_TCFG1_MUX2_DIV2   (0<<8)
  47 #define S3C2410_TCFG1_MUX2_DIV4   (1<<8)
  48 #define S3C2410_TCFG1_MUX2_DIV8   (2<<8)
  49 #define S3C2410_TCFG1_MUX2_DIV16  (3<<8)
  50 #define S3C2410_TCFG1_MUX2_TCLK1  (4<<8)
  51 #define S3C2410_TCFG1_MUX2_MASK   (15<<8)
  52
  53
  54 #define S3C2410_TCFG1_MUX1_DIV2   (0<<4)
  55 #define S3C2410_TCFG1_MUX1_DIV4   (1<<4)
  56 #define S3C2410_TCFG1_MUX1_DIV8   (2<<4)
  57 #define S3C2410_TCFG1_MUX1_DIV16  (3<<4)
  58 #define S3C2410_TCFG1_MUX1_TCLK0  (4<<4)
  59 #define S3C2410_TCFG1_MUX1_MASK   (15<<4)
  60
  61 #define S3C2410_TCFG1_MUX0_DIV2   (0<<0)
  62 #define S3C2410_TCFG1_MUX0_DIV4   (1<<0)
  63 #define S3C2410_TCFG1_MUX0_DIV8   (2<<0)
  64 #define S3C2410_TCFG1_MUX0_DIV16  (3<<0)
  65 #define S3C2410_TCFG1_MUX0_TCLK0  (4<<0)
  66 #define S3C2410_TCFG1_MUX0_MASK   (15<<0)
  67
  68 #define S3C2410_TCFG1_MUX_DIV2    (0<<0)
  69 #define S3C2410_TCFG1_MUX_DIV4    (1<<0)
  70 #define S3C2410_TCFG1_MUX_DIV8    (2<<0)
  71 #define S3C2410_TCFG1_MUX_DIV16   (3<<0)
  72 #define S3C2410_TCFG1_MUX_TCLK    (4<<0)
  73 #define S3C2410_TCFG1_MUX_MASK    (15<<0)
  74
  75 #define S3C2410_TCFG1_SHIFT(x)    ((x) * 4)
  76
  77 /* for each timer, we have an count buffer, an compare buffer and
  78  * an observation buffer
  79 */
  80
  81 /* WARNING - timer 4 has no buffer reg, and it's observation is at +4 */
  82
  83 #define S3C2410_TCNTB(tmr)    S3C_TIMERREG2(tmr, 0x00)
  84 #define S3C2410_TCMPB(tmr)    S3C_TIMERREG2(tmr, 0x04)
  85 #define S3C2410_TCNTO(tmr)    S3C_TIMERREG2(tmr, (((tmr) == 4) ? 0x04 : 0x08))
  86
  87 #define S3C2410_TCON_T4RELOAD     (1<<22)
  88 #define S3C2410_TCON_T4MANUALUPD  (1<<21)
  89 #define S3C2410_TCON_T4START      (1<<20)
  90
  91 #define S3C2410_TCON_T3RELOAD     (1<<19)
  92 #define S3C2410_TCON_T3INVERT     (1<<18)
  93 #define S3C2410_TCON_T3MANUALUPD  (1<<17)
  94 #define S3C2410_TCON_T3START      (1<<16)
  95
  96 #define S3C2410_TCON_T2RELOAD     (1<<15)
  97 #define S3C2410_TCON_T2INVERT     (1<<14)
  98 #define S3C2410_TCON_T2MANUALUPD  (1<<13)
  99 #define S3C2410_TCON_T2START      (1<<12)
 100
 101 #define S3C2410_TCON_T1RELOAD     (1<<11)
 102 #define S3C2410_TCON_T1INVERT     (1<<10)
 103 #define S3C2410_TCON_T1MANUALUPD  (1<<9)
 104 #define S3C2410_TCON_T1START      (1<<8)
 105
 106 #define S3C2410_TCON_T0DEADZONE   (1<<4)
 107 #define S3C2410_TCON_T0RELOAD     (1<<3)
 108 #define S3C2410_TCON_T0INVERT     (1<<2)
 109 #define S3C2410_TCON_T0MANUALUPD  (1<<1)
 110 #define S3C2410_TCON_T0START      (1<<0)
 111
 112 #endif /*  __ASM_ARCH_REGS_TIMER_H */
 113
 114
 115