arch/arm/mach-s3c24xx/include/mach/regs-s3c2443-clock.h

   1 /* arch/arm/mach-s3c2410/include/mach/regs-s3c2443-clock.h
   2  *
   3  * Copyright (c) 2007 Simtec Electronics
   4  *      Ben Dooks <ben@simtec.co.uk>
   5  *      http://armlinux.simtec.co.uk/
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 as
   9  * published by the Free Software Foundation.
  10  *
  11  * S3C2443 clock register definitions
  12 */
  13
  14 #ifndef __ASM_ARM_REGS_S3C2443_CLOCK
  15 #define __ASM_ARM_REGS_S3C2443_CLOCK
  16
  17 #define S3C2443_CLKREG(x)               ((x) + S3C24XX_VA_CLKPWR)
  18
  19 #define S3C2443_PLLCON_MDIVSHIFT        16
  20 #define S3C2443_PLLCON_PDIVSHIFT        8
  21 #define S3C2443_PLLCON_SDIVSHIFT        0
  22 #define S3C2443_PLLCON_MDIVMASK         ((1<<(1+(23-16)))-1)
  23 #define S3C2443_PLLCON_PDIVMASK         ((1<<(1+(9-8)))-1)
  24 #define S3C2443_PLLCON_SDIVMASK         (3)
  25
  26 #define S3C2443_MPLLCON                 S3C2443_CLKREG(0x10)
  27 #define S3C2443_EPLLCON                 S3C2443_CLKREG(0x18)
  28 #define S3C2443_CLKSRC                  S3C2443_CLKREG(0x20)
  29 #define S3C2443_CLKDIV0                 S3C2443_CLKREG(0x24)
  30 #define S3C2443_CLKDIV1                 S3C2443_CLKREG(0x28)
  31 #define S3C2443_HCLKCON                 S3C2443_CLKREG(0x30)
  32 #define S3C2443_PCLKCON                 S3C2443_CLKREG(0x34)
  33 #define S3C2443_SCLKCON                 S3C2443_CLKREG(0x38)
  34 #define S3C2443_PWRMODE                 S3C2443_CLKREG(0x40)
  35 #define S3C2443_SWRST                   S3C2443_CLKREG(0x44)
  36 #define S3C2443_BUSPRI0                 S3C2443_CLKREG(0x50)
  37 #define S3C2443_SYSID                   S3C2443_CLKREG(0x5C)
  38 #define S3C2443_PWRCFG                  S3C2443_CLKREG(0x60)
  39 #define S3C2443_RSTCON                  S3C2443_CLKREG(0x64)
  40 #define S3C2443_PHYCTRL                 S3C2443_CLKREG(0x80)
  41 #define S3C2443_PHYPWR                  S3C2443_CLKREG(0x84)
  42 #define S3C2443_URSTCON                 S3C2443_CLKREG(0x88)
  43 #define S3C2443_UCLKCON                 S3C2443_CLKREG(0x8C)
  44
  45 #define S3C2443_PLLCON_OFF              (1<<24)
  46
  47 #define S3C2443_CLKSRC_EPLLREF_XTAL     (2<<7)
  48 #define S3C2443_CLKSRC_EPLLREF_EXTCLK   (3<<7)
  49 #define S3C2443_CLKSRC_EPLLREF_MPLLREF  (0<<7)
  50 #define S3C2443_CLKSRC_EPLLREF_MPLLREF2 (1<<7)
  51 #define S3C2443_CLKSRC_EPLLREF_MASK     (3<<7)
  52
  53 #define S3C2443_CLKSRC_EXTCLK_DIV       (1<<3)
  54
  55 #define S3C2443_CLKDIV0_HALF_HCLK       (1<<3)
  56 #define S3C2443_CLKDIV0_HALF_PCLK       (1<<2)
  57
  58 #define S3C2443_CLKDIV0_HCLKDIV_MASK    (3<<0)
  59
  60 #define S3C2443_CLKDIV0_EXTDIV_MASK     (3<<6)
  61 #define S3C2443_CLKDIV0_EXTDIV_SHIFT    (6)
  62
  63 #define S3C2443_CLKDIV0_PREDIV_MASK     (3<<4)
  64 #define S3C2443_CLKDIV0_PREDIV_SHIFT    (4)
  65
  66 #define S3C2416_CLKDIV0_ARMDIV_MASK     (7 << 9)
  67 #define S3C2443_CLKDIV0_ARMDIV_MASK     (15<<9)
  68 #define S3C2443_CLKDIV0_ARMDIV_SHIFT    (9)
  69 #define S3C2443_CLKDIV0_ARMDIV_1        (0<<9)
  70 #define S3C2443_CLKDIV0_ARMDIV_2        (8<<9)
  71 #define S3C2443_CLKDIV0_ARMDIV_3        (2<<9)
  72 #define S3C2443_CLKDIV0_ARMDIV_4        (9<<9)
  73 #define S3C2443_CLKDIV0_ARMDIV_6        (10<<9)
  74 #define S3C2443_CLKDIV0_ARMDIV_8        (11<<9)
  75 #define S3C2443_CLKDIV0_ARMDIV_12       (13<<9)
  76 #define S3C2443_CLKDIV0_ARMDIV_16       (15<<9)
  77
  78 /* S3C2443_CLKDIV1 removed, only used in clock.c code */
  79
  80 #define S3C2443_CLKCON_NAND
  81
  82 #define S3C2443_HCLKCON_DMA0            (1<<0)
  83 #define S3C2443_HCLKCON_DMA1            (1<<1)
  84 #define S3C2443_HCLKCON_DMA2            (1<<2)
  85 #define S3C2443_HCLKCON_DMA3            (1<<3)
  86 #define S3C2443_HCLKCON_DMA4            (1<<4)
  87 #define S3C2443_HCLKCON_DMA5            (1<<5)
  88 #define S3C2443_HCLKCON_CAMIF           (1<<8)
  89 #define S3C2443_HCLKCON_LCDC            (1<<9)
  90 #define S3C2443_HCLKCON_USBH            (1<<11)
  91 #define S3C2443_HCLKCON_USBD            (1<<12)
  92 #define S3C2416_HCLKCON_HSMMC0          (1<<15)
  93 #define S3C2443_HCLKCON_HSMMC           (1<<16)
  94 #define S3C2443_HCLKCON_CFC             (1<<17)
  95 #define S3C2443_HCLKCON_SSMC            (1<<18)
  96 #define S3C2443_HCLKCON_DRAMC           (1<<19)
  97
  98 #define S3C2443_PCLKCON_UART0           (1<<0)
  99 #define S3C2443_PCLKCON_UART1           (1<<1)
 100 #define S3C2443_PCLKCON_UART2           (1<<2)
 101 #define S3C2443_PCLKCON_UART3           (1<<3)
 102 #define S3C2443_PCLKCON_IIC             (1<<4)
 103 #define S3C2443_PCLKCON_SDI             (1<<5)
 104 #define S3C2443_PCLKCON_HSSPI           (1<<6)
 105 #define S3C2443_PCLKCON_ADC             (1<<7)
 106 #define S3C2443_PCLKCON_AC97            (1<<8)
 107 #define S3C2443_PCLKCON_IIS             (1<<9)
 108 #define S3C2443_PCLKCON_PWMT            (1<<10)
 109 #define S3C2443_PCLKCON_WDT             (1<<11)
 110 #define S3C2443_PCLKCON_RTC             (1<<12)
 111 #define S3C2443_PCLKCON_GPIO            (1<<13)
 112 #define S3C2443_PCLKCON_SPI0            (1<<14)
 113 #define S3C2443_PCLKCON_SPI1            (1<<15)
 114
 115 #define S3C2443_SCLKCON_DDRCLK          (1<<16)
 116 #define S3C2443_SCLKCON_SSMCCLK         (1<<15)
 117 #define S3C2443_SCLKCON_HSSPICLK        (1<<14)
 118 #define S3C2443_SCLKCON_HSMMCCLK_EXT    (1<<13)
 119 #define S3C2443_SCLKCON_HSMMCCLK_EPLL   (1<<12)
 120 #define S3C2443_SCLKCON_CAMCLK          (1<<11)
 121 #define S3C2443_SCLKCON_DISPCLK         (1<<10)
 122 #define S3C2443_SCLKCON_I2SCLK          (1<<9)
 123 #define S3C2443_SCLKCON_UARTCLK         (1<<8)
 124 #define S3C2443_SCLKCON_USBHOST         (1<<1)
 125
 126 #define S3C2443_PWRCFG_SLEEP            (1<<15)
 127
 128 #define S3C2443_PWRCFG_USBPHY           (1 << 4)
 129
 130 #define S3C2443_URSTCON_FUNCRST         (1 << 2)
 131 #define S3C2443_URSTCON_PHYRST          (1 << 0)
 132
 133 #define S3C2443_PHYCTRL_CLKSEL          (1 << 3)
 134 #define S3C2443_PHYCTRL_EXTCLK          (1 << 2)
 135 #define S3C2443_PHYCTRL_PLLSEL          (1 << 1)
 136 #define S3C2443_PHYCTRL_DSPORT          (1 << 0)
 137
 138 #define S3C2443_PHYPWR_COMMON_ON        (1 << 31)
 139 #define S3C2443_PHYPWR_ANALOG_PD        (1 << 4)
 140 #define S3C2443_PHYPWR_PLL_REFCLK       (1 << 3)
 141 #define S3C2443_PHYPWR_XO_ON            (1 << 2)
 142 #define S3C2443_PHYPWR_PLL_PWRDN        (1 << 1)
 143 #define S3C2443_PHYPWR_FSUSPEND         (1 << 0)
 144
 145 #define S3C2443_UCLKCON_DETECT_VBUS     (1 << 31)
 146 #define S3C2443_UCLKCON_FUNC_CLKEN      (1 << 2)
 147 #define S3C2443_UCLKCON_TCLKEN          (1 << 0)
 148
 149 #include <asm/div64.h>
 150
 151 static inline unsigned int
 152 s3c2443_get_mpll(unsigned int pllval, unsigned int baseclk)
 153 {
 154         unsigned int mdiv, pdiv, sdiv;
 155         uint64_t fvco;
 156
 157         mdiv = pllval >> S3C2443_PLLCON_MDIVSHIFT;
 158         pdiv = pllval >> S3C2443_PLLCON_PDIVSHIFT;
 159         sdiv = pllval >> S3C2443_PLLCON_SDIVSHIFT;
 160
 161         mdiv &= S3C2443_PLLCON_MDIVMASK;
 162         pdiv &= S3C2443_PLLCON_PDIVMASK;
 163         sdiv &= S3C2443_PLLCON_SDIVMASK;
 164
 165         fvco = (uint64_t)baseclk * (2 * (mdiv + 8));
 166         do_div(fvco, pdiv << sdiv);
 167
 168         return (unsigned int)fvco;
 169 }
 170
 171 static inline unsigned int
 172 s3c2443_get_epll(unsigned int pllval, unsigned int baseclk)
 173 {
 174         unsigned int mdiv, pdiv, sdiv;
 175         uint64_t fvco;
 176
 177         mdiv = pllval >> S3C2443_PLLCON_MDIVSHIFT;
 178         pdiv = pllval >> S3C2443_PLLCON_PDIVSHIFT;
 179         sdiv = pllval >> S3C2443_PLLCON_SDIVSHIFT;
 180
 181         mdiv &= S3C2443_PLLCON_MDIVMASK;
 182         pdiv &= S3C2443_PLLCON_PDIVMASK;
 183         sdiv &= S3C2443_PLLCON_SDIVMASK;
 184
 185         fvco = (uint64_t)baseclk * (mdiv + 8);
 186         do_div(fvco, (pdiv + 2) << sdiv);
 187
 188         return (unsigned int)fvco;
 189 }
 190
 191 #endif /*  __ASM_ARM_REGS_S3C2443_CLOCK */
 192