Subversion Repositories openrisc

//=============================================================================

//

//      mod_regs_cpg.h

//

//      CPG (clock pulse generator) Module register definitions

//

//=============================================================================

// ####ECOSGPLCOPYRIGHTBEGIN####                                            

// -------------------------------------------                              

// This file is part of eCos, the Embedded Configurable Operating System.   

// Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.

//

// eCos is free software; you can redistribute it and/or modify it under    

// the terms of the GNU General Public License as published by the Free     

// Software Foundation; either version 2 or (at your option) any later      

// version.                                                                 

//

// eCos is distributed in the hope that it will be useful, but WITHOUT      

// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or    

// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License    

// for more details.                                                        

//

// You should have received a copy of the GNU General Public License        

// along with eCos; if not, write to the Free Software Foundation, Inc.,    

// 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.            

//

// As a special exception, if other files instantiate templates or use      

// macros or inline functions from this file, or you compile this file      

// and link it with other works to produce a work based on this file,       

// this file does not by itself cause the resulting work to be covered by   

// the GNU General Public License. However the source code for this file    

// must still be made available in accordance with section (3) of the GNU   

// General Public License v2.                                               

//

// This exception does not invalidate any other reasons why a work based    

// on this file might be covered by the GNU General Public License.         

// -------------------------------------------                              

// ####ECOSGPLCOPYRIGHTEND####                                              

//=============================================================================

//#####DESCRIPTIONBEGIN####

//

// Author(s):   jskov

// Contributors:jskov, nickg

// Date:        2000-10-30

//              

//####DESCRIPTIONEND####

//

//=============================================================================

//--------------------------------------------------------------------------

// Oscillator control registers

#define CYGARC_REG_FRQCR                0xFFC00000

#define CYGARC_REG_STBCR                0xFFC00004

#define CYGARC_REG_WTCNT                0xFFC00008 // read 8bit, write 16bit

#define CYGARC_REG_WTCSR                0xFFC0000C // read 8bit, write 16bit

#define CYGARC_REG_STBCR2               0xFFC00010

#ifdef CYGPKG_HAL_SH_202

#define CYGARC_REG_FRQCR3               0xFE0A0018

#endif

#define CYGARC_REG_WTCNT_WRITE          0x5a00     // top 8bit value for write

#define CYGARC_REG_WTCSR_WRITE          0xa500     // top 8bit value for write

#define CYGARC_REG_WTCSR_TME            0x80       // timer enable

#define CYGARC_REG_WTCSR_WT_IT          0x40       // watchdog(1)/interval(0)

#define CYGARC_REG_WTCSR_RSTS           0x20       // manual(1)/poweron(0)

#define CYGARC_REG_WTCSR_WOVF           0x10       // watchdog overflow

#define CYGARC_REG_WTCSR_IOVF           0x08       // interval overflow

#define CYGARC_REG_WTCSR_CKS2           0x04       // clock select 2

#define CYGARC_REG_WTCSR_CKS1           0x02       // clock select 1

#define CYGARC_REG_WTCSR_CKS0           0x01       // clock select 0

#define CYGARC_REG_WTCSR_CKSx_MASK      0x07       // clock select mask

// This is the period (in us) between watchdog reset and overflow.

// Note: We use max timeout delay for now.

#define CYGARC_REG_WTCSR_CKSx_SETTING   0x07       // max delay

#define CYGARC_REG_WTCSR_PERIOD         ((1000000000/(CYGHWR_HAL_SH_ONCHIP_PERIPHERAL_SPEED/4096))*256)

// Translate various CDL clock configurations to register equivalents

// for the various CPG versions

#if   (CYGARC_SH_MOD_CPG == 1) // ---------------------------- V1

// PLL1

#if   (CYGHWR_HAL_SH_OOC_PLL_1 == 0)

# define CYGARC_REG_FRQCR_INIT_PLL1 0x0000

#elif (CYGHWR_HAL_SH_OOC_PLL_1 == 4)

# define CYGARC_REG_FRQCR_INIT_PLL1 0x0400

#elif (CYGHWR_HAL_SH_OOC_PLL_1 == 6)

# define CYGARC_REG_FRQCR_INIT_PLL1 0x0400

#elif (CYGHWR_HAL_SH_OOC_PLL_1 == 8)

# define CYGARC_REG_FRQCR_INIT_PLL1 0x0400

#elif (CYGHWR_HAL_SH_OOC_PLL_1 == 12)

# define CYGARC_REG_FRQCR_INIT_PLL1 0x0400

#else

# error "Unsupported PLL1 setting"

#endif

// PLL2

#if   (CYGHWR_HAL_SH_OOC_PLL_2 == 0)

# define CYGARC_REG_FRQCR_INIT_PLL2 0x0000

#elif (CYGHWR_HAL_SH_OOC_PLL_2 == 1)

# define CYGARC_REG_FRQCR_INIT_PLL2 0x0200

#else

# error "Unsupported PLL2 setting"

#endif

// Divider IFC

#if   (CYGHWR_HAL_SH_OOC_DIVIDER_IFC == 1)

# define CYGARC_REG_FRQCR_INIT_DIVIDER_IFC 0x0000

#elif (CYGHWR_HAL_SH_OOC_DIVIDER_IFC == 2)

# define CYGARC_REG_FRQCR_INIT_DIVIDER_IFC 0x0040

#elif (CYGHWR_HAL_SH_OOC_DIVIDER_IFC == 3)

# define CYGARC_REG_FRQCR_INIT_DIVIDER_IFC 0x0080

#elif (CYGHWR_HAL_SH_OOC_DIVIDER_IFC == 4)

# define CYGARC_REG_FRQCR_INIT_DIVIDER_IFC 0x00c0

#elif (CYGHWR_HAL_SH_OOC_DIVIDER_IFC == 6)

# define CYGARC_REG_FRQCR_INIT_DIVIDER_IFC 0x0100

#elif (CYGHWR_HAL_SH_OOC_DIVIDER_IFC == 8)

# define CYGARC_REG_FRQCR_INIT_DIVIDER_IFC 0x0140

#else

# error "Unsupported Divider IFC setting"

#endif

// Divider BFC

#if   (CYGHWR_HAL_SH_OOC_DIVIDER_BFC == 1)

# define CYGARC_REG_FRQCR_INIT_DIVIDER_BFC 0x0000

#elif (CYGHWR_HAL_SH_OOC_DIVIDER_BFC == 2)

# define CYGARC_REG_FRQCR_INIT_DIVIDER_BFC 0x0008

#elif (CYGHWR_HAL_SH_OOC_DIVIDER_BFC == 3)

# define CYGARC_REG_FRQCR_INIT_DIVIDER_BFC 0x0010

#elif (CYGHWR_HAL_SH_OOC_DIVIDER_BFC == 4)

# define CYGARC_REG_FRQCR_INIT_DIVIDER_BFC 0x0018

#elif (CYGHWR_HAL_SH_OOC_DIVIDER_BFC == 6)

# define CYGARC_REG_FRQCR_INIT_DIVIDER_BFC 0x0020

#elif (CYGHWR_HAL_SH_OOC_DIVIDER_BFC == 8)

# define CYGARC_REG_FRQCR_INIT_DIVIDER_BFC 0x0028

#else

# error "Unsupported Divider BFC setting"

#endif

// Divider PFC

#if (CYGHWR_HAL_SH_OOC_DIVIDER_PFC == 2)

# define CYGARC_REG_FRQCR_INIT_DIVIDER_PFC 0x0000

#elif (CYGHWR_HAL_SH_OOC_DIVIDER_PFC == 3)

# define CYGARC_REG_FRQCR_INIT_DIVIDER_PFC 0x0001

#elif (CYGHWR_HAL_SH_OOC_DIVIDER_PFC == 4)

# define CYGARC_REG_FRQCR_INIT_DIVIDER_PFC 0x0002

#elif (CYGHWR_HAL_SH_OOC_DIVIDER_PFC == 6)

# define CYGARC_REG_FRQCR_INIT_DIVIDER_PFC 0x0003

#elif (CYGHWR_HAL_SH_OOC_DIVIDER_PFC == 8)

# define CYGARC_REG_FRQCR_INIT_DIVIDER_PFC 0x0004

#else

# error "Unsupported Divider PFC setting"

#endif

// CKOEN

#ifdef CYGHWR_HAL_SH_OOC_CKIO

# define CYGARC_REG_FRQCR_INIT_CKOEN 0x0800

#else

# define CYGARC_REG_FRQCR_INIT_CKOEN 0x0000

#endif

#else

# error "Unsupported CPG version"

#endif

// Init value

#define CYGARC_REG_FRQCR_INIT (CYGARC_REG_FRQCR_INIT_PLL1|CYGARC_REG_FRQCR_INIT_PLL2|CYGARC_REG_FRQCR_INIT_DIVIDER_IFC|CYGARC_REG_FRQCR_INIT_DIVIDER_BFC|CYGARC_REG_FRQCR_INIT_DIVIDER_PFC|CYGARC_REG_FRQCR_INIT_CKOEN)