arch/blackfin/include/asm/blackfin.h

/*
 * barebox - blackfin.h
 *
 * Copyright (c) 2005 blackfin.uclinux.org
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program 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 of
 * the License, or (at your option) any later version.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#ifndef _BLACKFIN_H_
#define _BLACKFIN_H_

#define lo(con32)		((con32) & 0xFFFF)
#define hi(con32)		(((con32) >> 16) & 0xFFFF)

#ifdef CONFIG_BF561

#include <asm/cpu/defBF561.h>
#include <asm/cpu/defBF561_extn.h>
#ifndef __ASSEMBLY__
#include <asm/cpu/cdef_LPBlackfin.h>
#include <asm/cpu/cdefBF561.h>
#endif

#endif

#ifndef __ASSEMBLY__
/* Get the System clock */
ulong get_sclk(void);
#endif

#if ( CONFIG_CLKIN_HALF == 0 )
#define CONFIG_VCO_HZ           ( CONFIG_CLKIN_HZ * CONFIG_VCO_MULT )
#else
#define CONFIG_VCO_HZ           (( CONFIG_CLKIN_HZ * CONFIG_VCO_MULT ) / 2 )
#endif

#if (CONFIG_PLL_BYPASS == 0)
#define CONFIG_CCLK_HZ          ( CONFIG_VCO_HZ / CONFIG_CCLK_DIV )
#define CONFIG_SCLK_HZ          ( CONFIG_VCO_HZ / CONFIG_SCLK_DIV )
#else
#define CONFIG_CCLK_HZ          CONFIG_CLKIN_HZ
#define CONFIG_SCLK_HZ          CONFIG_CLKIN_HZ
#endif

#if (CONFIG_CCLK_DIV == 1)
#define CONFIG_CCLK_ACT_DIV   CCLK_DIV1
#endif
#if (CONFIG_CCLK_DIV == 2)
#define CONFIG_CCLK_ACT_DIV   CCLK_DIV2
#endif
#if (CONFIG_CCLK_DIV == 4)
#define CONFIG_CCLK_ACT_DIV   CCLK_DIV4
#endif
#if (CONFIG_CCLK_DIV == 8)
#define CONFIG_CCLK_ACT_DIV   CCLK_DIV8
#endif
#ifndef CONFIG_CCLK_ACT_DIV
#define CONFIG_CCLK_ACT_DIV   CONFIG_CCLK_DIV_not_defined_properly
#endif

#endif