79 lines
2.1 KiB
C
79 lines
2.1 KiB
C
/*
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* barebox - blackfin.h
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*
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* Copyright (c) 2005 blackfin.uclinux.org
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#ifndef _BLACKFIN_H_
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#define _BLACKFIN_H_
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#define lo(con32) ((con32) & 0xFFFF)
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#define hi(con32) (((con32) >> 16) & 0xFFFF)
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#ifdef CONFIG_BF561
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#include <asm/cpu/defBF561.h>
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#include <asm/cpu/defBF561_extn.h>
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#ifndef __ASSEMBLY__
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#include <asm/cpu/cdef_LPBlackfin.h>
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#include <asm/cpu/cdefBF561.h>
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#endif
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#endif
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#ifndef __ASSEMBLY__
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/* Get the System clock */
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ulong get_sclk(void);
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#endif
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#if ( CONFIG_CLKIN_HALF == 0 )
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#define CONFIG_VCO_HZ ( CONFIG_CLKIN_HZ * CONFIG_VCO_MULT )
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#else
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#define CONFIG_VCO_HZ (( CONFIG_CLKIN_HZ * CONFIG_VCO_MULT ) / 2 )
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#endif
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#if (CONFIG_PLL_BYPASS == 0)
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#define CONFIG_CCLK_HZ ( CONFIG_VCO_HZ / CONFIG_CCLK_DIV )
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#define CONFIG_SCLK_HZ ( CONFIG_VCO_HZ / CONFIG_SCLK_DIV )
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#else
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#define CONFIG_CCLK_HZ CONFIG_CLKIN_HZ
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#define CONFIG_SCLK_HZ CONFIG_CLKIN_HZ
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#endif
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#if (CONFIG_CCLK_DIV == 1)
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#define CONFIG_CCLK_ACT_DIV CCLK_DIV1
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#endif
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#if (CONFIG_CCLK_DIV == 2)
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#define CONFIG_CCLK_ACT_DIV CCLK_DIV2
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#endif
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#if (CONFIG_CCLK_DIV == 4)
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#define CONFIG_CCLK_ACT_DIV CCLK_DIV4
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#endif
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#if (CONFIG_CCLK_DIV == 8)
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#define CONFIG_CCLK_ACT_DIV CCLK_DIV8
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#endif
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#ifndef CONFIG_CCLK_ACT_DIV
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#define CONFIG_CCLK_ACT_DIV CONFIG_CCLK_DIV_not_defined_properly
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#endif
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#endif
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