/* * 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. * */ #ifndef _BLACKFIN_H_ #define _BLACKFIN_H_ #define lo(con32) ((con32) & 0xFFFF) #define hi(con32) (((con32) >> 16) & 0xFFFF) #ifdef CONFIG_BF561 #include #include #ifndef __ASSEMBLY__ #include #include #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