linux/arch/blackfin/mach-common/arch_checks.c

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/*
* File: arch/blackfin/mach-common/arch_checks.c
* Based on:
* Author: Robin Getz <rgetz@blackfin.uclinux.org>
*
* Created: 25Jul07
* Description: Do some checking to make sure things are OK
*
* Modified:
* Copyright 2004-2007 Analog Devices Inc.
*
* Bugs: Enter bugs at http://blackfin.uclinux.org/
*
* 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, see the file COPYING, or write
* to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <asm/mach/anomaly.h>
#include <asm/mach-common/clocks.h>
#ifdef CONFIG_BFIN_KERNEL_CLOCK
# if (CONFIG_VCO_HZ > CONFIG_MAX_VCO_HZ)
# error "VCO selected is more than maximum value. Please change the VCO multipler"
# endif
# if (CONFIG_SCLK_HZ > CONFIG_MAX_SCLK_HZ)
# error "Sclk value selected is more than maximum. Please select a proper value for SCLK multiplier"
# endif
# if (CONFIG_SCLK_HZ < CONFIG_MIN_SCLK_HZ)
# error "Sclk value selected is less than minimum. Please select a proper value for SCLK multiplier"
# endif
# if (ANOMALY_05000273) && (CONFIG_SCLK_HZ * 2 > CONFIG_CCLK_HZ)
# error "ANOMALY 05000273, please make sure CCLK is at least 2x SCLK"
# endif
# if (CONFIG_SCLK_HZ > CONFIG_CCLK_HZ) && (CONFIG_SCLK_HZ != CONFIG_CLKIN_HZ) && (CONFIG_CCLK_HZ != CONFIG_CLKIN_HZ)
# error "Please select sclk less than cclk"
# endif
#endif /* CONFIG_BFIN_KERNEL_CLOCK */
#if (CONFIG_MEM_SIZE % 4)
#error "SDRAM mem size must be multible of 4MB"
#endif