2007-08-03 04:07:17 -06:00
|
|
|
/*
|
|
|
|
|
* 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 */
|
2007-10-10 09:55:26 -06:00
|
|
|
|
2008-04-24 12:04:05 -06:00
|
|
|
#ifdef CONFIG_MEM_SIZE
|
2007-10-10 09:55:26 -06:00
|
|
|
#if (CONFIG_MEM_SIZE % 4)
|
|
|
|
|
#error "SDRAM mem size must be multible of 4MB"
|
|
|
|
|
#endif
|
2008-04-24 12:04:05 -06:00
|
|
|
#endif
|
