android_kernel_motorola_sm6225/arch/blackfin/mach-common/arch_checks.c
Mike Frysinger a086ee2268 [Blackfin] arch: detect the memory available in the system on the fly by default
detect the memory available in the system on the fly by default
rather than forcing people to set this manually in the kconfig

Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
2008-04-25 02:04:05 +08:00

61 lines
2.1 KiB
C

/*
* 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 */
#ifdef CONFIG_MEM_SIZE
#if (CONFIG_MEM_SIZE % 4)
#error "SDRAM mem size must be multible of 4MB"
#endif
#endif