diff options
Diffstat (limited to 'arch/blackfin/mach-common/arch_checks.c')
| -rw-r--r-- | arch/blackfin/mach-common/arch_checks.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/arch/blackfin/mach-common/arch_checks.c b/arch/blackfin/mach-common/arch_checks.c new file mode 100644 index 000000000000..2f6ce397780f --- /dev/null +++ b/arch/blackfin/mach-common/arch_checks.c @@ -0,0 +1,60 @@ +/* + * 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 + |
