diff options
Diffstat (limited to 'arch/blackfin/mach-common/arch_checks.c')
| -rw-r--r-- | arch/blackfin/mach-common/arch_checks.c | 62 |
1 files changed, 34 insertions, 28 deletions
diff --git a/arch/blackfin/mach-common/arch_checks.c b/arch/blackfin/mach-common/arch_checks.c index 2f6ce397780..d8643fdd0fc 100644 --- a/arch/blackfin/mach-common/arch_checks.c +++ b/arch/blackfin/mach-common/arch_checks.c @@ -1,34 +1,14 @@ /* - * File: arch/blackfin/mach-common/arch_checks.c - * Based on: - * Author: Robin Getz <rgetz@blackfin.uclinux.org> + * Do some checking to make sure things are OK * - * Created: 25Jul07 - * Description: Do some checking to make sure things are OK + * Copyright 2007-2010 Analog Devices Inc. * - * 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 + * Licensed under the GPL-2 or later. */ -#include <asm/mach/anomaly.h> -#include <asm/mach-common/clocks.h> +#include <asm/fixed_code.h> +#include <mach/anomaly.h> +#include <asm/clocks.h> #ifdef CONFIG_BFIN_KERNEL_CLOCK @@ -54,7 +34,33 @@ #endif /* CONFIG_BFIN_KERNEL_CLOCK */ -#if (CONFIG_MEM_SIZE % 4) -#error "SDRAM mem size must be multible of 4MB" +#if CONFIG_BOOT_LOAD < FIXED_CODE_END +# error "The kernel load address must be after the fixed code section" +#endif + +#if (CONFIG_BOOT_LOAD & 0x3) +# error "The kernel load address must be 4 byte aligned" +#endif + +/* The entire kernel must be able to make a 24bit pcrel call to start of L1 */ +#if ((0xffffffff - L1_CODE_START + 1) + CONFIG_BOOT_LOAD) > 0x1000000 +# error "The kernel load address is too high; keep it below 10meg for safety" #endif +#if ANOMALY_05000263 && defined(CONFIG_MPU) +# error the MPU will not function safely while Anomaly 05000263 applies +#endif + +#if ANOMALY_05000448 +# error You are using a part with anomaly 05000448, this issue causes random memory read/write failures - that means random crashes. +#endif + +/* if 220 exists, can not set External Memory WB and L2 not_cached, either External Memory not_cached and L2 WB */ +#if ANOMALY_05000220 && \ + (defined(CONFIG_BFIN_EXTMEM_WRITEBACK) || defined(CONFIG_BFIN_L2_WRITEBACK)) +# error "Anomaly 05000220 does not allow you to use Write Back cache with L2 or External Memory" +#endif + +#if ANOMALY_05000491 && !defined(CONFIG_ICACHE_FLUSH_L1) +# error You need IFLUSH in L1 inst while Anomaly 05000491 applies +#endif |