| /* |
| * Do some checking to make sure things are OK |
| * |
| * Copyright 2007-2010 Analog Devices Inc. |
| * |
| * Licensed under the GPL-2 or later. |
| */ |
| |
| #include <asm/fixed_code.h> |
| #include <mach/anomaly.h> |
| #include <asm/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_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_DCACHEABLE)) || \ |
| (!defined(CONFIG_BFIN_EXTMEM_DCACHEABLE) && defined(CONFIG_BFIN_L2_WRITEBACK))) |
| # error You are exposing Anomaly 220 in this config, either config L2 as Write Through, or make External Memory WB. |
| #endif |
| |
| #if ANOMALY_05000475 && \ |
| (defined(CONFIG_BFIN_EXTMEM_WRITEBACK) || defined(CONFIG_BFIN_L2_WRITEBACK)) |
| # error "Anomaly 475 does not allow you to use Write Back cache with L2 or External Memory" |
| #endif |