1/*
2 * Do some checking to make sure things are OK
3 *
4 * Copyright 2007-2010 Analog Devices Inc.
5 *
6 * Licensed under the GPL-2 or later.
7 */
8
9#include <asm/fixed_code.h>
10#include <mach/anomaly.h>
11#include <asm/clocks.h>
12
13#ifdef CONFIG_BFIN_KERNEL_CLOCK
14
15# if (CONFIG_VCO_HZ > CONFIG_MAX_VCO_HZ)
16#  error "VCO selected is more than maximum value. Please change the VCO multipler"
17# endif
18
19# if (CONFIG_SCLK_HZ > CONFIG_MAX_SCLK_HZ)
20# error "Sclk value selected is more than maximum. Please select a proper value for SCLK multiplier"
21# endif
22
23# if (CONFIG_SCLK_HZ < CONFIG_MIN_SCLK_HZ)
24# error "Sclk value selected is less than minimum. Please select a proper value for SCLK multiplier"
25# endif
26
27# if (ANOMALY_05000273) && (CONFIG_SCLK_HZ * 2 > CONFIG_CCLK_HZ)
28# error "ANOMALY 05000273, please make sure CCLK is at least 2x SCLK"
29# endif
30
31# if (CONFIG_SCLK_HZ > CONFIG_CCLK_HZ) && (CONFIG_SCLK_HZ != CONFIG_CLKIN_HZ) && (CONFIG_CCLK_HZ != CONFIG_CLKIN_HZ)
32# error "Please select sclk less than cclk"
33# endif
34
35#endif /* CONFIG_BFIN_KERNEL_CLOCK */
36
37#if CONFIG_BOOT_LOAD < FIXED_CODE_END
38# error "The kernel load address must be after the fixed code section"
39#endif
40
41#if (CONFIG_BOOT_LOAD & 0x3)
42# error "The kernel load address must be 4 byte aligned"
43#endif
44
45/* The entire kernel must be able to make a 24bit pcrel call to start of L1 */
46#if ((0xffffffff - L1_CODE_START + 1) + CONFIG_BOOT_LOAD) > 0x1000000
47# error "The kernel load address is too high; keep it below 10meg for safety"
48#endif
49
50#if ANOMALY_05000263 && defined(CONFIG_MPU)
51# error the MPU will not function safely while Anomaly 05000263 applies
52#endif
53
54#if ANOMALY_05000448
55# error You are using a part with anomaly 05000448, this issue causes random memory read/write failures - that means random crashes.
56#endif
57
58/* if 220 exists, can not set External Memory WB and L2 not_cached, either External Memory not_cached and L2 WB */
59#if ANOMALY_05000220 && \
60	(defined(CONFIG_BFIN_EXTMEM_WRITEBACK) || defined(CONFIG_BFIN_L2_WRITEBACK))
61# error "Anomaly 05000220 does not allow you to use Write Back cache with L2 or External Memory"
62#endif
63
64#if ANOMALY_05000491 && !defined(CONFIG_ICACHE_FLUSH_L1)
65# error You need IFLUSH in L1 inst while Anomaly 05000491 applies
66#endif
67