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 @@ | |||
1 | /* | ||
2 | * File: arch/blackfin/mach-common/arch_checks.c | ||
3 | * Based on: | ||
4 | * Author: Robin Getz <rgetz@blackfin.uclinux.org> | ||
5 | * | ||
6 | * Created: 25Jul07 | ||
7 | * Description: Do some checking to make sure things are OK | ||
8 | * | ||
9 | * Modified: | ||
10 | * Copyright 2004-2007 Analog Devices Inc. | ||
11 | * | ||
12 | * Bugs: Enter bugs at http://blackfin.uclinux.org/ | ||
13 | * | ||
14 | * This program is free software; you can redistribute it and/or modify | ||
15 | * it under the terms of the GNU General Public License as published by | ||
16 | * the Free Software Foundation; either version 2 of the License, or | ||
17 | * (at your option) any later version. | ||
18 | * | ||
19 | * This program is distributed in the hope that it will be useful, | ||
20 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
22 | * GNU General Public License for more details. | ||
23 | * | ||
24 | * You should have received a copy of the GNU General Public License | ||
25 | * along with this program; if not, see the file COPYING, or write | ||
26 | * to the Free Software Foundation, Inc., | ||
27 | * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
28 | */ | ||
29 | |||
30 | #include <asm/mach/anomaly.h> | ||
31 | #include <asm/mach-common/clocks.h> | ||
32 | |||
33 | #ifdef CONFIG_BFIN_KERNEL_CLOCK | ||
34 | |||
35 | # if (CONFIG_VCO_HZ > CONFIG_MAX_VCO_HZ) | ||
36 | # error "VCO selected is more than maximum value. Please change the VCO multipler" | ||
37 | # endif | ||
38 | |||
39 | # if (CONFIG_SCLK_HZ > CONFIG_MAX_SCLK_HZ) | ||
40 | # error "Sclk value selected is more than maximum. Please select a proper value for SCLK multiplier" | ||
41 | # endif | ||
42 | |||
43 | # if (CONFIG_SCLK_HZ < CONFIG_MIN_SCLK_HZ) | ||
44 | # error "Sclk value selected is less than minimum. Please select a proper value for SCLK multiplier" | ||
45 | # endif | ||
46 | |||
47 | # if (ANOMALY_05000273) && (CONFIG_SCLK_HZ * 2 > CONFIG_CCLK_HZ) | ||
48 | # error "ANOMALY 05000273, please make sure CCLK is at least 2x SCLK" | ||
49 | # endif | ||
50 | |||
51 | # if (CONFIG_SCLK_HZ > CONFIG_CCLK_HZ) && (CONFIG_SCLK_HZ != CONFIG_CLKIN_HZ) && (CONFIG_CCLK_HZ != CONFIG_CLKIN_HZ) | ||
52 | # error "Please select sclk less than cclk" | ||
53 | # endif | ||
54 | |||
55 | #endif /* CONFIG_BFIN_KERNEL_CLOCK */ | ||
56 | |||
57 | #if (CONFIG_MEM_SIZE % 4) | ||
58 | #error "SDRAM mem size must be multible of 4MB" | ||
59 | #endif | ||
60 | |||