diff options
| author | Sonic Zhang <sonic.zhang@analog.com> | 2009-05-07 12:04:19 +0200 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2009-06-12 12:11:35 +0200 |
| commit | 7f3aee3c187641ec7c7e260d9cabb71ac4ac9f7c (patch) | |
| tree | f4c43c51e75bf5c74bf73da44e3d2d0789d7e340 /arch/blackfin/kernel | |
| parent | Blackfin: do not append newlines to panic() messages (diff) | |
| download | linux-7f3aee3c187641ec7c7e260d9cabb71ac4ac9f7c.tar.xz linux-7f3aee3c187641ec7c7e260d9cabb71ac4ac9f7c.zip | |
Blackfin: detect anomaly 05000274
Detect and reject operating conditions for anomaly 05000274 since the
problem cannot be worked around in software.
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'arch/blackfin/kernel')
| -rw-r--r-- | arch/blackfin/kernel/setup.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c index 5a4a03670085..dc30e0aa54cd 100644 --- a/arch/blackfin/kernel/setup.c +++ b/arch/blackfin/kernel/setup.c @@ -801,10 +801,8 @@ void __init setup_arch(char **cmdline_p) cclk = get_cclk(); sclk = get_sclk(); -#if !defined(CONFIG_BFIN_KERNEL_CLOCK) - if (ANOMALY_05000273 && cclk == sclk) - panic("ANOMALY 05000273, SCLK can not be same as CCLK"); -#endif + if ((ANOMALY_05000273 || ANOMALY_05000274) && (cclk >> 1) < sclk) + panic("ANOMALY 05000273 or 05000274: CCLK must be >= 2*SCLK"); #ifdef BF561_FAMILY if (ANOMALY_05000266) { @@ -903,9 +901,6 @@ void __init setup_arch(char **cmdline_p) printk(KERN_INFO "Processor Speed: %lu MHz core clock and %lu MHz System Clock\n", cclk / 1000000, sclk / 1000000); - if (ANOMALY_05000273 && (cclk >> 1) <= sclk) - printk("\n\n\nANOMALY_05000273: CCLK must be >= 2*SCLK !!!\n\n\n"); - setup_bootmem_allocator(); paging_init(); |