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authorRobin Getz <robin.getz@analog.com>2007-10-29 18:12:15 +0800
committerBryan Wu <bryan.wu@analog.com>2007-10-29 18:12:15 +0800
commit7728ec33faf88605fb871b9b0ecf8e45d4359678 (patch)
tree7d94f5701aa4ca30f26308ec56c41c09c992f569 /arch/blackfin
parentBlackfin arch: add support for checking/clearing overruns in generic purpose Timer API (diff)
downloadlinux-dev-7728ec33faf88605fb871b9b0ecf8e45d4359678.tar.xz
linux-dev-7728ec33faf88605fb871b9b0ecf8e45d4359678.zip
Blackfin arch: fix bug: tell users if the kernel is recovering from a fault condition
Signed-off-by: Robin Getz <robin.getz@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Diffstat (limited to '')
-rw-r--r--arch/blackfin/kernel/setup.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c
index f1b059e5a06c..fc22ec8c2f47 100644
--- a/arch/blackfin/kernel/setup.c
+++ b/arch/blackfin/kernel/setup.c
@@ -316,6 +316,15 @@ void __init setup_arch(char **cmdline_p)
init_leds();
+ _bfin_swrst = bfin_read_SWRST();
+
+ if (_bfin_swrst & RESET_DOUBLE)
+ printk(KERN_INFO "Recovering from Double Fault event\n");
+ else if (_bfin_swrst & RESET_WDOG)
+ printk(KERN_INFO "Recovering from Watchdog event\n");
+ else if (_bfin_swrst & RESET_SOFTWARE)
+ printk(KERN_NOTICE "Reset caused by Software reset\n");
+
printk(KERN_INFO "Blackfin support (C) 2004-2007 Analog Devices, Inc.\n");
if (bfin_compiled_revid() == 0xffff)
printk(KERN_INFO "Compiled for ADSP-%s Rev any\n", CPU);
@@ -402,8 +411,6 @@ void __init setup_arch(char **cmdline_p)
if (l1_length > L1_DATA_A_LENGTH)
panic("L1 data memory overflow\n");
- _bfin_swrst = bfin_read_SWRST();
-
/* Copy atomic sequences to their fixed location, and sanity check that
these locations are the ones that we advertise to userspace. */
memcpy((void *)FIXED_CODE_START, &fixed_code_start,