From 7728ec33faf88605fb871b9b0ecf8e45d4359678 Mon Sep 17 00:00:00 2001 From: Robin Getz Date: Mon, 29 Oct 2007 18:12:15 +0800 Subject: [PATCH] Blackfin arch: fix bug: tell users if the kernel is recovering from a fault condition Signed-off-by: Robin Getz Signed-off-by: Bryan Wu --- arch/blackfin/kernel/setup.c | 11 +++++++++-- 1 file 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,