Blackfin: include system/processor info in dump messages

People often copy & paste crash messages without surrounding context, so
include common useful information like system/processor stats in the crash
summary.  This should smooth over the report/test cycle a bit more.

Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

1 files changed, 23 insertions, 0 deletions

diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c
index 778a75655a0c..35f675f5ca16 100644
--- a/arch/blackfin/kernel/traps.c
+++ b/arch/blackfin/kernel/traps.c
@@ -1080,6 +1080,29 @@ void show_regs(struct pt_regs *fp)
         unsigned int cpu = smp_processor_id();
         unsigned char in_atomic = (bfin_read_IPEND() & 0x10) || in_atomic();
 
+        verbose_printk(KERN_NOTICE "\n");
+        if (CPUID != bfin_cpuid())
+                verbose_printk(KERN_NOTICE "Compiled for cpu family 0x%04x (Rev %d), "
+                        "but running on:0x%04x (Rev %d)\n",
+                        CPUID, bfin_compiled_revid(), bfin_cpuid(), bfin_revid());
+
+        verbose_printk(KERN_NOTICE "ADSP-%s-0.%d",
+                CPU, bfin_compiled_revid());
+
+        if (bfin_compiled_revid() !=  bfin_revid())
+                verbose_printk("(Detected 0.%d)", bfin_revid());
+
+        verbose_printk(" %lu(MHz CCLK) %lu(MHz SCLK) (%s)\n",
+                get_cclk()/1000000, get_sclk()/1000000,
+#ifdef CONFIG_MPU
+                "mpu on"
+#else
+                "mpu off"
+#endif
+                );
+
+        verbose_printk(KERN_NOTICE "%s", linux_banner);
+
         verbose_printk(KERN_NOTICE "\n" KERN_NOTICE "SEQUENCER STATUS:\t\t%s\n", print_tainted());
         verbose_printk(KERN_NOTICE " SEQSTAT: %08lx  IPEND: %04lx  SYSCFG: %04lx\n",
                 (long)fp->seqstat, fp->ipend, fp->syscfg);