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authorRobin Getz <robin.getz@analog.com>2007-06-21 16:34:08 +0800
committerBryan Wu <bryan.wu@analog.com>2007-06-21 16:34:08 +0800
commit669b792c77bbc30e9f4d9c95dbc918dc348c49c2 (patch)
tree2d8403e9e3cf998eda8465a322261d45e24cd26a /arch/blackfin/mach-bf548
parent29440a2b4cd37e32dfe0fa60ef1665775b24dab1 (diff)
downloadlinux-2.6.34-ux500-669b792c77bbc30e9f4d9c95dbc918dc348c49c2.tar.gz
Blackfin arch: Clean up trace buffer handling, No major functional changes.
Turns on trace earlier, so crashes at kernel start should print out a trace, making things easier to debug. Signed-off-by: Robin Getz <robin.getz@analog.com> Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Diffstat (limited to 'arch/blackfin/mach-bf548')
-rw-r--r--arch/blackfin/mach-bf548/head.S5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/blackfin/mach-bf548/head.S b/arch/blackfin/mach-bf548/head.S
index 0e1a2544739..06751ae8b85 100644
--- a/arch/blackfin/mach-bf548/head.S
+++ b/arch/blackfin/mach-bf548/head.S
@@ -29,6 +29,7 @@
#include <linux/linkage.h>
#include <asm/blackfin.h>
+#include <asm/trace.h>
#if CONFIG_BFIN_KERNEL_CLOCK
#include <asm/mach/mem_init.h>
#endif
@@ -91,6 +92,10 @@ ENTRY(__stext)
M2 = r0;
M3 = r0;
+ trace_buffer_start(p0,r0);
+ P0 = R1;
+ R0 = R1;
+
/* Turn off the icache */
p0.l = (IMEM_CONTROL & 0xFFFF);
p0.h = (IMEM_CONTROL >> 16);