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authorRobin Getz <robin.getz@analog.com>2007-06-21 04:34:08 -0400
committerBryan Wu <bryan.wu@analog.com>2007-06-21 04:34:08 -0400
commit669b792c77bbc30e9f4d9c95dbc918dc348c49c2 (patch)
tree2d8403e9e3cf998eda8465a322261d45e24cd26a /arch/blackfin/mach-bf537/head.S
parent29440a2b4cd37e32dfe0fa60ef1665775b24dab1 (diff)
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-bf537/head.S')
-rw-r--r--arch/blackfin/mach-bf537/head.S6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/blackfin/mach-bf537/head.S b/arch/blackfin/mach-bf537/head.S
index 7d902bbd860f..429c8a1019da 100644
--- a/arch/blackfin/mach-bf537/head.S
+++ b/arch/blackfin/mach-bf537/head.S
@@ -30,6 +30,8 @@
30#include <linux/linkage.h> 30#include <linux/linkage.h>
31#include <linux/init.h> 31#include <linux/init.h>
32#include <asm/blackfin.h> 32#include <asm/blackfin.h>
33#include <asm/trace.h>
34
33#if CONFIG_BFIN_KERNEL_CLOCK 35#if CONFIG_BFIN_KERNEL_CLOCK
34#include <asm/mach/mem_init.h> 36#include <asm/mach/mem_init.h>
35#endif 37#endif
@@ -93,6 +95,10 @@ ENTRY(__start)
93 M2 = r0; 95 M2 = r0;
94 M3 = r0; 96 M3 = r0;
95 97
98 trace_buffer_start(p0,r0);
99 P0 = R1;
100 R0 = R1;
101
96 /* Turn off the icache */ 102 /* Turn off the icache */
97 p0.l = (IMEM_CONTROL & 0xFFFF); 103 p0.l = (IMEM_CONTROL & 0xFFFF);
98 p0.h = (IMEM_CONTROL >> 16); 104 p0.h = (IMEM_CONTROL >> 16);