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authorRobin Getz <robin.getz@analog.com>2007-10-09 17:31:46 +0800
committerBryan Wu <bryan.wu@analog.com>2007-10-09 17:31:46 +0800
commit337d390b3a9c1ce92a12bdb77b9ae6ded6273b12 (patch)
tree2c870e325162c3d1a66390fb6d6db3e92de9e2eb /arch/blackfin/mach-bf548/head.S
parentBlackfin arch: Enable earlyprintk earlier - so any error after our interrupt tables are set up will print out (diff)
downloadlinux-dev-337d390b3a9c1ce92a12bdb77b9ae6ded6273b12.tar.xz
linux-dev-337d390b3a9c1ce92a12bdb77b9ae6ded6273b12.zip
Blackfin arch: Print out debug info, as early as possible
Print out debug info, as early as possible - even before the kernel initializes the interrupt vectors. Now we can print out debug messages almost anytime during the boot process. 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/mach-bf548/head.S6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/blackfin/mach-bf548/head.S b/arch/blackfin/mach-bf548/head.S
index 532ed0930b5e..3071c243d426 100644
--- a/arch/blackfin/mach-bf548/head.S
+++ b/arch/blackfin/mach-bf548/head.S
@@ -125,6 +125,12 @@ ENTRY(__stext)
FP = SP;
USP = SP;
+#ifdef CONFIG_EARLY_PRINTK
+ SP += -12;
+ call _init_early_exception_vectors;
+ SP += 12;
+#endif
+
/* Put The Code for PLL Programming and SDRAM Programming in L1 ISRAM */
call _bf53x_relocate_l1_mem;
#if CONFIG_BFIN_KERNEL_CLOCK