commit d9b55a03611ff2e2e54fb4e1ad2648d5eb870fa3
author David Gibson <david@gibson.dropbear.id.au> Tue May 08 12:59:31 2007 +1000
committer Paul Mackerras <paulus@samba.org> Tue May 08 14:47:33 2007 +1000
tree 5704be539afcd6f29b1f5751476c8b4f53673bff
parent f6dfc80554b27da11dbb36ebae166b23ec3aa9ca

[POWERPC] Early serial debug support for PPC44x

This adds support for early serial debugging via the built in
port on IBM/AMCC PowerPC 44x CPUs.  It uses a bolted TLB entry in
address space 1 for the UART's mapping, allowing robust debugging both
before and after the initialization of the MMU.

Signed-off-by: David Gibson <dwg@au1.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>

include/asm-powerpc/udbg.h

diff --git a/include/asm-powerpc/udbg.h b/include/asm-powerpc/udbg.h
index d03d855..ce9d82f 100644
--- a/include/asm-powerpc/udbg.h
+++ b/include/asm-powerpc/udbg.h
@@ -47,6 +47,7 @@
 extern void __init udbg_init_rtas_console(void);
 extern void __init udbg_init_debug_beat(void);
 extern void __init udbg_init_btext(void);
+extern void __init udbg_init_44x_as1(void);
 
 #endif /* __KERNEL__ */
 #endif /* _ASM_POWERPC_UDBG_H */