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authorDavid Gibson <david@gibson.dropbear.id.au>2007-05-08 12:59:31 +1000
committerPaul Mackerras <paulus@samba.org>2007-05-08 14:47:33 +1000
commitd9b55a03611ff2e2e54fb4e1ad2648d5eb870fa3 (patch)
tree5704be539afcd6f29b1f5751476c8b4f53673bff /include/asm-powerpc/udbg.h
parentf6dfc80554b27da11dbb36ebae166b23ec3aa9ca (diff)
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[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>
Diffstat (limited to 'include/asm-powerpc/udbg.h')
-rw-r--r--include/asm-powerpc/udbg.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-powerpc/udbg.h b/include/asm-powerpc/udbg.h
index d03d8557f706..ce9d82fb7b68 100644
--- a/include/asm-powerpc/udbg.h
+++ b/include/asm-powerpc/udbg.h
@@ -47,6 +47,7 @@ extern void __init udbg_init_rtas_panel(void);
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 */