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[PATCH] powerpc: Unify udbg (#2)

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This patch unifies udbg for both ppc32 and ppc64 when building the
merged achitecture. xmon now has a single "back end". The powermac udbg
stuff gets enriched with some ADB capabilities and btext output. In
addition, the early_init callback is now called on ppc32 as well,
approx. in the same order as ppc64 regarding device-tree manipulations.
The init sequences of ppc32 and ppc64 are getting closer, I'll unify
them in a later patch.

For now, you can force udbg to the scc using "sccdbg" or to btext using
"btextdbg" on powermacs. I'll implement a cleaner way of forcing udbg
output to something else than the autodetected OF output device in a
later patch.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Benjamin Herrenschmidt
2005-11-23 17:57:25 +11:00
committed by Paul Mackerras
parent 463ce0e103
commit 51d3082fe6
29 changed files with 627 additions and 720 deletions
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2
include/asm-ppc/btext.h
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@@ -17,7 +17,7 @@ extern unsigned long disp_BAT[2];
extern boot_infos_t disp_bi;
extern int boot_text_mapped;
extern void init_boot_display(void);
extern void btext_init(boot_infos_t *bi);
extern void btext_welcome(void);
extern void btext_prepare_BAT(void);
extern void btext_setup_display(int width, int height, int depth, int pitch,