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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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3
arch/ppc/kernel/setup.c
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@@ -744,6 +744,9 @@ void __init setup_arch(char **cmdline_p)
/* so udelay does something sensible, assume <= 1000 bogomips */
loops_per_jiffy = 500000000 / HZ;
if (ppc_md.init_early)
ppc_md.init_early();
#ifdef CONFIG_PPC_MULTIPLATFORM
/* This could be called "early setup arch", it must be done
* now because xmon need it