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powerpc: Add a configuration option for early BootX/OpenFirmware debug

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Signed-off-by: Alistair Popple <alistair@popple.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Alistair Popple 2013-04-29 13:42:43 +10:00 • committed by Benjamin Herrenschmidt
parent 0962e8004e
commit 071df9422a
2 changed files with 8 additions and 1 deletions
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7
arch/powerpc/Kconfig.debug
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@ -147,6 +147,13 @@ choice
enable debugging for the wrong type of machine your kernel enable debugging for the wrong type of machine your kernel
_will not boot_. _will not boot_.
config PPC_EARLY_DEBUG_BOOTX
bool "BootX or OpenFirmware"
depends on BOOTX_TEXT
help
Select this to enable early debugging for a machine using BootX
or OpenFirmware.
config PPC_EARLY_DEBUG_LPAR config PPC_EARLY_DEBUG_LPAR
bool "LPAR HV Console" bool "LPAR HV Console"
depends on PPC_PSERIES depends on PPC_PSERIES

2
arch/powerpc/kernel/udbg.c
View file

@ -50,7 +50,7 @@ void __init udbg_early_init(void)
udbg_init_debug_beat(); udbg_init_debug_beat();
#elif defined(CONFIG_PPC_EARLY_DEBUG_PAS_REALMODE) #elif defined(CONFIG_PPC_EARLY_DEBUG_PAS_REALMODE)
udbg_init_pas_realmode(); udbg_init_pas_realmode();
#elif defined(CONFIG_BOOTX_TEXT) #elif defined(CONFIG_PPC_EARLY_DEBUG_BOOTX)
udbg_init_btext(); udbg_init_btext();
#elif defined(CONFIG_PPC_EARLY_DEBUG_44x) #elif defined(CONFIG_PPC_EARLY_DEBUG_44x)
/* PPC44x debug */ /* PPC44x debug */