[POWERPC] 4xx: Add early udbg support for 40x processors
This adds some basic real mode based early udbg support for 40x in order to debug things more easily Signed-off-by:Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by:
Josh Boyer <jwboyer@linux.vnet.ibm.com>
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- arch/powerpc/Kconfig.debug 13 additions, 0 deletionsarch/powerpc/Kconfig.debug
- arch/powerpc/kernel/misc_32.S 39 additions, 0 deletionsarch/powerpc/kernel/misc_32.S
- arch/powerpc/kernel/udbg.c 3 additions, 0 deletionsarch/powerpc/kernel/udbg.c
- arch/powerpc/kernel/udbg_16550.c 33 additions, 0 deletionsarch/powerpc/kernel/udbg_16550.c
- arch/powerpc/platforms/Kconfig.cputype 1 addition, 0 deletionsarch/powerpc/platforms/Kconfig.cputype
- include/asm-powerpc/udbg.h 1 addition, 0 deletionsinclude/asm-powerpc/udbg.h
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