[POWERPC] 4xx: Add early udbg support for 40x processors
commit9dae8afdf212d39bc7c25f1b1ca9b10f10f6beaa
authorBenjamin Herrenschmidt <benh@kernel.crashing.org>
Fri, 21 Dec 2007 04:39:26 +0000 (21 15:39 +1100)
committerJosh Boyer <jwboyer@linux.vnet.ibm.com>
Sun, 23 Dec 2007 19:13:03 +0000 (23 13:13 -0600)
tree12721945adf3a3fc01ba292e1756af4826a7eed3
parent69c0785112921a43739495a68f459fde88a9bbd8
[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>
arch/powerpc/Kconfig.debug
arch/powerpc/kernel/misc_32.S
arch/powerpc/kernel/udbg.c
arch/powerpc/kernel/udbg_16550.c
arch/powerpc/platforms/Kconfig.cputype
include/asm-powerpc/udbg.h