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[POWERPC] Early serial debug support for PPC44x
authorDavid Gibson <david@gibson.dropbear.id.au>
Tue, 8 May 2007 02:59:31 +0000 (12:59 +1000)
committerPaul Mackerras <paulus@samba.org>
Tue, 8 May 2007 04:47:33 +0000 (14:47 +1000)
commitd9b55a03611ff2e2e54fb4e1ad2648d5eb870fa3
tree5704be539afcd6f29b1f5751476c8b4f53673bfftree | snapshot
parentf6dfc80554b27da11dbb36ebae166b23ec3aa9cacommit | diff
[POWERPC] Early serial debug support for PPC44x

This adds support for early serial debugging via the built in
port on IBM/AMCC PowerPC 44x CPUs.  It uses a bolted TLB entry in
address space 1 for the UART's mapping, allowing robust debugging both
before and after the initialization of the MMU.

Signed-off-by: David Gibson <dwg@au1.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
arch/powerpc/Kconfig.debug diff | blob | history
arch/powerpc/kernel/head_44x.S diff | blob | history
arch/powerpc/kernel/of_platform.c diff | blob | history
arch/powerpc/kernel/udbg.c diff | blob | history
arch/powerpc/kernel/udbg_16550.c diff | blob | history
arch/powerpc/platforms/44x/44x.h diff | blob | history
arch/powerpc/platforms/44x/misc_44x.S diff | blob | history
include/asm-powerpc/mmu-44x.h diff | blob | history
include/asm-powerpc/udbg.h diff | blob | history
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