arch/powerpc/Kconfig.debug

115 	  The cmdline option 'xmon' or 'xmon=early' will drop into xmon
116 	  very early during boot. 'xmon=on' will just enable the xmon
160 	bool "Support for early boot text console (BootX or OpenFirmware only)"
169 	bool "Early debugging (dangerous)"
171 	  Say Y to enable some early debugging facilities that may be available
173 	  intended to debug problems early during boot, this should not be
176 	  to be pushed to max automatically very early during boot
179 	prompt "Early debugging console"
182 	  Use the selected console for early debugging. Careful, if you
190 	  Select this to enable early debugging for a machine using BootX
197 	  Select this to enable early debugging for a machine with a HVC
204 	  Select this to enable early debugging for a machine with a HVSI
211 	  Select this to enable early debugging for Apple G5 machines.
217 	  Select this to enable early debugging via the RTAS panel.
224 	  Select this to enable early debugging via the RTAS console.
230 	  Select this to enable early debugging for Maple.
236 	  Select this to enable early debugging for PA Semi.
240 	bool "Early serial debugging for IBM/AMCC 44x CPUs"
243 	  Select this to enable early debugging for IBM 44x chips via the
248 	bool "Early serial debugging for IBM/AMCC 40x CPUs"
251 	  Select this to enable early debugging for IBM 40x chips via the
256 	bool "Early serial debugging for Freescale CPM-based serial ports"
259 	  Select this to enable early debugging for Freescale chips
264 	bool "Early debugging through the USB Gecko adapter"
268 	  Select this to enable early debugging for Nintendo GameCube/Wii
272 	bool "Early debugging through the PS3 Ethernet port"
275 	  Select this to enable early debugging for the PlayStation3 via
282 	  Select this to enable early debugging for the PowerNV platform
289 	  Select this to enable early debugging for the PowerNV platform
295 	  Select this to enable early debugging using an in memory console.
304 	  Select this to enable early debugging via Serial 16550 console
328 	hex "vterm number to use with early debug HVSI"
336 	hex "vterm number to use with OPAL early debug"
340 	  This correspond to which /dev/hvcN you want to use for early
347 	hex "Low 32 bits of early debug UART physical address"
355 	hex "EPRN of early debug UART physical address"
360 	hex "Early debug UART physical address"
365 	hex "CPM UART early debug transmit descriptor address"
372 	  used for early debug output.  Because it is needed before
377 	hex "Early debug Serial 16550 physical address"
381 	int "Early debug Serial 16550 stride"