parisc: Document the fw_cfg opt/pdc_debug option
Enable firmware debug info at startup with this option:
-fw_cfg pdc_debug,string=<val>
<val> is an integer with this bitmask:
DEBUG_PDC 0x0001, enables debug info for PDC calls
DEBUG_IODC 0x0002, enables debug info for IODC calls
Signed-off-by: Helge Deller <deller@gmx.de>
diff --git a/src/parisc/parisc.c b/src/parisc/parisc.c
index 2634b62..45dfe4b 100644
--- a/src/parisc/parisc.c
+++ b/src/parisc/parisc.c
@@ -1804,6 +1804,7 @@
powersw_ptr = (int *) (unsigned long)
romfile_loadint("/etc/power-button-addr", (unsigned long)&powersw_nop);
+ /* use -fw_cfg opt/pdc_debug,string=255 to enable all firmware debug infos */
pdc_debug = romfile_loadstring_to_int("opt/pdc_debug", 0);
/* Initialize PAGE0 */
