[IA64-SGI] Bus driver for the CX port of SGI's TIO chip.

This patch is to provide CX port infrastructure for SGI TIO-based
h/w.   Also a 'core services' driver for SGI FPGA-based h/w.
                                                                                
Signed-off-by: Bruce Losure <blosure@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>

arch/ia64/configs/sn2_defconfig

@@ -574,6 +574,8 @@ CONFIG_SERIAL_NONSTANDARD=y
 # CONFIG_N_HDLC is not set
 # CONFIG_STALDRV is not set
 CONFIG_SGI_SNSC=y
+CONFIG_SGI_TIOCX=y
+CONFIG_SGI_MBCS=m
 
 #
 # Serial drivers

arch/ia64/sn/kernel/Makefile

@@ -10,3 +10,4 @@
 obj-y				+= setup.o bte.o bte_error.o irq.o mca.o idle.o \
 				   huberror.o io_init.o iomv.o klconflib.o sn2/
 obj-$(CONFIG_IA64_GENERIC)      += machvec.o
+obj-$(CONFIG_SGI_TIOCX)		+= tiocx.o

drivers/char/Kconfig

@@ -399,6 +399,20 @@ config SGI_SNSC
 	  controller communication from user space (you want this!),
 	  say Y.  Otherwise, say N.
 
+config SGI_TIOCX
+       bool "SGI TIO CX driver support"
+       depends on (IA64_SGI_SN2 || IA64_GENERIC)
+       help
+         If you have an SGI Altix and you have fpga devices attached
+         to your TIO, say Y here, otherwise say N.
+
+config SGI_MBCS
+       tristate "SGI FPGA Core Services driver support"
+       depends on (IA64_SGI_SN2 || IA64_GENERIC)
+       help
+         If you have an SGI Altix with an attached SABrick
+         say Y or M here, otherwise say N.
+
 source "drivers/serial/Kconfig"
 
 config UNIX98_PTYS

drivers/char/Makefile

@@ -47,6 +47,7 @@ obj-$(CONFIG_MMTIMER)		+= mmtimer.o
 obj-$(CONFIG_VIOCONS) += viocons.o
 obj-$(CONFIG_VIOTAPE)		+= viotape.o
 obj-$(CONFIG_HVCS)		+= hvcs.o
+obj-$(CONFIG_SGI_MBCS)		+= mbcs.o
 
 obj-$(CONFIG_PRINTER) += lp.o
 obj-$(CONFIG_TIPAR) += tipar.o