sh: Add support for SH7786 CPU subtype.

This adds preliminary support for the SH7786 CPU subtype.

While this is a dual-core CPU, only UP is supported for now. L2 cache
support is likewise not yet implemented.

More information on this particular CPU subtype is available at:

	http://www.renesas.com/fmwk.jsp?cnt=sh7786_root.jsp&fp=/products/mpumcu/superh_family/sh7780_series/sh7786_group/

Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/drivers/serial/sh-sci.h b/drivers/serial/sh-sci.h
index bb9fe12..d0aa82d 100644
--- a/drivers/serial/sh-sci.h
+++ b/drivers/serial/sh-sci.h
@@ -126,7 +126,8 @@
 # define SCSPTR1	0xffe10024	/* 16 bit SCIF */
 # define SCIF_ORER	0x0001		/* Overrun error bit */
 # define SCSCR_INIT(port)	0x3a	/* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */
-#elif defined(CONFIG_CPU_SUBTYPE_SH7785)
+#elif defined(CONFIG_CPU_SUBTYPE_SH7785) || \
+      defined(CONFIG_CPU_SUBTYPE_SH7786)
 # define SCSPTR0	0xffea0024	/* 16 bit SCIF */
 # define SCSPTR1	0xffeb0024	/* 16 bit SCIF */
 # define SCSPTR2	0xffec0024	/* 16 bit SCIF */
@@ -182,6 +183,7 @@
     defined(CONFIG_CPU_SUBTYPE_SH7763)  || \
     defined(CONFIG_CPU_SUBTYPE_SH7780)  || \
     defined(CONFIG_CPU_SUBTYPE_SH7785)  || \
+    defined(CONFIG_CPU_SUBTYPE_SH7786)  || \
     defined(CONFIG_CPU_SUBTYPE_SHX3)
 #define SCI_CTRL_FLAGS_REIE 0x08 /* 7750 SCIF */
 #else
@@ -413,7 +415,8 @@
 SCIF_FNS(SCFCR,                      0x0c,  8, 0x18, 16)
 #if defined(CONFIG_CPU_SUBTYPE_SH7760) || \
     defined(CONFIG_CPU_SUBTYPE_SH7780) || \
-    defined(CONFIG_CPU_SUBTYPE_SH7785)
+    defined(CONFIG_CPU_SUBTYPE_SH7785) || \
+    defined(CONFIG_CPU_SUBTYPE_SH7786)
 SCIF_FNS(SCFDR,			     0x0e, 16, 0x1C, 16)
 SCIF_FNS(SCTFDR,		     0x0e, 16, 0x1C, 16)
 SCIF_FNS(SCRFDR,		     0x0e, 16, 0x20, 16)
@@ -644,7 +647,8 @@
 		return ctrl_inw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
 	return 1;
 }
-#elif defined(CONFIG_CPU_SUBTYPE_SH7785)
+#elif defined(CONFIG_CPU_SUBTYPE_SH7785) || \
+      defined(CONFIG_CPU_SUBTYPE_SH7786)
 static inline int sci_rxd_in(struct uart_port *port)
 {
 	if (port->mapbase == 0xffea0000)
@@ -746,7 +750,8 @@
  */
 
 #if defined(CONFIG_CPU_SUBTYPE_SH7780) || \
-    defined(CONFIG_CPU_SUBTYPE_SH7785)
+    defined(CONFIG_CPU_SUBTYPE_SH7785) || \
+    defined(CONFIG_CPU_SUBTYPE_SH7786)
 #define SCBRR_VALUE(bps, clk) ((clk+16*bps)/(16*bps)-1)
 #elif defined(CONFIG_CPU_SUBTYPE_SH7705) || \
       defined(CONFIG_CPU_SUBTYPE_SH7720) || \