serial: sh-sci: Move SCSCR_INIT in to platform data.

This moves all of the SCSCR_INIT definitions in to the platform data,
for future consolidation.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

24 files changed, 123 insertions, 26 deletions

diff --git a/arch/sh/kernel/cpu/sh2/setup-sh7619.c b/arch/sh/kernel/cpu/sh2/setup-sh7619.c
index 13798733f2db..ace016b17036 100644
--- a/arch/sh/kernel/cpu/sh2/setup-sh7619.c
+++ b/arch/sh/kernel/cpu/sh2/setup-sh7619.c
@@ -63,16 +63,19 @@ static struct plat_sci_port sci_platform_data[] = {
 	{
 		.mapbase	= 0xf8400000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type		= PORT_SCIF,
 		.irqs		= { 88, 88, 88, 88 },
 	}, {
 		.mapbase	= 0xf8410000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type		= PORT_SCIF,
 		.irqs		= { 92, 92, 92, 92 },
 	}, {
 		.mapbase	= 0xf8420000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type		= PORT_SCIF,
 		.irqs		= { 96, 96, 96, 96 },
 	}, {
diff --git a/arch/sh/kernel/cpu/sh2a/setup-mxg.c b/arch/sh/kernel/cpu/sh2a/setup-mxg.c
index 869c2da4820b..7ec658ce14f8 100644
--- a/arch/sh/kernel/cpu/sh2a/setup-mxg.c
+++ b/arch/sh/kernel/cpu/sh2a/setup-mxg.c
@@ -211,6 +211,7 @@ static struct plat_sci_port sci_platform_data[] = {
 	{
 		.mapbase	= 0xff804000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type		= PORT_SCIF,
 		.irqs		= { 220, 220, 220, 220 },
 	}, {
diff --git a/arch/sh/kernel/cpu/sh2a/setup-sh7201.c b/arch/sh/kernel/cpu/sh2a/setup-sh7201.c
index d8febe128066..2a2ac222f9c7 100644
--- a/arch/sh/kernel/cpu/sh2a/setup-sh7201.c
+++ b/arch/sh/kernel/cpu/sh2a/setup-sh7201.c
@@ -181,41 +181,49 @@ static struct plat_sci_port sci_platform_data[] = {
 	{
 		.mapbase	= 0xfffe8000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type		= PORT_SCIF,
 		.irqs		= { 180, 180, 180, 180 }
 	}, {
 		.mapbase	= 0xfffe8800,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type		= PORT_SCIF,
 		.irqs		= { 184, 184, 184, 184 }
 	}, {
 		.mapbase	= 0xfffe9000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type		= PORT_SCIF,
 		.irqs		= { 188, 188, 188, 188 }
 	}, {
 		.mapbase	= 0xfffe9800,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type		= PORT_SCIF,
 		.irqs		= { 192, 192, 192, 192 }
 	}, {
 		.mapbase	= 0xfffea000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type		= PORT_SCIF,
 		.irqs		= { 196, 196, 196, 196 }
 	}, {
 		.mapbase	= 0xfffea800,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type		= PORT_SCIF,
 		.irqs		= { 200, 200, 200, 200 }
 	}, {
 		.mapbase	= 0xfffeb000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type		= PORT_SCIF,
 		.irqs		= { 204, 204, 204, 204 }
 	}, {
 		.mapbase	= 0xfffeb800,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type		= PORT_SCIF,
 		.irqs		= { 208, 208, 208, 208 }
 	}, {
diff --git a/arch/sh/kernel/cpu/sh2a/setup-sh7203.c b/arch/sh/kernel/cpu/sh2a/setup-sh7203.c
index 62e3039d2398..2c9f3ababfd7 100644
--- a/arch/sh/kernel/cpu/sh2a/setup-sh7203.c
+++ b/arch/sh/kernel/cpu/sh2a/setup-sh7203.c
@@ -177,21 +177,25 @@ static struct plat_sci_port sci_platform_data[] = {
 	{
 		.mapbase	= 0xfffe8000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type		= PORT_SCIF,
 		.irqs		=  { 192, 192, 192, 192 },
 	}, {
 		.mapbase	= 0xfffe8800,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type		= PORT_SCIF,
 		.irqs		=  { 196, 196, 196, 196 },
 	}, {
 		.mapbase	= 0xfffe9000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type		= PORT_SCIF,
 		.irqs		=  { 200, 200, 200, 200 },
 	}, {
 		.mapbase	= 0xfffe9800,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type		= PORT_SCIF,
 		.irqs		=  { 204, 204, 204, 204 },
 	}, {
diff --git a/arch/sh/kernel/cpu/sh2a/setup-sh7206.c b/arch/sh/kernel/cpu/sh2a/setup-sh7206.c
index 3e6f3d7a58be..5a47987f3902 100644
--- a/arch/sh/kernel/cpu/sh2a/setup-sh7206.c
+++ b/arch/sh/kernel/cpu/sh2a/setup-sh7206.c
@@ -137,21 +137,25 @@ static struct plat_sci_port sci_platform_data[] = {
 	{
 		.mapbase	= 0xfffe8000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type		= PORT_SCIF,
 		.irqs		= { 240, 240, 240, 240 },
 	}, {
 		.mapbase	= 0xfffe8800,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type		= PORT_SCIF,
 		.irqs		= { 244, 244, 244, 244 },
 	}, {
 		.mapbase	= 0xfffe9000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type		= PORT_SCIF,
 		.irqs		= { 248, 248, 248, 248 },
 	}, {
 		.mapbase	= 0xfffe9800,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type		= PORT_SCIF,
 		.irqs		= { 252, 252, 252, 252 },
 	}, {
diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7705.c b/arch/sh/kernel/cpu/sh3/setup-sh7705.c
index 88f742fed9ed..28de53b281f3 100644
--- a/arch/sh/kernel/cpu/sh3/setup-sh7705.c
+++ b/arch/sh/kernel/cpu/sh3/setup-sh7705.c
@@ -71,11 +71,14 @@ static struct plat_sci_port sci_platform_data[] = {
 	{
 		.mapbase	= 0xa4410000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_TIE | SCSCR_RIE  | SCSCR_TE |
+				  SCSCR_RE  | SCSCR_CKE1 | SCSCR_CKE0,
 		.type		= PORT_SCIF,
 		.irqs		= { 56, 56, 56 },
 	}, {
 		.mapbase	= 0xa4400000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_TIE | SCSCR_RIE | SCSCR_TE | SCSCR_RE,
 		.type		= PORT_SCIF,
 		.irqs		= { 52, 52, 52 },
 	}, {
diff --git a/arch/sh/kernel/cpu/sh3/setup-sh770x.c b/arch/sh/kernel/cpu/sh3/setup-sh770x.c
index c56306798584..50ac42836dc7 100644
--- a/arch/sh/kernel/cpu/sh3/setup-sh770x.c
+++ b/arch/sh/kernel/cpu/sh3/setup-sh770x.c
@@ -110,6 +110,7 @@ static struct plat_sci_port sci_platform_data[] = {
 	{
 		.mapbase	= 0xfffffe80,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_TE | SCSCR_RE,
 		.type		= PORT_SCI,
 		.irqs		= { 23, 23, 23, 0 },
 	},
@@ -119,6 +120,7 @@ static struct plat_sci_port sci_platform_data[] = {
 	{
 		.mapbase	= 0xa4000150,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_TE | SCSCR_RE,
 		.type		= PORT_SCIF,
 		.irqs		= { 56, 56, 56, 56 },
 	},
@@ -128,6 +130,7 @@ static struct plat_sci_port sci_platform_data[] = {
 	{
 		.mapbase	= 0xa4000140,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_TE | SCSCR_RE,
 		.type		= PORT_IRDA,
 		.irqs		= { 52, 52, 52, 52 },
 	},
diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7710.c b/arch/sh/kernel/cpu/sh3/setup-sh7710.c
index efa76c8148f4..007627ecb7c8 100644
--- a/arch/sh/kernel/cpu/sh3/setup-sh7710.c
+++ b/arch/sh/kernel/cpu/sh3/setup-sh7710.c
@@ -100,11 +100,15 @@ static struct plat_sci_port sci_platform_data[] = {
 	{
 		.mapbase	= 0xa4400000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_TE | SCSCR_RE | SCSCR_REIE |
+				  SCSCR_CKE1 | SCSCR_CKE0,
 		.type		= PORT_SCIF,
 		.irqs		= { 52, 52, 52, 52 },
 	}, {
 		.mapbase	= 0xa4410000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_TE | SCSCR_RE | SCSCR_REIE |
+				  SCSCR_CKE1 | SCSCR_CKE0,
 		.type		= PORT_SCIF,
 		.irqs           = { 56, 56, 56, 56 },
 	}, {
diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7720.c b/arch/sh/kernel/cpu/sh3/setup-sh7720.c
index 5b2107798edb..1fc3d9089199 100644
--- a/arch/sh/kernel/cpu/sh3/setup-sh7720.c
+++ b/arch/sh/kernel/cpu/sh3/setup-sh7720.c
@@ -1,5 +1,5 @@
 /*
- * SH7720 Setup
+ * Setup code for SH7720, SH7721.
  *
  *  Copyright (C) 2007  Markus Brunner, Mark Jonas
  *  Copyright (C) 2009  Paul Mundt
@@ -52,15 +52,16 @@ static struct plat_sci_port sci_platform_data[] = {
 	{
 		.mapbase	= 0xa4430000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE,
 		.type		= PORT_SCIF,
 		.irqs		= { 80, 80, 80, 80 },
 	}, {
 		.mapbase	= 0xa4438000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE,
 		.type		= PORT_SCIF,
 		.irqs           = { 81, 81, 81, 81 },
 	}, {
-
 		.flags = 0,
 	}
 };
diff --git a/arch/sh/kernel/cpu/sh4/setup-sh4-202.c b/arch/sh/kernel/cpu/sh4/setup-sh4-202.c
index 6d088d123591..9aa6fa3ca4e6 100644
--- a/arch/sh/kernel/cpu/sh4/setup-sh4-202.c
+++ b/arch/sh/kernel/cpu/sh4/setup-sh4-202.c
@@ -19,6 +19,7 @@ static struct plat_sci_port sci_platform_data[] = {
 	{
 		.mapbase	= 0xffe80000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type		= PORT_SCIF,
 		.irqs		= { 40, 41, 43, 42 },
 	}, {
diff --git a/arch/sh/kernel/cpu/sh4/setup-sh7750.c b/arch/sh/kernel/cpu/sh4/setup-sh7750.c
index 851672d15cf4..2159c439dce9 100644
--- a/arch/sh/kernel/cpu/sh4/setup-sh7750.c
+++ b/arch/sh/kernel/cpu/sh4/setup-sh7750.c
@@ -14,6 +14,7 @@
 #include <linux/io.h>
 #include <linux/sh_timer.h>
 #include <linux/serial_sci.h>
+#include <asm/machtypes.h>
 
 static struct resource rtc_resources[] = {
 	[0] = {
@@ -35,32 +36,36 @@ static struct platform_device rtc_device = {
 	.resource	= rtc_resources,
 };
 
-static struct plat_sci_port sci_platform_data[] = {
-	{
-#ifndef CONFIG_SH_RTS7751R2D
-		.mapbase	= 0xffe00000,
-		.flags		= UPF_BOOT_AUTOCONF,
-		.type		= PORT_SCI,
-		.irqs		= { 23, 23, 23, 0 },
-	}, {
-#endif
-		.mapbase	= 0xffe80000,
-		.flags		= UPF_BOOT_AUTOCONF,
-		.type		= PORT_SCIF,
-		.irqs		= { 40, 40, 40, 40 },
-	}, {
-		.flags = 0,
-	}
+static struct plat_sci_port sci_platform_data = {
+	.mapbase	= 0xffe00000,
+	.flags		= UPF_BOOT_AUTOCONF,
+	.type		= PORT_SCI,
+	.scscr		= SCSCR_TE | SCSCR_RE,
+	.irqs		= { 23, 23, 23, 0 },
 };
 
 static struct platform_device sci_device = {
 	.name		= "sh-sci",
-	.id		= -1,
 	.dev		= {
 		.platform_data	= sci_platform_data,
 	},
 };
 
+static struct plat_sci_port scif_platform_data = {
+	.mapbase	= 0xffe80000,
+	.flags		= UPF_BOOT_AUTOCONF,
+	.scscr		= SCSCR_TE | SCSCR_RE | SCSCR_REIE,
+	.type		= PORT_SCIF,
+	.irqs		= { 40, 40, 40, 40 },
+};
+
+static struct platform_device scif_device = {
+	.name		= "sh-sci",
+	.dev		= {
+		.platform_data	= scif_platform_data,
+	},
+};
+
 static struct sh_timer_config tmu0_platform_data = {
 	.name = "TMU0",
 	.channel_offset = 0x04,
@@ -222,7 +227,6 @@ static struct platform_device tmu4_device = {
 
 static struct platform_device *sh7750_devices[] __initdata = {
 	&rtc_device,
-	&sci_device,
 	&tmu0_device,
 	&tmu1_device,
 	&tmu2_device,
@@ -236,6 +240,14 @@ static struct platform_device *sh7750_devices[] __initdata = {
 
 static int __init sh7750_devices_setup(void)
 {
+	if (mach_is_rts7751r2d()) {
+		scif_platform_data.scscr |= SCSCR_CKE1;
+		platform_register_device(&scif_device);
+	} else {
+		platform_register_device(&sci_device);
+		platform_register_device(&scif_device);
+	}
+
 	return platform_add_devices(sh7750_devices,
 				    ARRAY_SIZE(sh7750_devices));
 }
diff --git a/arch/sh/kernel/cpu/sh4/setup-sh7760.c b/arch/sh/kernel/cpu/sh4/setup-sh7760.c
index 5b822519bd90..74b5e994724d 100644
--- a/arch/sh/kernel/cpu/sh4/setup-sh7760.c
+++ b/arch/sh/kernel/cpu/sh4/setup-sh7760.c
@@ -130,21 +130,25 @@ static struct plat_sci_port sci_platform_data[] = {
 	{
 		.mapbase	= 0xfe600000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type		= PORT_SCIF,
 		.irqs		= { 52, 53, 55, 54 },
 	}, {
 		.mapbase	= 0xfe610000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type		= PORT_SCIF,
 		.irqs		= { 72, 73, 75, 74 },
 	}, {
 		.mapbase	= 0xfe620000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type		= PORT_SCIF,
 		.irqs		= { 76, 77, 79, 78 },
 	}, {
 		.mapbase	= 0xfe480000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type		= PORT_SCI,
 		.irqs		= { 80, 81, 82, 0 },
 	}, {
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7343.c b/arch/sh/kernel/cpu/sh4a/setup-sh7343.c
index 6307e087c864..09fb5814d925 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7343.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7343.c
@@ -269,24 +269,28 @@ static struct plat_sci_port sci_platform_data[] = {
 	{
 		.mapbase	= 0xffe00000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_CKE1,
 		.type		= PORT_SCIF,
 		.irqs		= { 80, 80, 80, 80 },
 		.clk		= "scif0",
 	}, {
 		.mapbase	= 0xffe10000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_CKE1,
 		.type		= PORT_SCIF,
 		.irqs		= { 81, 81, 81, 81 },
 		.clk		= "scif1",
 	}, {
 		.mapbase	= 0xffe20000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_CKE1,
 		.type		= PORT_SCIF,
 		.irqs		= { 82, 82, 82, 82 },
 		.clk		= "scif2",
 	}, {
 		.mapbase	= 0xffe30000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_CKE1,
 		.type		= PORT_SCIF,
 		.irqs		= { 83, 83, 83, 83 },
 		.clk		= "scif3",
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7366.c b/arch/sh/kernel/cpu/sh4a/setup-sh7366.c
index c18f7d09281b..307777cf04cc 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7366.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7366.c
@@ -280,6 +280,7 @@ static struct plat_sci_port sci_platform_data[] = {
 	{
 		.mapbase	= 0xffe00000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type		= PORT_SCIF,
 		.irqs		= { 80, 80, 80, 80 },
 		.clk		= "scif0",
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
index ea524a2da3e4..ffc69bc95932 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
@@ -305,25 +305,25 @@ static struct plat_sci_port sci_platform_data[] = {
 	{
 		.mapbase	= 0xffe00000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type		= PORT_SCIF,
 		.irqs		= { 80, 80, 80, 80 },
 		.clk		= "scif0",
-	},
-	{
+	}, {
 		.mapbase	= 0xffe10000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type		= PORT_SCIF,
 		.irqs		= { 81, 81, 81, 81 },
 		.clk		= "scif1",
-	},
-	{
+	}, {
 		.mapbase	= 0xffe20000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type		= PORT_SCIF,
 		.irqs		= { 82, 82, 82, 82 },
 		.clk		= "scif2",
-	},
-	{
+	}, {
 		.flags = 0,
 	}
 };
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7723.c b/arch/sh/kernel/cpu/sh4a/setup-sh7723.c
index e1bb80b2a27b..6ce331a8f1bd 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7723.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7723.c
@@ -321,36 +321,42 @@ static struct plat_sci_port sci_platform_data[] = {
 	{
 		.mapbase        = 0xffe00000,
 		.flags          = UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type           = PORT_SCIF,
 		.irqs           = { 80, 80, 80, 80 },
 		.clk		= "scif0",
 	},{
 		.mapbase        = 0xffe10000,
 		.flags          = UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type           = PORT_SCIF,
 		.irqs           = { 81, 81, 81, 81 },
 		.clk		= "scif1",
 	},{
 		.mapbase        = 0xffe20000,
 		.flags          = UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type           = PORT_SCIF,
 		.irqs           = { 82, 82, 82, 82 },
 		.clk		= "scif2",
 	},{
 		.mapbase	= 0xa4e30000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type		= PORT_SCIFA,
 		.irqs		= { 56, 56, 56, 56 },
 		.clk		= "scif3",
 	},{
 		.mapbase	= 0xa4e40000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type		= PORT_SCIFA,
 		.irqs		= { 88, 88, 88, 88 },
 		.clk		= "scif4",
 	},{
 		.mapbase	= 0xa4e50000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type		= PORT_SCIFA,
 		.irqs		= { 109, 109, 109, 109 },
 		.clk		= "scif5",
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7724.c b/arch/sh/kernel/cpu/sh4a/setup-sh7724.c
index e5ac9eb11c63..4bf03c1ec8d6 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7724.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7724.c
@@ -28,36 +28,42 @@ static struct plat_sci_port sci_platform_data[] = {
 	{
 		.mapbase        = 0xffe00000,
 		.flags          = UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type           = PORT_SCIF,
 		.irqs           = { 80, 80, 80, 80 },
 		.clk		= "scif0",
 	}, {
 		.mapbase        = 0xffe10000,
 		.flags          = UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type           = PORT_SCIF,
 		.irqs           = { 81, 81, 81, 81 },
 		.clk		= "scif1",
 	}, {
 		.mapbase        = 0xffe20000,
 		.flags          = UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type           = PORT_SCIF,
 		.irqs           = { 82, 82, 82, 82 },
 		.clk		= "scif2",
 	}, {
 		.mapbase	= 0xa4e30000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type		= PORT_SCIFA,
 		.irqs		= { 56, 56, 56, 56 },
 		.clk		= "scif3",
 	}, {
 		.mapbase	= 0xa4e40000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type		= PORT_SCIFA,
 		.irqs		= { 88, 88, 88, 88 },
 		.clk		= "scif4",
 	}, {
 		.mapbase	= 0xa4e50000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type		= PORT_SCIFA,
 		.irqs		= { 109, 109, 109, 109 },
 		.clk		= "scif5",
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7763.c b/arch/sh/kernel/cpu/sh4a/setup-sh7763.c
index f1e0c0d36da7..76339c6da01e 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7763.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7763.c
@@ -40,16 +40,19 @@ static struct plat_sci_port sci_platform_data[] = {
 	{
 		.mapbase	= 0xffe00000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type		= PORT_SCIF,
 		.irqs		= { 40, 40, 40, 40 },
 	}, {
 		.mapbase	= 0xffe08000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type		= PORT_SCIF,
 		.irqs		= { 76, 76, 76, 76 },
 	}, {
 		.mapbase	= 0xffe10000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type		= PORT_SCIF,
 		.irqs		= { 104, 104, 104, 104 },
 	}, {
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7770.c b/arch/sh/kernel/cpu/sh4a/setup-sh7770.c
index 1e86209db284..07a41ff20504 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7770.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7770.c
@@ -18,51 +18,61 @@ static struct plat_sci_port sci_platform_data[] = {
 	{
 		.mapbase	= 0xff923000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_TOIE,
 		.type		= PORT_SCIF,
 		.irqs		= { 61, 61, 61, 61 },
 	}, {
 		.mapbase	= 0xff924000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_TOIE,
 		.type		= PORT_SCIF,
 		.irqs		= { 62, 62, 62, 62 },
 	}, {
 		.mapbase	= 0xff925000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_TOIE,
 		.type		= PORT_SCIF,
 		.irqs		= { 63, 63, 63, 63 },
 	}, {
 		.mapbase	= 0xff926000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_TOIE,
 		.type		= PORT_SCIF,
 		.irqs		= { 64, 64, 64, 64 },
 	}, {
 		.mapbase	= 0xff927000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_TOIE,
 		.type		= PORT_SCIF,
 		.irqs		= { 65, 65, 65, 65 },
 	}, {
 		.mapbase	= 0xff928000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_TOIE,
 		.type		= PORT_SCIF,
 		.irqs		= { 66, 66, 66, 66 },
 	}, {
 		.mapbase	= 0xff929000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_TOIE,
 		.type		= PORT_SCIF,
 		.irqs		= { 67, 67, 67, 67 },
 	}, {
 		.mapbase	= 0xff92a000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_TOIE,
 		.type		= PORT_SCIF,
 		.irqs		= { 68, 68, 68, 68 },
 	}, {
 		.mapbase	= 0xff92b000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_TOIE,
 		.type		= PORT_SCIF,
 		.irqs		= { 69, 69, 69, 69 },
 	}, {
 		.mapbase	= 0xff92c000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_TOIE,
 		.type		= PORT_SCIF,
 		.irqs		= { 70, 70, 70, 70 },
 	}, {
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7780.c b/arch/sh/kernel/cpu/sh4a/setup-sh7780.c
index 715e05b431e5..2b355b67a33d 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7780.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7780.c
@@ -220,11 +220,13 @@ static struct plat_sci_port sci_platform_data[] = {
 	{
 		.mapbase	= 0xffe00000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_CKE1,
 		.type		= PORT_SCIF,
 		.irqs		= { 40, 40, 40, 40 },
 	}, {
 		.mapbase	= 0xffe10000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_CKE1,
 		.type		= PORT_SCIF,
 		.irqs		= { 76, 76, 76, 76 },
 	}, {
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7785.c b/arch/sh/kernel/cpu/sh4a/setup-sh7785.c
index af561402570b..acd4b1d1b813 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7785.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7785.c
@@ -202,36 +202,42 @@ static struct plat_sci_port sci_platform_data[] = {
 	{
 		.mapbase	= 0xffea0000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_CKE1,
 		.type		= PORT_SCIF,
 		.irqs		= { 40, 40, 40, 40 },
 		.clk		= "scif_fck",
 	}, {
 		.mapbase	= 0xffeb0000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_CKE1,
 		.type		= PORT_SCIF,
 		.irqs		= { 44, 44, 44, 44 },
 		.clk		= "scif_fck",
 	}, {
 		.mapbase	= 0xffec0000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_CKE1,
 		.type		= PORT_SCIF,
 		.irqs		= { 60, 60, 60, 60 },
 		.clk		= "scif_fck",
 	}, {
 		.mapbase	= 0xffed0000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_CKE1,
 		.type		= PORT_SCIF,
 		.irqs		= { 61, 61, 61, 61 },
 		.clk		= "scif_fck",
 	}, {
 		.mapbase	= 0xffee0000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_CKE1,
 		.type		= PORT_SCIF,
 		.irqs		= { 62, 62, 62, 62 },
 		.clk		= "scif_fck",
 	}, {
 		.mapbase	= 0xffef0000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_CKE1,
 		.type		= PORT_SCIF,
 		.irqs		= { 63, 63, 63, 63 },
 		.clk		= "scif_fck",
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7786.c b/arch/sh/kernel/cpu/sh4a/setup-sh7786.c
index b70049470a0b..347ce88de570 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7786.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7786.c
@@ -27,6 +27,7 @@ static struct plat_sci_port sci_platform_data[] = {
 	{
 		.mapbase	= 0xffea0000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_CKE1,
 		.type		= PORT_SCIF,
 		.irqs		= { 40, 41, 43, 42 },
 	},
@@ -36,26 +37,31 @@ static struct plat_sci_port sci_platform_data[] = {
 	{
 		.mapbase	= 0xffeb0000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_CKE1,
 		.type		= PORT_SCIF,
 		.irqs		= { 44, 44, 44, 44 },
 	}, {
 		.mapbase	= 0xffec0000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_CKE1,
 		.type		= PORT_SCIF,
 		.irqs		= { 50, 50, 50, 50 },
 	}, {
 		.mapbase	= 0xffed0000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_CKE1,
 		.type		= PORT_SCIF,
 		.irqs		= { 51, 51, 51, 51 },
 	}, {
 		.mapbase	= 0xffee0000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_CKE1,
 		.type		= PORT_SCIF,
 		.irqs		= { 52, 52, 52, 52 },
 	}, {
 		.mapbase	= 0xffef0000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_CKE1,
 		.type		= PORT_SCIF,
 		.irqs		= { 53, 53, 53, 53 },
 	}, {
diff --git a/arch/sh/kernel/cpu/sh4a/setup-shx3.c b/arch/sh/kernel/cpu/sh4a/setup-shx3.c
index 53c65fd9ccef..eef94934f542 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-shx3.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-shx3.c
@@ -19,21 +19,25 @@ static struct plat_sci_port sci_platform_data[] = {
 	{
 		.mapbase	= 0xffc30000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type		= PORT_SCIF,
 		.irqs		= { 40, 41, 43, 42 },
 	}, {
 		.mapbase	= 0xffc40000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type		= PORT_SCIF,
 		.irqs		= { 44, 45, 47, 46 },
 	}, {
 		.mapbase	= 0xffc50000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type		= PORT_SCIF,
 		.irqs		= { 48, 49, 51, 50 },
 	}, {
 		.mapbase	= 0xffc60000,
 		.flags		= UPF_BOOT_AUTOCONF,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type		= PORT_SCIF,
 		.irqs		= { 52, 53, 55, 54 },
 	}, {
diff --git a/arch/sh/kernel/cpu/sh5/setup-sh5.c b/arch/sh/kernel/cpu/sh5/setup-sh5.c
index f5ff1ac57fc2..26fa10c560de 100644
--- a/arch/sh/kernel/cpu/sh5/setup-sh5.c
+++ b/arch/sh/kernel/cpu/sh5/setup-sh5.c
@@ -20,6 +20,7 @@ static struct plat_sci_port sci_platform_data[] = {
 	{
 		.mapbase	= PHYS_PERIPHERAL_BLOCK + 0x01030000,
 		.flags		= UPF_BOOT_AUTOCONF | UPF_IOREMAP,
+		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 		.type		= PORT_SCIF,
 		.irqs		= { 39, 40, 42, 0 },
 	}, {