sh: Add support for SH7706/SH7710/SH7343 CPUs.

This adds support for the aforementioned CPU subtypes, and cleans
up some build issues encountered as a result.

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

4 files changed, 62 insertions, 11 deletions

diff --git a/arch/sh/kernel/cpu/sh4/Makefile b/arch/sh/kernel/cpu/sh4/Makefile
index 48946d5..8dbf389 100644
--- a/arch/sh/kernel/cpu/sh4/Makefile
+++ b/arch/sh/kernel/cpu/sh4/Makefile
@@ -14,6 +14,7 @@ obj-$(CONFIG_CPU_SUBTYPE_SH7760)	+= setup-sh7760.o
 obj-$(CONFIG_CPU_SUBTYPE_SH7770)	+= setup-sh7770.o
 obj-$(CONFIG_CPU_SUBTYPE_SH7780)	+= setup-sh7780.o
 obj-$(CONFIG_CPU_SUBTYPE_SH73180)	+= setup-sh73180.o
+obj-$(CONFIG_CPU_SUBTYPE_SH7343)	+= setup-sh7343.o
 obj-$(CONFIG_CPU_SUBTYPE_SH4_202)	+= setup-sh4-202.o
 
 # Primary on-chip clocks (common)
diff --git a/arch/sh/kernel/cpu/sh4/ex.S b/arch/sh/kernel/cpu/sh4/ex.S
index af5ecbd..7146893 100644
--- a/arch/sh/kernel/cpu/sh4/ex.S
+++ b/arch/sh/kernel/cpu/sh4/ex.S
@@ -123,6 +123,13 @@ ENTRY(interrupt_table)
 	.long	do_IRQ	! 45      dmte5
 	.long	do_IRQ	! 46      dmte6
 	.long	do_IRQ	! 47      dmte7		/* 7E0 */
+#elif defined(CONFIG_CPU_SUBTYPE_SH7343)
+	.long	do_IRQ	! 44 IIC1 ali		/* 780 */
+	.long	do_IRQ	! 45      tacki
+	.long	do_IRQ	! 46      waiti
+	.long	do_IRQ	! 47      dtei		/* 7E0 */
+	.long	do_IRQ	! 48 DMAC dei0		/* 800 */
+	.long	do_IRQ	! 49      dei1		/* 820 */
 #else
 	.long	exception_error			! 44	/* 780 */
 	.long	exception_error			! 45
@@ -132,7 +139,8 @@ ENTRY(interrupt_table)
 #if defined(CONFIG_SH_FPU)
 	.long	do_fpu_state_restore	! 48	/* 800 */
 	.long	do_fpu_state_restore	! 49	/* 820 */
-#else
+#elif !defined(CONFIG_CPU_SUBTYPE_SH7343) && \
+      !defined(CONFIG_CPU_SUBTYPE_SH73180)
 	.long	exception_error
 	.long	exception_error
 #endif
@@ -225,7 +233,7 @@ ENTRY(interrupt_table)
 	.long	exception_error
 	.long	do_IRQ	! ADC	adi
 	.long	do_IRQ	! CMT	cmti	/* FA0 */
-#elif defined(CONFIG_CPU_SUBTYPE_SH73180)
+#elif defined(CONFIG_CPU_SUBTYPE_SH73180) || defined(CONFIG_CPU_SUBTYPE_SH7343)
 	.long	do_IRQ	!  50 0x840
 	.long	do_IRQ	!  51 0x860
 	.long	do_IRQ	!  52 0x880
diff --git a/arch/sh/kernel/cpu/sh4/probe.c b/arch/sh/kernel/cpu/sh4/probe.c
index 2a7707a..6e8a2b5 100644
--- a/arch/sh/kernel/cpu/sh4/probe.c
+++ b/arch/sh/kernel/cpu/sh4/probe.c
@@ -3,7 +3,7 @@
  *
  * CPU Subtype Probing for SH-4.
  *
- * Copyright (C) 2001 - 2005  Paul Mundt
+ * Copyright (C) 2001 - 2006  Paul Mundt
  * Copyright (C) 2003  Richard Curnow
  *
  * This file is subject to the terms and conditions of the GNU General Public
@@ -76,12 +76,6 @@ int __init detect_cpu_and_cache_system(void)
 		cpu_data->type = CPU_SH73180;
 		cpu_data->icache.ways = 4;
 		cpu_data->dcache.ways = 4;
-
-		/*
-		 * XXX: Double check this, none of the SH-4A/SH-4AL processors
-		 * should have this, as it's essentially a legacy thing.
-		 */
-		cpu_data->flags |= CPU_HAS_PTEA;
 		break;
 	case 0x2001:
 	case 0x2004:
@@ -89,8 +83,7 @@ int __init detect_cpu_and_cache_system(void)
 		cpu_data->icache.ways = 4;
 		cpu_data->dcache.ways = 4;
 
-		/* Same note as above applies here for PTEA */
-		cpu_data->flags |= CPU_HAS_FPU | CPU_HAS_PTEA;
+		cpu_data->flags |= CPU_HAS_FPU;
 		break;
 	case 0x2006:
 	case 0x200A:
@@ -104,6 +97,12 @@ int __init detect_cpu_and_cache_system(void)
 
 		cpu_data->flags |= CPU_HAS_FPU | CPU_HAS_PERF_COUNTER;
 		break;
+	case 0x3000:
+	case 0x3003:
+		cpu_data->type = CPU_SH7343;
+		cpu_data->icache.ways = 4;
+		cpu_data->dcache.ways = 4;
+		break;
 	case 0x8000:
 		cpu_data->type = CPU_ST40RA;
 		cpu_data->flags |= CPU_HAS_FPU | CPU_HAS_PTEA;
diff --git a/arch/sh/kernel/cpu/sh4/setup-sh7343.c b/arch/sh/kernel/cpu/sh4/setup-sh7343.c
new file mode 100644
index 0000000..91d61cf
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh4/setup-sh7343.c
@@ -0,0 +1,43 @@
+/*
+ * SH7343 Setup
+ *
+ *  Copyright (C) 2006  Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/platform_device.h>
+#include <linux/init.h>
+#include <linux/serial.h>
+#include <asm/sci.h>
+
+static struct plat_sci_port sci_platform_data[] = {
+	{
+		.mapbase	= 0xffe00000,
+		.flags		= UPF_BOOT_AUTOCONF,
+		.type		= PORT_SCIF,
+		.irqs		= { 80, 81, 83, 82 },
+	}, {
+		.flags = 0,
+	}
+};
+
+static struct platform_device sci_device = {
+	.name		= "sh-sci",
+	.id		= -1,
+	.dev		= {
+		.platform_data	= sci_platform_data,
+	},
+};
+
+static struct platform_device *sh7343_devices[] __initdata = {
+	&sci_device,
+};
+
+static int __init sh7343_devices_setup(void)
+{
+	return platform_add_devices(sh7343_devices,
+				    ARRAY_SIZE(sh7343_devices));
+}
+__initcall(sh7343_devices_setup);