sh: Initial support for the MX-G CPU.

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

3 files changed, 175 insertions, 3 deletions

diff --git a/arch/sh/kernel/cpu/sh2a/Makefile b/arch/sh/kernel/cpu/sh2a/Makefile
index b279cdc3a233..7e2b90cfa7bf 100644
--- a/arch/sh/kernel/cpu/sh2a/Makefile
+++ b/arch/sh/kernel/cpu/sh2a/Makefile
@@ -8,6 +8,7 @@ common-y	+= $(addprefix ../sh2/, ex.o entry.o)
 
 obj-$(CONFIG_SH_FPU)	+= fpu.o
 
-obj-$(CONFIG_CPU_SUBTYPE_SH7206) += setup-sh7206.o clock-sh7206.o
-obj-$(CONFIG_CPU_SUBTYPE_SH7203) += setup-sh7203.o clock-sh7203.o
-obj-$(CONFIG_CPU_SUBTYPE_SH7263) += setup-sh7203.o clock-sh7203.o
+obj-$(CONFIG_CPU_SUBTYPE_SH7206)	+= setup-sh7206.o clock-sh7206.o
+obj-$(CONFIG_CPU_SUBTYPE_SH7203)	+= setup-sh7203.o clock-sh7203.o
+obj-$(CONFIG_CPU_SUBTYPE_SH7263)	+= setup-sh7203.o clock-sh7203.o
+obj-$(CONFIG_CPU_SUBTYPE_MXG)		+= setup-mxg.o clock-sh7206.o
diff --git a/arch/sh/kernel/cpu/sh2a/probe.c b/arch/sh/kernel/cpu/sh2a/probe.c
index 6910e2664468..6e79132f6f30 100644
--- a/arch/sh/kernel/cpu/sh2a/probe.c
+++ b/arch/sh/kernel/cpu/sh2a/probe.c
@@ -29,6 +29,9 @@ int __init detect_cpu_and_cache_system(void)
 	boot_cpu_data.type			= CPU_SH7206;
 	/* While SH7206 has a DSP.. */
 	boot_cpu_data.flags			|= CPU_HAS_DSP;
+#elif defined(CONFIG_CPU_SUBTYPE_MXG)
+	boot_cpu_data.type			= CPU_MXG;
+	boot_cpu_data.flags			|= CPU_HAS_DSP;
 #endif
 
 	boot_cpu_data.dcache.ways		= 4;
diff --git a/arch/sh/kernel/cpu/sh2a/setup-mxg.c b/arch/sh/kernel/cpu/sh2a/setup-mxg.c
new file mode 100644
index 000000000000..e611d79fac4c
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh2a/setup-mxg.c
@@ -0,0 +1,168 @@
+/*
+ * Renesas MX-G (R8A03022BG) Setup
+ *
+ *  Copyright (C) 2008  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 <linux/serial_sci.h>
+
+enum {
+	UNUSED = 0,
+
+	/* interrupt sources */
+	IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
+	IRQ8, IRQ9, IRQ10, IRQ11, IRQ12, IRQ13, IRQ14, IRQ15,
+
+	PINT0, PINT1, PINT2, PINT3, PINT4, PINT5, PINT6, PINT7,
+
+	SINT8, SINT7, SINT6, SINT5, SINT4, SINT3, SINT2, SINT1,
+
+	SCIF0_BRI, SCIF0_ERI, SCIF0_RXI, SCIF0_TXI,
+	SCIF1_BRI, SCIF1_ERI, SCIF1_RXI, SCIF1_TXI,
+
+	MTU2_TGI0A, MTU2_TGI0B, MTU2_TGI0C, MTU2_TGI0D,
+	MTU2_TCI0V, MTU2_TGI0E, MTU2_TGI0F,
+	MTU2_TGI1A, MTU2_TGI1B, MTU2_TCI1V, MTU2_TCI1U,
+	MTU2_TGI2A, MTU2_TGI2B, MTU2_TCI2V, MTU2_TCI2U,
+	MTU2_TGI3A, MTU2_TGI3B, MTU2_TGI3C, MTU2_TGI3D, MTU2_TCI3V,
+	MTU2_TGI4A, MTU2_TGI4B, MTU2_TGI4C, MTU2_TGI4D, MTU2_TCI4V,
+	MTU2_TGI5U, MTU2_TGI5V, MTU2_TGI5W,
+
+	/* interrupt groups */
+	PINT, SCIF0, SCIF1,
+	MTU2_GROUP1, MTU2_GROUP2, MTU2_GROUP3, MTU2_GROUP4, MTU2_GROUP5
+};
+
+static struct intc_vect vectors[] __initdata = {
+	INTC_IRQ(IRQ0, 64), INTC_IRQ(IRQ1, 65),
+	INTC_IRQ(IRQ2, 66), INTC_IRQ(IRQ3, 67),
+	INTC_IRQ(IRQ4, 68), INTC_IRQ(IRQ5, 69),
+	INTC_IRQ(IRQ6, 70), INTC_IRQ(IRQ7, 71),
+	INTC_IRQ(IRQ8, 72), INTC_IRQ(IRQ9, 73),
+	INTC_IRQ(IRQ10, 74), INTC_IRQ(IRQ11, 75),
+	INTC_IRQ(IRQ12, 76), INTC_IRQ(IRQ13, 77),
+	INTC_IRQ(IRQ14, 78), INTC_IRQ(IRQ15, 79),
+
+	INTC_IRQ(PINT0, 80), INTC_IRQ(PINT1, 81),
+	INTC_IRQ(PINT2, 82), INTC_IRQ(PINT3, 83),
+	INTC_IRQ(PINT4, 84), INTC_IRQ(PINT5, 85),
+	INTC_IRQ(PINT6, 86), INTC_IRQ(PINT7, 87),
+
+	INTC_IRQ(SINT8, 94), INTC_IRQ(SINT7, 95),
+	INTC_IRQ(SINT6, 96), INTC_IRQ(SINT5, 97),
+	INTC_IRQ(SINT4, 98), INTC_IRQ(SINT3, 99),
+	INTC_IRQ(SINT2, 100), INTC_IRQ(SINT1, 101),
+
+	INTC_IRQ(SCIF0_RXI, 220), INTC_IRQ(SCIF0_TXI, 221),
+	INTC_IRQ(SCIF0_BRI, 222), INTC_IRQ(SCIF0_ERI, 223),
+	INTC_IRQ(SCIF1_RXI, 224), INTC_IRQ(SCIF1_TXI, 225),
+	INTC_IRQ(SCIF1_BRI, 226), INTC_IRQ(SCIF1_ERI, 227),
+
+	INTC_IRQ(MTU2_TGI0A, 228), INTC_IRQ(MTU2_TGI0B, 229),
+	INTC_IRQ(MTU2_TGI0C, 230), INTC_IRQ(MTU2_TGI0D, 231),
+	INTC_IRQ(MTU2_TCI0V, 232), INTC_IRQ(MTU2_TGI0E, 233),
+
+	INTC_IRQ(MTU2_TGI0F, 234), INTC_IRQ(MTU2_TGI1A, 235),
+	INTC_IRQ(MTU2_TGI1B, 236), INTC_IRQ(MTU2_TCI1V, 237),
+	INTC_IRQ(MTU2_TCI1U, 238), INTC_IRQ(MTU2_TGI2A, 239),
+
+	INTC_IRQ(MTU2_TGI2B, 240), INTC_IRQ(MTU2_TCI2V, 241),
+	INTC_IRQ(MTU2_TCI2U, 242), INTC_IRQ(MTU2_TGI3A, 243),
+
+	INTC_IRQ(MTU2_TGI3B, 244),
+	INTC_IRQ(MTU2_TGI3C, 245),
+
+	INTC_IRQ(MTU2_TGI3D, 246), INTC_IRQ(MTU2_TCI3V, 247),
+	INTC_IRQ(MTU2_TGI4A, 248), INTC_IRQ(MTU2_TGI4B, 249),
+	INTC_IRQ(MTU2_TGI4C, 250), INTC_IRQ(MTU2_TGI4D, 251),
+
+	INTC_IRQ(MTU2_TCI4V, 252), INTC_IRQ(MTU2_TGI5U, 253),
+	INTC_IRQ(MTU2_TGI5V, 254), INTC_IRQ(MTU2_TGI5W, 255),
+};
+
+static struct intc_group groups[] __initdata = {
+	INTC_GROUP(PINT, PINT0, PINT1, PINT2, PINT3,
+		   PINT4, PINT5, PINT6, PINT7),
+	INTC_GROUP(MTU2_GROUP1, MTU2_TGI0A, MTU2_TGI0B, MTU2_TGI0C, MTU2_TGI0D,
+		   MTU2_TCI0V, MTU2_TGI0E),
+	INTC_GROUP(MTU2_GROUP2, MTU2_TGI0F, MTU2_TGI1A, MTU2_TGI1B,
+		   MTU2_TCI1V, MTU2_TCI1U, MTU2_TGI2A),
+	INTC_GROUP(MTU2_GROUP3, MTU2_TGI2B, MTU2_TCI2V, MTU2_TCI2U,
+		   MTU2_TGI3A),
+	INTC_GROUP(MTU2_GROUP4, MTU2_TGI3D, MTU2_TCI3V, MTU2_TGI4A,
+		   MTU2_TGI4B, MTU2_TGI4C, MTU2_TGI4D),
+	INTC_GROUP(MTU2_GROUP5, MTU2_TCI4V, MTU2_TGI5U, MTU2_TGI5V, MTU2_TGI5W),
+	INTC_GROUP(SCIF0, SCIF0_BRI, SCIF0_ERI, SCIF0_RXI, SCIF0_TXI),
+	INTC_GROUP(SCIF1, SCIF1_BRI, SCIF1_ERI, SCIF1_RXI, SCIF1_TXI),
+};
+
+static struct intc_prio_reg prio_registers[] __initdata = {
+	{ 0xfffd9418, 0, 16, 4, /* IPR01 */ { IRQ0, IRQ1, IRQ2, IRQ3 } },
+	{ 0xfffd941a, 0, 16, 4, /* IPR02 */ { IRQ4, IRQ5, IRQ6, IRQ7 } },
+	{ 0xfffd941c, 0, 16, 4, /* IPR03 */ { IRQ8, IRQ9, IRQ10, IRQ11 } },
+	{ 0xfffd941e, 0, 16, 4, /* IPR04 */ { IRQ12, IRQ13, IRQ14, IRQ15 } },
+	{ 0xfffd9420, 0, 16, 4, /* IPR05 */ { PINT, 0, 0, 0 } },
+	{ 0xfffd9800, 0, 16, 4, /* IPR06 */ { } },
+	{ 0xfffd9802, 0, 16, 4, /* IPR07 */ { } },
+	{ 0xfffd9804, 0, 16, 4, /* IPR08 */ { } },
+	{ 0xfffd9806, 0, 16, 4, /* IPR09 */ { } },
+	{ 0xfffd9808, 0, 16, 4, /* IPR10 */ { } },
+	{ 0xfffd980a, 0, 16, 4, /* IPR11 */ { } },
+	{ 0xfffd980c, 0, 16, 4, /* IPR12 */ { } },
+	{ 0xfffd980e, 0, 16, 4, /* IPR13 */ { } },
+	{ 0xfffd9810, 0, 16, 4, /* IPR14 */ { 0, 0, 0, SCIF0 } },
+	{ 0xfffd9812, 0, 16, 4, /* IPR15 */
+		{ SCIF1, MTU2_GROUP1, MTU2_GROUP2, MTU2_GROUP3 } },
+	{ 0xfffd9814, 0, 16, 4, /* IPR16 */
+		{ MTU2_TGI3B, MTU2_TGI3C, MTU2_GROUP4, MTU2_GROUP5 } },
+};
+
+static struct intc_mask_reg mask_registers[] __initdata = {
+	{ 0xfffd9408, 0, 16, /* PINTER */
+	  { 0, 0, 0, 0, 0, 0, 0, 0,
+	    PINT7, PINT6, PINT5, PINT4, PINT3, PINT2, PINT1, PINT0 } },
+};
+
+static DECLARE_INTC_DESC(intc_desc, "mxg", vectors, groups,
+			 mask_registers, prio_registers, NULL);
+
+static struct plat_sci_port sci_platform_data[] = {
+	{
+		.mapbase	= 0xff804000,
+		.flags		= UPF_BOOT_AUTOCONF,
+		.type		= PORT_SCIF,
+		.irqs		= { 223, 220, 221, 222 },
+	}, {
+		.flags = 0,
+	}
+};
+
+static struct platform_device sci_device = {
+	.name		= "sh-sci",
+	.id		= -1,
+	.dev		= {
+		.platform_data	= sci_platform_data,
+	},
+};
+
+static struct platform_device *mxg_devices[] __initdata = {
+	&sci_device,
+};
+
+static int __init mxg_devices_setup(void)
+{
+	return platform_add_devices(mxg_devices,
+				    ARRAY_SIZE(mxg_devices));
+}
+__initcall(mxg_devices_setup);
+
+void __init plat_irq_setup(void)
+{
+	register_intc_controller(&intc_desc);
+}