ARM: mach-shmobile: SH-Mobile G3 support.

This adds preliminary support for the SH-Mobile G-series.

The SH-Mobile G-series is a series of ARM/SH multi-core CPUs that aside
from the ARM MPU are primarily composed of existing SH IP blocks.

This includes initial support for the SH7367 (SH-Mobile G3) CPU and
the G3EVM reference board.

Only timer, serial console, and NOR flash are supported at this point.
Patches for the interrupt controller, pinmux support, clock framework
and runtime pm will be submitted as feature patches on top of this.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 241 insertions, 0 deletions

diff --git a/arch/arm/mach-shmobile/setup-sh7367.c b/arch/arm/mach-shmobile/setup-sh7367.c
new file mode 100644
index 00000000000..840e5bcf2d6
--- /dev/null
+++ b/arch/arm/mach-shmobile/setup-sh7367.c
@@ -0,0 +1,241 @@
+/*
+ * sh7367 processor support
+ *
+ * Copyright (C) 2010  Magnus Damm
+ * Copyright (C) 2008  Yoshihiro Shimoda
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/input.h>
+#include <linux/io.h>
+#include <linux/serial_sci.h>
+#include <linux/sh_intc.h>
+#include <linux/sh_timer.h>
+#include <mach/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+
+static struct plat_sci_port scif0_platform_data = {
+	.mapbase	= 0xe6c40000,
+	.flags		= UPF_BOOT_AUTOCONF,
+	.type		= PORT_SCIF,
+	.irqs		= { 80, 80, 80, 80 },
+};
+
+static struct platform_device scif0_device = {
+	.name		= "sh-sci",
+	.id		= 0,
+	.dev		= {
+		.platform_data	= &scif0_platform_data,
+	},
+};
+
+static struct plat_sci_port scif1_platform_data = {
+	.mapbase	= 0xe6c50000,
+	.flags		= UPF_BOOT_AUTOCONF,
+	.type		= PORT_SCIF,
+	.irqs           = { 81, 81, 81, 81 },
+};
+
+static struct platform_device scif1_device = {
+	.name		= "sh-sci",
+	.id		= 1,
+	.dev		= {
+		.platform_data	= &scif1_platform_data,
+	},
+};
+
+static struct plat_sci_port scif2_platform_data = {
+	.mapbase	= 0xe6c60000,
+	.flags		= UPF_BOOT_AUTOCONF,
+	.type		= PORT_SCIF,
+	.irqs           = { 82, 82, 82, 82 },
+};
+
+static struct platform_device scif2_device = {
+	.name		= "sh-sci",
+	.id		= 2,
+	.dev		= {
+		.platform_data	= &scif2_platform_data,
+	},
+};
+
+static struct plat_sci_port scif3_platform_data = {
+	.mapbase	= 0xe6c70000,
+	.flags		= UPF_BOOT_AUTOCONF,
+	.type		= PORT_SCIF,
+	.irqs           = { 83, 83, 83, 83 },
+};
+
+static struct platform_device scif3_device = {
+	.name		= "sh-sci",
+	.id		= 3,
+	.dev		= {
+		.platform_data	= &scif3_platform_data,
+	},
+};
+
+static struct plat_sci_port scif4_platform_data = {
+	.mapbase	= 0xe6c80000,
+	.flags		= UPF_BOOT_AUTOCONF,
+	.type		= PORT_SCIF,
+	.irqs           = { 89, 89, 89, 89 },
+};
+
+static struct platform_device scif4_device = {
+	.name		= "sh-sci",
+	.id		= 4,
+	.dev		= {
+		.platform_data	= &scif4_platform_data,
+	},
+};
+
+static struct plat_sci_port scif5_platform_data = {
+	.mapbase	= 0xe6cb0000,
+	.flags		= UPF_BOOT_AUTOCONF,
+	.type		= PORT_SCIF,
+	.irqs           = { 90, 90, 90, 90 },
+};
+
+static struct platform_device scif5_device = {
+	.name		= "sh-sci",
+	.id		= 5,
+	.dev		= {
+		.platform_data	= &scif5_platform_data,
+	},
+};
+
+static struct plat_sci_port scif6_platform_data = {
+	.mapbase	= 0xe6c30000,
+	.flags		= UPF_BOOT_AUTOCONF,
+	.type		= PORT_SCIF,
+	.irqs           = { 91, 91, 91, 91 },
+};
+
+static struct platform_device scif6_device = {
+	.name		= "sh-sci",
+	.id		= 6,
+	.dev		= {
+		.platform_data	= &scif6_platform_data,
+	},
+};
+
+static struct sh_timer_config cmt10_platform_data = {
+	.name = "CMT10",
+	.channel_offset = 0x10,
+	.timer_bit = 0,
+	.clk = "r_clk",
+	.clockevent_rating = 125,
+	.clocksource_rating = 125,
+};
+
+static struct resource cmt10_resources[] = {
+	[0] = {
+		.name	= "CMT10",
+		.start	= 0xe6138010,
+		.end	= 0xe613801b,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= 72,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device cmt10_device = {
+	.name		= "sh_cmt",
+	.id		= 10,
+	.dev = {
+		.platform_data	= &cmt10_platform_data,
+	},
+	.resource	= cmt10_resources,
+	.num_resources	= ARRAY_SIZE(cmt10_resources),
+};
+
+static struct platform_device *sh7367_early_devices[] __initdata = {
+	&scif0_device,
+	&scif1_device,
+	&scif2_device,
+	&scif3_device,
+	&scif4_device,
+	&scif5_device,
+	&scif6_device,
+	&cmt10_device,
+};
+
+void __init sh7367_add_standard_devices(void)
+{
+	platform_add_devices(sh7367_early_devices,
+			     ARRAY_SIZE(sh7367_early_devices));
+}
+
+#define SYMSTPCR2 0xe6158048
+#define SYMSTPCR2_CMT1 (1 << 29)
+
+void __init sh7367_add_early_devices(void)
+{
+	/* enable clock to CMT1 */
+	__raw_writel(__raw_readl(SYMSTPCR2) & ~SYMSTPCR2_CMT1, SYMSTPCR2);
+
+	early_platform_add_devices(sh7367_early_devices,
+				   ARRAY_SIZE(sh7367_early_devices));
+}
+
+enum {
+	UNUSED = 0,
+
+	/* interrupt sources INTCA */
+
+	SCIFA0, SCIFA1, SCIFA2, SCIFA3, SCIFA4, SCIFA5, SCIFB,
+	CMT10,
+};
+
+static struct intc_vect vectors[] = {
+	INTC_VECT(CMT10, 0xb00),
+	INTC_VECT(SCIFA0, 0xc00), INTC_VECT(SCIFA1, 0xc20),
+	INTC_VECT(SCIFA2, 0xc40), INTC_VECT(SCIFA3, 0xc60),
+	INTC_VECT(SCIFA4, 0xd20), INTC_VECT(SCIFA5, 0xd40),
+	INTC_VECT(SCIFB, 0xd60),
+};
+
+static struct intc_mask_reg mask_registers[] = {
+	{ 0xe6940094, 0xe69400d4, 8, /* IMR5A / IMCR5A */
+	  { 0, 0, 0, 0, SCIFA3, SCIFA2, SCIFA1, SCIFA0 } },
+	{ 0xe6940098, 0xe69400d8, 8, /* IMR6A / IMCR6A */
+	  { SCIFB, SCIFA5, SCIFA4, 0, 0, 0, 0, 0 } },
+	{ 0xe69400a4, 0xe69400e4, 8, /* IMR9A / IMCR9A */
+	  { 0, 0, 0, CMT10, 0, 0, 0, 0 } },
+};
+
+static struct intc_prio_reg prio_registers[] = {
+	{ 0xe6940014, 0, 16, 4, /* IPRFA */ { 0, 0, 0, CMT10 } },
+	{ 0xe6940018, 0, 16, 4, /* IPRGA */ { SCIFA0, SCIFA1,
+					      SCIFA2, SCIFA3 } },
+	{ 0xe6940020, 0, 16, 4, /* IPRIA */ { 0, SCIFA4, 0, 0 } },
+	{ 0xe6940034, 0, 16, 4, /* IPRNA */ { SCIFB, SCIFA5, 0, 0 } },
+};
+
+static DECLARE_INTC_DESC(intc_desc, "sh7367", vectors, NULL, mask_registers,
+			 prio_registers, NULL);
+
+void __init sh7367_init_irq(void)
+{
+	register_intc_controller(&intc_desc);
+}