sh: Add support for AP-SH4AD-0A board.

This adds preliminary support for the alpha project AP-SH4AD-0A reference
platform (SH7786 based).

Additional platform information available at:

	http://www.apnet.co.jp/product/superh/ap-sh4ad-0a.html

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

3 files changed, 134 insertions, 0 deletions

diff --git a/arch/sh/boards/Kconfig b/arch/sh/boards/Kconfig
index 4875d0bb01f0..d893411022d5 100644
--- a/arch/sh/boards/Kconfig
+++ b/arch/sh/boards/Kconfig
@@ -330,6 +330,14 @@ config SH_APSH4A3A
 	help
 	  Select AP-SH4A-3A if configuring for an ALPHAPROJECT AP-SH4A-3A.
 
+config SH_APSH4AD0A
+	bool "AP-SH4AD-0A"
+	select SH_ALPHA_BOARD
+	select SYS_SUPPORTS_PCI
+	depends on CPU_SUBTYPE_SH7786
+	help
+	  Select AP-SH4AD-0A if configuring for an ALPHAPROJECT AP-SH4AD-0A.
+
 endmenu
 
 source "arch/sh/boards/mach-r2d/Kconfig"
diff --git a/arch/sh/boards/Makefile b/arch/sh/boards/Makefile
index 54c0458811ba..975a0f64ff20 100644
--- a/arch/sh/boards/Makefile
+++ b/arch/sh/boards/Makefile
@@ -14,3 +14,4 @@ obj-$(CONFIG_SH_POLARIS)	+= board-polaris.o
 obj-$(CONFIG_SH_TITAN)		+= board-titan.o
 obj-$(CONFIG_SH_SH7757LCR)	+= board-sh7757lcr.o
 obj-$(CONFIG_SH_APSH4A3A)	+= board-apsh4a3a.o
+obj-$(CONFIG_SH_APSH4AD0A)	+= board-apsh4ad0a.o
diff --git a/arch/sh/boards/board-apsh4ad0a.c b/arch/sh/boards/board-apsh4ad0a.c
new file mode 100644
index 000000000000..e2bd218a054e
--- /dev/null
+++ b/arch/sh/boards/board-apsh4ad0a.c
@@ -0,0 +1,125 @@
+/*
+ * ALPHAPROJECT AP-SH4AD-0A Support.
+ *
+ * Copyright (C) 2010 ALPHAPROJECT Co.,Ltd.
+ * Copyright (C) 2010  Matt Fleming
+ * Copyright (C) 2010  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/init.h>
+#include <linux/platform_device.h>
+#include <linux/io.h>
+#include <linux/smsc911x.h>
+#include <linux/irq.h>
+#include <linux/clk.h>
+#include <asm/machvec.h>
+#include <asm/sizes.h>
+
+static struct resource smsc911x_resources[] = {
+	[0] = {
+		.name		= "smsc911x-memory",
+		.start		= 0xA4000000,
+		.end		= 0xA4000000 + SZ_256 - 1,
+		.flags		= IORESOURCE_MEM,
+	},
+	[1] = {
+		.name		= "smsc911x-irq",
+		.start		= evt2irq(0x200),
+		.end		= evt2irq(0x200),
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+static struct smsc911x_platform_config smsc911x_config = {
+	.irq_polarity	= SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
+	.irq_type	= SMSC911X_IRQ_TYPE_OPEN_DRAIN,
+	.flags		= SMSC911X_USE_16BIT,
+	.phy_interface	= PHY_INTERFACE_MODE_MII,
+};
+
+static struct platform_device smsc911x_device = {
+	.name		= "smsc911x",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(smsc911x_resources),
+	.resource	= smsc911x_resources,
+	.dev = {
+		.platform_data = &smsc911x_config,
+	},
+};
+
+static struct platform_device *apsh4ad0a_devices[] __initdata = {
+	&smsc911x_device,
+};
+
+static int __init apsh4ad0a_devices_setup(void)
+{
+	return platform_add_devices(apsh4ad0a_devices,
+				    ARRAY_SIZE(apsh4ad0a_devices));
+}
+device_initcall(apsh4ad0a_devices_setup);
+
+static int apsh4ad0a_mode_pins(void)
+{
+	int value = 0;
+
+	/* These are the factory default settings of SW1 and SW2.
+	 * If you change these dip switches then you will need to
+	 * adjust the values below as well.
+	 */
+	value |=  MODE_PIN0;  /* Clock Mode 3 */
+	value |=  MODE_PIN1;
+	value &= ~MODE_PIN2;
+	value &= ~MODE_PIN3;
+	value &= ~MODE_PIN4;  /* 16-bit Area0 bus width  */
+	value |=  MODE_PIN5;
+	value |=  MODE_PIN6;
+	value |=  MODE_PIN7;  /* Normal mode */
+	value |=  MODE_PIN8;  /* Little Endian */
+	value |=  MODE_PIN9;  /* Crystal resonator */
+	value &= ~MODE_PIN10; /* 29-bit address mode */
+	value &= ~MODE_PIN11; /* PCI-E Root port */
+	value &= ~MODE_PIN12; /* 4 lane + 1 lane */
+	value |=  MODE_PIN13; /* AUD Enable */
+	value &= ~MODE_PIN14; /* Normal Operation */
+
+	return value;
+}
+
+static int apsh4ad0a_clk_init(void)
+{
+	struct clk *clk;
+	int ret;
+
+	clk = clk_get(NULL, "extal");
+	if (!clk || IS_ERR(clk))
+		return PTR_ERR(clk);
+	ret = clk_set_rate(clk, 33333000);
+	clk_put(clk);
+
+	return ret;
+}
+
+/* Initialize the board */
+static void __init apsh4ad0a_setup(char **cmdline_p)
+{
+	pr_info("Alpha Project AP-SH4AD-0A support:\n");
+}
+
+static void __init apsh4ad0a_init_irq(void)
+{
+	plat_irq_setup_pins(IRQ_MODE_IRQ3210);
+}
+
+/*
+ * The Machine Vector
+ */
+static struct sh_machine_vector mv_apsh4ad0a __initmv = {
+	.mv_name		= "AP-SH4AD-0A",
+	.mv_setup		= apsh4ad0a_setup,
+	.mv_mode_pins		= apsh4ad0a_mode_pins,
+	.mv_clk_init		= apsh4ad0a_clk_init,
+	.mv_init_irq		= apsh4ad0a_init_irq,
+};